:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-muted: #eef3fb;
  --surface-strong: #f8fbff;
  --surface-2: var(--surface-muted);
  --surface-3: var(--surface-strong);
  --text: #142033;
  --muted: #5b6b83;
  --text-muted: var(--muted);
  --text-soft: #6c7d94;
  --line: #d7e0ee;
  --border: var(--line);
  --border-strong: #bfcee0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #dbeafe;
  --ok: #0f766e;
  --warn: #c2410c;
  --danger: #dc2626;
  --success: var(--ok);
  --warning: var(--warn);
  --info: #2563eb;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --input-bg: var(--surface);
  --focus-ring: rgba(37, 99, 235, 0.22);
  --accent-rgb: 37, 99, 235;
  --accent-strong-rgb: 138, 180, 255;
  --bg-primary: var(--bg);
  --bg-secondary: var(--surface-muted);
  --surface-primary: var(--surface);
  --surface-secondary: var(--surface-muted);
  --surface-tertiary: var(--surface-strong);
  --border-color: var(--line);
  --border-strong: var(--line);
  --text-primary: var(--text);
  --text-secondary: var(--muted);
  --text-tertiary: var(--muted);
  --color-bg: var(--bg);
  --color-bg-soft: var(--surface-muted);
  --color-surface: var(--surface);
  --color-surface-2: var(--surface-muted);
  --color-surface-3: var(--surface-strong);
  --color-border: var(--line);
  --color-border-strong: var(--line);
  --color-text: var(--text);
  --color-muted: var(--muted);
  --color-faint: var(--muted);
  --color-primary: var(--accent);
  --color-primary-2: var(--accent);
  --color-primary-dark: var(--accent);
  --color-success: var(--ok);
  --color-error: var(--danger);
  --color-warning: var(--warn);
  --surface-code: var(--code-bg);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.07);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
}

html[data-theme="light"] {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-muted: #eef3fb;
  --surface-strong: #f8fbff;
  --text: #142033;
  --muted: #5b6b83;
  --line: #d7e0ee;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #0f766e;
  --warn: #c2410c;
  --danger: #dc2626;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --accent-rgb: 37, 99, 235;
  --accent-strong-rgb: 138, 180, 255;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.07);
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #172033;
  --surface-muted: #202b3d;
  --surface-strong: #111827;
  --text: #f2f6fc;
  --muted: #bac7d8;
  --line: #344154;
  --accent: #8ab4ff;
  --accent-soft: #203454;
  --ok: #5eead4;
  --warn: #fbbf24;
  --danger: #f87171;
  --code-bg: #080f1f;
  --code-text: #eaf2ff;
  --accent-rgb: 138, 180, 255;
  --accent-strong-rgb: 156, 194, 255;
  --shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.34);
}

html,
body {
  background: linear-gradient(180deg, #f8fbff 0%, #f2f6fc 55%, #eef3fb 100%) !important;
  color: var(--text) !important;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif !important;
  line-height: 1.55;
}

html[data-theme="dark"],
html[data-theme="dark"] body {
  background: linear-gradient(180deg, #0f172a 0%, #111827 58%, #0b1220 100%) !important;
}

[data-matrix-code-rain],
.theme-cursor,
.theme-cursor-trail,
.theme-cursor-particle {
  display: none !important;
}

.page-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
}

.brand-copy span,
.muted,
.auth-card .muted {
  color: var(--muted) !important;
}

.brand-copy strong,
.brand-copy span,
.nav-link,
.ghost-button,
.button,
.learn-header-button,
.learn-card-button,
.teacher-logout,
.teacher-week-item,
.task-helper-button,
.task-complete-button {
  letter-spacing: 0 !important;
}

.page-topbar,
.dashboard-main,
.learning-shell,
.teacher-main,
.teacher-sidebar,
.admin-panel,
.auth-page,
.auth-shell,
.learning-dashboard {
  color: var(--text) !important;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link,
.ghost-button,
.button,
.learn-card-button,
.task-helper-button,
.task-complete-button,
.learn-header-button,
.teacher-logout {
  border-radius: var(--radius-sm) !important;
}

.ghost-button,
.learn-card-button,
.task-helper-button,
.learn-header-button:not(.is-primary):not(.is-ready),
.teacher-logout {
  border: 1px solid var(--line) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

.ghost-button:disabled,
.ghost-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.62;
  color: var(--muted) !important;
  background: var(--surface-muted) !important;
}

.button,
.task-complete-button,
.learn-header-button.is-primary,
.learn-header-button.is-ready {
  border: 1px solid #1e4fc4 !important;
  background: linear-gradient(180deg, #2f6df1 0%, #255fdd 100%) !important;
  color: #fff !important;
}

.auth-shell {
  min-height: 100vh;
  padding: 2.5rem 1.25rem !important;
  display: grid;
  align-items: center;
}

.auth-grid {
  max-width: 1100px;
  margin: 0 auto;
  gap: 1.5rem !important;
  align-items: stretch;
}

.auth-hero,
.auth-card,
.learn-panel,
.learn-task-card,
.learn-day-module,
.teacher-command,
.teacher-day,
.teacher-task,
.quiz-card,
.notes-shell,
.helper-panel,
.admin-card {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  box-shadow: var(--shadow-soft) !important;
  border-radius: var(--radius-lg) !important;
}

.auth-card h2,
.learn-header h1,
.teacher-command h1,
.admin-head h1 {
  color: var(--text) !important;
  letter-spacing: 0 !important;
}

.auth-hero,
.auth-card {
  padding: 2rem !important;
}

.auth-hero h1 {
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 0.98;
  margin: 1rem 0;
  max-width: 14ch;
}

.auth-hero p {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 56ch;
}

.auth-card {
  max-width: 490px;
  width: 100%;
  align-self: center;
}

.auth-card h2 {
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-weight: 700;
  color: #314257;
}

.field input,
.auth-card input,
.notes-shell textarea,
.editor-area,
[data-notes] {
  background: #ffffff !important;
  color: var(--text) !important;
  border: 1px solid #cfd8e6 !important;
  border-radius: 14px !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.field input {
  min-height: 56px;
  padding: 0.95rem 1rem !important;
  font-size: 1rem;
}

.field input::placeholder,
.notes-shell textarea::placeholder,
.editor-area::placeholder {
  color: #8b99ad !important;
}

.field input:focus,
.notes-shell textarea:focus,
.editor-area:focus {
  outline: none;
  border-color: #8db2ff !important;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.role-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.75rem;
  border-radius: 999px;
  border: 1px solid #cfe0f7;
  background: #f6f9ff;
  color: #2a4b74;
  font-size: 0.9rem;
  font-weight: 600;
}

.auth-error {
  min-height: 1.4rem;
  color: var(--danger) !important;
  font-weight: 600;
}

.feature-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.feature-list li {
  color: var(--muted);
}

.mini-code-window {
  border-radius: 20px !important;
  overflow: hidden;
  border: 1px solid #1d2940;
}

.learning-dashboard,
.learning-shell,
.dashboard-main {
  background: transparent !important;
}

.dashboard-main {
  padding: 1rem 1rem 2rem;
}

.learning-dashboard {
  gap: 1.25rem !important;
}

.learning-dashboard::before,
.learning-dashboard::after {
  display: none !important;
}

.learn-dashboard-body,
.learn-dashboard-main,
.learn-content,
.learn-day-stack,
.learn-task-grid,
.learn-kpi-grid,
.admin-status {
  gap: 1rem !important;
}

.learn-brand,
.learn-sidebar-overview,
.learn-week-nav-group,
.learn-dashboard-header,
.learn-hero-panel,
.learn-kpi-card,
.learn-inspector,
.learn-editor-panel,
.learn-preview-panel,
.learn-notes-panel,
.learn-day-module,
.learn-task-card,
.learn-header-progress > div,
.admin-topbar-panel {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-soft) !important;
}

.learn-sidebar {
  top: 1rem !important;
}

.learn-brand,
.learn-sidebar-overview,
.learn-week-nav-group {
  padding: 1rem !important;
}

.learn-sidebar {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
}

.learn-dashboard-body {
  min-width: 0;
}

.learn-dashboard-header {
  padding: 1rem 1.1rem !important;
}

.learn-header-progress > div {
  padding: 0.85rem 1rem !important;
  min-width: 100px;
}

.learn-brand-mark,
.teacher-brand-mark {
  border-radius: 12px !important;
}

.learn-theme-switcher {
  display: none !important;
}

.learn-dashboard-header,
.learn-day-head,
.teacher-day-head,
.teacher-task-head,
.teacher-command,
.admin-head,
.learn-editor-head,
.learn-preview-head {
  gap: 1rem !important;
}

.learn-route strong,
.learn-day-head h2,
.learn-task-card h3,
.learn-inspector h2,
.teacher-command h1,
.teacher-week-header h2,
.admin-head h1 {
  color: var(--text) !important;
}

.learn-route span,
.learn-overline,
.teacher-overline,
.admin-topbar-label,
.learn-task-topline span,
.learn-task-topline strong {
  color: #5f7492 !important;
}

.learn-header-actions,
.learn-task-actions,
.learn-inspector-actions,
.learn-editor-actions {
  gap: 0.75rem !important;
}

.learn-header-button,
.learn-card-button,
.task-helper-button,
.task-complete-button,
.teacher-logout {
  min-height: 42px;
  padding: 0.7rem 1rem !important;
  font-weight: 700 !important;
}

.learn-kpi-card,
.learn-task-card,
.learn-day-module,
.learn-inspector,
.learn-editor-panel,
.learn-notes-panel,
.admin-card,
.teacher-day,
.teacher-task,
.teacher-command {
  padding: 1rem !important;
}

.learn-kpi-card strong,
.admin-card strong,
.teacher-signal strong {
  font-size: 1.45rem !important;
}

.learn-status-chip,
.task-status,
.teacher-task-level,
.teacher-day-count {
  background: #f3f7fd !important;
  color: #365579 !important;
  border: 1px solid #cfe0f7 !important;
  border-radius: 999px !important;
  padding: 0.22rem 0.6rem !important;
}

.learn-task-topline,
.learn-task-meta,
.learn-control-list,
.teacher-task-metrics {
  color: var(--muted) !important;
}

.learn-task-card p,
.learn-inspector p,
.teacher-task-description,
.teacher-command p,
.teacher-week-header p,
.admin-head p,
.admin-card p {
  color: var(--muted) !important;
}

.learn-progress-track,
.progress-track {
  height: 10px !important;
  border-radius: 999px !important;
  background: #e8eef8 !important;
  overflow: hidden;
}

.learn-progress-track span,
.progress-fill,
.learn-dashboard-progress-line span {
  background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%) !important;
  border-radius: inherit !important;
}

.learn-dashboard-progress-line {
  height: 6px;
  border-radius: 999px;
  background: #e6eef8;
  overflow: hidden;
  margin-bottom: 1rem;
}

.learn-dashboard-progress-line span {
  display: block;
  height: 100%;
}

.learn-day-button,
.learn-week-button,
.teacher-week-item {
  border-radius: 14px !important;
}

.learn-day-button small,
.learn-week-button em,
.teacher-week-copy span,
.teacher-sidebar-footer span,
.admin-card span,
.learn-sidebar-overview small {
  color: var(--muted) !important;
}

.learn-inspector,
.learn-helper-inspector {
  position: sticky;
  top: 1rem;
}

.learn-inspector {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
  padding: 0 !important;
}

.learn-inspector > *,
.learn-inspector-block,
.learn-inspector-state,
.learn-control-list span,
.learn-day-status,
.learn-task-meta span,
.learn-task-topline,
.learn-editor-field,
.learn-preview-panel {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  box-shadow: var(--shadow-soft) !important;
  border-radius: 14px !important;
}

.learn-inspector-block,
.learn-inspector-state,
.learn-control-list span,
.learn-day-status {
  padding: 0.85rem 1rem !important;
}

.learn-control-list {
  gap: 0.7rem !important;
}

.learn-control-list span {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.learn-inspector h2,
.learn-inspector h3,
.learn-inspector strong,
.learn-inspector .learn-inspector-label,
.learn-inspector .learn-overline,
.learn-inspector .learn-control-list span,
.learn-inspector .learn-inspector-state span,
.learn-inspector .learn-inspector-block p,
.learn-day-status,
.learn-day-status strong,
.learn-day-status span,
.learn-day-status em {
  color: var(--text) !important;
}

.learn-inspector .learn-inspector-label,
.learn-day-status em,
.learn-day-status span,
.learn-control-list strong {
  color: #5f7492 !important;
}

.learn-day-status {
  min-width: 140px;
  text-align: right;
}

.learn-task-topline,
.learn-task-meta {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.learn-task-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.7rem;
  border-radius: 999px !important;
  border: 1px solid #d6deeb !important;
  background: #f8fbff !important;
  color: #50657f !important;
}

.learn-task-actions {
  flex-wrap: wrap;
}

.learn-editor-field {
  padding: 0.85rem !important;
}

.learn-editor-field span {
  display: block;
  margin-bottom: 0.5rem;
  color: #38506d;
  font-weight: 700;
}

.helper-panel,
.learn-quiz-panel,
.notes-shell {
  margin: 0 0 1rem 0 !important;
  padding: 1rem !important;
}

.helper-tabs {
  gap: 0.5rem !important;
  flex-wrap: wrap;
}

.tab-button,
.helper-size-button,
.quiz-option {
  border-radius: 10px !important;
}

.tab-button,
.helper-size-button {
  background: #f5f8fd !important;
  border: 1px solid #d4deed !important;
  color: #3a4f6b !important;
}

.tab-button.is-active,
.helper-size-button.is-active {
  background: #e8f0ff !important;
  border-color: #8eb2f4 !important;
  color: #19479f !important;
}

.helper-context-grid,
.helper-doc-list,
.helper-code-stack {
  gap: 0.85rem !important;
}

.helper-doc-item,
.helper-hint-box,
.helper-code-card,
.helper-context-grid div {
  background: #f8fbff !important;
  border: 1px solid #dce5f2 !important;
  border-radius: 14px !important;
}

.quiz-card,
.learn-quiz-panel {
  background: var(--surface) !important;
}

.quiz-option {
  min-height: 52px !important;
  border: 1px solid #d5dfec !important;
  background: #f8fbff !important;
  color: var(--text) !important;
}

.quiz-option:hover,
.quiz-option[aria-pressed="true"] {
  border-color: #8db2ff !important;
  background: #eef4ff !important;
}

.teacher-sidebar {
  background: #f8fbff !important;
  border-right: 1px solid var(--line) !important;
  box-shadow: none !important;
}

.teacher-brand,
.teacher-sidebar-footer div,
.teacher-command,
.teacher-signal,
.teacher-day,
.teacher-task {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  box-shadow: var(--shadow-soft) !important;
}

.teacher-sidebar-footer div,
.teacher-signal {
  border-radius: 14px !important;
}

.teacher-week-item {
  background: #ffffff !important;
}

.teacher-week-item.is-active {
  background: #f4f8ff !important;
  border-color: #b8c9e8 !important;
}

.admin-panel {
  max-width: 1240px;
  margin: 1.5rem auto;
  padding: 0 1rem 1.5rem;
}

.admin-head {
  margin-bottom: 1rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.admin-card {
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem !important;
}

.admin-card-wide ul li {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

textarea[data-notes],
.editor-area {
  min-height: 180px;
  padding: 1rem !important;
  resize: vertical;
}

.live-preview {
  border: 1px solid #d8e1ee !important;
  border-radius: 16px !important;
  background: #fff !important;
}

.learn-week-button.is-active,
.learn-day-button.is-active,
.learn-task-card.is-active {
  border-color: #b7c9eb !important;
  background: #f4f8ff !important;
}

.learn-task-card.is-complete,
.task-card.is-complete {
  border-color: #9dd9cf !important;
  background: #f0fdf9 !important;
}

.task-status,
.pill,
.teacher-task-id {
  background: var(--surface-muted) !important;
  color: #26405f !important;
  border: 1px solid #cfe0f7 !important;
}

pre,
code,
.code-block,
.helper-code {
  background: #0f172a !important;
  color: #e2e8f0 !important;
  border-radius: 10px !important;
}

.teacher-app {
  color: var(--text) !important;
}

body.teacher-mode .page-topbar,
body.teacher-mode .dashboard-main,
body.teacher-mode .learning-shell {
  background: transparent !important;
}

.teacher-sidebar {
  background: #f8fbff !important;
  border-right: 1px solid var(--line) !important;
}

.teacher-week-item.is-active {
  border-color: #b8c9e8 !important;
  box-shadow: none !important;
}

.admin-panel {
  max-width: 1180px;
  margin: 1.5rem auto;
  padding: 0 1rem 1.5rem;
}

.admin-head p {
  color: var(--muted);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.admin-card {
  border-radius: 12px;
  padding: 0.95rem 1rem;
}

.admin-card span {
  color: var(--muted);
  font-size: 0.88rem;
  display: block;
}

.admin-card strong {
  color: var(--text);
  font-size: 1.45rem;
}

.admin-status {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.admin-card-wide h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.admin-card-wide ul {
  margin: 0;
  padding-left: 1rem;
}

@media (max-width: 900px) {
  .topbar-actions {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .auth-grid {
    grid-template-columns: 1fr !important;
  }
  .auth-hero h1 {
    max-width: none;
  }
  .learn-layout,
  .learning-shell {
    grid-template-columns: 1fr !important;
  }
  .learn-inspector,
  .learn-helper-inspector,
  .learn-sidebar {
    position: static;
  }
  .learn-header-progress,
  .learn-header-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .learn-day-head,
  .learn-dashboard-header {
    align-items: flex-start !important;
  }
}

/* Structural redesign */

.scroll-progress {
  display: none !important;
}

.app-topbar-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.app-topbar-nav {
  flex: 1 1 auto;
  justify-content: center;
  flex-wrap: wrap;
}

.app-topbar-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.app-topbar-user {
  display: grid;
  gap: 0.15rem;
  text-align: right;
}

.app-topbar-user-label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.academy-page .dashboard-main,
.academy-page .learning-shell {
  padding: 0 !important;
}

.academy-page .learning-shell {
  display: block !important;
  width: min(100%, 1800px) !important;
  max-width: none !important;
}

.academy-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
  display: grid;
  gap: 1.1rem;
}

.academy-page-header,
.workspace-sidebar-panel,
.workspace-day-panel,
.workspace-detail-card,
.academy-editor-shell,
.workspace-notes-shell,
.overview-stat-card,
.overview-week-card,
.dashboard-focus-card,
.dashboard-actions-card,
.quiz-overview-card,
.workspace-quiz-card,
.quiz-filter-bar,
.quiz-hub-card,
.quiz-hub-session-shell,
.quiz-hub-empty {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  box-shadow: var(--shadow-soft) !important;
}

.academy-page-header {
  padding: 1.35rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.academy-page-header h1,
.dashboard-section-head h2,
.workspace-day-header h2,
.workspace-detail-card h2,
.quiz-hub-session-head h2 {
  margin: 0;
  color: var(--text);
}

.academy-page-header p,
.dashboard-section-head p,
.workspace-day-header p,
.workspace-detail-card p,
.quiz-hub-session-head p,
.overview-week-card p,
.dashboard-focus-card p,
.dashboard-actions-card p,
.quiz-overview-card p,
.workspace-quiz-card p,
.quiz-hub-card p,
.quiz-hub-empty p {
  color: var(--muted) !important;
}

.academy-header-actions,
.overview-card-actions,
.workspace-task-actions,
.workspace-detail-actions,
.workspace-detail-nav,
.academy-editor-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.academy-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: #eef4ff;
  color: #274a7a;
  border: 1px solid #d5e4fb;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.overview-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.overview-stat-card {
  padding: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

.overview-stat-card span {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.86rem;
}

.overview-stat-card strong {
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1;
  color: var(--text);
}

.overview-stat-card p {
  margin: 0;
  font-size: 0.92rem;
}

.overview-stat-card.is-accent {
  background: linear-gradient(180deg, #f7faff 0%, #eef5ff 100%) !important;
}

.overview-stat-card.is-warning {
  background: linear-gradient(180deg, #fffaf5 0%, #fff3e7 100%) !important;
}

.overview-stat-card.is-success {
  background: linear-gradient(180deg, #f4fcfb 0%, #ebfbf7 100%) !important;
}

.dashboard-highlight-grid,
.quiz-hub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
  gap: 1rem;
}

.dashboard-focus-card,
.dashboard-actions-card,
.quiz-hub-session-shell {
  padding: 1.25rem;
  display: grid;
  gap: 0.95rem;
}

.dashboard-focus-card h2,
.dashboard-actions-card h2 {
  margin: 0;
}

.dashboard-focus-meta,
.overview-week-meta,
.workspace-task-meta,
.workspace-detail-meta,
.quiz-hub-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.dashboard-focus-meta span,
.overview-week-meta span,
.workspace-task-meta span,
.workspace-detail-meta span,
.quiz-hub-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.75rem;
  border-radius: 999px;
  background: #f7faff;
  border: 1px solid #d6e1f0;
  color: #3f5672;
  font-size: 0.9rem;
}

.dashboard-quick-grid {
  display: grid;
  gap: 0.85rem;
}

.quick-link-card {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f8fbff;
  color: var(--text);
  text-decoration: none;
}

.quick-link-card strong {
  font-size: 1rem;
}

.quick-link-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.dashboard-section {
  display: grid;
  gap: 1rem;
}

.dashboard-section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.overview-week-grid,
.dashboard-quiz-grid,
.quiz-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.overview-week-card,
.quiz-overview-card,
.quiz-hub-card {
  padding: 1.1rem;
  display: grid;
  gap: 0.8rem;
}

.overview-week-card h3,
.quiz-overview-card h3,
.quiz-hub-card h3 {
  margin: 0;
}

.overview-week-head,
.workspace-day-topline,
.workspace-task-topline,
.workspace-detail-head,
.workspace-day-header,
.quiz-hub-session-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.85rem;
}

.overview-progress {
  height: 10px;
  border-radius: 999px;
  background: #e7eef9;
  overflow: hidden;
}

.overview-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%);
}

.overview-week-card.is-current,
.workspace-day-card.is-active,
.workspace-task-card.is-active,
.quiz-hub-card.is-selected {
  border-color: #a8c1ee !important;
  background: #f4f8ff !important;
}

.workspace-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1.25fr) minmax(320px, 0.95fr);
  gap: 1rem;
  align-items: start;
}

.workspace-sidebar-panel,
.workspace-day-panel,
.workspace-detail-column {
  display: grid;
  gap: 1rem;
}

.workspace-sidebar-panel,
.workspace-day-panel,
.workspace-detail-card,
.academy-editor-shell,
.workspace-notes-shell,
.workspace-quiz-card {
  padding: 1.1rem;
}

.workspace-sidebar-head h2 {
  margin: 0.35rem 0 0;
}

.workspace-day-list,
.workspace-task-list {
  display: grid;
  gap: 0.85rem;
}

.workspace-day-card {
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: #fbfdff;
  border-radius: 16px;
  color: var(--text);
}

.workspace-day-card p,
.workspace-day-card small {
  margin: 0;
  color: var(--muted);
}

.workspace-day-card small {
  font-size: 0.88rem;
}

.workspace-day-progress {
  min-width: 128px;
  display: grid;
  gap: 0.15rem;
  padding: 0.8rem 0.95rem;
  border-radius: 14px;
  background: #f7faff;
  border: 1px solid #d7e2f1;
  text-align: right;
}

.workspace-day-progress strong {
  font-size: 1.3rem;
  line-height: 1;
}

.workspace-task-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: #fbfdff;
  border-radius: 16px;
}

.workspace-task-card.is-complete {
  border-color: #b8e3d8;
  background: #f2fcf8;
}

.workspace-task-card h3 {
  margin: 0 0 0.35rem;
}

.workspace-task-copy p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.workspace-task-status,
.workspace-detail-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: #fff5eb;
  color: #b45309;
  border: 1px solid #f3d0ab;
  font-size: 0.88rem;
  font-weight: 700;
}

.workspace-detail-badge.is-complete {
  background: #eefcf7;
  color: #0f766e;
  border-color: #b8e3d8;
}

.workspace-task-actions {
  justify-content: flex-end;
  align-content: flex-start;
}

.workspace-detail-card {
  gap: 1rem;
}

.workspace-detail-section {
  display: grid;
  gap: 0.6rem;
  padding-top: 0.95rem;
  border-top: 1px solid #e5ecf7;
}

.workspace-detail-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.workspace-detail-section h3,
.workspace-code-panel h3,
.academy-editor-head h2,
.academy-preview-head h3,
.workspace-quiz-card h3,
.quiz-hub-empty h2 {
  margin: 0;
}

.workspace-detail-section p,
.workspace-detail-section ul {
  margin: 0;
}

.workspace-code-panel {
  display: grid;
  gap: 0.6rem;
}

.workspace-code-panel pre {
  margin: 0;
  padding: 1rem;
  overflow: auto;
}

.academy-editor-shell {
  display: grid;
  gap: 1rem;
}

.academy-editor-shell:not(.is-open) .academy-editor-grid,
.academy-editor-shell:not(.is-open) .academy-preview-panel {
  display: none;
}

.academy-editor-head,
.academy-preview-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.academy-editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.academy-editor-field {
  display: grid;
  gap: 0.45rem;
}

.academy-editor-field span {
  color: #35506e;
  font-weight: 700;
}

.academy-preview-panel {
  padding: 1rem;
  border: 1px solid #d8e1ee;
  border-radius: 16px;
  background: #f8fbff;
}

.workspace-notes-shell textarea {
  min-height: 140px !important;
}

.helper-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.helper-drawer-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(15, 23, 42, 0.42);
}

.helper-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(560px, 100%);
  height: 100%;
  padding: 1rem;
  background: #f5f8fd;
  box-shadow: -24px 0 60px rgba(15, 23, 42, 0.18);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  overflow: auto;
}

.helper-drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.helper-drawer-head h2 {
  margin: 0.3rem 0 0;
}

.quiz-hub-browser {
  display: grid;
  gap: 1rem;
}

.quiz-filter-bar {
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.quiz-filter-bar label {
  display: grid;
  gap: 0.4rem;
}

.quiz-filter-bar span {
  color: #35506e;
  font-weight: 700;
}

.quiz-filter-bar select {
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid #cfdae8;
  background: #fff;
  color: var(--text);
  padding: 0 0.9rem;
}

.quiz-hub-card.status-gesperrt {
  border-color: #f1dcc2 !important;
  background: #fffaf5 !important;
}

.quiz-hub-card.status-verfuegbar {
  border-color: #bfd9f8 !important;
  background: #f5f9ff !important;
}

.quiz-hub-card.status-abgeschlossen,
.quiz-hub-card.status-wiederholen {
  border-color: #b8e3d8 !important;
  background: #f2fcf8 !important;
}

.quiz-hub-session-root {
  display: grid;
  gap: 1rem;
}

[data-quiz-hub-mode="true"] [data-back-to-quiz-overview] {
  display: none !important;
}

.quiz-hub-session-root .quiz-card {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
}

.quiz-hub-session-root .quiz-card-head,
.quiz-hub-session-root .quiz-session-meta,
.quiz-hub-session-root .quiz-question,
.quiz-hub-session-root .quiz-footer,
.quiz-hub-session-root .quiz-lock-state {
  background: #fff !important;
  border: 1px solid var(--line) !important;
  border-radius: 16px !important;
  padding: 1rem !important;
  box-shadow: var(--shadow-soft) !important;
}

.quiz-hub-empty {
  padding: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

@media (max-width: 1180px) {
  .workspace-grid,
  .quiz-hub-layout,
  .dashboard-highlight-grid {
    grid-template-columns: 1fr;
  }

  .workspace-detail-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .app-topbar-shell,
  .academy-page-header,
  .dashboard-section-head,
  .workspace-day-header,
  .workspace-detail-head,
  .quiz-hub-session-head,
  .academy-editor-head,
  .academy-preview-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-topbar-meta,
  .app-topbar-user {
    width: 100%;
    text-align: left;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .workspace-task-card {
    grid-template-columns: 1fr;
  }

  .academy-editor-grid,
  .quiz-filter-bar {
    grid-template-columns: 1fr;
  }

  .helper-drawer-panel {
    width: 100%;
  }
}

/* Final polish: logo, theme modes and wider task detail layout */

.brand {
  color: var(--text) !important;
  text-decoration: none !important;
}

.brand-logo {
  gap: 0.55rem !important;
  padding: 0.28rem 0.48rem 0.28rem 0.28rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  letter-spacing: 0 !important;
}

.brand-logo-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, #1f4fd1 0%, #2563eb 100%);
  color: #eff6ff;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.brand-logo-word {
  display: inline-flex;
  align-items: baseline;
  gap: 0.12rem;
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0 !important;
}

.brand-logo-word span {
  font-weight: 760;
}

.brand-logo-word strong {
  color: var(--accent);
  font-weight: 900;
}

.theme-toggle-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  padding: 0 0.78rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: none;
}

.theme-toggle-button::before {
  content: "";
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.theme-toggle-button:hover,
.theme-toggle-button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.theme-toggle-button:focus-visible,
.nav-link:focus-visible,
.ghost-button:focus-visible,
.button:focus-visible,
.workspace-day-card:focus-visible,
.workspace-task-actions button:focus-visible {
  outline: 3px solid var(--accent-soft) !important;
  outline-offset: 2px;
}

.auth-shell {
  position: relative;
}

.auth-theme-toggle {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
}

.academy-workspace {
  max-width: min(1760px, 100%);
}

.workspace-grid {
  grid-template-columns: clamp(230px, 19vw, 310px) minmax(0, 1fr) !important;
  align-items: start;
}

.workspace-sidebar-panel {
  grid-column: 1;
  grid-row: 1 / span 2;
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 108px);
  overflow: auto;
}

.workspace-main-panel,
.workspace-detail-column {
  grid-column: 2;
  min-width: 0;
}

.workspace-detail-column {
  grid-row: 1;
}

.workspace-main-panel {
  grid-row: 2;
}

.workspace-detail-column {
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: start;
}

.workspace-detail-card {
  grid-column: 1 / -1;
  width: 100%;
  display: grid;
  gap: 1rem;
}

.workspace-detail-section {
  max-width: min(96ch, 100%);
  border-top-color: var(--line);
}

.workspace-code-panel {
  width: 100%;
  min-width: 0;
}

.workspace-code-panel pre,
.workspace-code-panel code {
  max-width: 100%;
  overflow: auto;
}

.academy-editor-shell {
  grid-column: 1;
}

.workspace-notes-shell {
  grid-column: 2;
}

.overview-week-card.is-current,
.workspace-day-card.is-active,
.workspace-task-card.is-active,
.quiz-hub-card.is-selected {
  border-color: color-mix(in srgb, var(--accent) 44%, var(--line)) !important;
  background: var(--accent-soft) !important;
}

.workspace-day-card,
.workspace-task-card,
.quick-link-card,
.workspace-day-progress,
.learn-task-meta span,
.learn-day-status,
.tab-button,
.helper-size-button,
.helper-doc-item,
.helper-hint-box,
.helper-code-card,
.helper-context-grid div,
.quiz-option,
.dashboard-focus-meta span,
.overview-week-meta span,
.workspace-task-meta span,
.workspace-detail-meta span,
.quiz-hub-meta span {
  background: var(--surface-strong) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

.workspace-day-card p,
.workspace-day-card small,
.workspace-task-copy p,
.helper-doc-item p,
.helper-hint-box p,
.workspace-detail-section p,
.workspace-detail-section li,
.workspace-notes-shell p,
.academy-preview-head span,
.quick-link-card span {
  color: var(--muted) !important;
}

.workspace-task-card.is-complete,
.learn-task-card.is-complete,
.task-card.is-complete {
  border-color: color-mix(in srgb, var(--ok) 44%, var(--line)) !important;
  background: color-mix(in srgb, var(--ok) 13%, var(--surface)) !important;
}

.workspace-task-status,
.workspace-detail-badge,
.task-status,
.pill,
.teacher-task-id,
.academy-eyebrow,
.role-chip {
  background: var(--surface-muted) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

.workspace-detail-badge:not(.is-complete) {
  color: var(--warn) !important;
}

.workspace-detail-badge.is-complete {
  color: var(--ok) !important;
}

.tab-button.is-active,
.helper-size-button.is-active,
.quiz-option:hover,
.quiz-option[aria-pressed="true"],
.quiz-option.is-selected {
  background: var(--accent-soft) !important;
  border-color: color-mix(in srgb, var(--accent) 52%, var(--line)) !important;
  color: var(--text) !important;
}

.quiz-option.is-correct {
  background: color-mix(in srgb, var(--ok) 16%, var(--surface)) !important;
  border-color: color-mix(in srgb, var(--ok) 54%, var(--line)) !important;
  color: var(--text) !important;
}

.quiz-option.is-wrong {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface)) !important;
  border-color: color-mix(in srgb, var(--danger) 52%, var(--line)) !important;
  color: var(--text) !important;
}

pre,
code,
.code-block,
.helper-code,
.workspace-code-panel pre {
  background: var(--code-bg) !important;
  color: var(--code-text) !important;
}

input,
textarea,
select {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted) !important;
  opacity: 0.88;
}

.helper-drawer-panel {
  background: var(--bg) !important;
  color: var(--text) !important;
}

.helper-panel,
.quiz-hub-session-root .quiz-card-head,
.quiz-hub-session-root .quiz-session-meta,
.quiz-hub-session-root .quiz-question,
.quiz-hub-session-root .quiz-footer,
.quiz-hub-session-root .quiz-lock-state,
.academy-preview-panel,
.quiz-filter-bar select {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

.quiz-hub-card.status-gesperrt {
  border-color: color-mix(in srgb, var(--warn) 34%, var(--line)) !important;
  background: color-mix(in srgb, var(--warn) 11%, var(--surface)) !important;
}

.quiz-hub-card.status-verfuegbar {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--line)) !important;
  background: color-mix(in srgb, var(--accent) 10%, var(--surface)) !important;
}

.quiz-hub-card.status-abgeschlossen,
.quiz-hub-card.status-wiederholen {
  border-color: color-mix(in srgb, var(--ok) 40%, var(--line)) !important;
  background: color-mix(in srgb, var(--ok) 12%, var(--surface)) !important;
}

html[data-theme="dark"] .overview-stat-card.is-accent {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface)) !important;
}

html[data-theme="dark"] .overview-stat-card.is-warning {
  background: color-mix(in srgb, var(--warn) 12%, var(--surface)) !important;
}

html[data-theme="dark"] .overview-stat-card.is-success {
  background: color-mix(in srgb, var(--ok) 12%, var(--surface)) !important;
}

html[data-theme="dark"] .page-topbar {
  background: rgba(15, 23, 42, 0.88);
}

html[data-theme="dark"] .brand-logo {
  background: #111827;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
}

html[data-theme="dark"] .brand-logo-mark {
  background: linear-gradient(145deg, #315ca8 0%, #4779df 100%);
  color: #eaf2ff;
}

html[data-theme="dark"] .brand-logo-word strong {
  color: #9cc2ff;
}

html[data-theme="dark"] .button,
html[data-theme="dark"] .task-complete-button,
html[data-theme="dark"] .learn-header-button.is-primary,
html[data-theme="dark"] .learn-header-button.is-ready {
  border-color: #5b8def !important;
  background: linear-gradient(180deg, #4779df 0%, #315ca8 100%) !important;
  color: #ffffff !important;
}

html[data-theme="dark"] .ghost-button,
html[data-theme="dark"] .learn-card-button,
html[data-theme="dark"] .task-helper-button,
html[data-theme="dark"] .learn-header-button:not(.is-primary):not(.is-ready),
html[data-theme="dark"] .teacher-logout {
  background: var(--surface-muted) !important;
  color: var(--text) !important;
}

body.teacher-mode {
  background: var(--bg) !important;
  color: var(--text) !important;
}

body.teacher-mode .dashboard-main,
body.teacher-mode .learning-shell,
.teacher-main {
  background: var(--bg) !important;
}

.teacher-sidebar,
.teacher-brand,
.teacher-sidebar-footer div,
.teacher-command,
.teacher-signal,
.teacher-day,
.teacher-task,
.teacher-week-item {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

.teacher-week-item,
.teacher-task {
  background: var(--surface-strong) !important;
}

.teacher-week-item.is-active {
  background: var(--accent-soft) !important;
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line)) !important;
  box-shadow: none !important;
}

.teacher-week-no,
.teacher-brand-mark {
  background: linear-gradient(145deg, #1f4fd1 0%, #2563eb 100%) !important;
  color: #eff6ff !important;
}

.teacher-brand strong,
.teacher-command h1,
.teacher-week-header h2,
.teacher-day h2,
.teacher-task h3,
.teacher-week-copy strong,
.teacher-signal strong,
.teacher-sidebar-footer strong {
  color: var(--text) !important;
}

.teacher-brand span,
.teacher-command p,
.teacher-week-header p,
.teacher-task p,
.teacher-signal span,
.teacher-sidebar-footer span,
.teacher-task-meta span,
.teacher-overline {
  color: var(--muted) !important;
}

.teacher-theme-toggle {
  width: 100%;
  justify-content: center;
}

html[data-theme="dark"] .helper-drawer-backdrop {
  background: rgba(2, 6, 23, 0.66);
}

html[data-theme="dark"] .live-preview {
  background: #ffffff !important;
}

@media (max-width: 1180px) {
  .workspace-grid {
    grid-template-columns: 1fr !important;
  }

  .workspace-sidebar-panel,
  .workspace-main-panel,
  .workspace-detail-column,
  .academy-editor-shell,
  .workspace-notes-shell {
    grid-column: 1;
    grid-row: auto;
  }

  .workspace-sidebar-panel {
    position: static;
    max-height: none;
  }

  .workspace-detail-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-topbar-shell {
    align-items: stretch;
  }

  .app-topbar-nav,
  .app-topbar-meta {
    justify-content: flex-start;
  }

  .brand {
    align-self: flex-start;
  }

  .brand-copy {
    display: none;
  }

  .theme-toggle-button,
  .app-topbar-meta .ghost-button {
    flex: 1 1 auto;
    justify-content: center;
  }

  .auth-theme-toggle {
    position: static;
    justify-self: end;
    margin-bottom: -0.25rem;
    flex: 0 0 auto;
  }

  .workspace-task-actions,
  .workspace-detail-actions,
  .workspace-detail-nav {
    width: 100%;
  }

  .workspace-task-actions > *,
  .workspace-detail-actions > *,
  .workspace-detail-nav > * {
    flex: 1 1 180px;
    justify-content: center;
  }
}

/* Final QA additions: progress, timer, admin tabs and scroll-light quiz */

.dashboard-focus-layout,
.progress-visual-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.15rem;
  align-items: center;
}

.progress-ring {
  --size: 132px;
  width: var(--size);
  height: var(--size);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background:
    conic-gradient(var(--accent) calc(var(--progress) * 1%), var(--surface-muted) 0),
    var(--surface-muted);
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow-soft);
}

.progress-ring-inner {
  width: calc(var(--size) - 28px);
  height: calc(var(--size) - 28px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.12rem;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  text-align: center;
}

.progress-ring-inner strong {
  font-size: 1.85rem;
  line-height: 1;
}

.progress-ring-inner span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.focus-timer-card,
.progress-visual-card,
.progress-week-card,
.admin-table-card,
.teacher-workflow-card {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  box-shadow: var(--shadow-soft) !important;
  color: var(--text) !important;
}

.focus-timer-card {
  padding: 1.25rem;
  display: grid;
  gap: 0.95rem;
}

.focus-timer-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.focus-timer-head h2 {
  margin: 0.35rem 0 0;
}

.focus-timer-head strong {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.9;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.focus-timer-track,
.quiz-step-progress {
  height: 10px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
}

.focus-timer-track span,
.quiz-step-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
}

.focus-timer-options,
.focus-timer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.focus-timer-options .is-active,
.admin-tab.is-active {
  background: var(--accent-soft) !important;
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line)) !important;
}

.focus-timer-status {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.progress-overview-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.4fr) repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.progress-visual-card {
  padding: 1.25rem;
}

.progress-visual-card h2 {
  margin: 0 0 0.45rem;
}

.progress-visual-card p {
  margin: 0;
  color: var(--muted);
}

.progress-week-grid,
.progress-day-list,
.admin-module-grid {
  display: grid;
  gap: 1rem;
}

.progress-week-card {
  padding: 1.2rem;
  display: grid;
  gap: 1rem;
}

.progress-week-head,
.admin-head,
.teacher-workflow-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.progress-week-head h2,
.admin-head h1,
.teacher-workflow-head h3,
.teacher-workflow-card h3 {
  margin: 0.35rem 0 0;
}

.progress-week-head p,
.teacher-workflow-head p,
.teacher-workflow-card p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.progress-week-score {
  min-width: 150px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  text-align: right;
}

.progress-week-score strong,
.progress-week-score span {
  display: block;
}

.progress-week-score strong {
  font-size: 1.6rem;
  color: var(--text);
}

.progress-week-score span {
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-day-row {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(220px, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.progress-day-row strong,
.progress-day-row span {
  display: block;
}

.progress-day-row span,
.progress-day-meter small {
  color: var(--muted);
}

.admin-head {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.admin-head-actions,
.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.admin-tabs {
  margin: 1rem 0;
}

.admin-tab {
  min-height: 42px;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.admin-tab-panel[hidden] {
  display: none !important;
}

.admin-table-card {
  padding: 1.15rem;
}

.admin-table-scroll {
  overflow: auto;
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.admin-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: var(--text);
}

.admin-table th,
.admin-table td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  background: var(--surface-muted);
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
}

.quiz-question-step .quiz-question {
  min-height: 260px;
}

.quiz-step-progress {
  margin: 0.15rem 0 0.25rem;
}

.quiz-footer button:disabled,
.quiz-day-card button:disabled {
  cursor: not-allowed;
  opacity: 0.64;
}

.quiz-result-summary {
  display: grid;
  gap: 0.25rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  text-align: center;
}

.quiz-result-summary strong {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text);
}

.quiz-result-summary span {
  color: var(--muted);
  font-weight: 800;
}

.quiz-review-list {
  display: grid;
  gap: 0.7rem;
}

.quiz-review-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.quiz-review-item em {
  color: var(--muted);
  font-style: normal;
  font-weight: 800;
}

.quiz-review-item.is-correct {
  border-color: color-mix(in srgb, var(--ok) 42%, var(--line));
}

.quiz-review-item.is-wrong {
  border-color: color-mix(in srgb, var(--danger) 36%, var(--line));
}

@media (max-width: 900px) {
  .dashboard-focus-layout,
  .progress-visual-card,
  .progress-day-row,
  .progress-overview-grid {
    grid-template-columns: 1fr;
  }

  .progress-week-head,
  .admin-head,
  .teacher-workflow-head,
  .focus-timer-head {
    flex-direction: column;
  }

  .progress-ring {
    --size: 112px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Compact task-detail polish */

.workspace-detail-card {
  gap: 0.75rem !important;
}

.workspace-detail-card h2 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.18;
}

.workspace-detail-section {
  gap: 0.42rem !important;
  padding-top: 0.7rem !important;
}

.workspace-detail-section h3,
.workspace-code-panel summary span {
  font-size: 0.94rem;
  line-height: 1.25;
  font-weight: 850;
}

.workspace-detail-section p,
.workspace-detail-section li {
  font-size: 0.96rem;
  line-height: 1.55;
}

.workspace-detail-section ul {
  display: grid;
  gap: 0.35rem;
  padding-left: 1.1rem;
}

.workspace-code-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  overflow: hidden;
}

.workspace-code-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.72rem 0.85rem;
  cursor: pointer;
  color: var(--text);
  list-style: none;
}

.workspace-code-panel summary::-webkit-details-marker {
  display: none;
}

.workspace-code-panel summary em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 800;
}

.workspace-code-panel[open] summary {
  border-bottom: 1px solid var(--line);
}

.workspace-code-panel pre {
  max-height: 18rem;
  margin: 0 !important;
  padding: 0.85rem !important;
  overflow: auto;
  font-size: 0.86rem !important;
  line-height: 1.45 !important;
}

.workspace-code-panel code {
  font-size: inherit !important;
  line-height: inherit !important;
  white-space: pre;
}

.helper-drawer-panel .helper-panel {
  font-size: 0.95rem;
}

.helper-drawer-panel pre,
.helper-drawer-panel code {
  font-size: 0.84rem !important;
  line-height: 1.45 !important;
}

@media (max-width: 760px) {
  .workspace-code-panel pre {
    max-height: 14rem;
  }
}

/* Functional repair round: real master-detail layouts for admin and tasks */
.workspace-grid {
  grid-template-columns: clamp(220px, 16vw, 290px) minmax(300px, 0.78fr) minmax(520px, 1.35fr) !important;
}

.workspace-main-panel {
  grid-column: 2 !important;
  grid-row: 1 !important;
}

.workspace-detail-column {
  grid-column: 3 !important;
  grid-row: 1 !important;
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 108px);
  overflow: auto;
  padding-right: 0.15rem;
}

.workspace-task-list {
  max-height: calc(100vh - 320px);
  overflow: auto;
  padding-right: 0.25rem;
}

.admin-quick-actions,
.teacher-panel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.admin-explorer {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(260px, 0.95fr) minmax(460px, 1.45fr);
  gap: 1rem;
  align-items: start;
}

.admin-explorer-column,
.admin-explorer-detail,
.admin-task-detail,
.admin-quiz-preview {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
}

.admin-explorer-column {
  display: grid;
  gap: 0.7rem;
  max-height: calc(100vh - 230px);
  overflow: auto;
}

.admin-section-heading.is-compact {
  margin-bottom: 0.2rem;
}

.admin-explorer-item,
.admin-task-row {
  width: 100%;
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: var(--surface-2);
  text-align: left;
  cursor: pointer;
}

.admin-explorer-item:hover,
.admin-task-row:hover,
.admin-explorer-item.is-active,
.admin-task-row.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.admin-explorer-item span,
.admin-task-row span,
.admin-explorer-item small,
.admin-task-row small {
  color: var(--muted);
}

.admin-task-inspector,
.admin-quiz-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1.3fr);
  gap: 1rem;
  align-items: start;
}

.admin-task-list,
.admin-quiz-question-list {
  display: grid;
  gap: 0.6rem;
  max-height: calc(100vh - 350px);
  overflow: auto;
}

.admin-task-detail {
  display: grid;
  gap: 0.85rem;
}

.admin-task-detail header {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
}

.admin-inline-filter {
  display: grid;
  gap: 0.35rem;
  min-width: 220px;
}

.admin-inline-filter span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.admin-quiz-question {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  padding: 0.75rem;
}

.admin-quiz-question summary {
  cursor: pointer;
  font-weight: 850;
}

.admin-quiz-question .is-correct {
  color: var(--success);
  font-weight: 800;
}

.admin-table tr.is-selected td {
  background: var(--accent-soft);
}

@media (max-width: 1240px) {
  .workspace-grid,
  .admin-explorer,
  .admin-task-inspector,
  .admin-quiz-layout {
    grid-template-columns: 1fr !important;
  }

  .workspace-sidebar-panel,
  .workspace-main-panel,
  .workspace-detail-column {
    grid-column: 1 !important;
    grid-row: auto !important;
  }

  .workspace-detail-column {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .workspace-task-list,
  .admin-explorer-column,
  .admin-task-list,
  .admin-quiz-question-list {
    max-height: none;
  }
}

/* Student workspace readability repair: remove cramped day text and stray-looking boxes */
.academy-workspace-mode .workspace-grid {
  grid-template-columns: clamp(210px, 15vw, 250px) minmax(390px, 0.95fr) minmax(420px, 1.05fr) !important;
  gap: 0.85rem;
}

.academy-workspace-mode .workspace-day-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 0.55rem;
}

.academy-workspace-mode .workspace-day-header h2 {
  max-width: 42rem;
  font-size: clamp(1.35rem, 1.45vw, 1.75rem);
  line-height: 1.2;
  text-wrap: balance;
  overflow-wrap: normal;
  hyphens: none;
}

.academy-workspace-mode .workspace-day-header p {
  max-width: 46rem;
  font-size: 0.96rem;
  line-height: 1.55;
}

.academy-workspace-mode .workspace-day-progress {
  min-width: auto;
  display: inline-flex;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.45rem;
  padding: 0;
  border: 0 !important;
  border-radius: 0;
  background: transparent !important;
  text-align: left;
  box-shadow: none;
  color: var(--muted) !important;
}

.academy-workspace-mode .workspace-day-progress strong {
  font-size: 1.05rem;
  color: var(--text) !important;
}

.academy-workspace-mode .workspace-day-progress span {
  color: var(--muted);
  font-size: 0.9rem;
}

.academy-workspace-mode .workspace-task-card {
  grid-template-columns: minmax(0, 1fr);
}

.academy-workspace-mode .workspace-task-actions {
  justify-content: flex-start;
}

.academy-workspace-mode .workspace-detail-meta span,
.academy-workspace-mode .workspace-task-meta span {
  border-radius: 10px;
  background: var(--surface-muted) !important;
}

.academy-workspace-mode .app-topbar-nav {
  flex-wrap: nowrap;
  overflow-x: auto;
  max-width: min(52vw, 720px);
}

@media (max-width: 1320px) {
  .academy-workspace-mode .workspace-grid {
    grid-template-columns: 220px minmax(360px, 0.9fr) minmax(390px, 1fr) !important;
  }
}

@media (max-width: 1180px) {
  .academy-workspace-mode .workspace-grid {
    grid-template-columns: 1fr !important;
  }

  .academy-workspace-mode .workspace-day-header {
    grid-template-columns: 1fr;
  }

  .academy-workspace-mode .workspace-day-progress {
    text-align: left;
  }
}