:root {

  --brand-primary: #7C3AED;
  --brand-deep: #5B21B6;
  --brand-soft: #F3E8FF;
  --brand-tint: #FAF7FF;
  --brand-gradient: linear-gradient(135deg, #7C3AED 0%, #5B21B6 100%);
  --banner-gradient: linear-gradient(100deg, #FAF7FF 0%, #EDE5FF 100%);

  --navy: #1E293B;
  --navy-deep: #111827;
  --navy-dark: #0F172A;
  --navy-hover: #334155;
  --sidebar-gradient: linear-gradient(180deg, #1E293B 0%, #111827 100%);

  --blue: #2563EB;
  --blue-soft: #EFF6FF;
  --success: #10B981;
  --green-success: #10B981;
  --success-soft: #ECFDF5;
  --warning: #F59E0B;
  --warning-soft: #FFFBEB;
  --danger: #EF4444;
  --danger-soft: #FEF2F2;

  --surface: #FFFFFF;
  --surface-muted: #F8FAFC;
  --surface-input: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F1F5F9;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 2px 10px rgba(30, 41, 59, 0.04);
  --shadow-md: 0 4px 14px rgba(30, 41, 59, 0.07);
  --shadow-lg: 0 10px 25px rgba(124, 58, 237, 0.12);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--surface-muted);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.app-sidebar {
  width: 256px;
  background: var(--sidebar-gradient);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s ease;
  overflow-y: auto;
}

@media (min-width: 769px) {
  .sidebar-is-collapsed .app-sidebar {
    width: 78px;
  }

  .sidebar-is-collapsed .app-main {
    margin-left: 78px;
  }

  .sidebar-is-collapsed .sidebar-header {
    padding: 18px 0;
    justify-content: center;
  }

  .sidebar-is-collapsed .logo-full {
    display: none !important;
  }

  .sidebar-is-collapsed .logo-icon-only {
    display: block !important;
    width: 36px;
    height: 36px;
    margin: 0 auto;
  }

  .sidebar-is-collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
    gap: 0;
    margin: 0 8px;
    border-radius: var(--radius-md);
  }

  .sidebar-is-collapsed .nav-item .icon {
    width: 22px;
    height: 22px;
  }

  .sidebar-is-collapsed .nav-item span {
    display: none !important;
  }

  .sidebar-is-collapsed .nav-sub-items {
    display: none !important;
  }

  .sidebar-is-collapsed .nav-badge {
    position: absolute;
    top: 6px;
    right: 14px;
    padding: 2px 4px;
    font-size: 8px;
  }

  .sidebar-is-collapsed .sidebar-footer {
    padding: 12px 6px;
  }

  .sidebar-is-collapsed .sidebar-plan-card {
    padding: 10px 4px;
    text-align: center;
  }

  .sidebar-is-collapsed .sidebar-plan-card .plan-card-sub,
  .sidebar-is-collapsed .sidebar-plan-card .plan-progress-track,
  .sidebar-is-collapsed .sidebar-plan-card .btn-sidebar-plan {
    display: none !important;
  }

  .sidebar-is-collapsed .sidebar-plan-card .plan-card-top {
    justify-content: center;
    margin-bottom: 0;
  }

  .sidebar-is-collapsed .sidebar-plan-card .plan-card-top span:not(:first-child) {
    display: none !important;
  }

  .sidebar-is-collapsed .sidebar-demo-badge {
    display: none !important;
  }

  .sidebar-is-collapsed .sidebar-demo-status {
    margin-top: 8px;
    padding-top: 8px;
    justify-content: center;
  }

  .sidebar-is-collapsed .sidebar-demo-status .demo-status-text {
    display: none !important;
  }
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-img {
  height: 38px;
  width: auto;
}

.sidebar-backdrop,
.sidebar-close-btn {
  display: none;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: #94A3B8;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
}

.nav-item.active {
  background: var(--brand-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

.nav-sub-items {
  margin-left: 36px;
  margin-top: 2px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-sub-item {
  display: block;
  padding: 6px 12px;
  font-size: 13px;
  color: #94A3B8;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-sub-item:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

.nav-badge {
  margin-left: auto;
  background: var(--brand-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-plan-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 14px;
  color: #FFFFFF;
}

.plan-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.plan-card-sub {
  font-size: 11px;
  color: #94A3B8;
  margin-bottom: 10px;
}

.plan-progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  overflow: hidden;
}

.plan-progress-fill {
  height: 100%;
  background: var(--brand-primary);
  border-radius: var(--radius-full);
}

.btn-sidebar-plan {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  display: block;
}

.btn-sidebar-plan:hover {
  background: rgba(255, 255, 255, 0.18);
}

.sidebar-demo-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.16);
  color: #FDE68A;
  border: 1px solid rgba(245, 158, 11, 0.35);
  text-transform: uppercase;
  margin-left: auto;
  user-select: none;
}

.sidebar-demo-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 500;
  color: #94A3B8;
  user-select: none;
}

.demo-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #F59E0B;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
  flex-shrink: 0;
  animation: demo-pulse-dot 2.5s infinite ease-in-out;
}

@keyframes demo-pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(1.15);
  }
}

.app-main {
  margin-left: 256px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-header {
  height: 72px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.breadcrumb-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.breadcrumb-sub {
  color: var(--text-muted);
  font-weight: 400;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.search-wrapper {
  position: relative;
  width: 320px;
}

.search-input {
  width: 100%;
  height: 42px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 60px 8px 38px;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--brand-primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: #E2E8F0;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  pointer-events: none;
}

.header-icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.header-icon-btn:hover {
  background: var(--border-light);
  color: var(--text-primary);
}

.notif-dot {
  position: absolute;
  top: 8px;
  right: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--surface);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.user-menu:hover {
  background: var(--surface-muted);
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  background-color: var(--brand-primary);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
}

.child-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-soft);
  border: 1px solid #DDD6FE;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
}

.child-select {
  border: none;
  background: transparent;
  font-weight: 600;
  color: var(--brand-primary);
  outline: none;
  cursor: pointer;
}

.page-container {
  padding: 24px 28px 40px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.welcome-banner {
  background: var(--banner-gradient);
  border: 1px solid #E9D5FF;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.banner-content {
  max-width: 65%;
}

.banner-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.banner-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.banner-badge-art {
  display: flex;
  align-items: center;
  gap: 16px;
}

.banner-cap-art {
  width: 90px;
  height: auto;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.kpi-row.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpi-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.kpi-subtext {
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-subtext.positive {
  color: var(--success);
}

.kpi-subtext.warning {
  color: var(--warning);
}

.kpi-subtext.purple {
  color: var(--brand-primary);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.dashboard-left-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dashboard-right-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chart-pair-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-action-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s;
}

.card-action-link:hover {
  opacity: 0.8;
}

.card-select-filter {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-secondary);
  outline: none;
  cursor: pointer;
}

.donut-chart-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
}

.donut-svg-wrapper {
  flex-shrink: 0;
}

.donut-segment {
  transition: stroke-width 0.2s;
  cursor: pointer;
}

.donut-segment:hover {
  stroke-width: 28;
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.donut-legend-item {
  display: grid;
  grid-template-columns: 12px 1fr auto auto;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.legend-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.legend-count {
  font-weight: 600;
  color: var(--text-primary);
}

.legend-pct {
  color: var(--text-muted);
  font-size: 11px;
}

.line-chart-container {
  display: flex;
  gap: 8px;
  height: 100%;
}

.line-chart-y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  padding-bottom: 24px;
  text-align: right;
  width: 32px;
}

.line-chart-plot {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.line-chart-svg {
  width: 100%;
  height: 130px;
  overflow: visible;
}

.line-chart-x-axis {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px 0 16px;
  font-size: 11px;
  color: var(--text-muted);
}

.bar-chart-container {
  display: flex;
  gap: 8px;
  height: 100%;
}

.bar-chart-y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  padding-bottom: 24px;
  width: 32px;
}

.bar-chart-bars-wrap {
  flex: 1;
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  position: relative;
}

.bar-val-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.bar-track {
  width: 28px;
  height: 100px;
  background: var(--surface-muted);
  border-radius: 6px 6px 2px 2px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.bar-fill {
  width: 100%;
  border-radius: 6px 6px 2px 2px;
  transition: height 0.4s ease;
}

.bar-label {
  position: absolute;
  bottom: -22px;
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  max-width: 54px;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

.student-perf-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.student-perf-item {
  display: grid;
  grid-template-columns: 32px 110px 1fr auto;
  align-items: center;
  gap: 12px;
}

.student-badge-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: #FFFFFF;
}

.student-perf-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.perf-bar-track {
  width: 100%;
  height: 8px;
  background: #E2E8F0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.perf-bar-fill {
  height: 100%;
  background: var(--success);
  border-radius: var(--radius-full);
}

.perf-pct-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  width: 40px;
  text-align: right;
}

.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upcoming-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--surface-muted);
  transition: all 0.2s;
}

.upcoming-item:hover {
  background: #F1F5F9;
  border-color: var(--border);
}

.upcoming-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.upcoming-info {
  flex: 1;
  min-width: 0;
}

.upcoming-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upcoming-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.status-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.status-tag.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.status-tag.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.status-tag.success {
  background: var(--success-soft);
  color: var(--success);
}

.status-tag.purple {
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.activity-icon-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.activity-body {
  flex: 1;
}

.activity-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.activity-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.activity-time {
  font-size: 11px;
  color: var(--text-light);
  white-space: nowrap;
}

.quick-actions-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
  flex-wrap: wrap;
}

.quick-actions-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-right: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--brand-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

.btn-outline {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: var(--surface-muted);
  border-color: #CBD5E1;
  color: var(--text-primary);
}

.btn-outline-purple {
  background: var(--brand-tint);
  border-color: #DDD6FE;
  color: var(--brand-primary);
}

.btn-outline-purple:hover {
  background: var(--brand-soft);
}

.btn-outline-green {
  background: #F0FDF4;
  border-color: #BBF7D0;
  color: #15803D;
}

.btn-outline-green:hover {
  background: #DCFCE7;
}

.homework-card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  margin-bottom: 10px;
  transition: all 0.2s;
}

.homework-card-item:hover {
  background: #FFFFFF;
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.homework-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.homework-title-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.homework-desc-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.homework-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eval-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: var(--surface-muted);
  margin-bottom: 12px;
}

.eval-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.eval-score-badge {
  background: #ECFDF5;
  color: #047857;
  font-size: 14px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.eval-comment {
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  padding-left: 10px;
  border-left: 3px solid var(--brand-primary);
}

.message-preview-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.auth-page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 50%, #F1F5F9 100%);
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 940px;
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(30, 41, 59, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.auth-brand-side {
  background: linear-gradient(145deg, #FAF7FF 0%, #EDE5FF 100%);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid #E9D5FF;
}

.auth-brand-logo-img {
  width: 180px;
  height: auto;
  margin-bottom: 24px;
}

.auth-brand-tagline {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.auth-brand-sub {
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-demo-badges {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-badge-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--brand-deep);
}

.demo-account-chip {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #DDD6FE;
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s;
}

.demo-account-chip:hover {
  background: #FFFFFF;
  border-color: var(--brand-primary);
}

.auth-form-side {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.role-tabs {
  display: flex;
  background: var(--surface-muted);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.role-tab {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: transparent;
}

.role-tab.active {
  background: var(--brand-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.3);
}

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.form-input {
  width: 100%;
  height: 46px;
  border: 1px solid #D8DCE8;
  border-radius: var(--radius-md);
  padding: 10px 14px 10px 42px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
  outline: none;
  transition: all 0.2s;
}

.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.input-trailing-action {
  position: absolute;
  right: 4px;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
}

.input-trailing-action:hover {
  color: var(--brand-primary);
}

.input-trailing-action:focus-visible,
.btn-auth-submit:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.form-row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  font-size: 13px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  cursor: pointer;
}

.forgot-link {
  color: var(--brand-primary);
  font-weight: 500;
}

.forgot-link-btn {
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
}

.forgot-link-btn:hover {
  text-decoration: underline;
}

.btn-auth-submit {
  width: 100%;
  height: 46px;
  background: var(--brand-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-auth-submit:hover {
  background: var(--brand-deep);
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.auth-bottom-text {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.auth-bottom-text a {
  color: var(--brand-primary);
  font-weight: 600;
}

.flash-messages-wrap {
  margin-bottom: 16px;
}

.flash-msg {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: 8px;
}

.flash-msg.error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #FECACA;
}

.flash-msg.success {
  background: var(--success-soft);
  color: #047857;
  border: 1px solid #A7F3D0;
}

@media (max-width: 1200px) {
  .kpi-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .auth-card {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .auth-brand-side {
    display: none;
  }
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .chart-pair-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
  }
  .page-container {
    padding: 16px;
  }
  .kpi-row {
    grid-template-columns: 1fr;
  }
  .welcome-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .banner-content {
    max-width: 100%;
  }
  .banner-badge-art {
    display: none;
  }
  .search-wrapper {
    display: none;
  }
}

.data-table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  padding: 12px 14px;
  border-bottom: 2px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
}

.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover {
  background: var(--surface-muted);
}

.data-table-title {
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

a.data-table-title {
  display: inline-block;
  padding: 2px 0;
  touch-action: manipulation;
  transition: color 0.15s ease;
}

a.data-table-title:hover {
  color: var(--brand-primary);
  text-decoration: underline;
}

.data-table-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.student-directory-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.student-directory-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-primary);
}

.student-directory-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-directory-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.student-directory-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.student-directory-body {
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.student-directory-perf-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 4px;
}

.student-directory-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.form-card-container {
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.calendar-grid-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 13px;
}

.calendar-header-cell {
  padding: 10px;
  width: 14.28%;
  background: var(--surface-muted);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.calendar-day-cell {
  height: 90px;
  vertical-align: top;
  border: 1px solid var(--border-light);
  padding: 8px;
  text-align: left;
  background: #FFFFFF;
}

.calendar-day-cell.is-today {
  background: #FAF7FF;
}

.calendar-day-number {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.calendar-day-number.is-today {
  color: var(--brand-primary);
}

.calendar-event {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  margin-bottom: 2px;
  display: block;
}

.calendar-event.event-purple {
  background: #F3E8FF;
  color: #6D28D9;
}

.calendar-event.event-red {
  background: #FEE2E2;
  color: #DC2626;
}

.calendar-event.event-orange {
  background: #FEF3C7;
  color: #D97706;
}

.calendar-event.event-green {
  background: #ECFDF5;
  color: #059669;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  backdrop-filter: blur(2px);
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
  width: 100%;
  max-width: 580px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-xs);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 22px;
}

.modal-footer {
  padding: 14px 22px;
  background: var(--surface-muted);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.profile-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.profile-avatar-lg {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
}

.profile-stats-card {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.profile-stats-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.profile-stats-label {
  font-size: 12px;
  color: var(--text-muted);
}

.hidden-file-input,
.visually-hidden-file {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
  position: absolute !important;
  width: 0 !important;
  height: 0 !important;
}

.upload-zone-wrapper {
  margin-bottom: 16px;
  width: 100%;
}

.upload-zone-wrapper.compact {
  margin-bottom: 12px;
}

.upload-dropzone {
  border: 2px dashed #CBD5E1;
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.upload-dropzone:hover,
.upload-dropzone:focus-visible {
  border-color: var(--brand-primary);
  background: #FAF7FF;
}

.upload-dropzone.is-dragover {
  border-color: var(--brand-primary);
  background: #F3E8FF;
  transform: scale(1.008);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

.upload-dropzone-compact {
  padding: 16px 14px;
}

.upload-dropzone-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.upload-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  transition: transform 0.2s ease;
}

.upload-dropzone:hover .upload-icon-circle {
  transform: translateY(-2px);
}

.upload-prompt-title {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.upload-cta {
  font-weight: 600;
}

.upload-browse-link {
  color: var(--brand-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.upload-prompt-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

.upload-preview-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.upload-preview-media {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-preview-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  object-fit: cover;
  border: 1px solid var(--border);
}

.upload-preview-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  background: var(--brand-soft);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-preview-details {
  flex: 1;
  min-width: 0;
}

.upload-preview-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-preview-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  flex-wrap: wrap;
}

.upload-badge-ext {
  display: inline-block;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
  background: #EFF6FF;
  color: #2563EB;
}

.upload-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 500;
  color: var(--success);
}

.upload-remove-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: #FEE2E2;
  color: #EF4444;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.upload-remove-btn:hover {
  background: #FCA5A5;
  color: #B91C1C;
  transform: scale(1.05);
}

.upload-error-box {
  margin-top: 10px;
  padding: 8px 12px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-xs);
  color: #B91C1C;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-align: left;
}

.avatar-upload-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.avatar-upload-visual {
  position: relative;
  flex-shrink: 0;
}

.avatar-preview-circle {
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.18);
  border: 2px solid #FFFFFF;
}

.avatar-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-camera-btn {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 26px;
  height: 26px;
  background: var(--brand-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.avatar-camera-btn:hover {
  background: var(--brand-deep);
  transform: scale(1.1);
}

.avatar-upload-info {
  flex: 1;
}

.nav-item-header {
  cursor: default;
}

.nav-item-arrow {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.exam-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.mock-net-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 14px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--brand-primary);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.mock-formula-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-muted);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.publisher-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  background: #F1F5F9;
  color: var(--navy-dark);
  border: 1px solid #E2E8F0;
}

.net-calc-preview-card {
  background: linear-gradient(135deg, #FAF5FF 0%, #F5F3FF 100%);
  border: 1px solid #DDD6FE;
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.net-calc-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.1;
  margin: 6px 0;
}

.net-calc-formula-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.net-score-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mock-puan-badge {
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid #DDD6FE;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mock-subject-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.subject-net-pill {
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.subject-net-pill strong {
  color: var(--text-primary);
}

.subject-calc-box {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 20px;
}

.subject-calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.subject-calc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.subject-preset-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-preset {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s ease;
}

.btn-preset:hover, .btn-preset.active {
  background: var(--brand-soft);
  color: var(--brand-primary);
  border-color: #DDD6FE;
}

.subject-net-table {
  width: 100%;
  border-collapse: collapse;
}

.subject-net-table th {
  font-size: 11.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border-light);
  text-align: left;
}

.subject-net-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.subject-net-table input.form-input-sm {
  padding: 6px 10px;
  font-size: 13px;
  height: 34px;
}

.subject-net-row-net {
  font-weight: 700;
  font-size: 13px;
  color: var(--brand-primary);
  background: var(--brand-soft);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  min-width: 54px;
  text-align: center;
}

.btn-delete-row {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.btn-delete-row:hover {
  opacity: 1;
  background: var(--danger-soft);
}

.storage-purge-card {
  background: #FFFBEB;
  border: 1px solid #FCD34D;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.storage-purge-info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
  min-width: 260px;
}

.storage-purge-icon {
  color: #D97706;
  flex-shrink: 0;
  margin-top: 2px;
}

.storage-purge-text h4 {
  font-size: 14px;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 2px;
}

.storage-purge-text p {
  font-size: 12.5px;
  color: #B45309;
  line-height: 1.4;
  margin: 0;
}

.storage-notice-box {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #1E40AF;
  line-height: 1.4;
}

.purged-photo-box {
  background: #F8FAFC;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.checkbox-box-setting {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.checkbox-label-start {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.icon-brand {
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
}

.mistakes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.mistake-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mistake-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mistake-image-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  background: #F8FAFC;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-light);
}

.mistake-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mistake-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
}

.mistake-content {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.mistake-header-badges {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.mistake-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.mistake-reason-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.reason-knowledge {
  background: rgba(37, 99, 235, 0.1);
  color: #2563EB;
}

.reason-careless {
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
}

.reason-time {
  background: rgba(100, 116, 139, 0.12);
  color: #475569;
}

.reason-newgen {
  background: rgba(239, 68, 68, 0.1);
  color: #DC2626;
}

.mistake-notes-box {
  background: var(--surface-muted);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  margin: 10px 0;
  line-height: 1.45;
  border-left: 3px solid var(--brand-primary);
}

.mistake-teacher-notes-box {
  background: rgba(16, 185, 129, 0.08);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 12px;
  color: #065F46;
  margin: 8px 0;
  line-height: 1.45;
  border-left: 3px solid var(--green-success);
}

.mistake-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.streak-banner {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 24px 30px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
}

.streak-info-side {
  display: flex;
  align-items: center;
  gap: 20px;
}

.streak-flame-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.streak-count-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.streak-subtitle {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 4px;
}

.routine-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.routine-counter-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.counter-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 16px 0;
}

.counter-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--surface-muted);
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.counter-btn:hover {
  background: #E2E8F0;
  border-color: #CBD5E1;
}

.counter-input {
  width: 80px;
  height: 44px;
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--brand-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #FFFFFF;
}

.curriculum-accordion {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.curriculum-subject-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.curriculum-subject-header {
  padding: 16px 20px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.curriculum-subject-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topic-list-table {
  width: 100%;
  border-collapse: collapse;
}

.topic-list-table tr {
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.15s ease;
}

.topic-list-table tr:hover {
  background-color: var(--surface-muted);
}

.topic-list-table tr:last-child {
  border-bottom: none;
}

.topic-list-table td {
  padding: 14px 20px;
  vertical-align: middle;
}

.topic-order-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 12px;
}

.topic-name-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.topic-title-text {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.topic-desc-subtext {
  font-size: 12px;
  color: var(--text-muted);
}

.topic-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

.status-not_started {
  background: #F1F5F9;
  color: #64748B;
}

.status-in_progress {
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
}

.status-mastered {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}

.curriculum-progress-track {
  height: 12px;
  background: #E2E8F0;
  border-radius: 6px;
  overflow: hidden;
  margin: 12px 0;
}

.curriculum-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-primary), var(--green-success));
  border-radius: 6px;
  transition: width 0.4s ease;
}

.curriculum-progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.topic-order-col {
  width: 56px;
  text-align: center;
}

.topic-status-col {
  width: 220px;
  text-align: center;
}

.topic-score-col {
  width: 140px;
  text-align: right;
}

.topic-scope-col {
  width: 160px;
  text-align: right;
}

.topic-actions-col {
  width: 180px;
  text-align: right;
}

.student-action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.student-action-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.18s ease;
  box-shadow: var(--shadow-sm);
}

.student-action-card:hover {
  background: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.12);
  transform: translateY(-2px);
}

.student-action-avatar {
  flex-shrink: 0;
}

.student-action-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
  gap: 2px;
}

.student-action-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.student-action-sub {
  font-size: 11.5px;
  color: var(--text-muted);
}

.student-action-icon {
  color: var(--brand-primary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s ease;
}

.student-action-card:hover .student-action-icon {
  transform: translateX(3px);
}

.exam-stat-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.exam-stat-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .exam-stat-grid-3, .exam-stat-grid-2 {
    grid-template-columns: 1fr;
  }
}

.filter-bar-subrow {
  border-top: 1px dashed var(--border-light);
  padding-top: 10px;
}

.filter-bar-label {
  align-self: center;
  margin-right: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.subject-net-col-name {
  min-width: 170px;
}

.subject-net-col-num {
  width: 90px;
}

.subject-net-col-empty {
  width: 70px;
}

.subject-net-col-action {
  width: 50px;
}

.textarea-lg {
  height: 120px;
  resize: vertical;
}

.textarea-md {
  height: 90px;
  resize: vertical;
}

.coaching-actions-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.actions-row-plain {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.working-hours-alert {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(37, 99, 235, 0.08) 100%);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.working-hours-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-deep);
}

.working-hours-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.bulletin-paper-container {
  max-width: 820px;
  margin: 0 auto;
}

.bulletin-paper {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.bulletin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.bulletin-logo-img {
  width: 140px;
  height: auto;
}

.bulletin-meta-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.bulletin-meta-sub {
  font-size: 13px;
  color: var(--text-secondary);
}

.bulletin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.bulletin-kpi-box {
  background: var(--surface-muted);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.bulletin-kpi-val {
  font-size: 26px;
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 4px;
}

.bulletin-kpi-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.bulletin-section {
  margin-bottom: 24px;
}

.bulletin-section-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--brand-deep);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bulletin-text-block {
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  border-left: 3px solid var(--brand-primary);
}

.bulletin-signatures {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.signature-block {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

.signature-name {
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
}

@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
  .app-sidebar,
  .app-header,
  .btn-print-hide,
  .nav-tabs,
  .quick-actions-bar {
    display: none !important;
  }
  .app-main {
    margin: 0 !important;
    padding: 0 !important;
  }
  .bulletin-paper {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
}

@media (max-width: 900px) {
  .exam-stat-grid,
  .routine-cards-grid,
  .bulletin-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .exam-stat-grid,
  .routine-cards-grid,
  .bulletin-kpi-grid {
    grid-template-columns: 1fr;
  }
  .streak-banner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .streak-info-side {
    flex-direction: column;
  }
}

.billing-page-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 1140px;
  margin: 0 auto;
}

.billing-current-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-card);
}

.billing-current-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.billing-current-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.icon-gold {
  color: #EAB308;
}

.billing-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.billing-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.billing-current-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.billing-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.status-pill-active {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill-canceled {
  background: var(--warning-soft);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.billing-method-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.billing-method-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--surface-muted);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.billing-method-icon {
  color: var(--brand-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.billing-method-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.billing-method-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.billing-test-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #FFFBEB;
  border: 1px solid #FCD34D;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-top: 18px;
  font-size: 13px;
  color: #92400E;
  line-height: 1.5;
}

.test-banner-icon {
  color: #D97706;
  flex-shrink: 0;
  margin-top: 2px;
}

.billing-plans-section {
  display: flex;
  flex-direction: column;
}

.section-header-centered {
  text-align: center;
  margin-bottom: 24px;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.plan-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.plan-card.popular-card {
  border: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-lg);
}

.plan-card.current-active-card {
  border: 2px solid var(--success);
}

.plan-badge-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.plan-card-header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.plan-category-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-deep);
  background: var(--brand-soft);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.plan-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}

.plan-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand-primary);
}

.plan-period {
  font-size: 14px;
  color: var(--text-muted);
}

.plan-limit-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--surface-muted);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.plan-card-body {
  flex-grow: 1;
}

.plan-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.plan-feature-item .feature-icon {
  color: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

.plan-card-footer {
  margin-top: 24px;
  padding-top: 16px;
}

.billing-history-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.order-id-badge {
  background: var(--surface-muted);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-family: monospace;
  font-size: 12px;
  color: var(--navy);
  border: 1px solid var(--border-light);
}

.receipt-ok {
  color: var(--success);
  font-size: 12.5px;
  font-weight: 600;
}

.receipt-err {
  color: var(--danger);
  font-size: 12px;
}

.billing-security-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.security-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkout-page-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.checkout-back-link .btn-link-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 24px;
  align-items: flex-start;
}

.checkout-summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.summary-card-header {
  margin-bottom: 20px;
}

.summary-plan-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 6px 0 4px;
}

.summary-plan-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.summary-price-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.price-row {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.price-divider {
  height: 1px;
  background: var(--border);
  margin: 10px 0;
}

.price-total-row {
  margin-bottom: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.price-total-row .total-val {
  color: var(--brand-primary);
  font-size: 20px;
}

.summary-meta-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.meta-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-guarantee-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--brand-soft);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--brand-deep);
  line-height: 1.4;
}

.guarantee-icon {
  color: var(--brand-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

.paytr-iframe-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.iframe-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
}

.paytr-iframe {
  width: 100%;
  min-height: 580px;
  border: none;
}

.simulation-checkout-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.sim-header {
  margin-bottom: 20px;
}

.sim-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: #EFF6FF;
  color: var(--blue);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}

.sim-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.sim-subtitle {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.sim-card-preview {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin: 20px 0;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-chip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chip-graphic {
  width: 36px;
  height: 26px;
  background: linear-gradient(135deg, #FDE047 0%, #CA8A04 100%);
  border-radius: 4px;
  display: inline-block;
}

.card-brand-logo {
  font-weight: 800;
  font-style: italic;
  letter-spacing: 1px;
  font-size: 15px;
  color: #FFFFFF;
}

.card-number-display {
  font-family: monospace;
  font-size: 18px;
  letter-spacing: 2px;
  color: #F8FAFC;
}

.card-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  text-transform: uppercase;
}

.card-info-row .info-label {
  display: block;
  color: #94A3B8;
  font-size: 9px;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.card-info-row .info-val {
  font-weight: 600;
  color: #FFFFFF;
}

.sim-details-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.sim-detail-row {
  display: flex;
  justify-content: space-between;
}

.sim-disclaimer {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 14px;
  text-align: center;
}

.result-page-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 16px;
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  max-width: 540px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.result-icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-circle {
  background: var(--success-soft);
  color: var(--success);
}

.fail-circle {
  background: var(--danger-soft);
  color: var(--danger);
}

.result-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.result-desc {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.result-details-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}

.result-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.error-notice-box {
  background: var(--danger-soft);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  margin-bottom: 20px;
  text-align: left;
}

@media (max-width: 900px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }
  .checkout-grid {
    grid-template-columns: 1fr;
  }
  .billing-method-row {
    grid-template-columns: 1fr;
  }
}

.sidebar-brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon-only {
  display: none;
}

.sidebar-crown-icon {
  color: #FCD34D;
  display: inline-flex;
  align-items: center;
}

.sidebar-plan-card-student {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
}

.sidebar-student-sub {
  color: #6EE7B7;
}

.plan-progress-fill-success {
  background: var(--success);
}

.workspace-dot-active {
  background-color: var(--success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.28);
}

.header-home-icon {
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
}

.child-select-label {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
}

.header-logout-link {
  margin-left: 8px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  min-width: 32px;
  min-height: 32px;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.header-logout-link:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.auth-body {
  background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 50%, #F1F5F9 100%);
}

.demo-chip-action {
  color: var(--brand-primary);
  font-weight: 600;
}

.register-benefit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #DDD6FE;
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.register-benefit-icon {
  color: var(--success);
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.content-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.page-subtitle {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.header-actions-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
}

.badge-purple {
  background: var(--brand-soft);
  color: var(--brand-deep);
  border: 1px solid #DDD6FE;
}

.badge-success {
  background: var(--success-soft);
  color: #047857;
  border: 1px solid #A7F3D0;
}

.badge-warning {
  background: var(--warning-soft);
  color: #B45309;
  border: 1px solid #FDE68A;
}

.badge-danger {
  background: var(--danger-soft);
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.badge-blue,
.badge-info {
  background: var(--blue-soft);
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.badge-outline,
.badge-neutral {
  background: var(--surface-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.kpi-icon-purple {
  background: rgba(124, 58, 237, 0.12);
  color: var(--brand-primary);
}

.kpi-icon-soft-purple {
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.kpi-icon-amber {
  background: var(--warning-soft);
  color: var(--warning);
}

.kpi-icon-green {
  background: var(--success-soft);
  color: var(--success);
}

.kpi-icon-blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.kpi-out-of {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
}

.icon-amber {
  color: var(--warning);
  display: inline-flex;
  align-items: center;
}

.icon-blue {
  color: var(--blue);
  display: inline-flex;
  align-items: center;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 14px;
}

.stat-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-purple {
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.stat-icon-green {
  background: var(--success-soft);
  color: var(--success);
}

.stat-icon-blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.stat-icon-orange {
  background: var(--warning-soft);
  color: var(--warning);
}

.stat-content {
  min-width: 0;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-icon-action {
  min-width: 34px;
  min-height: 34px;
  padding: 6px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.subject-pill-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.btn-lg {
  padding: 12px 20px;
  font-size: 14.5px;
}

.btn-block {
  width: 100%;
}

.btn-danger-outline,
.btn-outline-danger {
  background: var(--surface);
  border-color: #FECACA;
  color: var(--danger);
}

.btn-danger-outline:hover,
.btn-outline-danger:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: #B91C1C;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-container-card {
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.form-input-plain {
  padding-left: 14px;
}

.form-input-sm {
  height: 38px;
  padding: 6px 10px;
  font-size: 13px;
}

.form-input-readonly {
  background: var(--surface-muted);
  color: var(--text-muted);
}

.form-textarea {
  height: 110px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.5;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: -8px;
  margin-bottom: 18px;
  line-height: 1.4;
}

.assignment-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--brand-tint);
  border: 1px solid #E9D5FF;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  max-width: 100%;
  flex-wrap: wrap;
}

.assignment-source svg {
  color: var(--brand-primary);
  flex-shrink: 0;
}

.form-section-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px;
}

.form-section-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-actions-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.inline-form-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-form-grow {
  flex: 1;
  min-width: 180px;
}

.inline-form {
  display: inline-block;
}

.work-days-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.work-day-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
}

.logo-preview-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.tenant-logo-thumb {
  width: 96px;
  height: 48px;
  object-fit: contain;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 4px;
}

.filter-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-pills-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.filter-pill.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
}

.filter-select-group .form-input {
  padding-left: 14px;
  min-width: 210px;
}

.split-view-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 20px;
  align-items: flex-start;
}

.messages-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.message-author-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.message-author-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.message-author-role {
  font-size: 12px;
  color: var(--text-muted);
}

.message-badges-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.message-date-badge {
  font-size: 11px;
  color: var(--text-muted);
}

.message-body-text {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.notification-unread {
  background: var(--brand-tint);
  border-color: #DDD6FE;
}

.notif-icon-box {
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.avatar-sm {
  width: 30px;
  height: 30px;
  min-width: 30px;
  font-size: 11px;
}

.avatar-md {
  width: 44px;
  height: 44px;
  min-width: 44px;
  font-size: 14px;
}

.avatar-deep-brand {
  background-color: var(--brand-deep);
}

.table-responsive {
  overflow-x: auto;
  width: 100%;
}

.table-user-cell {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.feedback-cell {
  max-width: 240px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.empty-table-cell {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
}

.modal-box-sm {
  max-width: 440px;
}

.modal-footer-between {
  justify-content: space-between;
}

.profile-hero-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.profile-hero-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.profile-hero-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.profile-parents-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-state-box {
  background: var(--surface-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.empty-state-compact {
  padding: 22px 16px;
}

.empty-state-icon {
  color: var(--brand-primary);
  margin-bottom: 4px;
}

.empty-state-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-state-desc,
.empty-state-text {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 460px;
}

.curriculum-add-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr auto;
  gap: 12px;
  align-items: flex-end;
}

.curriculum-add-submit {
  display: flex;
  align-items: flex-end;
}

.calendar-day-muted {
  background: var(--surface-muted);
  opacity: 0.65;
}

.calendar-session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  flex-wrap: wrap;
}

.calendar-session-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.schedule-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.schedule-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.report-tabs-bar {
  margin-bottom: 20px;
}

.report-panel-box {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px;
}

.report-progress-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.report-subject-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-subject-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.perf-fill-brand {
  background: var(--brand-primary);
}

.perf-fill-warning {
  background: var(--warning);
}

.perf-fill-danger {
  background: var(--danger);
}

.eval-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.eval-title-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.eval-meta-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.eval-score-max {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

.goal-summary-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.goal-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.goal-bar-track {
  height: 10px;
}

.goal-history-block {
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  margin-top: 14px;
}

.goal-history-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.weekly-bars-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  align-items: flex-end;
  height: 130px;
  padding-top: 12px;
}

.weekly-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 4px;
}

.weekly-bar-val {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
}

.weekly-bar-track {
  width: 24px;
  height: 76px;
  background: var(--surface-muted);
  border-radius: 6px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.weekly-bar-fill {
  width: 100%;
  background: var(--brand-primary);
  border-radius: 6px 6px 0 0;
}

.weekly-bar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.lesson-subject-card {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lesson-subject-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.lesson-subject-note {
  font-size: 12.5px;
  color: var(--text-muted);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.achievement-badge-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.achievement-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.badge-icon-amber {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-icon-purple {
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.badge-icon-red {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-icon-blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.homework-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.text-muted-cell {
  color: var(--text-muted);
  font-size: 12.5px;
}

.text-notes-cell {
  color: var(--text-secondary);
  font-size: 12.5px;
  max-width: 240px;
}

.net-unit-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 4px;
}

.chart-container {
  width: 100%;
  min-height: 200px;
}

.card-header-clean {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-subtitle,
.section-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.achievement-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.achievement-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}

.meta-subtext {
  font-size: 12px;
  color: var(--text-muted);
}

.meta-inline-date {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.font-weight-bold {
  font-weight: 700;
}

.text-green-bold,
.text-success {
  color: var(--success);
  font-weight: 700;
}

.text-blue-bold {
  color: var(--blue);
  font-weight: 700;
}

.text-purple-bold {
  color: var(--brand-primary);
  font-weight: 700;
}

.text-warning-bold {
  color: var(--warning);
  font-weight: 700;
}

.text-danger-bold,
.text-red-bold {
  color: var(--danger);
  font-weight: 700;
}

.text-muted {
  color: var(--text-muted);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-right {
  text-align: right;
}

.text-nowrap {
  white-space: nowrap;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 18px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 18px; }
.ml-2 { margin-left: 8px; }

@media (max-width: 900px) {
  .split-view-grid,
  .curriculum-add-grid,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body.mobile-sidebar-open {
    overflow: hidden;
  }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: 110;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    touch-action: none;
    -webkit-tap-highlight-color: transparent;
  }
  .sidebar-backdrop.active {
    display: block;
  }
  .app-sidebar {
    width: min(280px, 84vw);
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    z-index: 120;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    box-shadow: 6px 0 28px rgba(15, 23, 42, 0.35);
  }
  .app-sidebar .sidebar-footer {
    padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  }
  .sidebar-header {
    padding: 14px 12px 14px 16px;
    gap: 8px;
  }
  .sidebar-brand-link {
    min-width: 0;
  }
  .sidebar-brand-img.logo-full {
    height: 29px;
    max-width: 116px;
    width: auto;
  }
  .sidebar-close-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #FFFFFF;
    cursor: pointer;
    touch-action: manipulation;
    transition: background 0.15s ease;
  }
  .sidebar-close-btn:hover,
  .sidebar-close-btn:active {
    background: rgba(255, 255, 255, 0.22);
  }
  .grid-2,
  .grid-3,
  .form-grid-2,
  .badges-grid {
    grid-template-columns: 1fr;
  }
  .homework-card-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .homework-right {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .profile-hero {
    flex-direction: column;
    align-items: flex-start;
  }
  .profile-hero-actions {
    margin-left: 0;
    width: 100%;
  }
  .btn,
  .btn-sm,
  .btn-icon-action,
  .header-icon-btn,
  .sidebar-toggle-btn,
  .header-logout-link {
    min-height: 44px;
    touch-action: manipulation;
  }
  .btn-sm {
    padding: 8px 14px;
    font-size: 13px;
  }
  .btn-icon-action,
  .header-icon-btn,
  .sidebar-toggle-btn,
  .header-logout-link {
    min-width: 44px;
  }
  .header-logout-link {
    margin-left: 2px;
  }
  .app-header {
    padding: 0 14px;
  }
  .header-left {
    gap: 10px;
    min-width: 0;
    flex: 1;
  }
  .header-right {
    gap: 8px;
    flex-shrink: 0;
  }
  .breadcrumb-title {
    min-width: 0;
    overflow: hidden;
  }
  .breadcrumb-sub {
    display: none;
  }
  .child-selector-wrap {
    padding: 4px 8px;
  }
}

@media (max-width: 560px) {
  .user-info {
    display: none;
  }
  .user-menu {
    padding: 2px;
    gap: 4px;
  }
  .breadcrumb-title {
    font-size: 14.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .child-select-label {
    display: none;
  }
  .child-select {
    max-width: 112px;
  }
}

.gate-card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(30, 41, 59, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

.gate-card-accent {
  height: 5px;
  background: var(--brand-gradient);
}

.gate-card-body {
  padding: 40px 36px 34px;
}

.gate-brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.gate-brand-logo {
  height: 36px;
  width: auto;
}

.gate-shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid #DDD6FE;
  white-space: nowrap;
}

.gate-heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}

.gate-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
}

.gate-input-code {
  padding-right: 48px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.gate-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.gate-footer-note {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.gate-footer-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--brand-primary);
}

@media (max-width: 768px) {
  .gate-card-body {
    padding: 28px 22px 24px;
  }
}

.search-page-form {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-page-input-wrap {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.modal-info-list {
  margin-top: 12px;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

a.kpi-card-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.kpi-card-link:hover,
a.kpi-card-link:focus-visible {
  border-color: var(--brand-primary);
  outline: none;
}

a.student-perf-link {
  text-decoration: none;
  color: inherit;
  padding: 6px 8px;
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
}

a.student-perf-link:hover,
a.student-perf-link:focus-visible {
  background: var(--surface-muted);
  outline: none;
}

a.homework-left-link {
  text-decoration: none;
  color: inherit;
  flex: 1;
  min-width: 0;
}

a.homework-left-link:hover .homework-title-text {
  color: var(--brand-primary);
}

a.eval-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

a.eval-card-link:hover,
a.eval-card-link:focus-visible {
  background: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
  outline: none;
}

a.notification-card-link {
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 44px;
}

a.notification-card-link:hover,
a.notification-card-link:focus-visible {
  background: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  outline: none;
}

.notification-unread {
  background: #FAF5FF;
  border-color: #DDD6FE;
}

.net-preview-sep {
  margin: 0 8px;
  color: #CBD5E1;
  font-weight: 400;
}

a.mistake-image-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.mistake-image-link:hover .mistake-image {
  transform: scale(1.02);
  transition: transform 0.2s ease;
}

a.mistake-title-link {
  color: var(--text-primary);
  text-decoration: none;
}

a.mistake-title-link:hover,
a.mistake-title-link:focus-visible {
  color: var(--brand-primary);
  text-decoration: underline;
  outline: none;
}

.mistake-footer {
  gap: 8px;
  flex-wrap: wrap;
}

.mistake-footer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mistake-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: flex-start;
}

.mistake-detail-media {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mistake-full-image-link {
  display: block;
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
}

.mistake-full-image {
  width: 100%;
  max-height: 540px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.mistake-media-actions {
  display: flex;
  justify-content: flex-end;
}

.mistake-detail-placeholder {
  min-height: 220px;
  background: #F8FAFC;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

.mistake-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .mistake-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mistake-open-btn {
    min-height: 44px;
  }
}