:root{color-scheme:light;font-family:Manrope,Trebuchet MS,Segoe UI,sans-serif;line-height:1.4;--bg: #f3f6fb;--surface: #ffffff;--text: #172033;--muted: #5d687f;--stroke: #d9e0eb;--nav: #112b4d;--nav-hover: #1f3f66;--primary: #1f5fa8;--success: #0e9f6e;--warning: #c77817;--critical: #c43b32;--radius: 14px;--shadow: 0 8px 24px rgba(10, 33, 67, .08)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#f8fbff,var(--bg) 58%);color:var(--text)}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{background:var(--nav);color:#fff;padding:20px 16px}.brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.brand-mark{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-weight:800;background:linear-gradient(155deg,#1f5fa8,#2f7cc7)}.brand-title{margin:0;font-size:17px;font-weight:700}.brand-subtitle{margin:0;opacity:.75;font-size:12px}.sidebar-nav{display:flex;flex-direction:column;gap:6px}.nav-link{color:#d9e3f4;text-decoration:none;padding:9px 10px;border-radius:10px;transition:background .2s ease}.nav-link.router-link-active{background:#2a4a72;color:#f3f8ff}.nav-link:hover{background:var(--nav-hover)}.logout-link{margin-top:auto;border:0;text-align:left;cursor:pointer}.sidebar{display:flex;flex-direction:column}.content{padding:20px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;animation:rise-in .35s ease both}.topbar input{width:min(100%,480px);border:1px solid var(--stroke);border-radius:10px;padding:10px 12px;background:var(--surface)}.topbar-actions{display:flex;align-items:center;gap:10px}.chip,.icon-btn{border:1px solid var(--stroke);background:var(--surface);border-radius:10px;height:36px;padding:0 12px;color:var(--text);font-weight:600}.icon-btn{width:36px;padding:0}.avatar{width:36px;height:36px;border-radius:10px;background:#dde8f7;color:#184173;display:grid;place-items:center;font-size:12px;font-weight:800}.user-info{display:grid;line-height:1.1;justify-items:end}.user-info strong{font-size:13px}.user-info span{color:var(--muted);font-size:12px;text-transform:capitalize}.panel{background:var(--surface);border:1px solid #e0e7f1;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);animation:rise-in .4s ease both}.page{display:grid;gap:16px}.page-header h1{margin:0 0 6px;font-size:28px;letter-spacing:-.02em}.page-header p{margin:0;color:var(--muted)}.kpi-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.kpi-card{position:relative;background:var(--surface);border:1px solid #dbe4f1;border-radius:12px;padding:14px}.kpi-card p{margin:0 0 5px;color:var(--muted);font-size:13px}.kpi-card h3{margin:0;font-size:24px}.dot{position:absolute;right:12px;top:12px;width:8px;height:8px;border-radius:999px}.dot-info{background:var(--primary)}.dot-success{background:var(--success)}.dot-warning{background:var(--warning)}.dot-critical{background:var(--critical)}.dashboard-grid{display:grid;gap:12px;grid-template-columns:1.5fr 1fr}.chart-panel{min-height:260px}.bars{display:flex;gap:12px;align-items:flex-end;height:180px;margin-top:20px}.bar-wrap{display:grid;gap:8px;justify-items:center}.bar{width:26px;min-height:10px;background:linear-gradient(180deg,#77a8df,#1f5fa8);border-radius:8px 8px 4px 4px}.bar-wrap span{font-size:12px;color:var(--muted)}.clean-list{padding-left:18px;margin:8px 0 0;display:grid;gap:7px}.error-banner{margin:0;padding:10px 12px;border:1px solid #f3c5bf;border-radius:10px;background:#fff2f0;color:#8e2d26;font-size:14px;font-weight:600}.toast{position:fixed;right:22px;top:20px;z-index:80;border-radius:10px;padding:10px 14px;font-size:14px;font-weight:700;box-shadow:var(--shadow);border:1px solid transparent}.toast-success{background:#edf9f3;border-color:#bee8d2;color:#116342}.toast-error{background:#fff2f0;border-color:#f3c5bf;color:#8e2d26}.hint{margin:12px 0 0;color:var(--muted);font-size:13px}.courses-table{width:100%;border-collapse:collapse;font-size:14px}.courses-table th,.courses-table td{text-align:left;border-bottom:1px solid #e9eef5;padding:10px 8px}.courses-table th{color:var(--muted);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table-toolbar{display:flex;align-items:end;gap:12px;margin-bottom:14px;flex-wrap:wrap}.table-toolbar label{display:grid;gap:6px;font-size:13px;color:var(--muted);font-weight:600}.table-toolbar select{border:1px solid var(--stroke);border-radius:10px;padding:8px 10px;min-width:180px;font:inherit;background:var(--surface);color:var(--text)}.toolbar-hint{margin-left:auto}.quick-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.quick-filter-btn{border:1px solid #cfd8e7;border-radius:999px;padding:6px 11px;background:#f5f8fc;color:#27456f;font-size:12px;font-weight:700;cursor:pointer}.quick-filter-btn.active{border-color:#9fc1ee;background:#eaf2fe;color:#1b4d8a}.enroll-kpis{grid-template-columns:repeat(5,minmax(0,1fr))}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.table-action{border:1px solid #cfd8e7;border-radius:8px;padding:5px 9px;background:#f5f8fc;color:#27456f;font-size:12px;font-weight:700;cursor:pointer}.table-action-danger{border-color:#f0c8c3;color:#8e2d26;background:#fff5f4}.table-action-success{border-color:#b9e4cf;color:#116342;background:#edf9f3}.table-action:disabled{opacity:.6;cursor:not-allowed}.status-chip{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700;border:1px solid transparent}.status-chip-success{background:#edf9f3;border-color:#b9e4cf;color:#116342}.status-chip-warning{background:#fff8ec;border-color:#f1ddb4;color:#8b5b12}.status-chip-critical{background:#fff2f0;border-color:#f3c5bf;color:#8e2d26}.status-chip-info{background:#eef4fd;border-color:#cedef8;color:#27456f}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0c182a59;display:grid;place-items:center;padding:20px;z-index:70}.dialog-card{width:min(100%,460px);background:var(--surface);border:1px solid #d6e1f0;border-radius:14px;padding:18px;box-shadow:var(--shadow)}.dialog-card h2{margin:0 0 8px;font-size:22px}.dialog-card p{margin:0;color:var(--muted)}.dialog-actions{margin-top:14px;display:flex;justify-content:end;gap:8px;flex-wrap:wrap}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 0,#e8f1ff,#f3f6fb 45%)}.login-card{width:min(100%,460px);background:var(--surface);border:1px solid #d7e0ee;border-radius:18px;padding:24px;box-shadow:var(--shadow)}.login-card h1{margin:0 0 8px;font-size:28px}.login-card p{margin:0;color:var(--muted)}.login-form{margin-top:18px;display:grid;gap:12px}.login-form label{display:grid;gap:6px;font-size:14px;font-weight:600}.login-form input{border:1px solid var(--stroke);border-radius:10px;padding:10px 12px;font:inherit}.login-button{margin-top:2px;border:0;border-radius:10px;height:42px;color:#fff;font-weight:700;background:linear-gradient(135deg,#2f7cc7,#1f5fa8);cursor:pointer}.login-button:disabled,.logout-link:disabled{opacity:.7;cursor:not-allowed}@keyframes rise-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 900px){.app-shell{grid-template-columns:1fr}.sidebar{padding-bottom:8px}.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.courses-table{display:block;overflow-x:auto}.toolbar-hint{margin-left:0;width:100%}}