:root{--bg: #0f172a;--panel: #1e293b;--panel-2: #273549;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--green: #22c55e;--amber: #f59e0b;--red: #ef4444;--border: #334155}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:1100px;margin:0 auto;padding:24px}.header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px}.header h1{font-size:24px;margin:0}.header .meta{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.card h2{margin:0 0 16px;font-size:16px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.card-section+.card-section{margin-top:16px}.card-sep{border:0;border-top:1px solid var(--border);margin:20px 0 4px}.battery-card{display:flex;flex-direction:column;align-items:center}.battery-gauge{position:relative;width:200px;height:200px}.battery-gauge svg{transform:rotate(-90deg);width:100%;height:100%}.battery-gauge .pct{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:700}.battery-meta{margin-top:16px;display:flex;gap:24px;color:var(--muted);font-size:14px}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--panel-2);border:1px solid var(--border)}.badge.green{background:#052e1a;color:var(--green);border-color:#14532d}.badge.amber{background:#2c1c05;color:var(--amber);border-color:#78350f}.badge.red{background:#2c0a0a;color:var(--red);border-color:#7f1d1d}.badge.blue{background:#082335;color:var(--accent);border-color:#0c4a6e}button{background:var(--accent);color:#0b1220;border:0;border-radius:8px;padding:10px 14px;font-weight:600;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:var(--panel-2);color:var(--text)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row+.row{margin-top:12px}label{font-size:13px;color:var(--muted)}input,select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:14px}.schedule-grid{display:grid;grid-template-columns:1fr auto auto auto;gap:10px 12px;align-items:center}.schedule-grid .head{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}.schedule-grid .head.center{text-align:center}.schedule-grid input[type=time]{width:92px}.schedule-grid input[type=number]{width:70px}.schedule-grid input[type=checkbox]{justify-self:center;margin:0}.error{background:#2c0a0a;border:1px solid #7f1d1d;color:#fecaca;padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}.muted{color:var(--muted);font-size:13px}.login-wrap{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:380px}.login-title{margin:0 0 18px;font-size:22px}