:root {
  --bg: #070b10;
  --surface: #10192a;
  --surface2: #182236;
  --surface3: #1f2d44;
  --text: #f0f4fc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent2: #a78bfa;
  --accent-hot: #f472b6;
  --accent-dim: rgba(56, 189, 248, 0.16);
  --ok: #34d399;
  --ok-dim: rgba(52, 211, 153, 0.14);
  --warn: #fbbf24;
  --danger: #fb7185;
  --radius: 16px;
  --radius-sm: 12px;
  --font: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lift: 0 16px 48px rgba(0, 0, 0, 0.45);
  --border-subtle: rgba(255, 255, 255, 0.07);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-weight: 500;
  background:
    radial-gradient(ellipse 900px 480px at 12% -8%, rgba(56, 189, 248, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 720px 440px at 92% 5%, rgba(167, 139, 250, 0.16) 0%, transparent 48%),
    radial-gradient(ellipse 560px 400px at 50% 102%, rgba(244, 114, 182, 0.08) 0%, transparent 42%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.shell {
  max-width: 1024px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.shell-student {
  max-width: 1100px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.5rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav a,
.nav button {
  font: inherit;
}

.nav-link {
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  color: var(--muted);
}
.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.nav-link--primary {
  font-weight: 700;
  color: var(--text);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2) 0%, rgba(167, 139, 250, 0.18) 100%);
  border: 1px solid rgba(56, 189, 248, 0.28);
}
.nav-link--primary:hover {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3) 0%, rgba(167, 139, 250, 0.24) 100%);
  border-color: rgba(56, 189, 248, 0.45);
}

.btn-logout {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
}
.btn-logout:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.3);
}

h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
  letter-spacing: -0.03em;
  background: linear-gradient(115deg, var(--text) 0%, #bae6fd 45%, #e9d5ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.student-page-title {
  font-size: 1.65rem;
}

.student-hero {
  margin-bottom: 2rem;
}

.student-hero-title {
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 0.5rem;
  line-height: 1.2;
  background: linear-gradient(110deg, #fff 0%, #7dd3fc 40%, #c4b5fd 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.student-hero-sub {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
  max-width: 40rem;
  line-height: 1.5;
}

.student-dash-section {
  margin-bottom: 2.25rem;
}

.student-dash-section-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
  color: var(--text);
}

.student-dash-section-hint {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.45;
}

.niveau-band {
  margin: 2rem 0 0.85rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  overflow: hidden;
}

.niveau-band:first-of-type {
  margin-top: 0;
}

.niveau-band__inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.1rem;
}

.niveau-band__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.niveau-band__text {
  min-width: 0;
}

.niveau-band__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.niveau-band__subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0.88;
  line-height: 1.35;
}

.niveau-band--1 {
  background: linear-gradient(105deg, rgba(56, 189, 248, 0.18) 0%, rgba(14, 165, 233, 0.08) 100%);
  border-color: rgba(56, 189, 248, 0.35);
}

.niveau-band--1 .niveau-band__chip {
  color: #e0f2fe;
  background: rgba(56, 189, 248, 0.28);
  border: 1px solid rgba(56, 189, 248, 0.45);
}

.niveau-band--1 .niveau-band__title {
  color: #bae6fd;
}

.niveau-band--1 .niveau-band__subtitle {
  color: #7dd3fc;
}

.niveau-band--2 {
  background: linear-gradient(105deg, rgba(167, 139, 250, 0.2) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-color: rgba(167, 139, 250, 0.35);
}

.niveau-band--2 .niveau-band__chip {
  color: #ede9fe;
  background: rgba(167, 139, 250, 0.28);
  border: 1px solid rgba(167, 139, 250, 0.45);
}

.niveau-band--2 .niveau-band__title {
  color: #ddd6fe;
}

.niveau-band--2 .niveau-band__subtitle {
  color: #c4b5fd;
}

.niveau-band--3 {
  background: linear-gradient(105deg, rgba(251, 191, 36, 0.18) 0%, rgba(245, 158, 11, 0.08) 100%);
  border-color: rgba(251, 191, 36, 0.35);
}

.niveau-band--3 .niveau-band__chip {
  color: #fef3c7;
  background: rgba(251, 191, 36, 0.28);
  border: 1px solid rgba(251, 191, 36, 0.45);
}

.niveau-band--3 .niveau-band__title {
  color: #fde68a;
}

.niveau-band--3 .niveau-band__subtitle {
  color: #fcd34d;
}

.niveau-band--0 {
  background: linear-gradient(105deg, rgba(148, 163, 184, 0.15) 0%, rgba(100, 116, 139, 0.06) 100%);
  border-color: rgba(148, 163, 184, 0.3);
}

.niveau-band--0 .niveau-band__title {
  color: #cbd5e1;
}

.auth-card {
  max-width: 420px;
}

.auth-card-title {
  font-size: 1.6rem;
}

.auth-card-sub {
  margin-bottom: 1.25rem;
}

@supports not (background-clip: text) {
  h1 {
    color: var(--text);
    background: none;
  }
}

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 1.1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text);
  letter-spacing: -0.01em;
}

.section-title--student {
  font-size: 1.2rem;
  border-bottom-color: rgba(94, 184, 232, 0.2);
}

.sub {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.card {
  background: linear-gradient(155deg, rgba(28, 38, 54, 0.92) 0%, rgba(15, 22, 34, 0.98) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.35rem 1.45rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-elevated {
  box-shadow: var(--shadow-lift);
  border-color: rgba(255, 255, 255, 0.1);
}

.skill-tree-card {
  margin-top: 1.5rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: rgba(232, 197, 71, 0.12);
  border: 1px solid rgba(232, 197, 71, 0.35);
  color: #f5e6b3;
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  gap: 0.85rem;
  max-width: 360px;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-primary {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(125deg, var(--accent) 0%, var(--accent2) 55%, var(--accent-hot) 100%);
  color: #0a0c10;
  font-weight: 700;
  cursor: pointer;
  font: inherit;
}
.btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.25);
}

.btn-primary--loud {
  padding: 0.65rem 1.15rem;
  font-size: 1rem;
  border-radius: 12px;
}

.errorlist {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.pwd-strength {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
  min-height: 1.1rem;
}

.pwd-strength--empty {
  visibility: hidden;
}

.pwd-strength-track {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
  overflow: hidden;
}

.pwd-strength-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  transition: width 0.2s ease, background 0.2s ease;
  background: #94a3b8;
}

.pwd-strength--0 .pwd-strength-fill {
  background: #f87171;
}

.pwd-strength--1 .pwd-strength-fill {
  background: #fbbf24;
}

.pwd-strength--2 .pwd-strength-fill {
  background: #4ade80;
}

.pwd-strength-label {
  flex-shrink: 0;
  min-width: 2.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-align: right;
}

.pwd-strength--0 .pwd-strength-label {
  color: #f87171;
}

.pwd-strength--1 .pwd-strength-label {
  color: #fbbf24;
}

.pwd-strength--2 .pwd-strength-label {
  color: #4ade80;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 -0.15rem;
}

table.progress {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.5rem;
  font-size: 0.92rem;
}

table.progress thead tr th {
  padding: 0.5rem 0.75rem 0.85rem;
  border: none;
  vertical-align: bottom;
}

table.progress tbody tr td {
  text-align: left;
  padding: 0.85rem 1rem;
  border: none;
  vertical-align: middle;
  background: rgba(255, 255, 255, 0.03);
}

table.progress tbody tr td:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

table.progress tbody tr td:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

table.progress tbody tr:hover td {
  background: rgba(94, 184, 232, 0.06);
}

table.progress th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.progress-bloc-title {
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.35;
}

.progress-bloc-title-row,
.lesson-card-title-row,
.skill-node-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.55rem;
}

.workspace-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.65rem;
}

.workspace-title-text {
  flex: 1 1 auto;
  min-width: 0;
}

.block-level-badge {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  color: #e0f2fe;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.matrix-head-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  max-width: 100%;
}

.matrix-head-inner .block-level-badge {
  font-size: 0.6rem;
  padding: 0.1rem 0.28rem;
}

.pill {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.pill-locked {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  border-color: rgba(255, 255, 255, 0.08);
}
.pill-available {
  background: linear-gradient(135deg, rgba(94, 184, 232, 0.22) 0%, rgba(124, 108, 240, 0.15) 100%);
  color: #c8e8fb;
  border-color: rgba(94, 184, 232, 0.25);
}
.pill-progress {
  background: rgba(155, 138, 237, 0.2);
  color: #ddd6ff;
  border-color: rgba(155, 138, 237, 0.28);
}
.pill-pending {
  background: rgba(232, 197, 71, 0.16);
  color: #f5e6b3;
  border-color: rgba(232, 197, 71, 0.3);
}
.pill-done {
  background: linear-gradient(135deg, rgba(62, 207, 142, 0.22) 0%, rgba(62, 207, 142, 0.1) 100%);
  color: #b8f5d8;
  border-color: rgba(62, 207, 142, 0.35);
}

/* —— Tableau de progression (vue visuelle) —— */
.progression-board {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.progression-summary {
  padding: 1.1rem 1.2rem 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(24, 34, 54, 0.95) 0%, rgba(12, 18, 30, 0.98) 100%);
  border: 1px solid rgba(56, 189, 248, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

.progression-summary-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.progression-summary-score {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.progression-summary-score-value {
  font-size: 2.35rem;
  background: linear-gradient(120deg, #6ee7b7 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.progression-summary-score-sep {
  font-size: 1.5rem;
  color: var(--muted);
  font-weight: 700;
}

.progression-summary-score-total {
  font-size: 1.65rem;
  color: var(--muted);
}

.progression-summary-copy {
  flex: 1;
  min-width: 200px;
}

.progression-summary-title {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.progression-summary-sub {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.progression-summary-bar {
  display: flex;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.progression-summary-seg {
  height: 100%;
  transition: opacity 0.2s ease;
}

.progression-summary-seg--empty {
  display: none;
}

.progression-summary-seg.seg-locked {
  background: linear-gradient(180deg, #64748b 0%, #475569 100%);
}

.progression-summary-seg.seg-available {
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
}

.progression-summary-seg.seg-in-progress {
  background: linear-gradient(180deg, #a78bfa 0%, #7c3aed 100%);
}

.progression-summary-seg.seg-pending {
  background: linear-gradient(180deg, #fbbf24 0%, #d97706 100%);
}

.progression-summary-seg.seg-validated {
  background: linear-gradient(180deg, #34d399 0%, #059669 100%);
}

.progression-summary-legend {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.progression-summary-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.progression-summary-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.progression-summary-dot.seg-locked {
  background: #64748b;
}
.progression-summary-dot.seg-available {
  background: #38bdf8;
}
.progression-summary-dot.seg-in-progress {
  background: #a78bfa;
}
.progression-summary-dot.seg-pending {
  background: #fbbf24;
}
.progression-summary-dot.seg-validated {
  background: #34d399;
}

.progression-summary-legend-count {
  font-weight: 700;
  color: var(--text);
}

.progression-table-wrap {
  margin: 0;
}

table.progression-table-visual tbody tr.progress-row td {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

table.progression-table-visual tbody tr.progress-row td:first-child {
  box-shadow: inset 4px 0 0 transparent;
}

table.progression-table-visual tbody tr.progress-row--locked td:first-child {
  box-shadow: inset 4px 0 0 rgba(100, 116, 139, 0.85);
}

table.progression-table-visual tbody tr.progress-row--available td:first-child {
  box-shadow: inset 4px 0 0 #38bdf8;
}

table.progression-table-visual tbody tr.progress-row--in_progress td:first-child {
  box-shadow: inset 4px 0 0 #a78bfa;
}

table.progression-table-visual tbody tr.progress-row--pending_validation td:first-child {
  box-shadow: inset 4px 0 0 #fbbf24;
}

table.progression-table-visual tbody tr.progress-row--validated td:first-child {
  box-shadow: inset 4px 0 0 #34d399;
}

table.progression-table-visual tbody tr.progress-row:hover td {
  background: rgba(56, 189, 248, 0.07);
}

.progress-bloc-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
}

.progress-atelier-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #7dd3fc;
  text-decoration: none;
}

.progress-atelier-chip:hover {
  background: rgba(56, 189, 248, 0.22);
  text-decoration: none;
  color: #e0f2fe;
}

.progress-status-cell {
  min-width: 200px;
  vertical-align: top;
}

.progress-pill-wrap {
  margin-top: 0.5rem;
}

.progress-rail {
  display: flex;
  gap: 4px;
  width: 100%;
  max-width: 280px;
}

.progress-rail-chunk {
  flex: 1;
  height: 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.progress-rail-chunk--done {
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.45) 0%, rgba(56, 189, 248, 0.35) 100%);
  border-color: rgba(52, 211, 153, 0.25);
}

.progress-rail-chunk--here {
  background: linear-gradient(90deg, #f472b6 0%, #a78bfa 55%, #38bdf8 100%);
  border-color: rgba(244, 114, 182, 0.5);
  box-shadow: 0 0 14px rgba(167, 139, 250, 0.45);
}

.progress-row--locked .progress-rail-chunk--here {
  background: rgba(148, 163, 184, 0.35);
  border-color: rgba(148, 163, 184, 0.4);
  box-shadow: none;
}

.progress-rail-labels {
  display: flex;
  justify-content: space-between;
  gap: 0.15rem;
  max-width: 280px;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(148, 163, 184, 0.75);
}

.progress-rail-labels li.is-here {
  color: #e0f2fe;
}

@media (max-width: 720px) {
  .progress-rail-labels {
    display: none;
  }
  .progress-rail {
    max-width: none;
  }
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.lesson-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 1.15rem 1.2rem 1.2rem;
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--surface2) 0%, rgba(18, 26, 38, 0.95) 100%);
  border: 1px solid var(--border-subtle);
  color: var(--text);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.lesson-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 50%, var(--accent-hot) 100%);
  opacity: 0.9;
}

.lesson-card--status-available::before {
  background: linear-gradient(90deg, #38bdf8 0%, #22d3ee 100%);
}

.lesson-card--status-in_progress::before,
.lesson-card--status-pending_validation::before {
  background: linear-gradient(90deg, #a78bfa 0%, #f472b6 100%);
}

.lesson-card--status-validated::before {
  background: linear-gradient(90deg, #34d399 0%, #2dd4bf 100%);
  opacity: 0.95;
}

.lesson-card--status-locked::before {
  background: rgba(148, 163, 184, 0.35);
  opacity: 0.6;
}

.lesson-card-badge {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}

.lesson-card-badge--muted {
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(148, 163, 184, 0.22);
  color: var(--muted);
}

.lesson-card--status-validated .lesson-card-badge {
  background: rgba(52, 211, 153, 0.15);
  border-color: rgba(52, 211, 153, 0.35);
  color: #6ee7b7;
}

.lesson-card--status-in_progress .lesson-card-badge,
.lesson-card--status-pending_validation .lesson-card-badge {
  background: rgba(167, 139, 250, 0.16);
  border-color: rgba(167, 139, 250, 0.32);
  color: #ddd6fe;
}

.lesson-card-hint--done {
  color: var(--ok);
}

.lesson-card-icon--locked {
  filter: grayscale(0.4);
  opacity: 0.65;
}

.lesson-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 184, 232, 0.4);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(94, 184, 232, 0.12);
  text-decoration: none;
}

.lesson-card-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(94, 184, 232, 0.22);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='1.5'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3Cpath d='M8 7h8M8 11h8M8 15h4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 1.15rem;
}

.lesson-card-title {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.35;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.toolbar form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

.toolbar label {
  margin: 0;
}

/* —— Tableau de bord prof (matrice élèves × blocs) —— */
.shell-wide {
  max-width: min(1240px, 100vw - 1.5rem);
}

.matrix-legend {
  margin-bottom: 1rem;
}

.legend-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  align-items: center;
}

.legend-pills > span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.matrix-card {
  padding: 0.75rem 0.85rem;
}

.matrix-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0;
  border-radius: 8px;
}

table.prof-matrix {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.8rem;
}

table.prof-matrix th,
table.prof-matrix td {
  padding: 0.5rem 0.45rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  vertical-align: middle;
  text-align: center;
}

table.prof-matrix tbody th.student-cell,
table.prof-matrix tbody td:first-child {
  text-align: left;
}

table.prof-matrix thead th {
  background: var(--surface2);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.68rem;
  line-height: 1.25;
  position: sticky;
  top: 0;
  z-index: 2;
  max-width: 6.5rem;
  hyphens: auto;
  word-break: break-word;
}

table.prof-matrix thead th:first-child {
  z-index: 3;
  left: 0;
  max-width: none;
  min-width: 10.5rem;
  text-align: left;
  background: linear-gradient(90deg, var(--surface2) 90%, transparent);
  box-shadow: 6px 0 16px rgba(0, 0, 0, 0.2);
}

.matrix-head-title {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  max-height: 3.6rem;
  overflow: hidden;
  line-height: 1.2;
}

table.prof-matrix tbody th.student-cell {
  position: sticky;
  left: 0;
  z-index: 1;
  background: linear-gradient(90deg, var(--surface) 85%, rgba(26, 35, 50, 0.65));
  box-shadow: 6px 0 14px rgba(0, 0, 0, 0.18);
  min-width: 10.5rem;
  font-weight: normal;
}

.student-link {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}
.student-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.student-login {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
}

.matrix-pill {
  font-size: 0.65rem;
  padding: 0.12rem 0.38rem;
  white-space: nowrap;
}

.matrix-abbr {
  cursor: default;
  display: inline-block;
}

/* —— Tableau de bord prof : synthèse sobre + grille en points —— */
.prof-insights {
  margin-bottom: 1rem;
  padding: 1.1rem 1.2rem 1.15rem;
}

.prof-insights-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 1.25rem;
  margin-bottom: 1.1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (max-width: 720px) {
  .prof-insights-kpis {
    grid-template-columns: 1fr;
  }
}

.prof-kpi {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.prof-kpi-value {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
}

.prof-kpi-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.prof-kpi-detail {
  font-size: 0.8rem;
  color: var(--muted);
}

.prof-insights-table-wrap {
  margin-top: 0.25rem;
}

.prof-insights-table-title {
  font-size: 0.82rem;
  font-weight: 600;
  margin: 0 0 0.55rem;
  color: var(--muted);
}

.prof-insights-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.prof-insights-table th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.45rem 0.5rem 0.55rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.prof-insights-table td {
  padding: 0.5rem 0.5rem 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

.prof-insights-table tbody tr:last-child td {
  border-bottom: none;
}

.prof-insights-domain {
  color: var(--text);
  font-weight: 500;
  max-width: 12rem;
}

.prof-insights-track-cell {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 9rem;
}

.prof-track {
  flex: 1;
  max-width: 140px;
  height: 5px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 999px;
  overflow: hidden;
}

.prof-track-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: rgba(62, 207, 142, 0.75);
  min-width: 0;
  transition: width 0.35s ease;
}

.prof-track-pct {
  font-size: 0.78rem;
  color: var(--muted);
  min-width: 2.5rem;
  font-variant-numeric: tabular-nums;
}

.prof-insights-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.prof-insights-of {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.78em;
}

.prof-insights-pending-num {
  color: #e8c547;
  font-weight: 600;
}

.prof-insights-pending-line {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.5;
}

.prof-insights-pending-label {
  margin-right: 0.35rem;
}

.prof-insights-pending-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.prof-insights-pending-link:hover {
  text-decoration: underline;
}

.prof-insights-pending-sep {
  color: rgba(255, 255, 255, 0.2);
}

/* —— Accueil enseignant —— */
.prof-accueil-kpis .prof-insights-kpis {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

@media (min-width: 900px) {
  .prof-accueil-kpis .prof-insights-kpis {
    grid-template-columns: repeat(4, 1fr);
  }
}

.prof-accueil-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.85rem;
  color: var(--text);
}

.prof-kpi-slash {
  font-weight: 600;
  opacity: 0.45;
  margin: 0 0.08em;
}

.prof-accueil-pending {
  margin-top: 1rem;
}

.prof-accueil-pending-intro {
  margin-top: -0.35rem;
  margin-bottom: 0.75rem;
}

.prof-accueil-pending-table-wrap {
  overflow-x: auto;
}

.prof-accueil-pending-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.prof-accueil-pending-table th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.45rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.prof-accueil-pending-table td {
  padding: 0.55rem 0.75rem 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: top;
}

.prof-accueil-pending-table tbody tr:last-child td {
  border-bottom: none;
}

.prof-accueil-pending-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.prof-accueil-pending-link:hover {
  text-decoration: underline;
}

.prof-accueil-pending-date {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  white-space: nowrap;
}

.prof-accueil-empty-pending {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
}

.prof-accueil-empty-pending-msg {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.matrix-legend-title {
  font-size: 0.88rem;
  display: block;
  margin-bottom: 0.45rem;
}

.matrix-legend-dots {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  font-size: 0.82rem;
  color: var(--muted);
  align-items: center;
}

.matrix-legend-dots li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.matrix-legend-hint {
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
}

.matrix-status-dot {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
  box-sizing: border-box;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.matrix-status-dot--matrix {
  width: 12px;
  height: 12px;
  cursor: default;
}

.matrix-status-dot--matrix:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.matrix-dot-cell {
  padding: 0.4rem 0.35rem !important;
}

.matrix-status-dot--locked {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.14);
}

.matrix-status-dot--available {
  background: rgba(94, 184, 232, 0.75);
  border-color: rgba(94, 184, 232, 0.4);
}

.matrix-status-dot--in_progress {
  background: rgba(155, 138, 237, 0.85);
  border-color: rgba(155, 138, 237, 0.45);
}

.matrix-status-dot--pending_validation {
  background: rgba(232, 197, 71, 0.9);
  border-color: rgba(232, 197, 71, 0.45);
}

.matrix-status-dot--validated {
  background: rgba(62, 207, 142, 0.88);
  border-color: rgba(62, 207, 142, 0.45);
}

/* Arbre de compétences (bases en bas, flex column-reverse) */
.skill-tree {
  display: flex;
  flex-direction: column-reverse;
  align-items: stretch;
  gap: 0;
  margin-top: 0.25rem;
}

.skill-tree-intro {
  margin-bottom: 0;
  margin-top: 0.35rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, var(--accent-dim) 0%, rgba(155, 138, 237, 0.08) 100%);
  border: 1px solid rgba(94, 184, 232, 0.18);
}

.skill-tree-intro-text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.skill-tree-intro-text strong {
  color: var(--text);
  font-weight: 600;
}

.skill-tree-layer {
  position: relative;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.15rem;
  background: linear-gradient(165deg, rgba(28, 38, 54, 0.55) 0%, rgba(12, 18, 28, 0.75) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.skill-tree-layer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent2) 100%);
  opacity: 0.65;
}

.skill-tree-layer[data-depth="0"]::before {
  background: linear-gradient(180deg, var(--ok) 0%, var(--accent) 100%);
  opacity: 0.75;
}

.skill-tree-layer-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin: 0 0 1rem;
  padding-left: 0.35rem;
}

.skill-tree-layer-label-text {
  color: #b8d4eb;
  font-weight: 600;
}

.skill-tree-layer-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  height: 1.65rem;
  padding: 0 0.4rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  background: rgba(94, 184, 232, 0.18);
  border: 1px solid rgba(94, 184, 232, 0.35);
  color: #d2ecfb;
}

.skill-tree-layer-badge--base {
  min-width: auto;
  padding: 0.25rem 0.55rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--ok-dim);
  border-color: rgba(62, 207, 142, 0.35);
  color: #b8f5d8;
}

.skill-tree-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.skill-node {
  flex: 1 1 280px;
  max-width: 100%;
  padding: 1rem 1.05rem 1.05rem 1.15rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--surface3) 0%, rgba(22, 30, 44, 0.92) 100%);
  border: 1px solid var(--border-subtle);
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .skill-node,
  .lesson-card {
    transition: none;
  }
}

.skill-node:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.skill-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--muted);
  opacity: 0.35;
}

.skill-node--validated {
  border-color: rgba(62, 207, 142, 0.35);
}

.skill-node--validated::before {
  background: var(--ok);
  opacity: 0.85;
}

.skill-node--available {
  border-color: rgba(94, 184, 232, 0.38);
}

.skill-node--available::before {
  background: var(--accent);
  opacity: 0.75;
}

.skill-node--in_progress::before {
  background: var(--accent2);
  opacity: 0.75;
}

.skill-node--pending_validation::before {
  background: var(--warn);
  opacity: 0.7;
}

.skill-node--locked {
  opacity: 0.94;
}

.skill-node--locked::before {
  opacity: 0.25;
}

.skill-node-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.55rem;
}

.skill-node-title {
  font-size: 0.96rem;
  line-height: 1.38;
  font-weight: 600;
  color: var(--text);
}

.skill-node-meta {
  font-size: 0.81rem;
  color: var(--muted);
  margin: 0.65rem 0 0;
  line-height: 1.45;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.skill-node-meta-key {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.skill-node-meta--next .skill-node-meta-key {
  color: #c4b8f5;
}

.skill-tree-connector {
  height: 1.75rem;
  width: 5px;
  margin: 0.2rem 0;
  border-radius: 999px;
  align-self: center;
  background: linear-gradient(
    180deg,
    rgba(155, 138, 237, 0.55) 0%,
    rgba(94, 184, 232, 0.45) 50%,
    rgba(62, 207, 142, 0.35) 100%
  );
  box-shadow: 0 0 16px rgba(94, 184, 232, 0.25);
  opacity: 0.95;
}

table.progress .progress-prereq {
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 280px;
}

table.progress .progress-prereq-none {
  color: rgba(154, 168, 188, 0.45);
}

.progress-prereq-niveau-hint {
  font-size: 0.78rem;
  line-height: 1.4;
  color: #fde68a;
  margin: 0 0 0.45rem;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.22);
}

.skill-node-meta--niveau .skill-node-meta-key {
  color: #fde68a;
}

.lesson-card-prereq-hint {
  font-size: 0.76rem;
  line-height: 1.35;
  color: #fde68a;
  margin: 0.35rem 0 0.25rem;
}

.lesson-card-prereq-list {
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--muted);
  margin: 0.2rem 0 0.15rem;
}

.lesson-card-prereq-key {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(154, 168, 188, 0.75);
  margin-bottom: 0.15rem;
}

.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;
}

.lesson-card-hint {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  padding-top: 0.35rem;
}

.lesson-card-hint--locked {
  color: var(--muted);
  font-weight: 500;
}

.lesson-card--locked {
  opacity: 0.58;
  cursor: not-allowed;
  filter: grayscale(0.25);
  pointer-events: none;
}

.lesson-card--locked:hover {
  transform: none;
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

/* Atelier bloc : exercices + discussion */
.workspace-header {
  margin-bottom: 1.25rem;
}

.programme-attendus {
  margin: 1rem 0 1.1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(62, 207, 142, 0.22);
  background: linear-gradient(
    145deg,
    rgba(62, 207, 142, 0.08) 0%,
    rgba(94, 184, 232, 0.06) 100%
  );
}

.programme-attendus-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: #b8f5d8;
  letter-spacing: 0.02em;
}

.programme-attendus-theme {
  margin: 0 0 0.55rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.sublesson-stepper {
  margin-top: 1rem;
}

.sublesson-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sublesson-item {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
}

.sublesson-item-head {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.sublesson-item-ordre {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  background: rgba(62, 207, 142, 0.15);
  color: #b8f5d8;
}

.sublesson-item--completed .sublesson-item-ordre {
  background: rgba(62, 207, 142, 0.35);
}

.sublesson-item--locked {
  opacity: 0.65;
}

.sublesson-item-ref {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

.sublesson-item-status {
  font-size: 0.78rem;
  color: var(--muted);
}

.sublesson-item-link {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.85rem;
}

.sublesson-item-locked {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.sublesson-ref-banner {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.45;
}

.programme-attendus-list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.45;
}

.programme-attendus-list li {
  margin-bottom: 0.35rem;
}

.programme-attendus-foot {
  margin: 0.65rem 0 0 !important;
  font-size: 0.8rem !important;
}

.workspace-intro {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.5;
}

.workspace-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: 1.25rem;
  align-items: start;
}

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

.workspace-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin: -0.15rem -0.1rem 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.08) 0%,
    rgba(167, 139, 250, 0.06) 55%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.workspace-panel-head .workspace-panel-title {
  margin: 0;
  flex: 1 1 auto;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.workspace-panel-title {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.chat-reset-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 0 0 auto;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(251, 113, 133, 0.28);
  background: rgba(251, 113, 133, 0.08);
  color: #fda4af;
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    transform 0.12s ease,
    box-shadow 0.18s ease;
}

.chat-reset-btn:hover {
  background: rgba(251, 113, 133, 0.16);
  border-color: rgba(251, 113, 133, 0.45);
  color: #fecdd3;
  box-shadow: 0 4px 14px rgba(251, 113, 133, 0.12);
}

.chat-reset-btn:active {
  transform: scale(0.97);
}

.chat-reset-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.chat-reset-btn__icon {
  flex-shrink: 0;
  opacity: 0.92;
}

@media (max-width: 520px) {
  .chat-reset-btn__label {
    display: none;
  }

  .chat-reset-btn {
    padding: 0.48rem;
    border-radius: 10px;
  }
}

.exercise-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.exercise-card {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.12);
}

.exercise-card-head {
  margin-bottom: 0.5rem;
}

.exercise-num {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.exercise-prompt {
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  line-height: 1.45;
}

.exercise-textarea {
  width: 100%;
  padding: 0.6rem 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
  resize: vertical;
  min-height: 4.5rem;
}

.exercise-textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.workspace-panel.card.workspace-chat {
  display: flex;
  flex-direction: column;
  max-height: min(72vh, 640px);
  padding: 1rem 1.05rem 1.05rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, transparent 28%),
    linear-gradient(155deg, rgba(28, 38, 54, 0.92) 0%, rgba(15, 22, 34, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-soft);
}

.workspace-chat > p:has(.course-start-btn) {
  margin: 0 0 0.85rem;
  text-align: center;
}

.workspace-chat > .sub {
  margin: -0.35rem 0 0.85rem;
  padding: 0 0.15rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
}

.chat-scroll {
  flex: 1;
  min-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem 0.75rem;
  margin-bottom: 0.85rem;
  border-radius: var(--radius-sm);
  background:
    radial-gradient(ellipse 120% 80% at 50% 0%, rgba(56, 189, 248, 0.05) 0%, transparent 55%),
    rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
}

.chat-scroll::-webkit-scrollbar {
  width: 7px;
}

.chat-scroll::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.28);
  border-radius: 999px;
}

.chat-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.42);
}

.chat-empty {
  margin: auto 0;
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--muted);
  border-radius: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}

.chat-bubble {
  max-width: 92%;
  padding: 0.65rem 0.82rem 0.55rem;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.5;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  animation: chat-bubble-in 0.22s ease-out;
}

@keyframes chat-bubble-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-bubble--student {
  align-self: flex-end;
  margin-left: 2.25rem;
  border-radius: 14px 14px 4px 14px;
  background: linear-gradient(145deg, rgba(56, 189, 248, 0.24) 0%, rgba(167, 139, 250, 0.16) 100%);
  border: 1px solid rgba(56, 189, 248, 0.32);
}

.chat-bubble--assistant {
  align-self: flex-start;
  margin-right: 2.25rem;
  border-radius: 14px 14px 14px 4px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09) 0%, rgba(255, 255, 255, 0.04) 100%);
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.chat-bubble-role {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.chat-bubble--student .chat-bubble-role {
  color: rgba(186, 230, 253, 0.88);
}

.chat-bubble--assistant .chat-bubble-role {
  color: rgba(196, 181, 253, 0.9);
}

.chat-bubble-body {
  margin: 0;
}

.chat-bubble-body--math .chat-line {
  margin: 0.12em 0;
}

.chat-bubble-body--math .katex {
  font-size: 1.05em;
}

.chat-bubble-body--math .katex-display {
  margin: 0.5em 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.chat-bubble-time {
  display: block;
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.chat-compose {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.workspace-chat .chat-compose .exercise-textarea {
  min-height: 3.75rem;
  border-radius: 10px;
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(15, 23, 42, 0.65);
  resize: none;
}

.workspace-chat .chat-compose .exercise-textarea:focus {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
  outline: none;
}

.workspace-chat .chat-compose .btn-primary {
  align-self: flex-end;
  min-width: 7.5rem;
  border-radius: 999px;
  padding: 0.55rem 1.15rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.2);
}

.workspace-chat .course-start-btn {
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.18);
}

.tutor-warning {
  color: var(--warn);
  display: block;
  margin-top: 0.35rem;
}

.tutor-error {
  color: var(--danger);
  font-size: 0.88rem;
  margin: 0 0 0.5rem;
}

.tutor-notice {
  color: var(--warn);
  font-size: 0.88rem;
  margin: 0 0 0.5rem;
}

.tutor-opening-message-wrap {
  grid-column: 1 / -1;
}

.tutor-opening-message-panel {
  margin-bottom: 0.25rem;
  padding: 1rem 1.15rem 1.1rem;
  border: 1px dashed rgba(96, 165, 250, 0.4);
  background: rgba(59, 130, 246, 0.07);
}

.tutor-opening-message-summary {
  font-weight: 800;
  cursor: pointer;
  color: #93c5fd;
}

.tutor-opening-message-hint {
  margin: 0.5rem 0 0.75rem;
  font-size: 0.85rem;
}

.tutor-api-debug-panel {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem 1.1rem;
  border: 1px dashed rgba(251, 191, 36, 0.45);
  background: rgba(251, 191, 36, 0.06);
}

.tutor-api-debug-summary {
  font-weight: 800;
  cursor: pointer;
  color: #fde68a;
}

.tutor-api-debug-intro {
  margin: 0.5rem 0 0.75rem;
  font-size: 0.85rem;
}

.tutor-api-debug-pre {
  margin: 0;
  padding: 0.85rem 1rem;
  max-height: min(55vh, 520px);
  overflow: auto;
  font-size: 0.72rem;
  line-height: 1.45;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  white-space: pre-wrap;
  word-break: break-word;
  color: #e2e8f0;
}

/* Jauge de progression séance tuteur (3 exercices) */
.lesson-progress {
  margin: 0.85rem 0 0;
  padding: 0.85rem 1rem 0.75rem;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.lesson-progress.is-complete {
  border-color: #bbf7d0;
  background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 100%);
}

.lesson-progress-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.85rem;
}

.lesson-progress-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #475569;
}

.lesson-progress-meter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.1rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #bfdbfe;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.08);
  font-size: 0.82rem;
  font-weight: 700;
  color: #64748b;
  line-height: 1;
}

.lesson-progress-fraction {
  font-size: 1.15rem;
  font-weight: 800;
  color: #1d4ed8;
}

.lesson-progress.is-complete .lesson-progress-fraction {
  color: #15803d;
}

.lesson-progress.is-complete .lesson-progress-meter {
  border-color: #86efac;
  background: #f0fdf4;
}

.lesson-progress-gauge {
  position: relative;
  padding: 14px 18px 6px;
}

.lesson-progress-gauge-track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: #e2e8f0;
  box-shadow: inset 0 1px 3px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.lesson-progress-gauge-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #22c55e 0%, #3b82f6 55%, #6366f1 100%);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.lesson-progress.is-complete .lesson-progress-gauge-fill {
  background: linear-gradient(90deg, #16a34a 0%, #22c55e 50%, #4ade80 100%);
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.4);
}

.lesson-progress-steps {
  position: absolute;
  top: 14px;
  left: 18px;
  right: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  height: 14px;
  pointer-events: none;
}

.lesson-progress-step {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lesson-progress-step:nth-child(1) {
  left: 0%;
}

.lesson-progress-step:nth-child(2) {
  left: 50%;
}

.lesson-progress-step:nth-child(3) {
  left: 100%;
}

.lesson-progress-token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: #cbd5e1;
  font-size: 0.82rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.lesson-progress-step.is-pending .lesson-progress-token {
  background: #94a3b8;
}

.lesson-progress-step.is-done .lesson-progress-token {
  background: linear-gradient(145deg, #22c55e 0%, #16a34a 100%);
  transform: scale(1);
}

.lesson-progress-step.is-current .lesson-progress-token {
  background: linear-gradient(145deg, #3b82f6 0%, #2563eb 100%);
  transform: scale(1.12);
  box-shadow:
    0 0 0 4px rgba(59, 130, 246, 0.22),
    0 3px 10px rgba(37, 99, 235, 0.35);
  animation: lesson-progress-pulse 1.8s ease-in-out infinite;
}

.lesson-progress.is-complete .lesson-progress-step.is-done .lesson-progress-token,
.lesson-progress.is-complete .lesson-progress-step.is-current .lesson-progress-token {
  background: linear-gradient(145deg, #22c55e 0%, #16a34a 100%);
  animation: none;
  transform: scale(1);
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.35);
}

@keyframes lesson-progress-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 4px rgba(59, 130, 246, 0.18),
      0 3px 10px rgba(37, 99, 235, 0.3);
  }
  50% {
    box-shadow:
      0 0 0 7px rgba(59, 130, 246, 0.1),
      0 3px 14px rgba(37, 99, 235, 0.45);
  }
}

.lesson-progress-labels {
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  margin: 0.15rem 18px 0;
  padding: 0;
  list-style: none;
}

.lesson-progress-label {
  flex: 1;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.25;
  color: #94a3b8;
  text-align: center;
  min-width: 0;
}

.lesson-progress-label:first-child {
  text-align: left;
}

.lesson-progress-label:last-child {
  text-align: right;
}

.lesson-progress-label.is-done {
  color: #15803d;
}

.lesson-progress-label.is-current {
  color: #1d4ed8;
}

.lesson-progress-status {
  margin: 0.55rem 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.35;
}

.lesson-progress.is-complete .lesson-progress-status {
  color: #166534;
}

@media (max-width: 520px) {
  .lesson-progress-label {
    font-size: 0.6rem;
  }

  .lesson-progress-token {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }
}

.tutor-token-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.tutor-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 8px;
  border: 1px solid transparent;
}

.tutor-badge--ok {
  background: rgba(62, 207, 142, 0.18);
  border-color: rgba(62, 207, 142, 0.35);
  color: #b8f5d8;
}

.tutor-badge--success {
  background: rgba(124, 108, 240, 0.22);
  border-color: rgba(124, 108, 240, 0.35);
  color: #ddd6ff;
}

.workspace-layout--gemini-only {
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
}

.workspace-layout--dual-course {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: none;
  margin: 0;
}

@media (max-width: 1100px) {
  .workspace-layout--dual-course {
    grid-template-columns: 1fr;
  }
}

.workspace-chat--course-panel {
  min-height: 400px;
}

.workspace-chat--disabled {
  opacity: 0.68;
  filter: grayscale(0.15);
}

.workspace-chat--primary {
  min-height: 440px;
}

@media (min-width: 720px) {
  .workspace-chat .chat-compose {
    flex-direction: row;
    align-items: flex-end;
    flex-wrap: wrap;
  }

  .workspace-chat .chat-compose .exercise-textarea {
    flex: 1 1 220px;
    min-width: 0;
  }

  .workspace-chat .chat-compose .btn-primary {
    flex: 0 0 auto;
    margin-left: auto;
  }
}

.tutor-readonly-banner {
  margin-bottom: 1rem;
  border: 1px solid rgba(62, 207, 142, 0.35);
  background: rgba(62, 207, 142, 0.08);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
}

.gemini-submissions-card {
  margin-top: 1.25rem;
}

.gemini-submission-block {
  margin-top: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem 0.65rem;
}

.gemini-submission-summary {
  cursor: pointer;
  font-size: 0.92rem;
  padding: 0.35rem 0;
}

.gemini-submission-date {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.85rem;
}

.gemini-transcript-pre {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  max-height: 360px;
  overflow-y: auto;
}

/* Retour professeur (atelier élève) */
.teacher-feedback-banner {
  margin-bottom: 1.25rem;
  border: 1px solid rgba(232, 197, 71, 0.35);
  background: linear-gradient(
    145deg,
    rgba(232, 197, 71, 0.12) 0%,
    rgba(94, 184, 232, 0.08) 100%
  );
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.teacher-feedback-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: #f5e6b3;
}

.teacher-feedback-meta {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.teacher-feedback-body {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
}

/* Formulaire prof : progression par bloc */
.prof-progress-cell {
  vertical-align: top;
  min-width: 220px;
  max-width: 320px;
}

.prof-progress-form {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.prof-field-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.prof-progress-select {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
}

.prof-progress-textarea {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.5rem 0.55rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  resize: vertical;
}

.prof-progress-textarea:focus,
.prof-progress-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-compact {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  align-self: flex-start;
}

.progress-raw-hint {
  margin-top: 0.45rem;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
}

.progress-feedback-cell {
  vertical-align: top;
  max-width: 260px;
  font-size: 0.86rem;
}

.progress-feedback-preview {
  margin: 0 0 0.45rem;
  color: var(--muted);
  line-height: 1.45;
}

.progress-feedback-link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.progress-feedback-link:hover {
  text-decoration: underline;
}

.progress-feedback-locked-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
}

main .alert:last-of-type {
  margin-bottom: 0;
}

main .alert-success,
.alert.alert-success {
  background: rgba(62, 207, 142, 0.12);
  border-color: rgba(62, 207, 142, 0.4);
  color: #b8f5d8;
}

/* ——— Gestion des comptes (admin portail) ——— */
.admin-users-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.admin-users-filters {
  margin-bottom: 1rem;
}

.admin-users-filters-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem 1rem;
  align-items: end;
}

@media (max-width: 720px) {
  .admin-users-filters-grid {
    grid-template-columns: 1fr;
  }
}

.admin-users-filters-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.admin-filter-submit,
.admin-users-filters-actions .btn-secondary {
  min-height: 2.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.btn-secondary {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--surface3);
  text-decoration: none;
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.admin-users-table-wrap {
  overflow-x: auto;
}

table.admin-users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.admin-users-table th,
table.admin-users-table td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

table.admin-users-table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.admin-users-row--inactive {
  opacity: 0.65;
}

.admin-users-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.admin-inline-form {
  display: inline;
  margin: 0;
}

.admin-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.32rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.admin-action-button:hover {
  background: var(--surface3);
  text-decoration: none;
}

.admin-action-button--edit {
  border-color: rgba(56, 189, 248, 0.25);
  color: #7dd3fc;
}

.admin-action-button--danger {
  border-color: rgba(251, 113, 133, 0.35);
  background: rgba(251, 113, 133, 0.1);
  color: #fda4af;
}

.admin-action-button--danger:hover {
  background: rgba(251, 113, 133, 0.16);
}

.admin-action-button--success {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.1);
  color: #86efac;
}

.admin-action-button--success:hover {
  background: rgba(52, 211, 153, 0.16);
}

.admin-role-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--surface3);
}

.admin-role-badge--student {
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
}

.admin-role-badge--teacher {
  background: rgba(167, 139, 250, 0.18);
  color: #c4b5fd;
}

.admin-role-badge--staff {
  background: rgba(244, 114, 182, 0.14);
  color: #f9a8d4;
}

.admin-status--active {
  color: var(--ok);
  font-weight: 700;
}

.admin-status--inactive {
  color: var(--muted);
  font-weight: 600;
}

.admin-user-form-card {
  max-width: 520px;
}

.admin-form-fieldset {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 0;
}

.admin-role-radios {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.admin-role-radio {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
}

.admin-form-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
}

.admin-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
}

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

/* ——— Page d’accueil (connexion) ——— */
.shell-landing {
  max-width: 960px;
}

.landing {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 8rem);
  padding: 1rem 0 2rem;
}

@media (max-width: 800px) {
  .landing {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

.landing-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.landing-title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  margin: 0 0 0.75rem;
  letter-spacing: -0.03em;
}

.landing-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36ch;
  line-height: 1.5;
}

.landing-auth-card {
  max-width: none;
  width: 100%;
}

.form-grid--landing {
  max-width: none;
}

/* ——— Portail admin (layout + formulaire compte) ——— */
.shell-admin .admin-portal {
  display: grid;
  grid-template-columns: minmax(200px, 240px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 860px) {
  .shell-admin .admin-portal {
    grid-template-columns: 1fr;
  }
}

.admin-portal-nav {
  position: sticky;
  top: 1rem;
  padding: 1rem 1.1rem;
}

.admin-portal-nav-title {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.admin-portal-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.admin-portal-nav-link {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.admin-portal-nav-link:hover {
  background: var(--surface3);
  text-decoration: none;
}

.admin-portal-nav-link--active {
  background: var(--accent-dim);
  color: var(--accent);
}

.admin-portal-nav-link--muted {
  color: var(--muted);
  font-weight: 500;
}

.admin-portal-nav-extra {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.admin-page-header {
  margin-bottom: 1.25rem;
}

.admin-page-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.admin-kpi-card {
  text-align: center;
  padding: 1rem;
}

.admin-kpi-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
}

.admin-kpi-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.admin-quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.admin-quick-action {
  display: block;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
}

.admin-quick-action:hover {
  border-color: rgba(56, 189, 248, 0.35);
  text-decoration: none;
}

.admin-quick-action .sub {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}

.admin-input,
.admin-user-form input[type="text"],
.admin-user-form input[type="email"],
.admin-user-form input[type="password"],
.admin-user-form select,
.admin-users-filters input,
.admin-users-filters select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
}

.admin-user-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
}

.admin-form-section {
  padding: 1.15rem 1.25rem;
}

.admin-form-section-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.admin-form-section-hint {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.admin-form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

@media (max-width: 560px) {
  .admin-form-grid-2 {
    grid-template-columns: 1fr;
  }
}

.admin-field--full {
  grid-column: 1 / -1;
}

.admin-field--highlight {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.admin-field-hint {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.admin-form-errors {
  margin-bottom: 1rem;
}

.admin-role-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.65rem;
}

.admin-role-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 0.9rem 0.85rem 2.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.admin-role-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.admin-role-card--selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.admin-role-card--disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.admin-role-radio-input {
  position: absolute;
  left: 0.85rem;
  top: 1rem;
  margin: 0;
}

.admin-role-card-label {
  font-weight: 700;
}

.admin-role-card-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.admin-form-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  padding-top: 0.25rem;
}

/* Styles dédiés à /gestion/comptes/ (placés en fin de fichier pour éviter les overrides). */
.admin-users-filters .admin-users-filters-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.admin-users-filters .admin-search-button,
.admin-users-filters .admin-reset-button {
  min-height: 2.55rem;
  padding: 0 1.05rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.admin-users-filters .admin-search-button {
  border: 0;
  background: linear-gradient(125deg, var(--accent) 0%, var(--accent2) 58%, var(--accent-hot) 100%);
  color: #07101a;
  box-shadow: 0 10px 26px rgba(56, 189, 248, 0.18);
}

.admin-users-filters .admin-search-button:hover {
  filter: brightness(1.08);
  box-shadow: 0 14px 32px rgba(56, 189, 248, 0.26);
}

.admin-users-filters .admin-reset-button {
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(24, 34, 54, 0.92);
  color: var(--text);
}

.admin-users-filters .admin-reset-button:hover {
  background: rgba(31, 45, 68, 0.98);
  border-color: rgba(148, 163, 184, 0.42);
  text-decoration: none;
}

.admin-users-table .admin-users-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: nowrap;
}

.admin-users-table .admin-inline-form {
  display: inline-flex;
  margin: 0;
}

.admin-users-table .admin-account-action {
  min-height: 2rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.admin-users-table .admin-account-action--edit {
  border-color: rgba(56, 189, 248, 0.28);
  background: rgba(56, 189, 248, 0.1);
  color: #7dd3fc;
}

.admin-users-table .admin-account-action--edit:hover {
  background: rgba(56, 189, 248, 0.17);
  text-decoration: none;
}

.admin-users-table .admin-account-action--deactivate {
  border-color: rgba(251, 113, 133, 0.32);
  background: rgba(251, 113, 133, 0.1);
  color: #fda4af;
}

.admin-users-table .admin-account-action--deactivate:hover {
  background: rgba(251, 113, 133, 0.18);
}

.admin-users-table .admin-account-action--activate {
  border-color: rgba(52, 211, 153, 0.32);
  background: rgba(52, 211, 153, 0.1);
  color: #86efac;
}

.admin-users-table .admin-account-action--activate:hover {
  background: rgba(52, 211, 153, 0.18);
}

/* ——— Modale de confirmation ——— */
body.confirm-modal-open {
  overflow: hidden;
}

.confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.24s ease,
    visibility 0.24s ease;
}

.confirm-modal[hidden] {
  display: none !important;
}

.confirm-modal--open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.confirm-modal__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(56, 189, 248, 0.08) 0%, transparent 55%),
    rgba(4, 8, 14, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.confirm-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 26rem);
  padding: 1.65rem 1.55rem 1.4rem;
  border-radius: var(--radius);
  text-align: center;
  background: linear-gradient(
    155deg,
    rgba(32, 42, 60, 0.98) 0%,
    rgba(15, 22, 34, 0.99) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    var(--shadow-lift),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transform: scale(0.92) translateY(14px);
  opacity: 0;
  transition:
    transform 0.28s cubic-bezier(0.34, 1.45, 0.64, 1),
    opacity 0.24s ease;
}

.confirm-modal--open .confirm-modal__panel {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.confirm-modal__glow {
  position: absolute;
  top: -40%;
  left: 50%;
  width: 120%;
  height: 80%;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse at center,
    rgba(251, 113, 133, 0.14) 0%,
    transparent 68%
  );
  pointer-events: none;
}

.confirm-modal__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(
    145deg,
    rgba(251, 113, 133, 0.22) 0%,
    rgba(244, 114, 182, 0.1) 100%
  );
  border: 1px solid rgba(251, 113, 133, 0.35);
  box-shadow: 0 8px 24px rgba(251, 113, 133, 0.12);
  color: #fda4af;
}

.confirm-modal__icon {
  width: 1.45rem;
  height: 1.45rem;
}

.confirm-modal__title {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text);
}

.confirm-modal__message {
  margin: 0 0 1.35rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

.confirm-modal__actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.55rem;
}

@media (min-width: 400px) {
  .confirm-modal__actions {
    flex-direction: row;
    justify-content: center;
  }
}

.confirm-modal__btn {
  flex: 1 1 auto;
  min-width: 0;
  border-radius: 999px;
  padding: 0.58rem 1.1rem;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  font-family: inherit;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.12s ease;
}

.confirm-modal__btn:active {
  transform: scale(0.98);
}

.confirm-modal__btn--cancel {
  border: 1px solid var(--border-subtle);
  background: var(--surface2);
  color: var(--text);
}

.confirm-modal__btn--cancel:hover {
  background: var(--surface3);
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-danger {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(125deg, #fb7185 0%, #f472b6 55%, #e879f9 100%);
  color: #1a0a12;
  font-weight: 700;
  cursor: pointer;
  font: inherit;
}

.btn-danger:hover {
  filter: brightness(1.06);
  box-shadow: 0 8px 28px rgba(251, 113, 133, 0.28);
}

.confirm-modal__btn--ok {
  border: none;
  color: #1a0a12;
  box-shadow: 0 4px 18px rgba(251, 113, 133, 0.22);
}