:root{--cyan:#01B6FF;--cyan-dark:#008AC2;--navy:#1E3A5F;--white:#FFFFFF;--bg:#F4F8FB;--text:#2C3E50;--text-light:#6B7E93;--border:#D6E8F5;--green:#1a9e5c;--green-bg:#e8f8ef;--orange:#e67e22;--card-shadow:0 2px 12px rgba(30,58,95,0.08);}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Arial",sans-serif;background:var(--bg);color:var(--text);}
.layout{display:flex;min-height:100vh;}
.main-content{margin-left:240px;flex:1;padding:32px;}
.sidebar{width:240px;background:var(--navy);min-height:100vh;display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:100;}
.sidebar-logo{background:white;padding:14px 18px;border-bottom:3px solid var(--cyan);}
.sidebar-logo img{width:100%;height:auto;max-height:56px;object-fit:contain;display:block;}
.sidebar-user{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--cyan);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--navy);flex-shrink:0;}
.user-info .name{font-size:.88rem;font-weight:700;color:white;}
.user-info .role{font-size:.73rem;color:rgba(255,255,255,0.4);margin-top:2px;}
.sidebar-nav{padding:14px 0;flex:1;}
.nav-label{font-size:.65rem;font-weight:700;color:rgba(255,255,255,0.3);letter-spacing:.12em;text-transform:uppercase;padding:8px 20px 4px;}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 20px;cursor:pointer;color:rgba(255,255,255,0.55);font-size:.88rem;transition:all .2s;border-left:3px solid transparent;text-decoration:none;}
.nav-item:hover{color:white;background:rgba(255,255,255,0.05);}
.nav-item.active{color:var(--cyan);background:rgba(1,182,255,0.08);border-left-color:var(--cyan);font-weight:600;}
.nav-icon{width:18px;text-align:center;font-size:1rem;flex-shrink:0;}
.notif-badge{margin-left:auto;background:var(--cyan);color:var(--navy);font-size:.65rem;font-weight:700;padding:2px 7px;border-radius:10px;}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.08);}
.logout{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,0.35);font-size:.82rem;text-decoration:none;}
.logout:hover{color:rgba(255,255,255,0.7);}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px;}
.topbar h1{font-size:1.5rem;font-weight:700;color:var(--navy);}
.topbar .sub{font-size:.82rem;color:var(--text-light);margin-top:3px;}
.topbar-actions{display:flex;gap:10px;}
.stats-row{display:grid;gap:16px;margin-bottom:28px;}
.stats-4{grid-template-columns:repeat(4,1fr);}
.stats-5{grid-template-columns:repeat(5,1fr);}
.stats-3{grid-template-columns:repeat(3,1fr);}
.stat-card{background:white;border-radius:12px;padding:18px 20px;box-shadow:var(--card-shadow);border-top:3px solid var(--cyan);display:flex;align-items:center;gap:14px;}
.stat-icon{width:44px;height:44px;border-radius:10px;background:rgba(1,182,255,0.1);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.stat-value{font-size:1.5rem;font-weight:700;color:var(--navy);line-height:1;}
.stat-label{font-size:.75rem;color:var(--text-light);margin-top:4px;}
.card{background:white;border-radius:12px;box-shadow:var(--card-shadow);overflow:hidden;margin-bottom:24px;}
.card-head{padding:14px 20px;border-bottom:1px solid var(--border);font-size:1rem;font-weight:700;color:var(--navy);display:flex;justify-content:space-between;align-items:center;}
.card-body{padding:20px;}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.section-header h2{font-size:1.05rem;font-weight:700;color:var(--navy);}
.table-card{background:white;border-radius:12px;box-shadow:var(--card-shadow);overflow:hidden;margin-bottom:24px;}
.table-toolbar{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;gap:10px;}
.search-input{flex:1;padding:8px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:Arial,sans-serif;font-size:.85rem;outline:none;}
.search-input:focus{border-color:var(--cyan);}
table{width:100%;border-collapse:collapse;}
thead tr{background:var(--bg);}
thead th{padding:10px 16px;text-align:left;font-size:.72rem;font-weight:700;color:var(--text-light);letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--border);}
tbody tr{transition:background .15s;}
tbody tr:hover{background:rgba(1,182,255,0.03);}
tbody td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.86rem;}
tbody tr:last-child td{border-bottom:none;}
.badge{font-size:.7rem;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap;display:inline-block;}
.badge-active{background:var(--green-bg);color:var(--green);}
.badge-pending{background:#fef3e2;color:var(--orange);}
.badge-inactive{background:#fdecea;color:#c0392b;}
.badge-cyan{background:rgba(1,182,255,0.1);color:var(--cyan-dark);}
.mini-avatar{width:32px;height:32px;border-radius:50%;background:var(--navy);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;flex-shrink:0;}
.eleve-name{display:flex;align-items:center;gap:10px;}
.eleve-name .full{font-weight:600;color:var(--navy);font-size:.88rem;}
.eleve-name .email{font-size:.73rem;color:var(--text-light);}
.flash{padding:12px 18px;border-radius:8px;margin-bottom:20px;font-size:.88rem;font-weight:600;}
.flash-success{background:var(--green-bg);color:var(--green);border:1px solid rgba(26,158,92,0.2);}
.flash-error{background:#fdecea;color:#c0392b;border:1px solid rgba(192,57,43,0.15);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.formation-card{background:white;border-radius:12px;box-shadow:var(--card-shadow);overflow:hidden;cursor:pointer;transition:box-shadow .2s,transform .15s;}
.formation-card:hover{box-shadow:0 6px 24px rgba(30,58,95,0.14);transform:translateY(-3px);}
.formation-card-header{background:var(--navy);padding:20px;display:flex;align-items:center;justify-content:space-between;}
.formation-card-body{padding:16px;}
.formation-card-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.course-row{background:white;border-radius:12px;padding:16px 20px;box-shadow:var(--card-shadow);display:flex;align-items:center;gap:16px;margin-bottom:12px;border-left:4px solid var(--cyan);text-decoration:none;color:inherit;}
.course-row:hover{box-shadow:0 4px 20px rgba(30,58,95,0.13);}
.course-badge{width:44px;height:44px;border-radius:10px;background:var(--navy);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.progress-wrap{width:120px;}
.progress-pct{font-size:.72rem;color:var(--text-light);margin-bottom:4px;}
.progress-bar{height:5px;background:var(--border);border-radius:3px;overflow:hidden;}
.progress-fill{height:100%;background:var(--cyan);border-radius:3px;transition:width .4s;}
@media(max-width:900px){.sidebar{width:60px;}.sidebar .user-info,.sidebar .nav-label{display:none;}.main-content{margin-left:60px;}.stats-4,.stats-5{grid-template-columns:repeat(2,1fr);}.grid-2,.grid-3{grid-template-columns:1fr;}}