/*
 * Léon — Studio pédagogique
 * Fichier : assets/css/app.css — charte graphique commune (élèves, visiteurs, administration)
 * Version : 3.0.0 (2026-10-07)
 * © 2026 Émile et Léon SNYERS — tous droits réservés (licence à préciser avant diffusion)
 *
 * Tous les paramètres visuels sont des variables CSS (:root). Un thème
 * (app/lib/themes.php) remplace ces variables sans toucher aux composants.
 * Polices : Libre Franklin (titres) et Atkinson Hyperlegible (texte), hébergées
 * sur le site (licence SIL OFL 1.1, voir assets/fonts).
 *
 * Version 3.0.0 : le site occupe toute la largeur de l'écran (marges qui s'adaptent), texte un peu
 * plus grand sur les grands écrans, blocs à la hauteur de leur contenu, trois dispositions
 * (ordinateur, tablette : deux blocs par ligne, téléphone : une colonne), groupes, cadres et accents.
 */

/* ---------- Polices (hébergées localement : aucune requête vers un service tiers) ---------- */
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/libre-franklin-latin-600-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/libre-franklin-latin-700-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 800; font-display: swap; src: url(../fonts/libre-franklin-latin-800-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/libre-franklin-latin-ext-600-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/libre-franklin-latin-ext-700-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Libre Franklin'; font-style: normal; font-weight: 800; font-display: swap; src: url(../fonts/libre-franklin-latin-ext-800-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-400-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-700-normal.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 400; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-400-italic.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 700; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-700-italic.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-ext-400-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-ext-700-normal.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 400; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-ext-400-italic.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: italic; font-weight: 700; font-display: swap; src: url(../fonts/atkinson-hyperlegible-latin-ext-700-italic.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* ---------- Variables de la charte (chapitre 6 du cahier des charges) ---------- */
:root {
  --c-title: #1F3A6B;          /* titres et structure */
  --c-accent: #1E5BD7;         /* actions et interactions */
  --c-accent-hover: #174BB4;
  --c-accent-ink: #FFFFFF;     /* texte posé sur la couleur d'action */
  --c-accent-soft: #EEF3FC;    /* remplissages légers */
  --c-text: #1C2230;           /* texte courant */
  --c-muted: #556074;
  --c-bg: #F3F5F8;             /* fond de page */
  --c-surface: #FFFFFF;        /* surfaces (cartes) */
  --c-surface-2: #F7F9FC;
  --c-border: #C9D2E3;         /* bordures */
  --c-border-soft: #DFE5EF;
  --c-success: #1E7A46;        /* retours de correction : juste */
  --c-success-soft: #E7F4EC;
  --c-danger: #A3322B;         /* retours de correction : faux */
  --c-danger-soft: #FBECEA;
  --c-warning: #8A5A00;
  --c-warning-soft: #FFF5DA;
  --grid-line: #E3E8F1;
  --font-title: 'Libre Franklin', 'Segoe UI', Arial, sans-serif;
  --font-text: 'Atkinson Hyperlegible', 'Segoe UI', Arial, sans-serif;
  --fs-base: 16px;
  --lh: 1.55;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(20, 32, 60, .06), 0 1px 4px rgba(20, 32, 60, .05);
  --shadow-lg: 0 10px 30px rgba(20, 32, 60, .18);
  --focus-width: 3px;
  --page-max: 1180px;          /* largeur « Lecture » d'une page (réglage de la page) */
  --gut: clamp(12px, 3vw, 48px); /* marges latérales : s'adaptent à la largeur de l'écran */
  --gap: 16px;
  --grid-row: 44px;            /* hauteur d'une ligne de la grille */
  --grid-gap: 16px;            /* espace entre composants */
  --header-h: 64px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
/* L'attribut hidden l'emporte toujours (même sur un élément mis en forme en flex ou grid) */
[hidden] { display: none !important; }
html { font-size: var(--fs-base); -webkit-text-size-adjust: 100%; }
/* Site élève : texte un peu plus grand sur les grands écrans (16 px sur un portable, 19 px au plus) */
html.front { font-size: clamp(16px, 0.35vw + 11px, 19px); }
body {
  margin: 0; background: var(--c-bg); color: var(--c-text);
  font-family: var(--font-text); font-size: 1rem; line-height: var(--lh);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-title); color: var(--c-title); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.12rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 .8em; }
a { color: var(--c-accent); text-underline-offset: 2px; }
a:hover { color: var(--c-accent-hover); }
img, video, iframe { max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: var(--focus-width) solid var(--c-accent); outline-offset: 2px; }
.ic { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.muted { color: var(--c-muted); }
.small { font-size: .875rem; }
.nowrap { white-space: nowrap; }
.upper { text-transform: uppercase; }
.stack > * + * { margin-top: var(--gap); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; min-width: 0; }
hr { border: 0; border-top: 1px solid var(--c-border-soft); margin: 1.2em 0; }
.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--c-surface); padding: 8px 12px; z-index: 100; border: 2px solid var(--c-accent); }
.skip-link:focus { left: 8px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-title);
  font-family: var(--font-title); font-weight: 600; font-size: .95rem; line-height: 1.1;
  text-decoration: none; cursor: pointer; white-space: nowrap; transition: background .12s, border-color .12s, color .12s;
}
.btn:hover { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-surface); }
.btn.primary { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-accent-ink); }
.btn.primary:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); color: var(--c-accent-ink); }
.btn.danger { color: var(--c-danger); border-color: var(--c-danger); }
.btn.danger:hover { background: var(--c-danger); color: #fff; }
.btn.danger.solid { background: var(--c-danger); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--c-accent-soft); border-color: transparent; }
.btn.sm { min-height: 32px; padding: 5px 10px; font-size: .85rem; }
.btn.xs { min-height: 26px; padding: 3px 7px; font-size: .8rem; gap: 5px; }
.btn.icon { padding: 6px; min-width: 36px; }
.btn.icon.sm { min-width: 30px; padding: 4px; }
.btn[disabled], .btn.is-busy { opacity: .55; cursor: not-allowed; pointer-events: none; }
.btn.is-active { background: var(--c-accent-soft); border-color: var(--c-accent); color: var(--c-accent); }
.btn-group { display: inline-flex; }
.btn-group > .btn { border-radius: 0; }
.btn-group > .btn + .btn { margin-left: -1px; }
.btn-group > .btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.btn-group > .btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.link-btn { background: none; border: 0; padding: 0; color: var(--c-accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Formulaires ---------- */
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.field > label, .label { font-family: var(--font-title); font-weight: 600; font-size: .9rem; color: var(--c-title); }
.field .help, .help { font-size: .82rem; color: var(--c-muted); line-height: 1.4; }
.input, select.input, textarea.input {
  width: 100%; min-height: 40px; padding: 8px 11px; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  background: var(--c-surface); color: var(--c-text); transition: border-color .12s, box-shadow .12s;
}
textarea.input { min-height: 90px; resize: vertical; line-height: 1.45; }
.input:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 var(--focus-width) color-mix(in srgb, var(--c-accent) 25%, transparent); }
.input.sm { min-height: 32px; padding: 4px 8px; font-size: .9rem; }
.input[readonly] { background: var(--c-surface-2); }
.input-row { display: flex; gap: 8px; align-items: center; }
.input-row .input { flex: 1; }
.input-suffix { color: var(--c-muted); font-size: .9rem; white-space: nowrap; }
.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; line-height: 1.4; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--c-accent); flex: none; }
fieldset { border: 1px solid var(--c-border-soft); border-radius: var(--radius); padding: 12px 14px; margin: 0 0 14px; }
legend { font-family: var(--font-title); font-weight: 700; color: var(--c-title); padding: 0 6px; }

/* Interrupteur (case à cocher stylée, reste une vraie case pour le clavier et les lecteurs d'écran) */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track { width: 44px; height: 24px; border-radius: 12px; background: var(--c-border); position: relative; transition: background .15s; flex: none; }
.switch .track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: transform .15s; }
.switch input:checked + .track { background: var(--c-accent); }
.switch input:checked + .track::after { transform: translateX(20px); }
.switch input:focus-visible + .track { outline: var(--focus-width) solid var(--c-accent); outline-offset: 2px; }
.switch input:disabled + .track { opacity: .5; }

/* ---------- Badges, puces, alertes ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: var(--radius-sm); font-size: .78rem; font-weight: 700; font-family: var(--font-title); background: var(--c-accent-soft); color: var(--c-title); border: 1px solid transparent; white-space: nowrap; line-height: 1.5; }
.badge.success { background: var(--c-success-soft); color: var(--c-success); }
.badge.danger { background: var(--c-danger-soft); color: var(--c-danger); }
.badge.warning { background: var(--c-warning-soft); color: var(--c-warning); }
.badge.outline { background: transparent; border-color: var(--c-border); color: var(--c-muted); }
.badge.dark { background: var(--c-title); color: #fff; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; background: var(--c-accent-soft); color: var(--c-title); font-size: .85rem; font-weight: 600; }
.chip button { background: none; border: 0; padding: 0; cursor: pointer; color: inherit; display: inline-flex; }
.alert { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius); border: 1px solid var(--c-border); background: var(--c-surface); margin-bottom: 14px; line-height: 1.45; }
.alert > .ic { margin-top: 2px; width: 1.25em; height: 1.25em; }
.alert.info { background: var(--c-accent-soft); border-color: color-mix(in srgb, var(--c-accent) 30%, transparent); }
.alert.info > .ic { color: var(--c-accent); }
.alert.success { background: var(--c-success-soft); border-color: color-mix(in srgb, var(--c-success) 35%, transparent); }
.alert.success > .ic { color: var(--c-success); }
.alert.danger { background: var(--c-danger-soft); border-color: color-mix(in srgb, var(--c-danger) 35%, transparent); }
.alert.danger > .ic { color: var(--c-danger); }
.alert.warning { background: var(--c-warning-soft); border-color: color-mix(in srgb, var(--c-warning) 35%, transparent); }
.alert.warning > .ic { color: var(--c-warning); }
.alert strong { font-family: var(--font-title); color: inherit; }
.alert p:last-child { margin-bottom: 0; }

/* ---------- Cartes et tableaux ---------- */
.card { background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card + .card { margin-top: var(--gap); }
.card-title { display: flex; align-items: center; gap: 10px; justify-content: space-between; margin-bottom: 12px; }
.card-title h2, .card-title h3 { margin: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--c-border-soft); border-radius: var(--radius); background: var(--c-surface); }
table.table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--c-border-soft); vertical-align: middle; }
.table th { font-family: var(--font-title); font-size: .82rem; color: var(--c-title); background: var(--c-surface-2); font-weight: 700; white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: color-mix(in srgb, var(--c-accent-soft) 45%, transparent); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { text-align: center; padding: 36px 20px; color: var(--c-muted); }
.empty .ic { width: 42px; height: 42px; color: var(--c-border); margin-bottom: 8px; }
.empty h3 { color: var(--c-title); }

/* ---------- Fenêtres, notifications ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(14, 22, 40, .55); z-index: 900; display: flex; align-items: center; justify-content: center; padding: 16px; animation: fade .12s ease-out; }
.modal { background: var(--c-surface); color: var(--c-text); border-radius: var(--radius); box-shadow: var(--shadow-lg); width: min(560px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; }
.modal.wide { width: min(900px, 100%); }
.modal.xwide { width: min(1200px, 100%); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--c-border-soft); }
.modal-head h2 { margin: 0; font-size: 1.2rem; }
.modal-body { padding: 18px 20px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--c-border-soft); flex-wrap: wrap; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; max-width: min(420px, calc(100vw - 32px)); }
.toast { display: flex; gap: 10px; align-items: flex-start; background: var(--c-title); color: #fff; padding: 12px 14px; border-radius: var(--radius); box-shadow: var(--shadow-lg); font-size: .93rem; animation: fade .15s; }
.toast.error { background: var(--c-danger); }
.toast.success { background: var(--c-success); }
.toast .ic { margin-top: 2px; }

/* ---------- Onglets ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--c-border); margin-bottom: 18px; overflow-x: auto; }
.tab { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 0; background: none; color: var(--c-muted); font-family: var(--font-title); font-weight: 600; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; text-decoration: none; white-space: nowrap; }
.tab:hover { color: var(--c-accent); }
.tab.is-active, .tab[aria-selected="true"] { color: var(--c-accent); border-bottom-color: var(--c-accent); }

/* ======================================================================
   Site élève / visiteur
   ====================================================================== */
.site-header { background: var(--c-surface); border-bottom: 1px solid var(--c-border-soft); position: sticky; top: 0; z-index: 50; }
.site-header .inner { margin: 0 auto; padding: 0 var(--gut); height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; color: var(--c-title); min-width: 0; }
.brand-name { font-family: var(--font-title); font-weight: 800; font-size: 1.65rem; letter-spacing: -.02em; color: var(--c-title); }
.brand-tag { font-size: .88rem; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.main-nav { display: flex; gap: 6px; margin-left: auto; align-items: center; height: 100%; }
.main-nav a { display: flex; align-items: center; height: 100%; padding: 0 12px; color: var(--c-title); text-decoration: none; font-family: var(--font-title); font-weight: 600; border-bottom: 3px solid transparent; }
.main-nav a:hover { color: var(--c-accent); }
.main-nav a.is-active { color: var(--c-accent); border-bottom-color: var(--c-accent); }
.user-menu { position: relative; }
.user-menu > button { display: flex; align-items: center; gap: 8px; background: none; border: 0; cursor: pointer; color: var(--c-title); font-family: var(--font-title); font-weight: 600; padding: 6px 4px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--c-accent-soft); color: var(--c-title); display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--c-border); }
.menu-pop { position: absolute; right: 0; top: calc(100% + 6px); background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 230px; padding: 6px; z-index: 60; }
.menu-pop[hidden] { display: none; }
.menu-pop a, .menu-pop button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px; border: 0; background: none; text-align: left; color: var(--c-text); text-decoration: none; border-radius: var(--radius-sm); cursor: pointer; font-size: .95rem; }
.menu-pop a:hover, .menu-pop button:hover { background: var(--c-accent-soft); color: var(--c-accent); }
.menu-pop .who { padding: 8px 10px 10px; border-bottom: 1px solid var(--c-border-soft); margin-bottom: 4px; font-size: .88rem; color: var(--c-muted); }
.menu-pop .who strong { display: block; color: var(--c-title); font-family: var(--font-title); }
.nav-toggle { display: none; }
.site-main { margin: 0 auto; padding: 22px var(--gut) 60px; }
.site-footer { margin: 0 auto; padding: 18px var(--gut) 40px; color: var(--c-muted); font-size: .85rem; border-top: 1px solid var(--c-border-soft); }
/* Réglage de page « Lecture » : colonne centrée plus étroite (textes longs) */
body.pw-read .site-main { max-width: calc(var(--page-max) + 2 * var(--gut)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .92rem; color: var(--c-text); margin-bottom: 10px; padding: 0; list-style: none; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: '/'; color: var(--c-muted); }
.breadcrumb a { color: var(--c-text); text-decoration: none; }
.breadcrumb a:hover { color: var(--c-accent); text-decoration: underline; }
.page-head { margin-bottom: 18px; }
.page-head h1 { text-transform: uppercase; margin-bottom: 6px; }
.lead { font-size: 1.05rem; max-width: 70ch; }
.test-banner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--c-warning-soft); border: 1px solid color-mix(in srgb, var(--c-warning) 40%, transparent); color: var(--c-text); border-radius: var(--radius); padding: 10px 14px; margin-bottom: 16px; }
.test-banner strong { color: var(--c-warning); font-family: var(--font-title); }
.test-banner .grow { min-width: 200px; }

/* Accueil « Mes cours » */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--gap); }
.course-card { background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.course-card > h2 { font-size: 1.25rem; text-transform: uppercase; display: flex; align-items: center; gap: 10px; }
.course-card > h2 .ic { color: var(--c-accent); }
.course-card .intro { color: var(--c-muted); font-size: .93rem; }
.tree-list { list-style: none; margin: 0; padding: 0; }
.tree-list .tree-list { padding-left: 16px; border-left: 2px solid var(--c-border-soft); margin: 4px 0 8px 6px; }
.tree-list li { margin: 2px 0; }
.tree-list .sec-title { font-family: var(--font-title); font-weight: 700; color: var(--c-title); font-size: .95rem; margin: 10px 0 4px; display: flex; gap: 8px; align-items: center; }
.tree-list a.page-link { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: var(--radius-sm); text-decoration: none; color: var(--c-text); }
.tree-list a.page-link:hover { background: var(--c-accent-soft); color: var(--c-accent); }
.tree-list a.page-link .ic { color: var(--c-accent); }
.tree-list .meta { margin-left: auto; }

/* Résultats élève */
.score-big { font-family: var(--font-title); font-weight: 800; font-size: 1.6rem; color: var(--c-success); }
.score-big.pending { color: var(--c-warning); }
.progress { height: 8px; background: var(--c-border-soft); border-radius: 4px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--c-accent); }

/* ======================================================================
   Grille de page (vue élève, aperçu, studio)
   Les composants se placent avec --x --y --w --h.
   3.0.0 : dans la vue élève, chaque ligne prend la hauteur de son contenu (les lignes vides
   sont retirées par view.js) ; le réglage « hauteurs du studio » (.h-grid) garde le minimum
   d'une ligne de 44 px comme dans la V2.
   ====================================================================== */
.ls-grid {
  display: grid; gap: var(--grid-gap);
  grid-template-columns: repeat(var(--cols, 20), minmax(0, 1fr));
  grid-auto-rows: minmax(var(--grid-row), auto);
}
.ls-page .ls-grid { grid-auto-rows: auto; }
.ls-page .ls-grid.h-grid { grid-auto-rows: minmax(var(--grid-row), auto); }
.ls-cell { grid-column: var(--x) / span var(--w); grid-row: var(--y) / span var(--h); min-width: 0; display: flex; flex-direction: column; }
.ls-page.d-compact { --grid-gap: 10px; }
.ls-page.d-compact .cmp { padding: 12px 14px; }

/* Groupes (3.0.0) : les composants contenus se suivent, chacun sur sa largeur (sur 20 colonnes) */
.grp-flow { display: grid; grid-template-columns: repeat(20, minmax(0, 1fr)); gap: var(--grid-gap); align-items: start; container-type: inline-size; }
.grp-flow.gap-sm { gap: calc(var(--grid-gap) * .6); }
.grp-flow.gap-lg { gap: calc(var(--grid-gap) * 1.6); }
.ls-kid { grid-column: span var(--w, 20); min-width: 0; display: flex; flex-direction: column; }
.ls-kid > .cmp { flex: 1 1 auto; }
/* Groupe étroit (colonne sur tablette, téléphone) : les blocs contenus passent les uns sous les autres */
@container (max-width: 460px) { .ls-kid { grid-column: span 20; } }
@container (min-width: 461px) and (max-width: 900px) { .ls-kid.kw-s { grid-column: span 10; } }
.grp-empty { margin: 0; padding: 14px; border: 1px dashed var(--c-border); border-radius: var(--radius-sm); color: var(--c-muted); grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; }
.grp-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; padding: 10px 14px; background: none; border: 0; cursor: pointer; text-align: left; color: var(--c-title); font-family: var(--font-title); font-weight: 700; font-size: .95rem; }
.grp-toggle .grp-act { flex: none; font-weight: 600; font-size: .82rem; letter-spacing: .04em; color: var(--c-muted); text-transform: uppercase; }
.grp-toggle:hover .grp-act { color: var(--acc, var(--c-accent)); }
.grp.is-collapsible > .grp-flow { padding: 0 14px 14px; }
.cmp-group.fr-none .grp.is-collapsible { background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); }
.cmp-group.fr-none { padding: 0; }

/* Cadres (3.0.0) : carte (par défaut), trait de couleur à gauche, fond coloré, contour, aucun */
.cmp.fr-line { border: 1px solid var(--c-border-soft); border-left: 4px solid var(--acc, var(--c-accent)); box-shadow: none; padding: 12px 16px; }
.cmp.fr-fill { background: color-mix(in srgb, var(--acc, var(--c-accent)) 8%, var(--c-surface)); border-color: transparent; box-shadow: none; }
.cmp.fr-outline { border: 1.5px solid var(--acc, var(--c-accent)); box-shadow: none; }
.cmp.fr-none { background: transparent; border-color: transparent; box-shadow: none; padding: 0; }
.cmp.fr-none.lk-bg { padding: 14px 18px; }
/* Titre en « étiquette » : petites capitales de la couleur d'accent (cadres Trait et Contour) */
.cmp.hd-label > .cmp-head { margin-bottom: 6px; }
.cmp.hd-label > .cmp-head h2 { font-size: .86rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--acc, var(--c-title)); }
.cmp.hd-none > .cmp-head h2 { display: none; }
.cmp.has-acc .cmp-head h2 .ic { color: var(--acc); }

/* Reste visible pendant le défilement (grand écran seulement). view.js n'active le maintien
   (.sticky-on) que si un bloc voisin est plus haut, et ajoute un défilement intérieur (.sticky-scroll)
   seulement si le bloc dépasse la hauteur de l'écran. */
.ls-page .is-sticky { align-self: start; }
.ls-page .is-sticky > .cmp { flex: none; }
@media (min-width: 1100px) {
  .ls-page .is-sticky.sticky-on { position: sticky; top: calc(var(--header-h) + var(--bar-h, 0px) + 12px); z-index: 1; }
  .ls-page .is-sticky.sticky-scroll { max-height: calc(100vh - var(--header-h) - var(--bar-h, 0px) - 24px); overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; padding-right: 4px; }
}
/* Sous 1100 px, une colonne « qui reste visible » et sa voisine passent l'une sous l'autre */
@media (max-width: 1099.98px) {
  .grp-flow:has(> .ls-kid.is-sticky) > .ls-kid { grid-column: span 20; }
}

/* Tablette (700 à 1099 px) : deux blocs par ligne au plus, dans l'ordre de lecture */
@media (min-width: 700px) and (max-width: 1099.98px) {
  .ls-page .ls-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: auto; }
  .ls-page .ls-cell { grid-column: auto / span var(--wt, 2); grid-row: auto; order: var(--to, 0); }
}
/* Téléphone (moins de 700 px) : une seule colonne, dans l'ordre de lecture mobile */
@media (max-width: 699.98px) {
  .ls-grid { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; }
  .ls-cell { grid-column: 1 / -1; grid-row: auto; order: var(--mo, 0); }
  .ls-kid { grid-column: span 20; }
}
.cmp { background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; overflow-wrap: anywhere; }
.cmp > .cmp-head { display: flex; align-items: flex-start; gap: 10px; justify-content: space-between; margin-bottom: 10px; }
.cmp > .cmp-head h2 { font-size: 1.12rem; margin: 0; display: flex; gap: 10px; align-items: center; }
.cmp > .cmp-head h2 .ic { color: var(--c-accent); }
.cmp-body { flex: 1 1 auto; min-width: 0; }
.cmp-body > :last-child { margin-bottom: 0; }
.cmp.bare { background: transparent; border: 0; box-shadow: none; padding: 4px 0; }
.score-pill { font-family: var(--font-title); font-weight: 700; font-size: .9rem; padding: 3px 12px; border-radius: var(--radius-sm); background: var(--c-success-soft); color: var(--c-success); white-space: nowrap; }
.score-pill.pending { background: var(--c-warning-soft); color: var(--c-warning); }
.score-pill.neutral { background: var(--c-accent-soft); color: var(--c-title); }

/* Titre et introduction */
.cmp-title h1 { font-size: 2.15rem; margin-bottom: 8px; }
.cmp-title h1.upper, .cmp-title h2.upper, .cmp-title h3.upper { text-transform: uppercase; }
.cmp-title h2 { font-size: 1.5rem; }
.cmp-title h3 { font-size: 1.15rem; }
.cmp-title .intro { font-size: 1.04rem; max-width: 95ch; }
/* Titre enrichi (3.0.0) : surtitre, numéro, étiquette, durée, objectif, trait de couleur */
.ttl-kicker { margin: 0 0 6px; font-family: var(--font-title); font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); }
.ttl-h { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.ttl-text { min-width: 0; }
.ttl-num { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 1.8em; height: 1.8em; border-radius: 50%; border: 2px solid var(--acc, var(--c-title)); color: var(--acc, var(--c-title)); font-size: .88em; line-height: 1; letter-spacing: 0; }
.ttl-meta { display: inline-flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; margin-left: auto; text-transform: none; letter-spacing: 0; font-family: var(--font-title); }
.ttl-tag { font-size: .74rem; font-weight: 700; letter-spacing: .03em; padding: 3px 10px; border-radius: var(--radius-sm); border: 1.5px solid var(--acc, var(--c-title)); color: var(--acc, var(--c-title)); background: var(--c-surface); white-space: nowrap; }
.ttl-time { font-size: .74rem; font-weight: 600; color: var(--c-muted); white-space: nowrap; }
.ttl.rule-thin .ttl-h { border-bottom: 1px solid var(--acc, var(--c-title)); padding-bottom: 6px; }
.ttl.rule-thick .ttl-h { border-bottom: 2.5px solid var(--acc, var(--c-title)); padding-bottom: 8px; }
.ttl-goal { margin: 10px 0 0; font-weight: 700; }
.ttl .intro { margin-top: 8px; }
.cmp-title.ttl-step .ttl-h { font-size: 1.06rem; font-weight: 700; letter-spacing: .05em; line-height: 1.35; margin: 0; color: var(--c-title); }
.cmp-title.ttl-step .ttl-text { flex: 1 1 0; }
.cmp-title.ttl-step .ttl-num { width: 30px; height: 30px; font-size: .9rem; }
/* Couleur d'accent choisie sur le titre lui-même (pas celle héritée d'un groupe) : le texte du titre la prend aussi */
.cmp-title.has-acc .ttl-h { color: var(--acc); }

/* Texte mis en forme */
.rich h2 { font-size: 1.2rem; margin-top: .6em; }
.rich h3 { font-size: 1.06rem; margin-top: .6em; }
.rich ul, .rich ol { padding-left: 1.4em; margin: 0 0 .8em; }
.rich dl { margin: 0 0 .8em; }
.rich dt { font-weight: 700; color: var(--c-title); margin-top: .5em; }
.rich dd { margin: 0 0 0 1.2em; }
.rich li { margin: .2em 0; }
.rich blockquote { margin: .5em 0 1em; padding: 6px 14px; border-left: 4px solid var(--c-border); color: var(--c-text); font-style: italic; }
.rich mark, .rich .hl-yellow { background: #FFF1A8; color: #1C2230; padding: 0 2px; }
.rich .hl-blue { background: #D8E6FF; color: #1C2230; }
.rich .hl-green { background: #D5F0DE; color: #1C2230; }
.rich .hl-red { background: #FADAD6; color: #1C2230; }
.rich .txt-accent { color: var(--c-accent); }
.rich .txt-title { color: var(--c-title); }
.rich .txt-muted { color: var(--c-muted); }
.rich .txt-success { color: var(--c-success); }
.rich .txt-danger { color: var(--c-danger); }
.rich .align-center { text-align: center; }
.rich .align-right { text-align: right; }
.rich .align-justify { text-align: justify; }
.rich table { border-collapse: collapse; width: 100%; margin: .5em 0 1em; font-size: .95rem; }
.rich th, .rich td { border: 1px solid var(--c-border); padding: 6px 8px; text-align: left; overflow-wrap: normal; word-break: normal; hyphens: auto; }
/* 3.0.0 : un tableau trop large défile horizontalement au lieu de couper les mots */
.tbl-wrap { overflow-x: auto; max-width: 100%; margin: .5em 0 1em; }
.tbl-wrap > table { margin: 0; }
.rich td.hl-yellow, .rich th.hl-yellow { background: #FFF1A8; } .rich td.hl-blue, .rich th.hl-blue { background: #D8E6FF; }
.rich td.hl-green, .rich th.hl-green { background: #D5F0DE; } .rich td.hl-red, .rich th.hl-red { background: #FADAD6; }
.rich td.hl-orange, .rich th.hl-orange { background: #FBE0C8; } .rich td.hl-grey, .rich th.hl-grey { background: #E6E9EF; }
.rich .hl-orange { background: #FBE0C8; color: #1C2230; } .rich .hl-grey { background: #E6E9EF; color: #1C2230; }
.rich .align-center { text-align: center; }
.rich .txt-small { font-size: .88em; }
.rich p.note { font-size: .92em; color: var(--c-muted); font-style: italic; }
.rich p.callout { border: 1.5px solid var(--acc, var(--c-accent)); border-radius: var(--radius-sm); padding: 8px 12px; background: var(--c-surface); }
.rich th { background: var(--c-surface-2); font-family: var(--font-title); }
.rich hr { margin: 1em 0; }
.cmp.style-soft { background: var(--c-accent-soft); border-color: transparent; box-shadow: none; }
.cmp.style-definition { border-left: 5px solid var(--c-accent); }
.cmp.style-remember { border: 2px solid var(--c-title); background: var(--c-surface); }
.cmp.style-quote { background: var(--c-surface-2); }
.cmp.style-quote .rich { font-family: Georgia, 'Times New Roman', serif; font-size: 1.04rem; }
.cmp.style-instruction { border-left: 5px solid var(--c-success); }
.cmp.style-warning { background: var(--c-warning-soft); border-color: color-mix(in srgb, var(--c-warning) 35%, transparent); box-shadow: none; }
.style-tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-title); font-weight: 800; font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 6px; }
.cmp.style-remember .style-tag { color: var(--c-title); }
.cmp.style-instruction .style-tag { color: var(--c-success); }
.cmp.style-warning .style-tag { color: var(--c-warning); }
.source-line { font-size: .85rem; color: var(--c-muted); margin-top: 8px; }

/* ----------------------------------------------------------------------
   Apparence et mise en page d'un composant (2.0.0, fenêtre de réglages)
   Les couleurs choisies redéfinissent les variables du thème à l'intérieur
   du composant (voir LS.cmpLook dans components.js).
   ---------------------------------------------------------------------- */
.cmp.lk-bg { background: var(--lk-bg); }
.cmp.bare.lk-bg { padding: 14px 18px; border-radius: var(--radius); }
.cmp.lk-fg { color: var(--lk-fg); }
.cmp.lk-fg .style-tag { color: var(--lk-fg); }
.cmp.lk-fg a:not(.btn) { color: inherit; text-decoration: underline; }
.cmp.lk-bd-none { border-color: transparent; box-shadow: none; }
.cmp.lk-bd-thin { border: 1px solid var(--lk-bc, var(--c-border)); }
.cmp.lk-bd-strong { border: 2px solid var(--lk-bc, var(--c-title)); }
.cmp.lk-bd-left { border-left: 5px solid var(--lk-bc, var(--c-accent)); }
.cmp.bare.lk-bd-thin, .cmp.bare.lk-bd-strong, .cmp.bare.lk-bd-left { padding: 14px 18px; border-radius: var(--radius); }
.cmp.lk-font, .cmp.lk-font :is(h1, h2, h3, h4, .rich, .intro) { font-family: var(--lk-font); }
.cmp.lk-size > .cmp-body { font-size: calc(var(--lk-scale) * 1em); }
.cmp.lk-size > .cmp-head h2 { font-size: calc(var(--lk-scale) * 1.12rem); }
.cmp.lk-size.cmp-title h1 { font-size: calc(var(--lk-scale) * 2.15rem); }
.cmp.lk-size.cmp-title h2 { font-size: calc(var(--lk-scale) * 1.5rem); }
.cmp.lk-size.cmp-title .intro { font-size: calc(var(--lk-scale) * 1.04rem); }
.cmp.bx-al-left > .cmp-body { text-align: left; }
.cmp.bx-al-center > .cmp-body { text-align: center; }
.cmp.bx-al-right > .cmp-body { text-align: right; }
.cmp.bx-al-justify > .cmp-body { text-align: justify; }
.cmp.bx-va-center > .cmp-body, .cmp.bx-va-bottom > .cmp-body { display: flex; flex-direction: column; justify-content: center; }
.cmp.bx-va-bottom > .cmp-body { justify-content: flex-end; }
.cmp.bx-pad-none { padding: 0; }
.cmp.bx-pad-sm { padding: 10px 12px; }
.cmp.bx-pad-lg { padding: 28px 32px; }

/* Image / document */
.figure { margin: 0; display: flex; flex-direction: column; gap: 8px; flex: 1 1 auto; }
.figure .frame { position: relative; background: var(--c-surface-2); border-radius: var(--radius-sm); overflow: hidden; display: flex; align-items: center; justify-content: center; flex: 1 1 auto; min-height: 120px; }
.figure img { display: block; width: 100%; height: 100%; object-fit: contain; max-height: 70vh; }
.figure.fit-cover img { object-fit: cover; }
/* 3.0.0 : image à sa taille réelle (jamais agrandie), petite ou moyenne, centrée */
.figure.sz-natural .frame, .figure.sz-small .frame, .figure.sz-medium .frame { background: transparent; min-height: 0; flex: none; align-self: center; max-width: 100%; }
.figure.sz-natural img, .figure.sz-small img, .figure.sz-medium img { width: auto; height: auto; max-width: 100%; }
.figure.sz-small .frame { width: min(320px, 100%); } .figure.sz-small img { width: 100%; }
.figure.sz-medium .frame { width: min(520px, 100%); } .figure.sz-medium img { width: 100%; }
.figure.sz-natural figcaption, .figure.sz-small figcaption, .figure.sz-medium figcaption { text-align: center; }
.figure .zoom-btn { position: absolute; right: 8px; top: 8px; background: rgba(255,255,255,.92); border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 4px 6px; cursor: zoom-in; color: var(--c-title); display: inline-flex; }
.figure figcaption { font-size: .9rem; }
.figure figcaption .credit { display: block; color: var(--c-muted); font-size: .84rem; }
.missing-res { display: flex; gap: 10px; align-items: center; padding: 14px; border: 1px dashed var(--c-danger); color: var(--c-danger); border-radius: var(--radius-sm); background: var(--c-danger-soft); font-size: .9rem; }
/* Image pas encore choisie (studio, aperçu du professeur) — 2.1.0 */
.missing-res.todo-res { border-color: var(--c-border); color: var(--c-muted); background: var(--c-surface-2); }
.missing-res .todo-hint { display: block; margin-top: 4px; font-style: italic; color: var(--c-text); }
.lightbox { position: fixed; inset: 0; z-index: 950; background: rgba(8, 12, 22, .9); display: flex; align-items: center; justify-content: center; padding: 20px; cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; background: #fff; }
.lightbox .close { position: absolute; top: 14px; right: 14px; }

/* Vidéo */
.video-frame { position: relative; aspect-ratio: 16 / 9; background: #0E1626; border-radius: var(--radius-sm); overflow: hidden; }
.video-frame iframe, .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-consent { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #fff; text-align: center; padding: 16px; background: linear-gradient(135deg, #18233b, #0e1626); }
.video-consent .play { width: 64px; height: 64px; border-radius: 50%; background: var(--c-accent); color: #fff; border: 0; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.video-consent .play .ic { width: 28px; height: 28px; }
.video-consent small { opacity: .8; max-width: 46ch; }

/* Documents à télécharger, liens */
.file-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--c-border-soft); border-radius: var(--radius-sm); background: var(--c-surface); text-decoration: none; color: var(--c-text); }
.file-item:hover { border-color: var(--c-accent); }
.file-item .ic { color: var(--c-accent); width: 1.4em; height: 1.4em; }
.file-item .name { font-weight: 700; color: var(--c-title); }
.file-item .meta { font-size: .82rem; color: var(--c-muted); }
.link-card { display: flex; gap: 14px; align-items: center; text-decoration: none; color: var(--c-text); }
.link-card .ic-wrap { width: 46px; height: 46px; border-radius: var(--radius); background: var(--c-accent-soft); color: var(--c-accent); display: flex; align-items: center; justify-content: center; flex: none; }
.link-card .ic-wrap .ic { width: 24px; height: 24px; }
.link-card strong { color: var(--c-title); font-family: var(--font-title); font-size: 1.05rem; display: block; }
/* Long texte de bouton ou adresse : retour à la ligne, jamais de débordement sur téléphone (2.1.0) */
.btn.link-go { white-space: normal; max-width: 100%; text-align: left; overflow-wrap: anywhere; line-height: 1.3; }
.link-card .grow { min-width: 0; overflow-wrap: anywhere; }
.link-visio { background: var(--c-title); color: #fff; border: 0; }
.link-visio .cmp-body, .link-visio .link-card, .link-visio .link-card strong { color: #fff; }
.link-visio .ic-wrap { background: rgba(255,255,255,.14); color: #fff; }

/* Liste pliante */
.acc-intro { color: var(--c-text); margin-bottom: 10px; }
.acc-item { border: 1px solid var(--c-border-soft); border-radius: var(--radius-sm); background: var(--c-surface); }
.acc-item + .acc-item { margin-top: 8px; }
.acc-btn { width: 100%; display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: none; border: 0; cursor: pointer; text-align: left; color: var(--c-text); font-size: .97rem; }
.acc-btn:hover { color: var(--c-accent); }
.acc-btn .chev { margin-left: auto; transition: transform .15s; color: var(--c-muted); }
.acc-btn[aria-expanded="true"] .chev { transform: rotate(90deg); }
.acc-panel { padding: 4px 14px 14px; border-top: 1px solid var(--c-border-soft); }
.acc-panel[hidden] { display: none; }
.acc-panel .figure { margin-top: 8px; }
.cmp.accordion-collapsed .acc-head-btn { width: 100%; display: flex; align-items: center; gap: 10px; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }

/* Exercices et interactions */
.q-text { font-weight: 700; margin-bottom: 10px; }
/* 3.0.0 : dans une activité, les consignes sont en texte normal (comme dans un document) */
.ls-page.is-activity .q-text { font-weight: inherit; }
.choices { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.choice { display: flex; align-items: flex-start; gap: 10px; padding: 7px 10px; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; line-height: 1.4; }
.choice:hover { background: var(--c-surface-2); }
.choice input { width: 19px; height: 19px; margin: 1px 0 0; accent-color: var(--c-accent); flex: none; cursor: pointer; }
.choice.is-correct { background: var(--c-success-soft); border-color: color-mix(in srgb, var(--c-success) 35%, transparent); }
.choice.is-wrong { background: var(--c-danger-soft); border-color: color-mix(in srgb, var(--c-danger) 35%, transparent); }
.choice .mark { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; font-size: .8rem; font-weight: 700; font-family: var(--font-title); white-space: nowrap; }
.choice.is-correct .mark { color: var(--c-success); }
.choice.is-wrong .mark { color: var(--c-danger); }
.choice.is-missed .mark { color: var(--c-success); }
.readonly .choice { cursor: default; }
.dd-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.dd-row select, .cloze-select, .cloze-input {
  min-height: 36px; padding: 4px 30px 4px 10px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); background-color: var(--c-surface); color: var(--c-text);
}
.dd-row select, .cloze-select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%); background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.cloze-input { padding-right: 10px; }
.cloze-text { line-height: 2.3; white-space: pre-wrap; }
.cloze-text .blank { display: inline-flex; align-items: center; gap: 4px; vertical-align: baseline; margin: 0 2px; }
.is-ok select, .is-ok input, select.is-ok, input.is-ok { border-color: var(--c-success); background-color: var(--c-success-soft); }
.is-ko select, .is-ko input, select.is-ko, input.is-ko { border-color: var(--c-danger); background-color: var(--c-danger-soft); }
.expected { font-size: .82rem; font-weight: 700; color: var(--c-success); white-space: nowrap; }
.rules-note { font-size: .84rem; color: var(--c-muted); margin-top: 6px; }
.open-answer { width: 100%; min-height: 140px; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); background: var(--c-surface); line-height: 1.5; resize: vertical; }
.char-count { font-size: .8rem; color: var(--c-muted); text-align: right; margin-top: 4px; }
.model-answer { margin-top: 12px; padding: 12px 14px; border-left: 4px solid var(--c-success); background: var(--c-success-soft); border-radius: var(--radius-sm); }
.order-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; counter-reset: ord; }
.order-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px 6px 10px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); background: var(--c-surface); counter-increment: ord; touch-action: none; }
.order-item::before { content: counter(ord); font-family: var(--font-title); font-weight: 800; color: var(--c-accent); min-width: 1.4em; text-align: center; }
.order-item .txt { flex: 1; min-width: 0; }
.order-item .grip { cursor: grab; color: var(--c-muted); display: inline-flex; }
.order-item.is-dragging { opacity: .6; border-style: dashed; }
.order-item.is-ok { border-color: var(--c-success); background: var(--c-success-soft); }
.order-item.is-ko { border-color: var(--c-danger); background: var(--c-danger-soft); }
.order-item .btn { min-height: 30px; }

/* Pied des activités : état d'enregistrement et actions */
.act-foot { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.act-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.save-state { font-size: .84rem; color: var(--c-muted); display: inline-flex; align-items: center; gap: 6px; }
.save-state.is-error { color: var(--c-danger); font-weight: 700; }
.save-state.is-pending { color: var(--c-warning); }
.status-box { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border-radius: var(--radius); border: 1px solid transparent; }
.status-box .ic { width: 28px; height: 28px; flex: none; }
.status-box strong { display: block; font-family: var(--font-title); }
.status-box span { font-size: .88rem; }
.status-box.saved { background: var(--c-success-soft); border-color: color-mix(in srgb, var(--c-success) 30%, transparent); }
.status-box.saved .ic, .status-box.saved strong { color: var(--c-success); }
.status-box.pending { background: var(--c-warning-soft); border-color: color-mix(in srgb, var(--c-warning) 30%, transparent); }
.status-box.pending .ic, .status-box.pending strong { color: var(--c-warning); }
.status-box.closed { background: var(--c-surface-2); border-color: var(--c-border-soft); }
.feedback-box { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--c-accent-soft); font-size: .93rem; }
.feedback-box strong { font-family: var(--font-title); color: var(--c-title); }
.explanation { margin-top: 10px; padding: 10px 12px; background: var(--c-surface-2); border-radius: var(--radius-sm); font-size: .95rem; }
.attempts-line { font-size: .84rem; color: var(--c-muted); }

/* Bandeau de score et navigation de séquence */
.score-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 22px; margin-top: var(--grid-gap); }
.score-bar .label { font-family: var(--font-title); font-weight: 700; font-size: 1.2rem; color: var(--c-title); }
.score-bar .value { font-family: var(--font-title); font-weight: 800; font-size: 1.6rem; color: var(--c-success); margin-left: 8px; }
.score-bar .value.pending { color: var(--c-warning); }
.score-bar .detail { font-size: .88rem; color: var(--c-muted); }
.seq-nav { display: flex; gap: 10px; justify-content: space-between; align-items: center; flex-wrap: wrap; margin-top: var(--grid-gap); }
.seq-nav .seq-title { font-size: .88rem; color: var(--c-muted); }
.eval-switch { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }

/* Connexion */
.auth-wrap { min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; justify-content: center; padding: 30px 16px; }
.auth-card { width: min(420px, 100%); }
.auth-card h1 { font-size: 1.6rem; text-transform: none; }

/* ======================================================================
   Composants de saisie (3.0.0) : champs à remplir, tableau à remplir, vrai ou faux
   L'écriture de l'élève apparaît en bleu (couleur d'action), comme à l'encre.
   ====================================================================== */
.fld-grid { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; }
.fld-grid.is-stack { flex-direction: column; align-items: stretch; }
.fld-grid.is-stack > .fld { flex: none; }
.fld { flex: 1 1 160px; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.fld.w-s { flex: 0 1 130px; }
.fld.w-m { flex: 0 1 280px; }
.fld.w-l { flex: 2 1 340px; }
.fld.w-full, .fld.k-long { flex: 1 1 100%; }
/* Largeur automatique : un nombre, une liste, une date ou une case à cocher gardent leur largeur naturelle
   (les cases restent groupées à gauche, comme dans un formulaire imprimé) ; un texte court s'étire */
.fld.w-auto:is(.k-number, .k-select, .k-date, .k-check) { flex: 0 1 auto; }
.fld.w-auto.k-select .fld-row > .in-select { flex: 0 1 auto; min-width: 9em; max-width: 100%; }
.fld-break { flex-basis: 100%; height: 0; }
.fld.fld-note { margin: 4px 0 -4px; font-size: .95rem; color: var(--c-text); line-height: 1.4; }
.fld-label { font-size: .9rem; font-weight: 700; color: var(--c-title); }
.fld-row { display: flex; align-items: center; gap: 8px; }
.fld-row > .in-text, .fld-row > .in-select { flex: 1 1 auto; min-width: 0; }
.fld.k-number .fld-row > .in-text { flex: 0 1 140px; }
.fld.k-number.w-full .fld-row > .in-text, .fld.k-number.w-l .fld-row > .in-text { flex: 1 1 auto; }
.fld-pre, .fld-suf { color: var(--c-muted); white-space: nowrap; font-size: .95rem; }
.fld-help { font-size: .84rem; color: var(--c-muted); margin: 0; }
.fld-expected { font-size: .86rem; margin: 2px 0 0; }
.fld-ans { align-self: flex-start; font-size: .75rem; }
.in-text, .in-select, .in-long { font: inherit; font-size: 1rem; padding: 8px 10px; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); background: var(--c-surface); color: var(--c-accent); min-height: 42px; width: 100%; }
.in-select { color: var(--c-accent); }
.in-long { line-height: 1.5; resize: vertical; min-height: 0; }
.in-text:focus, .in-select:focus, .in-long:focus, .open-answer:focus { outline: 3px solid color-mix(in srgb, var(--c-accent) 35%, transparent); outline-offset: 1px; border-color: var(--c-title); }
.in-text:disabled, .in-select:disabled, .in-long:disabled { background: var(--c-surface-2); color: var(--c-text); opacity: 1; }
.in-check { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--c-accent); flex: none; }
.fld-check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.in-mark { display: inline-flex; gap: 4px; align-items: center; font-size: .8rem; font-weight: 700; font-family: var(--font-title); }
.in-mark.ok { color: var(--c-success); }
.in-mark.ko { color: var(--c-danger); }
.fld.is-ok :is(.in-text, .in-select, .in-long) { border-color: var(--c-success); background: var(--c-success-soft); }
.fld.is-ko :is(.in-text, .in-select, .in-long) { border-color: var(--c-danger); }
.rule-msgs { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.rule-msgs:empty { display: none; }
.msg { margin: 0; padding: 8px 12px; border-radius: var(--radius-sm); font-size: .95rem; }
.msg-info { background: var(--c-accent-soft); color: var(--c-title); font-weight: 700; }
.msg-warn { border: 1.5px solid #E2B24A; background: #FFF7E3; color: var(--c-warning); }
.msg-ok { border: 1.5px solid #9CCBA9; background: #EAF6EE; color: var(--c-success); }
.check-line { margin: 10px 0 0; font-weight: 700; color: var(--c-title); display: flex; gap: 6px; align-items: center; }
.open-answer.is-grow { resize: none; overflow: hidden; min-height: 0; }
.open-answer { color: var(--c-accent); font-size: 1rem; border-width: 1.5px; }

/* Tableau à remplir */
.in-table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.in-table th, .in-table td { border: 1px solid var(--c-border); padding: 6px 8px; text-align: left; vertical-align: middle; }
.in-table thead th { background: var(--c-surface-2); font-family: var(--font-title); font-size: .86rem; color: var(--c-title); }
.in-table th.row-head { background: var(--c-surface-2); font-weight: 700; color: var(--c-title); }
.in-table td :is(.in-text, .in-select) { min-height: 36px; padding: 5px 8px; }
.in-table td.k-number .in-text { max-width: 140px; }
.in-table td.given { background: var(--c-surface-2); }
.in-table td.is-ok { background: var(--c-success-soft); }
.in-table td.is-ko { background: var(--c-danger-soft); }
.in-table td .in-mark { margin-top: 4px; }
.in-table .col-del { width: 48px; text-align: center; }
.rows-box { display: flex; flex-direction: column; gap: 10px; }
.row-card { border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 10px 12px; background: var(--c-surface); }
.row-card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; font-family: var(--font-title); font-size: .84rem; letter-spacing: .05em; text-transform: uppercase; color: var(--acc, var(--c-title)); margin-bottom: 6px; }
.btn.add-row { align-self: flex-start; border: 1.5px dashed var(--acc, var(--c-accent)); color: var(--acc, var(--c-accent)); background: var(--c-surface); font-weight: 700; min-height: 44px; }
.tbl-summary { margin-top: 12px; padding: 10px 14px; border: 1px solid var(--c-border-soft); border-radius: var(--radius-sm); background: var(--c-accent-soft); }
.tbl-summary:empty { display: none; }
.tbl-summary .sum-title { font-weight: 700; margin: 0 0 6px; font-family: var(--font-title); color: var(--c-title); }
.tbl-summary ol { margin: 0; padding-left: 1.4em; }

/* Vrai ou faux */
.tf-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.tf-item { border: 1px solid var(--c-border-soft); border-radius: var(--radius-sm); padding: 10px 12px; background: var(--c-surface); }
.tf-item.is-ok { border-color: color-mix(in srgb, var(--c-success) 50%, transparent); }
.tf-item.is-ko { border-color: color-mix(in srgb, var(--c-danger) 50%, transparent); }
.tf-text { margin: 0 0 8px; }
.tf-n { font-weight: 700; color: var(--acc, var(--c-title)); font-family: var(--font-title); }
.tf-btns { display: flex; gap: 8px; }
.tf-b { flex: 1 1 0; min-height: 44px; font: inherit; font-family: var(--font-title); font-weight: 700; font-size: .95rem; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); background: var(--c-surface); color: var(--c-title); cursor: pointer; }
.tf-b:hover:not(:disabled) { border-color: var(--c-accent); color: var(--c-accent); }
.tf-b.is-picked { background: var(--c-title); border-color: var(--c-title); color: #fff; }
.tf-b:disabled { cursor: default; }
.tf-b:disabled:not(.is-picked) { opacity: .7; }
.tf-b.is-expected { box-shadow: inset 0 -3px 0 var(--c-success); }
.tf-fb { margin: 8px 0 0; padding: 8px 10px; border-radius: var(--radius-sm); font-size: .95rem; }
.tf-fb:empty { display: none; }
.tf-fb.ok { background: var(--c-success-soft); }
.tf-fb.ko { background: var(--c-danger-soft); }
.tf-fb.ok strong { color: var(--c-success); }
.tf-fb.ko strong { color: var(--c-danger); }
.tf-fb.is-wait { color: var(--c-muted); padding-left: 0; }
/* Boutons à droite de l'affirmation (liste compacte), seulement si la place le permet */
.tf.is-inline { container-type: inline-size; }
@container (min-width: 520px) {
  .tf.is-inline .tf-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 14px; }
  .tf.is-inline .tf-text { margin: 0; }
  .tf.is-inline .tf-btns { min-width: 200px; }
  .tf.is-inline .tf-b { min-height: 40px; }
  .tf.is-inline .tf-fb, .tf.is-inline .tf-first { grid-column: 1 / -1; }
}
.tf-first { margin: 6px 0 0; font-size: .82rem; font-weight: 700; font-family: var(--font-title); }
.tf-first.ok { color: var(--c-success); }
.tf-first.ko { color: var(--c-danger); }
.review-banner { background: var(--c-accent-soft); border-color: color-mix(in srgb, var(--c-accent) 35%, transparent); }
.review-banner strong { color: var(--c-title); }
.tf-score { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 12px; font-family: var(--font-title); }

/* Flèche */
.arrow { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--acc, var(--c-title)); padding: 2px 0; }
.arrow-box { display: inline-flex; }
.arrow-svg { width: 24px; height: 48px; overflow: visible; }
.arrow.size-s .arrow-svg { height: 32px; }
.arrow.size-l .arrow-svg { height: 72px; }
.arrow-line, .arrow-head { stroke: currentColor; stroke-width: 3; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.arrow-line { vector-effect: non-scaling-stroke; }
.arrow-line.is-dashed { stroke-dasharray: 6 5; }
.arrow.dir-up .arrow-box { transform: rotate(180deg); }
.arrow.dir-right .arrow-box { transform: rotate(-90deg); margin: 0 12px; }
.arrow.dir-left .arrow-box { transform: rotate(90deg); margin: 0 12px; }
.arrow-label { font-family: var(--font-title); font-weight: 700; font-size: .9rem; }

/* ======================================================================
   Barre d'une activité (3.0.0) : parties, progression, enregistrement, « Envoyer mon travail »
   Elle reste visible sous l'en-tête du site pendant le défilement.
   ====================================================================== */
.act-bar { position: sticky; top: var(--header-h); z-index: 40; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
  background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 12px; margin: 0 0 var(--grid-gap); }
.bar-parts { display: flex; gap: 6px; flex-wrap: wrap; flex: 1 1 auto; min-width: 0; }
.bar-chip { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 8px; row-gap: 4px; align-items: baseline; padding: 5px 10px 6px; min-width: 100px;
  border: 1.5px solid var(--acc, var(--c-border)); border-radius: var(--radius-sm); background: var(--c-surface); text-decoration: none; color: var(--c-title); font-family: var(--font-title); font-weight: 700; font-size: .8rem; }
.bar-chip:hover, .bar-chip:focus-visible { background: color-mix(in srgb, var(--acc, var(--c-accent)) 8%, var(--c-surface)); color: var(--c-title); }
.chip-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 24ch; }
.chip-count { font-weight: 600; color: var(--c-muted); font-size: .74rem; white-space: nowrap; }
.chip-gauge { grid-column: 1 / -1; height: 4px; background: var(--c-border-soft); border-radius: 2px; overflow: hidden; }
.chip-gauge i { display: block; height: 100%; width: 0; background: var(--acc, var(--c-accent)); transition: width .3s; }
.bar-chip.is-full { background: color-mix(in srgb, var(--acc, var(--c-accent)) 10%, var(--c-surface)); }
.bar-chip.is-full .chip-count { color: var(--c-success); }
.bar-chip.is-full .chip-count::before { content: '✓ '; }
.bar-status { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; margin-left: auto; }
.bar-total { display: flex; align-items: center; gap: 8px; font-family: var(--font-title); font-size: .85rem; color: var(--c-title); }
.bar-total-label { color: var(--c-muted); font-weight: 600; }
.bar-gauge { width: 90px; height: 6px; background: var(--c-border-soft); border-radius: 3px; overflow: hidden; }
.bar-gauge i { display: block; height: 100%; width: 0; background: var(--c-success); transition: width .3s; }
.bar-save { font-size: .82rem; color: var(--c-muted); display: inline-flex; align-items: center; gap: 5px; }
.bar-save.is-saved { color: var(--c-success); }
.bar-save.is-pending { color: var(--c-warning); }
.bar-save.is-error { color: var(--c-danger); font-weight: 700; }
.bar-send { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.bar-send:empty { display: none; }
.bar-sent { font-size: .82rem; color: var(--c-success); display: inline-flex; gap: 5px; align-items: center; font-weight: 700; }
.ls-cell, .ls-kid { scroll-margin-top: calc(var(--header-h) + var(--bar-h, 0px) + 12px); }
.act-foot.is-light { margin-top: 10px; gap: 8px; }
/* Tablette et téléphone : les parties sur une seule ligne qui défile, pour garder une barre basse */
@media (max-width: 1099.98px) {
  .bar-parts { flex-wrap: nowrap; overflow-x: auto; flex-basis: 100%; scrollbar-width: thin; padding-bottom: 2px; }
  .bar-chip { min-width: 0; flex: none; }
  .bar-status { flex-direction: row; align-items: center; gap: 12px; margin-left: 0; flex: 1 1 auto; flex-wrap: wrap; }
}

/* ======================================================================
   Smartphone : la grille devient une colonne de lecture (ordre mobile)
   ====================================================================== */
@media (max-width: 760px) {
  :root { --grid-gap: 12px; --header-h: 58px; }
  .hide-sm { display: none; }
  h1 { font-size: 1.55rem; }
  .cmp-title h1 { font-size: 1.6rem; }
  .site-header .inner { gap: 10px; padding: 0 14px; }
  .brand-tag { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: var(--header-h); background: var(--c-surface); flex-direction: column; align-items: stretch; height: auto; border-bottom: 1px solid var(--c-border); padding: 8px; gap: 2px; box-shadow: var(--shadow-lg); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px; border-bottom: 0; border-left: 3px solid transparent; }
  .main-nav a.is-active { border-left-color: var(--c-accent); }
  .site-main { padding: 16px var(--gut) 50px; }
  .cmp { padding: 16px; }
  .cmp.bx-pad-none { padding: 0; }
  .cmp.bx-pad-sm { padding: 10px 12px; }
  .cmp.bx-pad-lg { padding: 20px; }
  .cmp.lk-size.cmp-title h1 { font-size: calc(var(--lk-scale) * 1.6rem); }
  .cmp-title.ttl-step .ttl-meta { flex-basis: 100%; margin-left: 0; padding-left: 42px; }
  .arrow.dir-right .arrow-box, .arrow.dir-left .arrow-box { transform: none; margin: 0; }
  .act-bar { padding: 6px 8px; gap: 6px 10px; }
  .bar-total-label { display: none; }
  .bar-gauge { width: 48px; }
  .bar-save { font-size: .76rem; }
  .bar-sent span { display: none; }
  .bar-send .btn { min-height: 38px; padding: 6px 12px; font-size: .9rem; }
  .tf-btns { gap: 6px; }
  .course-grid { grid-template-columns: 1fr; }
  .score-bar { padding: 14px 16px; }
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal { max-height: 92vh; border-radius: var(--radius) var(--radius) 0 0; }
}
/* Aperçu « Mobile » forcé (iframe de prévisualisation ou classe sur la grille) */
.force-mobile .ls-grid { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; }
.force-mobile .ls-cell { grid-column: 1 / -1; grid-row: auto; order: var(--mo, 0); }
.force-mobile .ls-kid { grid-column: span 20; }

/* ---------- Impression ---------- */
@media print {
  .site-header, .site-footer, .act-actions, .save-state, .test-banner, .seq-nav, .no-print, .toasts { display: none !important; }
  body { background: #fff; }
  .site-main, body.pw-read .site-main { max-width: none; padding: 0; }
  .ls-page .is-sticky { position: static; max-height: none; overflow: visible; }
  .grp-flow[hidden] { display: grid !important; }
  .cmp { box-shadow: none; break-inside: avoid; }
  .acc-panel[hidden] { display: block !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}