@charset "UTF-8";
:root{--ink:#1d2938;--muted:#6a7582;--line:#dfe4e8;--paper:#fff;--bg:#f5f6f8;--accent:#b63d2e;--accent-soft:#fff0ec;--green:#28745b;--nav:#152233}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
button,input,select{font:inherit}
button,a,input,select{touch-action:manipulation}
button{cursor:pointer;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:9px 13px;font-weight:600}
button:disabled{cursor:wait;opacity:.55}
button:hover:not(:disabled){filter:brightness(.97)}
:focus-visible{outline:3px solid #5787bc;outline-offset:3px}
a{color:var(--accent)}
[hidden]{display:none!important}
h1,h2,p{margin-top:0}
label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}
input[type=password],input[type=search],select{width:100%;border:1px solid #cbd2d9;background:#fff;border-radius:8px;padding:11px 12px;color:var(--ink)}
input[type=password],input[type=file]{margin-bottom:16px}
input[type=checkbox]{width:19px;height:19px;accent-color:var(--accent);vertical-align:middle}
.wordmark{font-size:15px;letter-spacing:.07em;font-weight:800;text-decoration:none;color:var(--ink);white-space:nowrap}
.wordmark span{color:var(--accent)}
.eyebrow{font-size:10px;letter-spacing:.14em;font-weight:750;color:var(--accent);display:block}
.muted{color:var(--muted)}
.small{font-size:12px}
.primary{background:var(--accent);color:white;border-color:var(--accent)}
.quiet{background:transparent;font-size:12px}
.danger{background:#fff;color:#a6362b;border-color:#e6c5bf;font-size:12px}
.error{color:#ad3027;font-size:13px;min-height:20px}
.login-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:32px 20px;background:radial-gradient(ellipse at 80% 20%,#f4e4dc,transparent 55%),#f4f3ef}
.login-wrap>.wordmark{margin-bottom:30px}
.login-card{background:white;width:100%;max-width:460px;border:1px solid #e4dfd8;border-radius:18px;padding:38px;box-shadow:0 14px 50px #25314509}
.login-card h1{font-size:32px;letter-spacing:-.04em;line-height:1.18;margin:12px 0 18px}
.login-card .muted{font-size:14px;margin-bottom:25px}
.login-card .primary{width:100%;display:flex;justify-content:space-between;padding:12px 16px}
.login-link{text-align:center;font-size:12px;margin-bottom:0}
.login-wrap>.muted{margin-top:25px}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:26px;padding:0 26px}
.role-tag{font-size:10px;color:var(--muted);font-weight:700;letter-spacing:.1em}
.top-actions{margin-left:auto;display:flex;gap:8px}
.workspace{display:grid;grid-template-columns:365px minmax(0,1fr);height:calc(100dvh - 68px)}
.sidebar{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side-heading{padding:24px 24px 12px}
.side-heading h1{font-size:24px;letter-spacing:-.04em;margin:5px 0 22px}
.side-heading select{font-size:12px}
.side-heading label{color:var(--muted);font-size:11px}
.progress-track{height:4px;border-radius:10px;background:#eceff1;margin-top:18px;overflow:hidden}
.progress-track span{display:block;height:100%;background:var(--accent);transition:width .2s;width:0}
#count{margin:6px 0 0}
.filterbar{padding:0 24px 12px;border-bottom:1px solid var(--line)}
.filterbar input[type=search]{font-size:12px;padding:9px 11px;margin-bottom:8px}
.filterbar label{font-weight:400;color:var(--muted)}
.filterbar input[type=checkbox]{width:14px;height:14px}
#units{overflow:auto;padding:8px 14px 24px;flex:1}
.chapter-heading{font-size:10px;text-transform:uppercase;letter-spacing:.06em;margin:22px 10px 8px;color:var(--muted);font-weight:750}
.unit{display:flex;align-items:flex-start;border-radius:8px;margin:3px 0;border:1px solid transparent}
.unit:hover{background:#f5f6f8}
.unit.published{background:#f1f7f3;border-color:#e2ede6}
.publish-toggle{margin:0;padding:13px 0 9px 10px;cursor:pointer;display:flex}
.unit-link{border:0;background:transparent;flex:1;min-width:0;text-align:left;padding:10px;font-weight:550;line-height:1.4}
.unit-link>span{display:block;font-size:12px}
.unit-link small{display:block;font-size:10px;color:var(--muted);margin-top:4px;font-weight:400}
.unit.published .unit-link small{color:var(--green)}
.side-bottom{padding:13px 24px;border-top:1px solid var(--line)}
.side-bottom button{width:100%}
.reading{display:flex;flex-direction:column;min-height:0;min-width:0}
.reading-bar{min-height:57px;flex-shrink:0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:10px 22px;gap:12px;background:#fafbfc;font-size:11px;color:var(--muted)}
.status-dot{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:7px}
.preview-switch{display:flex;border:1px solid #d8dde3;padding:3px;border-radius:8px;gap:2px;background:#eef0f3}
.preview-switch button{font-size:11px;padding:5px 10px;border:0;background:transparent;color:var(--muted)}
.preview-switch button.active{background:white;color:var(--ink);box-shadow:0 1px 3px #0001}
#reader{width:100%;border:0;flex:1;min-height:0;background:#f6f5f2}
.empty{margin:auto;padding:50px 30px;text-align:center;max-width:500px}
.empty h2{font-size:24px;line-height:1.3;letter-spacing:-.025em}
.empty p{font-size:14px;color:var(--muted)}
.empty-icon{width:68px;height:68px;border-radius:18px;background:var(--accent-soft);color:var(--accent);font:750 20px/68px ui-monospace,monospace;display:inline-block;margin-bottom:25px}
.settings{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:24px 35px;background:#fff;border-bottom:1px solid var(--line)}
.settings h2{font-size:18px}
.settings input{max-width:500px}
.settings form{max-width:500px}
.notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--nav);color:#fff;border-radius:10px;padding:13px 20px;box-shadow:0 4px 18px #0002;z-index:100;font-size:13px}
.notice.is-error{background:#9e3027}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(min-width:900px){body:has(.settings:not([hidden])) .workspace{height:calc(100dvh - 68px);min-height:650px}}
@media(max-width:1100px){.workspace{grid-template-columns:310px minmax(0,1fr)}.reading-bar{flex-wrap:wrap}.topbar{gap:16px}}
@media(max-width:899px){.workspace{display:flex;flex-direction:column;height:auto}.sidebar{max-height:52dvh;border-right:0;border-bottom:1px solid var(--line)}.side-heading{padding:18px 20px 10px}.side-heading h1{margin-bottom:12px;font-size:21px}.side-heading select{max-width:100%}#units{min-height:100px}.reading{height:88dvh;min-height:500px}.topbar{height:auto;min-height:68px;padding:14px 16px;flex-wrap:wrap;gap:8px}.role-tag{display:none}.top-actions{gap:6px}.top-actions button{font-size:10px;padding:7px}.settings{grid-template-columns:1fr;gap:25px;padding:24px 20px}.reading-bar{padding:10px 15px}.login-card{padding:30px 24px}.login-card h1{font-size:29px}.student .sidebar{max-height:38dvh}}
@media print{.topbar,.sidebar,.reading-bar,.settings,.notice{display:none!important}.workspace{display:block;height:auto}#reader{height:100vh}}

/* Publication des exercices et de leurs corrigés au même endroit. */
.exercise-bundle{border:1px solid var(--line);border-radius:10px;margin:7px 0;padding:3px;background:#fafbfc}
.exercise-bundle .unit{margin:0}
.exercise-bundle .paired-correction{margin-top:2px;border-top:1px dashed var(--line);border-top-left-radius:0;border-top-right-radius:0}
.paired-correction .unit-link>span{font-size:11px}
.paired-correction .unit-link small{font-size:10px}

/* Menu compact et suivi de la publication active, sans déplacer la page extérieure. */
.unit .unit-link{display:flex;align-items:baseline;gap:7px;padding:8px}
.unit .unit-link .unit-name{display:inline;flex:1;min-width:0;font-size:12px;line-height:1.4}
.unit-kind{font-weight:750}
.unit .unit-link .unit-status{display:inline;flex-shrink:0;margin:0;padding:1px 4px;border-radius:4px;background:#eef0f2;font-size:9px;line-height:1.5;font-weight:500}
.unit.published .unit-link .unit-status{background:#e2eee6}
.unit .publish-toggle{padding:8px 0 6px 8px}
.unit.current{background:#fff0ec;border-color:#c96a59;box-shadow:inset 3px 0 0 var(--accent)}
.unit.current .unit-link{color:#8c3024}
.exercise-bundle .unit.current{border-radius:6px}