*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f7fa;color:#0c1724}button,input,select,textarea{font:inherit}.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:#07111d;color:#fff;padding:24px 16px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:10px 8px 24px;font-weight:800}.brand img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:10px}.nav{display:grid;gap:6px}.nav button{border:0;background:transparent;color:#c6d0da;text-align:left;padding:12px 13px;border-radius:10px;cursor:pointer}.nav button:hover,.nav button.active{background:#142331;color:#fff}.nav button.active{box-shadow:inset 3px 0 #ff7a1a}.main{padding:26px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.topbar h1{margin:0;font-size:28px}.topbar .sub{color:#6c7783;font-size:14px;margin-top:4px}.actions{display:flex;gap:10px}.btn{border:0;border-radius:10px;padding:10px 14px;cursor:pointer}.btn-primary{background:#ff7a1a;color:#fff}.btn-soft{background:#e9eef3;color:#182635}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat,.panel{background:#fff;border:1px solid #e6ebf0;border-radius:16px;box-shadow:0 4px 18px rgba(10,24,40,.05)}.stat{padding:18px}.stat .label{font-size:13px;color:#6b7785}.stat .value{font-size:30px;font-weight:800;margin-top:7px}.two{grid-template-columns:1.2fr .8fr}.panel{padding:18px}.panel h3{margin:0 0 14px}.section{display:none}.section.active{display:block}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px 10px;border-bottom:1px solid #eef1f4;text-align:left;white-space:nowrap}.table th{color:#65717c;font-size:12px;text-transform:uppercase}.badge{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:11px;background:#edf2f6}.badge.orange{background:#fff0e6;color:#c95b00}.badge.green{background:#eaf8ef;color:#18834b}.toolbar{display:flex;justify-content:space-between;gap:10px;margin-bottom:15px;align-items:center;flex-wrap:wrap}.search{padding:10px 12px;border:1px solid #dbe2e8;border-radius:10px;min-width:260px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;color:#627080}.field input,.field select,.field textarea{padding:10px 12px;border:1px solid #dbe2e8;border-radius:10px;background:#fff}.field textarea{min-height:100px;resize:vertical}.modal{position:fixed;inset:0;background:rgba(3,10,17,.55);display:none;align-items:center;justify-content:center;padding:20px;z-index:20}.modal.open{display:flex}.modal-card{background:#fff;border-radius:16px;padding:22px;max-width:720px;width:100%;max-height:90vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.close{border:0;background:#eef2f5;border-radius:9px;padding:8px;cursor:pointer}.muted{color:#6b7785}.empty{padding:24px;text-align:center;color:#74808c}.login{min-height:100vh;display:grid;place-items:center;background:#07111d}.login-card{background:#fff;width:min(430px,92vw);padding:28px;border-radius:18px}.login-card h1{margin:0 0 6px}.logo{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:12px;border:1px solid #eee;margin-bottom:18px}.notice{padding:12px 14px;border-radius:10px;background:#fff7ef;color:#8b480e;font-size:13px;margin-top:12px}.danger{color:#a22}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.list{display:grid;gap:10px}.list-item{padding:12px;border:1px solid #edf0f3;border-radius:11px}.right{text-align:right}@media(max-width:1020px){.app{grid-template-columns:1fr}.sidebar{position:static;height:auto}.nav{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}}@media(max-width:650px){.main{padding:16px}.stats,.mini-grid,.form-grid{grid-template-columns:1fr}.nav{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.search{min-width:0;width:100%}}
.course-row{display:flex;align-items:center;gap:10px;min-width:220px}.course-thumb{width:78px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:#f2f4f6;display:grid;place-items:center;flex:none}.course-thumb img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;filter:none;transform:none}.course-thumb span{font-weight:900;color:#f9650d}
.image-upload-preview{margin-top:10px;position:relative;aspect-ratio:16/9;max-width:560px;overflow:hidden;border:1px solid #e5e7eb;border-radius:14px;background:#f6f7f9}.image-upload-preview img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;filter:none;transform:none}.image-upload-preview span{position:absolute;left:10px;bottom:10px;padding:7px 9px;border-radius:9px;background:rgba(0,0,0,.62);color:#fff;font-size:11px}


/* Ressources : cartes d’administration et aperçus */
.resource-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.resource-admin-card{display:grid;grid-template-columns:142px minmax(0,1fr);gap:14px;padding:13px;border:1px solid #e8edf2;border-radius:14px;background:#fff;min-width:0}
.resource-admin-cover{aspect-ratio:4/3;overflow:hidden;border-radius:10px;background:#f1f4f7;display:grid;place-items:center}
.resource-admin-cover img{width:100%;height:100%;object-fit:cover;display:block}
.resource-admin-placeholder{width:100%;height:100%;min-height:95px;display:grid;place-content:center;text-align:center;background:linear-gradient(135deg,#101b2b,#293c51);color:#ff8a33;font-size:18px;font-weight:900;letter-spacing:.1em}
.resource-admin-placeholder small{font-size:9px;color:#fff;letter-spacing:.16em}
.resource-admin-content{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:7px}
.resource-admin-content>b{line-height:1.3;overflow-wrap:anywhere}
.resource-admin-tags{display:flex;gap:6px;flex-wrap:wrap}
.resource-admin-description{font-size:12px;line-height:1.45;overflow-wrap:anywhere}
.resource-admin-price{font-size:13px}
.resource-admin-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:5px}
.resource-admin-actions .btn{font-size:12px;padding:8px 10px}
.resource-cover-preview{width:100%;max-width:540px;aspect-ratio:16/9;margin-top:8px;border:1px solid #e5eaf0;border-radius:12px;overflow:hidden;background:#f3f5f7;display:grid;place-items:center}
.resource-cover-preview img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:1050px){.resource-admin-grid{grid-template-columns:1fr}}
@media(max-width:620px){.resource-admin-card{grid-template-columns:100px minmax(0,1fr);gap:10px;padding:10px}.resource-admin-actions .btn{padding:7px 8px;font-size:11px}.resource-admin-cover{min-height:85px}}