:root {
  --bg: #08080d;
  --bg-alt: #0d0d16;
  --surface: #14141e;
  --surface-2: #1b1b28;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4f9;
  --text-soft: #a2a5b8;
  --text-muted: #6b6e80;
  --violet: #7c5cff;
  --orange: #ff6b4a;
  --alert: #ff4d6d;
  --alert-soft: rgba(255, 77, 109, 0.14);
  --ok: #3ddc97;
  --gradient: linear-gradient(135deg, var(--violet) 0%, var(--orange) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(124, 92, 255, 0.16), rgba(255, 107, 74, 0.16));
  --radius: 22px;
  --shadow: 0 24px 60px -24px rgba(124, 92, 255, 0.45);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  position: relative;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.12;
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.2vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }

.grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

p { margin: 0 0 1em; color: var(--text-soft); }

a { color: inherit; }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(8, 8, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav {
  display: flex;
  gap: 26px;
  white-space: nowrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

.main-nav a:hover { color: var(--text); }

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 26px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn[hidden] { display: none; }

.btn-primary {
  background: var(--gradient);
  color: #0a0a12;
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-outline:hover { border-color: var(--violet); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
  padding: 10px 20px;
}

.btn-ghost:hover { border-color: var(--violet); }

.btn-lg { padding: 17px 34px; font-size: 1rem; }

.btn-block { width: 100%; }

/* Hero */

.hero {
  padding: 108px 0 72px;
  overflow: hidden;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: -240px;
  left: 50%;
  width: 900px;
  height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(124, 92, 255, 0.35), rgba(255, 107, 74, 0.16) 55%, transparent 75%);
  filter: blur(10px);
  pointer-events: none;
}

.hero-inner { max-width: 760px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.12rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 32px 0 20px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Portail de connexion (page d'accueil) */

.portal {
  padding: 108px 0 96px;
  overflow: hidden;
  position: relative;
}

.portal-inner {
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
}

.portal-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}

.portal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.15s ease;
}

.portal-card:focus-within,
.portal-card:hover {
  border-color: var(--border-strong);
}

.portal-card h2 { margin: 0; font-size: 1.4rem; }

.portal-card p { margin: 0; color: var(--text-soft); }

.code-inputs {
  display: flex;
  gap: 12px;
}

.code-digit {
  width: 56px;
  height: 64px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
}

.code-digit:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

.code-status {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ok);
  font-weight: 700;
}

.code-status.is-error {
  color: var(--orange);
}

.portal-card .portal-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.portal-note a { color: var(--text); font-weight: 700; }

/* Constat band */

.constat {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}

.constat-text {
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 600;
  max-width: 780px;
  margin: 0;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

/* Comment */

.comment { padding: 88px 0; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.step:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.step-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}

.step p { margin: 0; font-size: 0.9rem; }

/* Pour qui */

.pour-qui { padding: 88px 0; background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.pour-qui-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 16px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 1.02rem;
  color: var(--text);
  font-weight: 500;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gradient);
}

.pour-qui-card {
  background: var(--gradient);
  color: #0a0a12;
  border-radius: var(--radius);
  padding: 32px;
}

.card-kicker {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #0a0a12;
  margin-bottom: 10px;
}

.card-text { color: rgba(10, 10, 18, 0.78); margin: 0; font-weight: 500; }

/* Equipe */

.equipe { padding: 88px 0; }

.equipe-lead { max-width: 520px; }

.equipe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.equipe-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--surface);
}

.equipe-card p { margin: 0; }

/* Rejoindre */

.rejoindre {
  background: var(--gradient);
  padding: 88px 0;
  text-align: center;
}

.rejoindre-inner { max-width: 620px; margin: 0 auto; }

.rejoindre h2 { color: #0a0a12; }

.rejoindre p { color: rgba(10, 10, 18, 0.78); }

.rejoindre .btn-primary {
  margin-top: 12px;
  background: #0a0a12;
  color: #fff;
}

/* Footer */

.site-footer {
  padding: 40px 0 calc(40px + env(safe-area-inset-bottom));
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-inner p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

.footer-inner a { color: var(--text); text-decoration: none; font-weight: 700; }

/* Modal */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 4, 8, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.6);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: none;
  background: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-soft);
}

.modal-note {
  font-size: 0.85rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text-soft);
}

#loginForm { display: flex; flex-direction: column; gap: 6px; }

#loginForm label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 8px;
}

#loginForm input {
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--text);
}

#loginForm input::placeholder { color: var(--text-muted); }

#loginForm input:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

#loginForm .btn { margin-top: 18px; }

.modal-status {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--orange);
  font-weight: 700;
}

/* Responsive */

@media (max-width: 860px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pour-qui-inner { grid-template-columns: 1fr; }
  .equipe-grid { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .btn-ghost { display: none; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 18px;
  }

  .header-actions.nav-open .btn-ghost {
    display: inline-flex;
  }

  .header-actions.nav-open .btn-ghost[hidden] {
    display: none;
  }
}

@media (max-width: 680px) {
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 48px; }
  .portal { padding: 72px 0 48px; }
  .portal-card { padding: 24px; }
  .code-inputs { gap: 8px; }
  .code-digit { flex: 1; width: auto; height: 56px; font-size: 1.4rem; }
}

/* Dashboard (espace élève) */

.dash-body { background: var(--bg); }

.dash-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(8, 8, 13, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top);
}

.dash-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}

.dash-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  margin-left: 24px;
}

.dash-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  color: #0a0a12;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dash-user-name {
  margin: 0;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text);
}

.dash-user-meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dashboard {
  padding: 40px 24px 88px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.dashboard h2 {
  font-size: 1.2rem;
  margin: 0 0 18px;
}

.dash-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.dash-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
}

.fiche-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.fiche-list > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.fiche-list > div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.fiche-list dt {
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.fiche-list dd {
  margin: 0;
  text-align: right;
  font-weight: 600;
  color: var(--text);
  font-size: 0.92rem;
  max-width: 60%;
}

.total-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.total-label {
  margin: 0 0 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.total-ring {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: conic-gradient(var(--violet) calc(var(--pct) * 1%), var(--surface-2) 0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.total-ring::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--surface);
}

.total-ring span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text);
}

.total-note {
  margin: 18px 0 0;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.agenda-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.agenda-day {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 16px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.agenda-day:hover { transform: translateY(-2px); }

.agenda-day.is-today {
  border-color: rgba(124, 92, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(124, 92, 255, 0.25), 0 16px 32px -20px rgba(124, 92, 255, 0.6);
}

.agenda-day-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.agenda-day-date {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: normal;
}

.is-today .agenda-day-label { color: var(--text); }

.is-today .agenda-day-date { color: var(--violet); }

.agenda-timeline {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.agenda-timeline-block {
  position: absolute;
  top: -1px;
  bottom: -1px;
  border-radius: 999px;
  background: var(--border-strong);
}

.agenda-timeline-block.maths {
  background: var(--gradient);
  box-shadow: 0 0 14px rgba(124, 92, 255, 0.6);
}

.agenda-timeline-block.geo {
  background: var(--ok);
  box-shadow: 0 0 14px rgba(61, 220, 151, 0.55);
}

.agenda-timeline-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  color: var(--text-muted);
  font-weight: 600;
}

.agenda-session {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.agenda-session-line {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border);
}

.agenda-session-line:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.agenda-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

.agenda-subject {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.agenda-subject.maths {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.agenda-subject.geo { color: var(--ok); }

.agenda-slot-empty .agenda-time { color: var(--text-muted); }

.cours-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cours-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.cours-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.cours-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cours-head h3 { margin: 0; font-size: 0.98rem; }

.cours-pct {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--orange);
  font-size: 0.95rem;
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: var(--gradient);
  border-radius: 999px;
}

.cours-meta {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.evo-sub {
  margin: -12px 0 20px;
  font-size: 0.85rem;
}

.evo-chart {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  height: 160px;
}

.evo-bar {
  flex: 1;
  background: var(--gradient);
  border-radius: 10px 10px 4px 4px;
  position: relative;
  min-height: 6px;
}

.evo-value {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-soft);
}

.evo-labels {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}

.evo-labels span {
  flex: 1;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .dash-top { grid-template-columns: 1fr; }
  .cours-grid { grid-template-columns: repeat(2, 1fr); }
  .agenda-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .dash-user-text { display: none; }
  .cours-grid { grid-template-columns: 1fr; }
  .agenda-grid { grid-template-columns: 1fr; }
  .fiche-list dd { text-align: left; }
  .fiche-list > div { flex-direction: column; gap: 4px; }
}

/* Suivi du temps */

.suivi-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 28px;
}

.suivi-stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.suivi-stat-value {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
}

.suivi-stat-label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.suivi-stat-alert {
  border-color: rgba(255, 77, 109, 0.4);
  background: var(--alert-soft);
}

.suivi-stat-alert .suivi-stat-value { color: var(--alert); }

.log-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-row {
  display: grid;
  grid-template-columns: 130px 1.8fr 90px 90px 70px 90px 110px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid transparent;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.log-head {
  background: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  padding: 0 14px;
}

.log-title { color: var(--text); font-weight: 600; }

.log-row-alert {
  border-color: rgba(255, 77, 109, 0.4);
  background: var(--alert-soft);
}

.log-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4px 10px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-soft);
  width: fit-content;
}

.log-tag.maths { color: #b9a9ff; border-color: rgba(124, 92, 255, 0.5); }
.log-tag.geo { color: #ffb199; border-color: rgba(255, 107, 74, 0.5); }

.log-status {
  display: inline-flex;
  justify-content: center;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  width: fit-content;
}

.log-status.ok {
  color: var(--ok);
  background: rgba(61, 220, 151, 0.12);
}

.log-status.alert {
  color: var(--alert);
  background: rgba(255, 77, 109, 0.16);
}

.log-row.has-delete {
  grid-template-columns: 130px 1.8fr 90px 90px 70px 90px 110px 32px;
}

.log-delete-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  justify-self: end;
}

.log-delete-btn:hover {
  color: var(--alert);
  border-color: var(--alert);
}

.results-row {
  display: grid;
  grid-template-columns: 130px 1.8fr 120px 100px 110px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid transparent;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.results-head {
  background: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  padding: 0 14px;
}

@media (max-width: 860px) {
  .suivi-stats { grid-template-columns: 1fr; }

  .log-table { gap: 12px; }

  .log-head, .results-head { display: none; }

  .log-row {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "tag status"
      "title title"
      "start end"
      "active idle";
    row-gap: 8px;
  }

  .log-row .log-tag { grid-area: tag; }
  .log-row .log-status { grid-area: status; justify-self: end; }
  .log-row .log-title { grid-area: title; }
  .log-row span:nth-child(3) { grid-area: start; }
  .log-row span:nth-child(4) { grid-area: end; }
  .log-row span:nth-child(5) { grid-area: active; }
  .log-row span:nth-child(6) { grid-area: idle; }

  .log-row.has-delete {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "tag status"
      "title title"
      "start end"
      "active idle"
      "delete delete";
  }

  .log-row.has-delete .log-delete-btn { grid-area: delete; }

  .results-row {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "tag status"
      "title title"
      "score attempts";
    row-gap: 8px;
  }

  .results-row .log-tag { grid-area: tag; }
  .results-row .log-status { grid-area: status; justify-self: end; }
  .results-row .log-title { grid-area: title; }
  .results-row span:nth-child(3) { grid-area: score; }
  .results-row span:nth-child(4) { grid-area: attempts; }
}

/* Menu matières (course-nav) */

.course-nav {
  position: sticky;
  top: 72px;
  z-index: 20;
  background: rgba(13, 13, 22, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.course-nav-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}

.course-tab {
  flex-shrink: 0;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.course-tab:hover { color: var(--text); background: var(--surface-2); }

.course-tab.active {
  color: #0a0a12;
  background: var(--gradient);
  font-weight: 700;
}

/* Page cours */

.course-head-card { padding: 28px; }

.course-head-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.course-title {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.course-head-pct {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
}

.course-progress { height: 10px; margin-bottom: 12px; }

.course-head-meta { margin: 0; color: var(--text-soft); font-size: 0.9rem; }

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

.chapter-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-2);
  border: 1px solid transparent;
}

.chapter-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 28px;
  flex-shrink: 0;
}

.chapter-title {
  flex: 1;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.chapter-badge {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.chapter-row.done .chapter-badge {
  color: var(--violet);
  background: rgba(124, 92, 255, 0.14);
}

.chapter-row.done .chapter-num { color: var(--violet); }

.chapter-row.todo { opacity: 0.55; }

.chapter-row.todo .chapter-badge {
  color: var(--text-muted);
  background: var(--surface);
}

.chapter-row.current {
  border-color: rgba(124, 92, 255, 0.5);
  background: var(--gradient-soft);
}

.chapter-row.current .chapter-badge {
  color: #0a0a12;
  background: var(--gradient);
}

.chapter-group-title {
  margin: 28px 0 4px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.chapter-group-title:first-child { margin-top: 0; }

.chapter-empty-state {
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

.chapter-empty-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
}

.chapter-empty-text {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  max-width: 440px;
  margin-inline: auto;
}

.uaa-row .chapter-num { width: auto; padding-right: 10px; white-space: nowrap; }

.module-sub-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 8px 0 4px 20px;
  padding-left: 16px;
  border-left: 2px solid var(--border-strong);
}

.module-sub-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
  transition: border-color 0.15s ease;
}

.module-sub-link:hover { border-color: var(--border-strong); }

.module-sub-link .chapter-badge {
  color: var(--violet);
  background: rgba(124, 92, 255, 0.14);
}

.chapter-continue {
  flex-shrink: 0;
  padding: 8px 18px;
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .course-head-top { flex-direction: column; }
  .chapter-title { font-size: 0.88rem; }
  .chapter-row { flex-wrap: wrap; }
}

/* Module (pilote) */

.module-progress {
  position: sticky;
  top: 72px;
  z-index: 20;
  background: rgba(13, 13, 22, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.module-progress-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}

.mp-step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 8px 16px 8px 8px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.mp-step:hover { color: var(--text); background: var(--surface-2); }

.mp-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-soft);
  flex-shrink: 0;
}

.module-main { padding-top: 40px; }

.module-hero { text-align: left; }

.module-hero-lead { max-width: 640px; margin: 0; }

.module-section { scroll-margin-top: 150px; }

.module-tag {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.tag-rappel { background: var(--surface-2); color: var(--text-soft); border: 1px solid var(--border-strong); }
.tag-theorie { background: var(--gradient-soft); color: var(--violet); }
.tag-flash { background: rgba(61, 220, 151, 0.12); color: var(--ok); }
.tag-exercices { background: rgba(255, 107, 74, 0.14); color: var(--orange); }
.tag-examen { background: rgba(255, 77, 109, 0.14); color: var(--alert); }

/* Formules (rappel) */

.formula-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 28px;
}

.formula-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
}

.formula-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.formula-def { font-size: 0.85rem; color: var(--text-soft); }

/* Guide de choix d'outil (triangle quelconque) */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 28px;
}

.tool-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.tool-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.tool-formula {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--violet);
  margin-bottom: 10px;
}

.tool-when {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-soft);
}

.tool-when strong { color: var(--text); }

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

/* QCM */

.qcm-block {
  margin: 24px 0;
  padding: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.qcm-question { font-weight: 700; color: var(--text); margin: 0 0 14px; }

.qcm-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.qcm-option {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.qcm-option:hover { border-color: var(--violet); }

.qcm-option.correct { background: rgba(61, 220, 151, 0.16); border-color: var(--ok); color: var(--ok); }

.qcm-option.incorrect { background: var(--alert-soft); border-color: var(--alert); color: var(--alert); }

.qcm-option[disabled] { cursor: default; }

.qcm-feedback {
  margin: 14px 0 0;
  font-size: 0.85rem;
  font-weight: 700;
}

.qcm-feedback.is-correct { color: var(--ok); }
.qcm-feedback.is-incorrect { color: var(--alert); }

.text-answer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.text-answer-input {
  flex: 1 1 200px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
}

.text-answer-input:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

.text-answer-input.correct { background: rgba(61, 220, 151, 0.16); border-color: var(--ok); color: var(--ok); }
.text-answer-input.incorrect { background: var(--alert-soft); border-color: var(--alert); color: var(--alert); }
.text-answer-input[disabled] { cursor: default; }

/* Théorie / infographie */

.theorie-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 20px;
}

.svg-wrap { background: var(--surface-2); border-radius: var(--radius); padding: 16px; border: 1px solid var(--border); }

.svg-wrap-compact { max-width: 320px; margin-inline: auto; }

.trig-svg { width: 100%; height: auto; display: block; }

.svg-caption { margin: 10px 0 0; text-align: center; font-size: 0.82rem; color: var(--text-muted); }

.theorie-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.theorie-list li {
  font-size: 0.95rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}

.theorie-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.highlight-box {
  background: var(--gradient-soft);
  border: 1px solid rgba(124, 92, 255, 0.4);
  border-radius: 14px;
  padding: 18px 20px;
}

.highlight-title { margin: 0 0 6px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--violet); font-weight: 700; }

.highlight-formula { margin: 0 0 8px; font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--text); }

.highlight-note { margin: 0; font-size: 0.85rem; color: var(--text-soft); }

/* Exemples résolus */

.worked-example {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 20px 0;
}

.we-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--orange);
}

.we-statement { margin: 0 0 14px; color: var(--text); }

.we-steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.we-steps li { color: var(--text-soft); font-size: 0.92rem; }

.we-steps strong { color: var(--text); }

/* Anecdotes et moyens mnémotechniques */

.anecdote-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
}

.mnemo-box {
  background: var(--gradient-soft);
  border: 1px solid rgba(124, 92, 255, 0.4);
  border-left: 3px solid var(--violet);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
}

.anecdote-title,
.mnemo-title {
  margin: 0 0 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.anecdote-title { color: var(--orange); }
.mnemo-title { color: var(--violet); }

.anecdote-box p:last-child,
.mnemo-box p:last-child { margin: 0; }

.anecdote-box p,
.mnemo-box p { color: var(--text-soft); font-size: 0.92rem; }

.mnemo-box strong { color: var(--text); }

/* Bouton "petit bonhomme" : lecture a voix haute d'une question ou d'une
   explication (voir script.js, initSpeakButtons). */

.speak-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-soft);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.speak-btn:hover { background: var(--surface); color: var(--text); }

.speak-btn svg { width: 16px; height: 16px; fill: currentColor; }

.speak-btn.is-speaking {
  background: var(--violet);
  border-color: var(--violet);
  color: #fff;
}

.speak-btn.is-speaking svg { animation: speak-pulse 1s ease-in-out infinite; }

@keyframes speak-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.speak-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.speak-row > p { margin: 0; flex: 1; }

.speak-box-anchor { position: relative; padding-right: 50px; }

.speak-box-anchor > .speak-btn { position: absolute; top: 14px; right: 14px; }

/* Carte de formule (revision de bilan) : texte centre, le bouton flottant
   casserait la symetrie, on le repose sous le texte a la place. */
.formula-card.speak-box-anchor {
  position: static;
  padding-right: 18px;
}

.formula-card.speak-box-anchor > .speak-btn {
  position: static;
  margin: 10px auto 0;
}

/* Espace parent : palette et grille editable */

.parent-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 4px;
}

.parent-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #0a0a12;
  cursor: grab;
  user-select: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.parent-chip:active { cursor: grabbing; }

.parent-chip:hover { transform: translateY(-2px); }

.parent-chip.is-selected {
  border-color: var(--text);
  transform: translateY(-2px);
}

.parent-chip.maths { background: var(--gradient); }
.parent-chip.geo { background: var(--ok); }

/* Matiere dynamique (generee a partir de PDF, ex. Histoire) : pas de
   couleur dediee comme maths/geo, mais il lui faut un fond, sinon le
   texte (couleur sombre, prevue pour les fonds colores ci-dessus) se
   retrouve illisible sur le fond sombre de la carte. */
.parent-chip.dynamic {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.parent-chip.effacer {
  background: var(--surface);
  color: var(--text);
  border: 1px dashed var(--border-strong);
}

.parent-palette-note {
  margin: 0 0 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.parent-settings {
  margin: 0 0 20px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
}

.parent-settings-title {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--text-soft);
  font-weight: 600;
}

.parent-settings-days {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.parent-settings-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.parent-settings-day label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.parent-settings-day input[type="number"] {
  width: 56px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  text-align: center;
}

.parent-settings-status {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ok);
}

.parent-settings-status.is-error {
  color: var(--alert);
}

.parent-save-status {
  margin: 0 0 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ok);
}

.parent-schedule-wrap {
  overflow-x: auto;
}

.parent-schedule {
  display: grid;
  grid-template-columns: 64px repeat(5, 1fr);
  gap: 8px;
  min-width: 560px;
}

.parent-schedule-head {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  padding-bottom: 4px;
}

.parent-day-count {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: normal;
  color: var(--violet);
}

.parent-schedule-time {
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.parent-cell {
  min-height: 60px;
  border-radius: 12px;
  border: 1px dashed var(--border-strong);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: border-color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

.parent-cell:hover { transform: translateY(-2px); }

.parent-cell.is-dragover {
  border-color: var(--violet);
  background: var(--gradient-soft);
}

.parent-cell.is-filled {
  border-style: solid;
  border-color: var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
}

.parent-cell.maths { background: var(--gradient); border-color: transparent; color: #0a0a12; }
.parent-cell.geo { background: var(--ok); border-color: transparent; color: #0a0a12; }

/* Verrouillage de progression */

.exam-locked-note {
  background: var(--alert-soft);
  border: 1px solid rgba(255, 77, 109, 0.35);
  border-radius: 14px;
  padding: 16px 18px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 20px 0;
}

/* Chrono des examens finaux */

.exam-timer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  margin: 20px 0;
}

.exam-timer-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.exam-timer-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}

.exam-timer-display {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

.exam-timer-display.is-urgent { color: var(--orange); }

.exam-timer-display.is-expired { color: var(--alert); }

/* Note de fin de module */

.next-module-note {
  background: var(--surface-2);
  border: 1px dashed var(--border-strong);
}

.next-module-note p:last-child { margin: 0; color: var(--text-soft); }

/* Flashcards */

.flashcard-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.flashcard {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  height: 150px;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
}

.flashcard-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  color: var(--text);
  padding: 8px;
  transition: opacity 0.2s ease;
}

.flashcard-front {
  background: var(--surface-2);
  font-family: var(--font-display);
  font-size: 1.3rem;
  opacity: 1;
}

.flashcard-back {
  background: var(--gradient);
  color: #0a0a12;
  font-size: 0.85rem;
  line-height: 1.4;
  opacity: 0;
}

.flashcard[data-flipped="true"] .flashcard-front { opacity: 0; }
.flashcard[data-flipped="true"] .flashcard-back { opacity: 1; }

/* Examen */

.exam-question {
  margin: 0 0 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.exam-q-text { font-weight: 700; color: var(--text); margin: 0 0 12px; }

.exam-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  font-size: 0.9rem;
  color: var(--text-soft);
  cursor: pointer;
}

.exam-option input { accent-color: var(--violet); width: 16px; height: 16px; }

.exam-text-input {
  width: 100%;
  max-width: 320px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.exam-text-input:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

.exam-result {
  margin-top: 24px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  text-align: center;
}

.exam-result-score {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.exam-result-score.pass { color: var(--ok); }
.exam-result-score.fail { color: var(--alert); }

.exam-result-message { margin: 0 0 20px; color: var(--text-soft); }

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

@media (max-width: 860px) {
  .theorie-layout { grid-template-columns: 1fr; }
  .flashcard-grid { grid-template-columns: repeat(3, 1fr); }
  .formula-grid { grid-template-columns: 1fr; }
}

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

/* Mini-graphiques (fonctions de reference) */

.mini-graph-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.mini-graph-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}

.mini-graph-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 8px;
}

.mini-graph-svg {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 10px;
}

.mini-graph-props {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  display: grid;
  gap: 4px;
}

.mini-graph-props li {
  font-size: 0.78rem;
  color: var(--text-soft);
}

@media (max-width: 860px) {
  .mini-graph-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .mini-graph-grid { grid-template-columns: 1fr; }
}

/* Tuteur IA vocal (bouton flottant + panneau, pages de module) */

.tutor-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--gradient);
  box-shadow: var(--shadow);
  font-size: 1.6rem;
  cursor: pointer;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tutor-panel[hidden] {
  display: none;
}

.tutor-panel {
  position: fixed;
  right: 20px;
  bottom: 90px;
  width: min(360px, calc(100vw - 40px));
  max-height: min(520px, calc(100vh - 140px));
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  box-shadow: var(--shadow);
  z-index: 60;
  overflow: hidden;
}

.tutor-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--gradient-soft);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
}

.tutor-close {
  background: none;
  border: none;
  color: var(--text-soft);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.tutor-log {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 160px;
}

.tutor-msg {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.4;
  max-width: 90%;
}

.tutor-msg-bot {
  background: var(--surface-2);
  color: var(--text-soft);
  align-self: flex-start;
}

.tutor-msg-user {
  background: var(--gradient);
  color: #fff;
  align-self: flex-end;
  font-weight: 600;
}

.tutor-msg-error {
  background: var(--alert-soft);
  color: var(--alert);
  align-self: center;
}

.tutor-thinking {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 14px 16px;
}

.tutor-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: tutorBounce 1s ease-in-out infinite;
}

.tutor-dot:nth-child(2) { animation-delay: 0.15s; }
.tutor-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes tutorBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.tutor-audio-msg {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tutor-audio-icon {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 18px;
  flex-shrink: 0;
}

.tutor-audio-icon .tutor-bar {
  width: 3px;
  height: 6px;
  border-radius: 2px;
  background: var(--gradient);
}

.tutor-audio-msg.is-playing .tutor-bar {
  animation: tutorWave 0.9s ease-in-out infinite;
}

.tutor-audio-msg.is-playing .tutor-bar:nth-child(2) { animation-delay: 0.15s; }
.tutor-audio-msg.is-playing .tutor-bar:nth-child(3) { animation-delay: 0.3s; }

@keyframes tutorWave {
  0%, 100% { height: 6px; }
  50% { height: 18px; }
}

.tutor-audio-label {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.tutor-replay-btn {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.75rem;
  cursor: pointer;
}

.tutor-replay-btn:hover {
  color: var(--text);
  border-color: var(--violet);
}

.tutor-controls {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
  margin: 0;
}

.tutor-input-row {
  display: flex;
  gap: 8px;
}

.tutor-input {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
}

.tutor-input:disabled {
  opacity: 0.6;
}

.tutor-send-btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
}

.tutor-status {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 480px) {
  .tutor-panel {
    right: 16px;
    left: 16px;
    width: auto;
    bottom: 86px;
  }
}

/* Ajout d'une matiere dynamique (import de PDF), espace parent */

#newCourseForm {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 480px;
}

.new-course-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.new-course-field label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.new-course-field input[type="text"],
.new-course-field input[type="file"],
.new-course-field select,
.new-course-field textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}

.new-course-field input[type="text"]:focus,
.new-course-field select:focus,
.new-course-field textarea:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

#newCourseForm .btn,
#newExerciseForm .btn {
  align-self: flex-start;
}

#newExerciseForm {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 480px;
}

.new-course-status {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ok);
}

.new-course-status.is-error {
  color: var(--alert);
}

.new-course-progress-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.new-course-progress-item {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.new-course-progress-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin-bottom: 8px;
}

.new-course-progress-head strong {
  font-size: 0.95rem;
}

.new-course-progress-head span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.new-course-delete-btn {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.76rem;
  cursor: pointer;
}

.new-course-delete-btn:hover {
  color: var(--alert);
  border-color: var(--alert);
}

.new-course-progress-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.new-course-progress-bar span {
  display: block;
  height: 100%;
  background: var(--gradient);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.new-course-progress-item.is-failed .new-course-progress-bar span {
  background: var(--alert);
}

/* Pendant la planification, le pourcentage reel n'est pas encore connu
   (0 module sur 0) : une barre figee a 0% donnerait l'impression que
   rien ne se passe, alors que Claude est en train de lire les PDF. Un
   segment anime qui parcourt la barre montre que le travail continue. */
.new-course-progress-item.is-indeterminate .new-course-progress-bar {
  position: relative;
}

.new-course-progress-item.is-indeterminate .new-course-progress-bar span {
  width: 30% !important;
  position: absolute;
  animation: newCourseIndeterminate 1.4s ease-in-out infinite;
}

@keyframes newCourseIndeterminate {
  0% { left: -30%; }
  100% { left: 100%; }
}

/* Recap du programme extrait avant lancement de la generation, et chrono
   pendant la generation (creation de cours / ajout de matiere) */

.generation-recap {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.generation-recap-group { margin: 0 0 10px; }

.generation-recap-title {
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}

.generation-recap-group ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.generation-recap-total {
  margin: 10px 0 12px;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.generation-timer {
  margin: 10px 0 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--violet);
}

/* Liste des exercices ponctuels demandes, cote eleve (espace-eleve.html) */

.custom-exercise-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.custom-exercise-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.custom-exercise-item strong {
  font-size: 0.92rem;
}

.custom-exercise-subject {
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.custom-exercise-item .btn {
  margin-left: auto;
}