:root{--bg: #f1f5f9;--card: #fff;--border: #e2e8f0;--text: #0f172a;--text2: #64748b;--text3: #94a3b8;--blue: #2563eb;--blue-d: #1d4ed8;--red: #ef4444;--green: #16a34a;--amber: #f59e0b;--r: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit}.shell{display:flex;min-height:100vh}.main{flex:1;padding:32px;overflow:auto}.sidebar{width:230px;background:#1e293b;display:flex;flex-direction:column}.sb-logo{padding:20px;border-bottom:1px solid #334155;color:#fff;font-weight:700;font-size:14px}.sb-logo small{display:block;color:#94a3b8;font-weight:400;font-size:11px;margin-top:3px}.sb-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:3px}.sb-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#cbd5e1;text-decoration:none;font-size:13px;font-weight:500}.sb-link:hover{background:#334155;color:#fff}.sb-link.active{background:var(--blue);color:#fff}.sb-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}.sb-lic{margin:0 12px 8px;padding:10px 12px;background:#334155;border-radius:8px}.sb-lic-label{font-size:10px;color:#94a3b8;margin-bottom:5px}.sb-lic-bar{height:5px;background:#475569;border-radius:3px;overflow:hidden;margin-bottom:4px}.sb-lic-fill{height:100%;background:var(--blue);border-radius:3px}.sb-lic-fill.full{background:var(--red)}.sb-lic-num{font-size:11px;color:#cbd5e1;font-weight:600}.sb-sair{margin:8px 12px 14px;background:none;border:none;color:#94a3b8;font-size:13px;padding:8px;border-radius:8px}.sb-sair:hover{background:#334155;color:#fff}.page-title{font-size:20px;font-weight:700;margin-bottom:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r)}.card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-head h2{font-size:15px;font-weight:600}.card-body{padding:20px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px}.stat-icon{font-size:22px;margin-bottom:8px}.stat-num{font-size:24px;font-weight:700}.stat-label{font-size:12px;color:var(--text2);margin-top:2px}.stat.alert .stat-num{color:var(--red)}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;padding:10px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text3);border-bottom:1px solid var(--border)}td{padding:11px 16px;border-bottom:1px solid #f1f5f9}tr:hover td{background:#f8fafc}.btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;border:none}.btn-pri{background:var(--blue);color:#fff}.btn-pri:hover{background:var(--blue-d)}.btn-sec{background:#fff;border:1px solid var(--border);color:var(--text2)}.btn-sec:hover{background:#f8fafc}.btn-danger{background:#fef2f2;color:var(--red);border:1px solid #fecaca}.btn-sm{padding:4px 10px;font-size:12px}.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;background:#eff6ff;color:var(--blue);margin:1px}.badge-on{color:var(--green);font-weight:600;font-size:12px}.badge-off{color:var(--text3);font-size:12px}.status-btn{border:none;font-size:11px;font-weight:600;padding:3px 10px;border-radius:10px}.status-btn.on{background:#f0fdf4;color:var(--green)}.status-btn.off{background:#f1f5f9;color:var(--text3)}.field{margin-bottom:14px}.field label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text2);font-weight:600;margin-bottom:5px}.field input,.field select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;outline:none}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb1a}.erro-msg{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:9px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}.ok-msg{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;padding:9px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}.modal-bg{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:9999}.modal{position:relative;background:#fff;border-radius:16px;width:90%;max-width:480px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d;z-index:10000;overflow:hidden}.modal-head{padding:16px 20px;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;align-items:center;background:#fff}.modal-head h3{font-size:15px;color:#0f172a}.modal-x{background:none;border:none;font-size:22px;color:#94a3b8;cursor:pointer;padding:4px 8px}.modal-x:hover{color:#0f172a}.modal-body{padding:20px;overflow-y:auto;background:#fff}.modal-foot{padding:14px 20px;border-top:1px solid #e2e8f0;display:flex;justify-content:flex-end;gap:8px;background:#f8fafc}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{background:#fff;border-radius:16px;box-shadow:0 10px 40px #00000014;padding:40px;width:100%;max-width:380px}.login-box h1{font-size:20px;text-align:center;margin-bottom:4px}.login-box .sub{text-align:center;color:var(--text2);font-size:13px;margin-bottom:26px}.login-logo{width:56px;height:56px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 16px}.login-link{display:block;text-align:center;margin-top:16px;font-size:13px;color:var(--blue);text-decoration:none;background:none;border:none;width:100%}.turma-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.turma-card{background:#fff;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}.turma-bar{height:5px}.turma-body{padding:16px}.turma-icon{font-size:24px}.turma-nome{font-weight:600;margin:6px 0 2px}.turma-desc{font-size:12px;color:var(--text2)}.turma-meta{font-size:11px;font-family:monospace;color:var(--text3);margin-top:10px;padding-top:10px;border-top:1px solid #f1f5f9}.turma-acoes{display:flex;gap:6px;margin-top:12px}.turma-acoes .btn{flex:1}.notif{display:flex;gap:12px;padding:14px 16px;border-radius:10px;border:1px solid var(--border);background:#fff;margin-bottom:8px}.notif.nao-lida{background:#eff6ff;border-color:#bfdbfe}.notif-icon{font-size:18px}.notif-titulo{font-weight:600;font-size:13px}.notif-msg{font-size:13px;color:var(--text2);margin-top:2px}.notif-data{font-size:11px;color:var(--text3);margin-top:4px}.checkbox-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;margin-bottom:6px;cursor:pointer}.checkbox-row:hover{background:#f8fafc}.muted{color:var(--text3);font-size:13px;text-align:center;padding:32px}