*{box-sizing:border-box}
:root{
  --bg:#08131f;--panel:#0d1d2d;--panel2:#10263a;--line:#29445b;
  --text:#eef7ff;--muted:#9db2c5;--accent:#16c7a3;--accent2:#23a7ff;
  --danger:#ff5570;--warn:#ffc857
}
body{margin:0;background:radial-gradient(circle at top right,#12314a 0,#08131f 42%,#050c13 100%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;min-height:100vh}
.app-shell{max-width:1400px;margin:auto;padding:22px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(13,29,45,.88);box-shadow:0 15px 45px rgba(0,0,0,.25)}
.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:800}
h1{margin:6px 0;font-size:32px}.topbar p,.panel-head p{margin:4px 0;color:var(--muted)}
.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer;color:white;transition:.2s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.primary{background:linear-gradient(135deg,var(--accent2),var(--accent))}
.ghost{background:#162b3e;border:1px solid var(--line)}.danger{background:var(--danger)}
.hero{margin:18px 0;display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.hero>div{background:linear-gradient(135deg,rgba(18,48,70,.95),rgba(8,23,36,.95));border:1px solid var(--line);border-radius:20px;padding:22px}
.badge{display:inline-block;background:#173c50;color:#72e7ff;padding:6px 11px;border-radius:99px;font-size:13px;font-weight:800}
#clock{font-size:58px;line-height:1;margin:12px 0 6px;letter-spacing:2px}
#dateText{color:var(--muted);margin:0}.next-card{display:flex;flex-direction:column;justify-content:center}.next-card span{color:var(--muted)}.next-card strong{font-size:25px;margin:7px 0}.next-card small{color:var(--accent)}
.panel{background:rgba(13,29,45,.9);border:1px solid var(--line);border-radius:20px;margin:18px 0;overflow:hidden}
.panel-head{padding:20px;display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0 0 4px}.actions{display:flex;gap:8px;flex-wrap:wrap}
.schedule-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:11px 12px;border-bottom:1px solid #1f384c;text-align:left}th{background:#10283c;color:#8fe8ff;font-size:13px}
td:first-child{font-weight:800}.time{font-variant-numeric:tabular-nums;color:#d7e7f3;white-space:nowrap}
input.class-input{width:100%;min-width:190px;background:#07131f;color:white;border:1px solid #35516a;border-radius:9px;padding:9px 11px;outline:none}
input.class-input:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(35,167,255,.12)}
.status{font-size:12px;font-weight:800;padding:6px 9px;border-radius:99px;display:inline-block;white-space:nowrap}
.status.empty{color:#8398aa;background:#172735}.status.filled{color:#6ff0cf;background:#0d3a35}
.status.now{color:#fff;background:#b25b00}.status.done{color:#91a4b5;background:#18232d}
.today-grid{padding:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.lesson-card{padding:15px;border:1px solid var(--line);border-radius:15px;background:#0b1927}.lesson-card .num{font-size:12px;color:#6fdcff}.lesson-card h3{margin:6px 0}.lesson-card p{margin:0;color:var(--muted)}.lesson-card.next{border-color:var(--accent)}.lesson-card.past{opacity:.55}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info-card{display:flex;gap:12px;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(13,29,45,.72)}.info-card>span{font-size:25px}.info-card p{color:var(--muted);margin:5px 0 0;font-size:13px}
.alarm-banner{position:fixed;z-index:99;right:25px;bottom:25px;max-width:500px;display:flex;align-items:center;gap:15px;padding:18px 20px;border-radius:18px;background:#3c1820;border:2px solid var(--danger);box-shadow:0 20px 70px rgba(0,0,0,.55);animation:pulse 1s infinite alternate}
.alarm-banner.hidden{display:none}.alarm-icon{font-size:35px}.alarm-banner p{margin:4px 0 0;color:#ffdbe1}.alarm-banner .btn{margin-left:auto}
@keyframes pulse{from{transform:scale(1)}to{transform:scale(1.02)}}
footer{text-align:center;color:#6f8799;padding:25px}
@media(max-width:800px){.app-shell{padding:10px}.topbar,.panel-head{flex-direction:column;align-items:flex-start}.hero{grid-template-columns:1fr}#clock{font-size:44px}.info-grid{grid-template-columns:1fr}.alarm-banner{left:10px;right:10px;bottom:10px}}