:root{
  --bg:#EEF1F8; --card:#FFFFFF; --primary:#3652D9; --primary-dark:#26389E; --primary-light:#E9EDFD;
  --text:#232640; --text-muted:#767A94; --border:#E7E9F5;
  --radius:14px; --radius-sm:10px;
  --shadow:0 10px 26px rgba(35,38,64,0.10); --shadow-sm:0 2px 8px rgba(35,38,64,0.06);
  --blue-bg:#E7F0FF; --blue-tx:#1D4ED8;
  --purple-bg:#F1E9FF; --purple-tx:#6D28D9;
  --amber-bg:#FFF4DA; --amber-tx:#B45309;
  --orange-bg:#FFE9D6; --orange-tx:#C2410C;
  --teal-bg:#DFF7F1; --teal-tx:#0F766E;
  --pink-bg:#FFE4EF; --pink-tx:#BE185D;
  --green-bg:#E3F8E9; --green-tx:#15803D;
  --indigo-bg:#E6E9FF; --indigo-tx:#3730A3;
  --gray-bg:#EEF0F5; --gray-tx:#4B5063;
  --red-bg:#FFE3E3; --red-tx:#C1121F;
  --cyan-bg:#E0F2FE; --cyan-tx:#0369A1;
  --sand-bg:#F3EAD8; --sand-tx:#8B5E34;
  --gold-bg:#FBF3DF; --gold-tx:#8A6D1D;
}
*{box-sizing:border-box;}
html,body{margin:0;}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:15px;line-height:1.55;}
h1,h2,h3,h4,.brand{font-family:'Sora',sans-serif;font-weight:600;}
a{color:inherit;}
button,select,input,textarea{font-family:'Inter',sans-serif;font-size:14px;}

.topbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;}
.topbar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px 10px;}
.brand{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--primary-dark);text-decoration:none;min-width:0;}
.brand-icon{flex:0 0 28px;display:flex;align-items:center;justify-content:center;}
.brand-icon img{width:28px;height:28px;max-width:28px;max-height:28px;object-fit:contain;display:block;}
.brand-wordmark{height:26px;width:auto;max-width:100%;display:block;flex-shrink:1;min-width:0;object-fit:contain;}
.topbar-user{display:flex;align-items:center;gap:14px;}
.topbar-user-info{text-align:right;}
.topbar-user-name{font-weight:700;font-size:13.5px;}
.topbar-user-role{font-size:11.5px;color:var(--text-muted);}
.subnav{max-width:1100px;margin:0 auto;display:flex;gap:8px;padding:2px 20px 14px;overflow-x:auto;}
.subnav-pill{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:1.5px solid var(--border);border-radius:999px;padding:8px 15px;font-weight:700;font-size:13px;text-decoration:none;color:var(--text);}
.subnav-pill i{font-size:16px;}
.subnav-pill.active{background:var(--primary);color:#fff;border-color:var(--primary);}

.page{max-width:1100px;margin:0 auto;padding:22px 20px 60px;}

.flash{border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:18px;font-weight:600;font-size:13.5px;}
.flash-ok{background:var(--green-bg);color:var(--green-tx);}
.flash-error{background:var(--red-bg);color:var(--red-tx);}

.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}

.p-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);}
.p-card-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.p-avatar{width:46px;height:46px;border-radius:13px;overflow:hidden;flex:0 0 46px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary-dark);}
.p-avatar img{width:100%;height:100%;object-fit:cover;display:block;}
.p-row{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;color:var(--text-muted);}
.p-row b{color:var(--text);font-weight:700;}
.progress{height:7px;background:var(--bg);border-radius:999px;overflow:hidden;margin-top:6px;}
.progress-bar{height:100%;background:var(--primary);border-radius:999px;}

.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:800;white-space:nowrap;}

.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px;}
.kpi{background:#F8F9FD;border-radius:var(--radius);padding:16px 18px;}
.kpi .num{font-family:'Sora',sans-serif;font-size:25px;font-weight:700;color:var(--primary-dark);}
.kpi .lbl{font-size:12px;color:var(--text-muted);font-weight:700;}

.c-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;}
.c-list-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border);gap:10px;}
.c-list-row:last-child{border-bottom:none;}
.c-btn{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--border);background:#fff;border-radius:999px;padding:8px 15px;font-size:12.5px;font-weight:700;cursor:pointer;text-decoration:none;color:var(--text);}
.c-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.c-btn[disabled]{opacity:0.5;cursor:default;}

.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--text-muted);margin-bottom:6px;}
.field input, .field select, .field textarea{width:100%;border-radius:10px;border:1.5px solid var(--border);padding:10px 13px;font-size:14px;}
.field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--primary);}
.btn-block{width:100%;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:12px;font-weight:700;font-size:14.5px;cursor:pointer;}
.btn-ghost{width:100%;background:#fff;color:var(--text);border:1.5px solid var(--border);border-radius:12px;padding:10px;font-weight:700;font-size:13.5px;cursor:pointer;margin-top:8px;}

.folder-chip{display:inline-flex;flex-direction:column;align-items:center;gap:6px;min-width:80px;padding:10px 6px;border-radius:var(--radius-sm);border:1.5px solid var(--border);cursor:pointer;text-decoration:none;color:var(--text);}
.folder-chip.active{border-color:var(--primary);background:var(--primary-light);}
.folder-icn{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:17px;}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:2px 0 10px;}

.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:10px;}
.doc-thumb{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);display:block;background:#fff;}
.doc-thumb img{width:100%;display:block;aspect-ratio:4/3;object-fit:cover;}
.doc-cap{font-size:11.5px;color:var(--text-muted);padding:6px 8px;font-weight:700;display:flex;align-items:center;gap:4px;text-decoration:none;}
a.doc-cap:hover{color:var(--primary);text-decoration:underline;}

/* Apercu rapide (lightbox) image/PDF pour les vignettes de document */
.doc-lightbox{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;padding:20px;}
.doc-lightbox-backdrop{position:absolute;inset:0;background:rgba(15,17,30,0.78);}
.doc-lightbox-inner{position:relative;background:#fff;border-radius:16px;max-width:820px;width:100%;max-height:88vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 70px -20px rgba(0,0,0,0.55);}
.doc-lightbox-close{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;border:none;background:rgba(15,17,30,0.65);color:#fff;font-size:19px;cursor:pointer;line-height:1;z-index:2;}
.doc-lightbox-body{flex:1;overflow:auto;background:#F3F4F8;display:flex;align-items:center;justify-content:center;min-height:280px;}
.doc-lightbox-body img{max-width:100%;max-height:70vh;display:block;margin:auto;}
.doc-lightbox-body iframe{width:100%;height:70vh;border:none;display:block;}
.doc-lightbox-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--border);}
.doc-lightbox-title{font-weight:700;font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pdf-tile{aspect-ratio:4/3;background:#F3F4F8;display:flex;align-items:center;justify-content:center;position:relative;color:var(--text-muted);font-size:32px;}
.pdf-badge{position:absolute;top:6px;right:6px;background:var(--red-tx);color:#fff;font-size:9px;font-weight:800;padding:2px 6px;border-radius:6px;}
.roster-thumb{width:40px;height:40px;border-radius:10px;overflow:hidden;background:#F3F4F8;display:flex;align-items:center;justify-content:center;flex:0 0 40px;}
.roster-thumb img{width:100%;height:100%;object-fit:cover;}

.upload-box{border:2px dashed var(--border);border-radius:var(--radius);padding:22px;text-align:center;color:var(--text-muted);font-weight:700;font-size:13px;cursor:pointer;display:block;}
.upload-box i{font-size:26px;display:block;margin-bottom:6px;}
.upload-preview-img{width:160px;height:160px;object-fit:cover;border-radius:var(--radius);display:block;margin-bottom:10px;}

table{width:100%;border-collapse:collapse;}
th{text-align:left;font-size:11px;text-transform:uppercase;color:var(--text-muted);padding:8px 6px;}
td{padding:10px 6px;border-top:1px solid var(--border);font-size:13px;}

.notif-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);}
.notif-row:last-child{border-bottom:none;}
.notif-icn{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 38px;}

.auth-shell{max-width:400px;margin:40px auto;}
.auth-tabs{display:flex;gap:8px;margin-bottom:18px;}
.auth-tabs a{flex:1;text-align:center;padding:10px;border-radius:10px;border:1.5px solid var(--border);background:#fff;font-weight:700;font-size:13px;text-decoration:none;color:var(--text);}
.auth-tabs a.active{background:var(--primary);color:#fff;border-color:var(--primary);}

.list-2col{display:grid;grid-template-columns:1.2fr 1fr;gap:16px;}

@media (max-width:820px){
  .grid-2, .list-2col{grid-template-columns:1fr;}
  .grid-3, .kpi-row{grid-template-columns:1fr 1fr;}
  .topbar-inner{padding:12px 14px 8px;}
  .subnav{padding:2px 14px 12px;}
  .page{padding:16px 14px 60px;}
}

/* --- Espace enseignant (scolarchive_espace_classe.php) -------------------- */
.ec-wrap{max-width:640px;margin:0 auto;padding:0 16px 60px;}
.ec-header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:0 0 20px 20px;padding:28px 20px 22px;margin:0 -16px 18px;text-align:center;}
.ec-header-school{font-size:12px;opacity:0.85;font-weight:600;text-transform:uppercase;letter-spacing:0.4px;}
.ec-header-class{font-family:'Sora',sans-serif;font-size:26px;font-weight:700;margin:4px 0;}
.ec-header-date{font-size:13px;opacity:0.9;display:flex;align-items:center;justify-content:center;gap:6px;}
.ec-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px;}
.ec-card-title{font-family:'Sora',sans-serif;font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.ec-hint{color:var(--text-muted);font-size:12.5px;margin:0 0 14px;line-height:1.5;}
.ec-row{padding:12px 0;border-top:1px solid var(--border);}
.ec-row:first-of-type{border-top:none;}
.ec-row-student{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;margin-bottom:8px;}
.ec-avatar{width:32px;height:32px;border-radius:999px;object-fit:cover;flex:0 0 32px;}
.ec-avatar-fallback{background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;}
.ec-status-group{display:flex;gap:6px;}
.ec-status-btn{flex:1;border:1.5px solid var(--border);background:#fff;border-radius:10px;padding:9px 4px;font-size:12.5px;font-weight:700;cursor:pointer;color:var(--text-muted);}
.ec-status-btn.active.present{background:var(--green-bg);color:var(--green-tx);border-color:var(--green-tx);}
.ec-status-btn.active.retard{background:var(--amber-bg);color:var(--amber-tx);border-color:var(--amber-tx);}
.ec-status-btn.active.absent{background:var(--red-bg);color:var(--red-tx);border-color:var(--red-tx);}
.ec-sanction-toggle{background:none;border:none;color:var(--text-muted);font-size:11.5px;font-weight:700;cursor:pointer;padding:8px 0 0;display:flex;align-items:center;gap:4px;}
.ec-sanction-fields{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.ec-sanction-fields select, .ec-sanction-fields input{flex:1;min-width:140px;border:1.5px solid var(--border);border-radius:8px;padding:8px 10px;font-size:12.5px;}
.ec-submit{width:100%;margin-top:16px;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:13px;font-weight:800;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;}
.ec-submit-alt{background:var(--green-tx);}
.ec-note-label{display:block;font-size:12px;font-weight:700;color:var(--text-muted);margin:10px 0 4px;}
.ec-details textarea, .ec-wrap input[type=text]{width:100%;border:1.5px solid var(--border);border-radius:10px;padding:10px 12px;font-size:13px;font-family:inherit;margin-bottom:2px;}
.ec-details{margin-top:6px;}
.ec-details summary{cursor:pointer;font-weight:700;font-size:13px;color:var(--primary);padding:6px 0;}
.ec-draft-list{background:var(--bg);border-radius:12px;padding:12px;margin-bottom:14px;}
.ec-draft-title{font-size:11px;font-weight:800;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;}
.ec-draft-item{font-size:13px;padding:6px 0;border-top:1px solid var(--border);}
.ec-draft-item:first-child{border-top:none;}
.ec-footer{text-align:center;color:var(--text-muted);font-size:11px;margin-top:18px;}