:root{--bg:#f3f4f6;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--green:#03c75a;--radius:20px}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Segoe UI",sans-serif}
body{min-height:100vh}.hidden{display:none!important}.app{width:min(720px,100%);margin:auto;padding:20px 14px 50px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:8px 4px 18px}.topbar h1{margin:2px 0 0;font-size:28px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.7px;color:#16a34a}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:14px;box-shadow:0 5px 22px rgba(17,24,39,.045)}
.hero{display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(135deg,#111827,#1f2937);color:#fff;border:none}.hero .label{font-size:13px;color:#d1d5db;margin-bottom:8px}.hero-right{text-align:right}.clock{font-size:23px;font-weight:800;font-variant-numeric:tabular-nums}.hero .muted{color:#d1d5db;font-size:12px;margin-top:5px}
.status-badge{display:inline-flex;border-radius:999px;padding:8px 13px;font-weight:800;font-size:15px;background:#374151}.status-badge.on{background:#065f46;color:#d1fae5}.status-badge.off{background:#7f1d1d;color:#fee2e2}
h2{font-size:18px;margin:0 0 5px}p{margin:4px 0;line-height:1.55}.muted{color:var(--muted);font-size:13px}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}
.time-grid,.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 12px}label{font-size:13px;font-weight:700}
input,select,textarea{width:100%;margin-top:7px;border:1px solid #d1d5db;border-radius:12px;padding:12px 13px;background:#fff;font-size:16px;color:#111827;outline:none}
input:focus,select:focus,textarea:focus{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.08)}textarea{resize:vertical;line-height:1.5}.field{display:block;margin:10px 0 16px}
button{border:none;border-radius:13px;padding:12px 14px;font-size:14px;font-weight:800;cursor:pointer}button:active{transform:scale(.985)}button:disabled{opacity:.5}.primary{background:#111827;color:#fff}.secondary{background:#eef2ff;color:#1e3a8a}.success{background:#dcfce7;color:#166534}.danger{background:#fee2e2;color:#991b1b}.ghost{background:#f3f4f6;color:#374151}.small{padding:9px 11px;font-size:12px}.wide{width:100%}
.switch{position:relative;width:52px;height:30px;flex:0 0 auto}.switch input{display:none}.slider{position:absolute;inset:0;background:#d1d5db;border-radius:999px;transition:.2s}.slider:before{content:"";position:absolute;width:24px;height:24px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:.2s}.switch input:checked+.slider{background:var(--green)}.switch input:checked+.slider:before{transform:translateX(22px)}
.product-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}.product{border:1px solid var(--line);border-radius:14px;padding:12px}.product-top{display:flex;justify-content:space-between;gap:10px}.product-no{font-weight:800;font-size:13px}.product-name{font-size:13px;margin-top:5px;color:#4b5563;line-height:1.4}
.pill{font-size:11px;font-weight:800;padding:5px 8px;border-radius:999px;white-space:nowrap}.pill.on{background:#dcfce7;color:#166534}.pill.off{background:#fee2e2;color:#991b1b}.pill.unknown{background:#f3f4f6;color:#6b7280}.pill.error{background:#ffedd5;color:#9a3412}
.logs{background:#0b1020;color:#d1fae5;border-radius:14px;padding:13px;max-height:300px;overflow:auto;font-size:11px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.summary{padding:10px 0 12px}.install-help p{font-size:13px;color:#4b5563}
footer{display:flex;justify-content:space-between;color:#9ca3af;font-size:11px;padding:8px 5px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 20px 50px rgba(17,24,39,.10);text-align:center}.logo{width:56px;height:56px;border-radius:17px;display:grid;place-items:center;margin:0 auto 16px;background:#03c75a;color:#fff;font-size:30px;font-weight:900}.login-card h1{font-size:22px;margin:0 0 7px}.login-card p{color:var(--muted);font-size:13px;margin-bottom:20px}.login-card input{text-align:center}.login-card button{margin-top:10px}.error-text{color:#b91c1c;font-size:13px;margin-top:12px;min-height:18px}
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:#111827;color:#fff;padding:11px 15px;border-radius:12px;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:.2s;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{background:#991b1b}
@media(max-width:480px){.app{padding:12px 10px 40px}.card{padding:17px;border-radius:17px}.hero{align-items:flex-start}.clock{font-size:19px}}