:root{--bg:#f4f7f8;--panel:#fff;--ink:#17313d;--muted:#657984;--line:#dce5e8;--primary:#2d718f;--primary2:#1f5d79;--success:#267a55;--danger:#b34141;--warning:#a36c23;--shadow:0 14px 36px rgba(27,57,70,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}input,textarea,select{width:100%;border:1px solid #ccd9de;border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink)}textarea{resize:vertical}label{display:grid;gap:6px;font-weight:650;margin:0 0 13px}.muted{color:var(--muted)}.brand{display:flex;align-items:center;gap:11px}.brand strong{display:block}.brand small{display:block;color:#8aa0ab;margin-top:2px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#347f9e,#1f607c);color:#fff;font-weight:800}.brand-big .brand-mark{width:54px;height:54px;border-radius:16px}.brand-big strong{font-size:20px}.app-shell{min-height:100vh;display:grid;grid-template-columns:255px 1fr}.sidebar{background:#102d3a;color:#dbe9ef;padding:22px 16px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;width:255px;z-index:50}.sidebar .brand{padding:0 7px 22px}.sidebar nav{display:grid;gap:6px}.sidebar nav a{display:flex;gap:12px;align-items:center;padding:11px 12px;border-radius:11px;color:#d6e5eb}.sidebar nav a:hover{background:#1a4050;color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid #244655;padding:16px 8px 0;display:grid;gap:4px}.sidebar-user small{color:#8fa9b5}.sidebar-user a{font-size:13px;color:#9ec4d4;margin-top:8px}.main{grid-column:2;min-width:0}.topbar{height:68px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}.menu-btn{display:none;border:0;background:transparent;font-size:24px}.top-user{width:36px;height:36px;border-radius:50%;background:#e4eff3;display:grid;place-items:center;font-weight:700;color:#245f77}.content{padding:30px;max-width:1500px;margin:auto}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.page-head h1{margin:4px 0;font-size:31px;line-height:1.12}.page-head p{margin:0;color:var(--muted)}.eyebrow{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:#4d788d}.notice{padding:13px 15px;border-radius:12px;margin-bottom:16px;border:1px solid}.notice.success{background:#eaf7f0;color:#1e6546;border-color:#b9dfca}.notice.danger{background:#fff0f0;color:#8f3434;border-color:#efc5c5}.notice.info{background:#edf7fb;color:#255f78;border-color:#c7e1ec}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);margin-bottom:20px}.card h2,.card h3{margin-top:0}.narrow{max-width:680px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #bfd0d7;background:#fff;color:#244755;border-radius:10px;padding:10px 15px;font-weight:750;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.secondary{background:#eef4f6}.btn.small{padding:7px 10px;font-size:13px}.btn.full{width:100%}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.inline-form{display:flex;gap:10px;align-items:end}.inline-form>*{margin:0}.inline-form.wrap{flex-wrap:wrap}.check{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:8px;font-weight:550}.check input{width:auto}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);display:grid;gap:4px}.stat-card strong{font-size:32px;color:#235f78}.stat-card span{color:var(--muted)}.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.module-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:25px}.module-card{position:relative;background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent,#2d718f);padding:21px;border-radius:16px;box-shadow:var(--shadow);transition:.18s}.module-card:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(27,57,70,.12)}.module-card.static:hover{transform:none}.module-card h2,.module-card h3{margin:9px 0}.module-card p{color:var(--muted);line-height:1.45}.module-num{display:inline-grid;place-items:center;min-width:30px;height:30px;border-radius:9px;background:color-mix(in srgb,var(--accent,#2d718f) 12%,white);color:var(--accent,#2d718f);font-weight:850}.progress{height:8px;background:#e5ecef;border-radius:99px;overflow:hidden;margin:13px 0 8px}.progress span{display:block;height:100%;background:var(--accent,var(--primary));border-radius:inherit}.progress.large{height:10px;max-width:520px}.module-hero{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 11%,white),#fff);border:1px solid color-mix(in srgb,var(--accent) 18%,#dbe4e8);border-radius:20px;padding:28px;margin-bottom:22px}.module-hero h1{margin:6px 0 8px;font-size:32px}.module-hero p{max-width:900px;color:#556c77}.back{display:inline-block;color:#4c788d;margin-bottom:15px;font-weight:700}.activity-list{display:grid;gap:10px}.activity-row{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}.activity-row:hover{border-color:#adc7d1}.activity-row.locked{opacity:.55;cursor:not-allowed}.activity-row small{display:block;color:var(--muted);margin-top:3px}.step{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#e9f2f6;color:#275e75;font-weight:850}.step.big{width:48px;height:48px;border-radius:14px;font-size:18px}.status{font-size:12px;font-weight:800;padding:6px 9px;border-radius:99px;background:#eef3f5;color:#60747e}.status.validated{background:#e3f4eb;color:#236746}.status.submitted{background:#fff2dc;color:#83571f}.status.revision{background:#fde8e8;color:#993c3c}.activity-page{display:grid;grid-template-columns:minmax(0,1fr) 410px;gap:22px}.activity-title{display:flex;gap:14px;align-items:center;margin-bottom:18px}.activity-title h1{margin:4px 0;font-size:29px}.chips{display:flex;gap:7px;flex-wrap:wrap}.chips span{font-size:12px;padding:5px 8px;background:#eef4f6;border-radius:99px;color:#4a6976}.instruction{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;line-height:1.55;margin-bottom:14px;white-space:normal}.course{background:#f7fafb;border:1px solid var(--line);border-radius:13px;padding:12px 14px;margin-bottom:16px}.course summary{font-weight:800;cursor:pointer}.activity-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.question{padding:14px 0;border-bottom:1px solid #edf1f3}.question:first-child{padding-top:0}.question:last-child{border-bottom:0}.question legend,.question>label{font-weight:760;margin-bottom:8px}.choice{display:flex;grid-template-columns:auto 1fr;align-items:flex-start;gap:8px;padding:7px 0;margin:0;font-weight:500}.choice input{width:auto;margin-top:3px}.order-q{display:grid;grid-template-columns:1fr 110px;gap:12px;align-items:center}.order-label{font-weight:650}.worksheet{display:grid;gap:12px}.worksheet-row{display:grid;grid-template-columns:230px 1fr;gap:14px;align-items:start;padding:12px 0;border-bottom:1px solid #edf1f3}.worksheet-row label{margin:0}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.submission-info{background:#f6fafb;border:1px solid var(--line);border-radius:13px;padding:12px 14px;margin-bottom:14px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}.submission-info p{width:100%;margin:3px 0}.resource-panel{position:sticky;top:92px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);max-height:calc(100vh - 115px);overflow:auto}.resource-panel h2{margin:0 0 12px}.resource-card{width:100%;text-align:left;border:1px solid var(--line);background:#f9fbfc;border-radius:11px;padding:11px;margin-bottom:8px;cursor:pointer}.resource-card strong,.resource-card small{display:block}.resource-card small{color:var(--muted);margin-top:3px}.resource-card.active{border-color:#6fa8bd;background:#eef7fa}.resource-viewer{min-height:420px;border:1px dashed #cbd9de;border-radius:11px;margin-top:12px;overflow:hidden;display:grid;place-items:center;color:var(--muted);background:#fafcfc}.resource-viewer iframe{width:100%;height:570px;border:0}.resource-viewer img{max-width:100%;height:auto}.resource-viewer a{color:var(--primary);font-weight:700}.file-link{display:block;padding:8px 0;color:#286783;font-weight:650}.teacher-correction{border-left:4px solid #d3a654}.class-tabs,.admin-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.chip-link,.admin-tabs a{background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 12px;font-weight:700}.card-head{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e8eef0;vertical-align:top}th{font-size:12px;color:#647982;text-transform:uppercase;letter-spacing:.04em}.student-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.student-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;gap:11px;align-items:center}.student-card small{display:block;color:var(--muted);margin-top:3px}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e7f1f5;color:#2b657d;font-weight:850}.review-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:20px}.response-pre{background:#f7fafb;border:1px solid var(--line);padding:14px;border-radius:12px;overflow:auto;white-space:pre-wrap}.competence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.competence-card{border:1px solid var(--line);border-radius:12px;padding:13px;display:grid;gap:7px}.level{display:inline-flex;width:max-content;padding:5px 8px;border-radius:99px;font-size:12px;font-weight:800}.level.l0{background:#fde8e8;color:#973b3b}.level.l1{background:#fff1d9;color:#875b1f}.level.l2{background:#e7f2fa;color:#2d627b}.level.l3{background:#e2f4e9;color:#236746}.quick-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.quick{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;display:flex;gap:14px;align-items:center}.quick>span{font-size:26px}.quick small{display:block;color:var(--muted);margin-top:3px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.module-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.module-admin{border-top:4px solid var(--accent)}.actions{display:flex;gap:8px;align-items:center}.actions form{margin:0}.assign-form{display:flex;gap:8px;margin-top:12px}.announcement{padding:13px 0;border-bottom:1px solid #edf1f3}.announcement:last-child{border:0}.announcement strong,.announcement small{display:block}.announcement small{color:var(--muted);margin-top:4px}.announcement p{margin:7px 0}.section-head{display:flex;justify-content:space-between;align-items:center;margin:22px 0 12px}.section-head h2{margin:0}.section-head a{color:var(--primary);font-weight:750}.empty{background:#fff;border:1px dashed #cbd9de;color:var(--muted);border-radius:14px;padding:28px;text-align:center}.empty.small{padding:15px}.login-body,.setup-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dceff7,transparent 38%),#f3f7f8;padding:22px}.login-card,.setup-card{width:min(470px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 28px 70px rgba(20,52,66,.14)}.setup-wrap{width:min(860px,100%)}.setup-card{width:100%}.login-card h1{margin:25px 0 6px}.setup-card h2{font-size:17px;margin:25px 0 12px}@media(max-width:1100px){.activity-page{grid-template-columns:1fr}.resource-panel{position:static;max-height:none}.resource-viewer{min-height:300px}.module-grid.compact,.student-grid,.competence-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:820px){.app-shell{display:block}.sidebar{transform:translateX(-102%);transition:.22s}.sidebar.open{transform:translateX(0)}.main{margin:0}.menu-btn{display:block}.content{padding:20px 14px}.topbar{padding:0 15px}.module-grid,.module-grid.compact,.stat-grid,.student-grid,.admin-grid,.module-admin-grid,.quick-actions,.review-grid{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.worksheet-row{grid-template-columns:1fr}.page-head h1{font-size:26px}.activity-title h1{font-size:24px}.module-hero{padding:20px}.module-hero h1{font-size:27px}.inline-form{align-items:stretch;flex-direction:column}.assign-form{flex-direction:column}}
/* ===== V2 : annexes, suivi compétences, administration et chat ===== */
.btn.danger{background:#fff0f0;border-color:#e5b8b8;color:#9b3535}.nav-badge,.unread-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:#d84a4a;color:#fff;font-size:11px;margin-left:auto}.sidebar nav a .nav-badge{margin-left:auto}
.resource-toolbar{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;background:#eef4f6;border-bottom:1px solid #dce5e8}.resource-toolbar>div{display:flex;gap:7px;flex-wrap:wrap}.resource-viewer{display:block}.resource-viewer iframe{display:block;width:100%;height:650px;border:0;background:#fff}.resource-image-wrap{padding:10px;text-align:center;background:#fff}.resource-image-wrap img{max-width:100%;max-height:75vh;object-fit:contain}.resource-download{padding:35px 20px;text-align:center}
.mastery-gauge{display:grid;gap:7px;min-width:140px}.gauge-track{height:11px;background:#e8eef0;border-radius:99px;overflow:hidden}.gauge-fill{display:block;height:100%;border-radius:inherit}.gauge-fill.l0{background:#c94d4d}.gauge-fill.l1{background:#d89938}.gauge-fill.l2{background:#3f8cb4}.gauge-fill.l3{background:#35a36c}.gauge-meta{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.gauge-meta strong{font-size:14px}.gauge-meta small{color:var(--muted);text-align:right}.mastery-gauge.mini{min-width:125px}.mastery-gauge.mini .gauge-track{height:8px}.mastery-gauge.mini .gauge-meta{display:block}.mastery-gauge.mini .gauge-meta small{display:block;text-align:left;font-size:10px}.mastery-gauge.compact .gauge-track{height:9px}.gauge-empty{font-size:12px;color:#8a9ba3;font-style:italic}.competence-gauge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.competence-gauge-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px}.competence-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.trend{font-size:22px;font-weight:800;color:#507785}.priority-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.priority-item{border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:9px}.competence-matrix-wrap{max-height:70vh}.competence-matrix th:first-child,.competence-matrix td:first-child{position:sticky;left:0;background:#fff;z-index:2;min-width:180px}.competence-matrix th{white-space:nowrap}.competence-matrix td{min-width:150px}.recommended-list{display:grid;gap:14px}.recommended-item{display:grid;grid-template-columns:160px 1fr;gap:12px;align-items:start;padding-bottom:12px;border-bottom:1px solid #edf1f3}.recommended-item>div{display:flex;flex-wrap:wrap;gap:7px}
.resource-admin-list{display:grid;gap:14px}.resource-admin-item{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fafcfc;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:start}.resource-admin-item form{margin:0}.resource-admin-file{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}.resource-admin-file label{margin:0}
.chat-layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:18px}.chat-contacts{padding:12px;max-height:74vh;overflow:auto}.chat-contacts h2{padding:6px 7px 10px;margin:0}.chat-contact{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;padding:10px;border-radius:12px}.chat-contact:hover,.chat-contact.active{background:#eef6f9}.chat-contact small{display:block;color:var(--muted);margin-top:2px}.chat-panel{padding:0;overflow:hidden;display:grid;grid-template-rows:auto minmax(360px,1fr) auto;min-height:68vh}.chat-title{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}.chat-title h2{margin:0}.chat-title small{color:var(--muted)}.status-dot{width:10px;height:10px;border-radius:50%;background:#36a26c}.chat-thread{padding:18px;overflow:auto;display:flex;flex-direction:column;gap:10px;background:#f7fafb}.chat-message{max-width:min(75%,680px);padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:0 5px 16px rgba(27,57,70,.05)}.chat-message.mine{align-self:flex-end;background:#e7f3f8;border-color:#c5dfe9}.chat-message.theirs{align-self:flex-start}.chat-message p{margin:0 0 5px;white-space:pre-wrap;line-height:1.45}.chat-message small{color:var(--muted);font-size:10px}.chat-compose{display:grid;grid-template-columns:1fr auto;gap:10px;padding:14px;border-top:1px solid var(--line);background:#fff}.chat-compose textarea{margin:0;resize:none}.chat-compose .btn{align-self:stretch}
@media(max-width:1100px){.resource-viewer iframe{height:70vh;min-height:500px}.competence-gauge-grid,.priority-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chat-layout{grid-template-columns:260px 1fr}}
@media(max-width:820px){.resource-toolbar{align-items:flex-start;flex-direction:column}.resource-toolbar>div{width:100%}.resource-toolbar .btn{flex:1}.resource-viewer iframe{height:65vh;min-height:480px}.competence-gauge-grid,.priority-grid,.chat-layout{grid-template-columns:1fr}.resource-admin-item{grid-template-columns:1fr}.resource-admin-file{grid-template-columns:1fr}.chat-contacts{max-height:250px}.chat-panel{min-height:62vh}.chat-compose{grid-template-columns:1fr}.chat-message{max-width:90%}.recommended-item{grid-template-columns:1fr}}
@media print{.sidebar,.topbar,.class-tabs,.btn,.chat-layout,.admin-tabs{display:none!important}.main{grid-column:1;margin:0}.content{padding:0}.card{box-shadow:none;break-inside:avoid}.competence-matrix-wrap{max-height:none;overflow:visible}}