:root{--bg:#f4f6f8;--panel:#fff;--text:#16202a;--muted:#718096;--line:#e5eaf0;--blue:#4d7cff;--soft:#edf2ff;--green:#15966b;--green-soft:#e9f8f2;--red:#d9534f;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Pretendard,Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.mobile-app{min-height:100vh;padding:calc(18px + env(safe-area-inset-top)) 16px calc(96px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.topbar small,dialog header small{display:block;color:var(--blue);font-size:11px;letter-spacing:.12em;font-weight:800}.topbar h1{font-size:25px;margin:4px 0 0}.topbar button,.close{width:42px;height:42px;border:1px solid var(--line);border-radius:13px;background:var(--panel);font-size:22px}.notice{margin:0 0 14px;padding:12px;border:1px solid #f0cbcb;border-radius:12px;background:#fff0ef;color:#9d3e3a;font-size:13px}.hidden{display:none}.view{display:none}.view.active{display:block}.hero{padding:22px;background:linear-gradient(145deg,#5a87ff,#315fe2);color:#fff;border-radius:22px;box-shadow:0 12px 28px rgba(49,95,226,.23)}.hero span,.hero small{display:block}.hero span{font-size:11px;font-weight:800;letter-spacing:.12em;opacity:.78}.hero strong{display:block;margin:9px 0 6px;font-size:26px}.hero small{font-size:12px;opacity:.85}.summary-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.summary-cards button{padding:14px;text-align:left;border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--text)}.summary-cards span,.summary-cards strong{display:block}.summary-cards span{color:var(--muted);font-size:12px}.summary-cards strong{margin-top:6px;font-size:20px}.panel{margin-top:14px;padding:17px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.panel h2{margin:0;font-size:16px}.panel p,.intro{color:var(--muted);font-size:13px;line-height:1.55}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.status{padding:6px 8px;border-radius:999px;background:var(--soft);color:var(--blue);font-size:11px;font-weight:800}.status.good{background:var(--green-soft);color:var(--green)}.network-info{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.network-info div{padding:12px;border-radius:12px;background:var(--bg)}.network-info span,.network-info strong{display:block}.network-info span{font-size:11px;color:var(--muted)}.network-info strong{margin-top:5px;font-size:14px;overflow-wrap:anywhere}.search{display:flex;align-items:center;gap:8px;padding:0 12px;background:var(--panel);border:1px solid var(--line);border-radius:13px}.search input{width:100%;border:0;outline:0;padding:13px 0;background:transparent;font:inherit}.filter-row{display:flex;gap:8px;overflow-x:auto;margin:13px 0;padding-bottom:3px}.filter{flex:0 0 auto;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 12px;color:var(--muted);font-weight:700}.filter.active{background:var(--text);border-color:var(--text);color:#fff}.device-list,.parent-list{display:grid;gap:10px}.device-card,.parent-card{padding:15px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.device-top{display:flex;align-items:flex-start;gap:11px}.device-icon{display:grid;place-items:center;flex:0 0 auto;width:40px;height:40px;border-radius:13px;background:var(--soft);color:var(--blue);font-size:18px}.device-title{min-width:0;flex:1}.device-title b,.device-title small{display:block}.device-title b{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.device-title small{margin-top:3px;color:var(--muted);font-size:11px}.badge{padding:5px 7px;border-radius:999px;background:#eef1f4;color:#667380;font-size:10px;font-weight:800}.badge.online{background:var(--green-soft);color:var(--green)}.device-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px}.device-meta div{min-width:0;padding:9px;background:var(--bg);border-radius:10px}.device-meta span,.device-meta strong{display:block}.device-meta span{font-size:10px;color:var(--muted)}.device-meta strong{margin-top:3px;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.empty{padding:28px 12px;text-align:center;color:var(--muted);font-size:13px}.parent-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}.parent-card h2{margin:0;font-size:15px}.parent-card p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.4}.parent-card button,.link-button{border:1px solid var(--line);border-radius:11px;background:var(--panel);color:var(--text);padding:10px 12px;font:inherit;font-size:12px;font-weight:800;text-decoration:none}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);padding:8px 8px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}.bottom-nav button{border:0;background:transparent;color:var(--muted);font-size:10px;padding:6px 2px}.bottom-nav span{display:block;margin-bottom:3px;font-size:18px}.bottom-nav button.active{color:var(--blue);font-weight:800}.about{margin:14px 0 0}.about div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line)}.about dt{color:var(--muted);font-size:12px}.about dd{margin:0;font-size:12px;overflow-wrap:anywhere;text-align:right}dialog{width:min(100%,560px);max-height:100dvh;margin:auto;padding:0;border:0;border-radius:20px}dialog::backdrop{background:rgba(10,18,28,.42)}dialog form{max-height:100dvh;overflow:auto;padding:20px}dialog header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px}dialog header h2{margin:4px 0 0;font-size:19px}.close{font-size:24px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px;border:1px solid var(--line);border-radius:13px}.switch-row b,.switch-row small{display:block}.switch-row b{font-size:14px}.switch-row small{margin-top:3px;color:var(--muted);font-size:11px}.switch-row input{width:20px;height:20px;accent-color:var(--blue)}.field,.period{display:grid;gap:7px;margin-top:14px}.field>span,.period>span{color:var(--muted);font-size:12px;font-weight:700}.field select,.period input{width:100%;min-height:42px;border:1px solid var(--line);border-radius:11px;padding:9px;background:#fff;font:inherit}.period{padding:14px;border:1px solid var(--line);border-radius:14px}.period h3{margin:0;font-size:15px}.period .toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px}.period .toggle input{width:17px;height:17px;min-height:0}.time-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.time-grid label{display:grid;gap:5px;color:var(--muted);font-size:11px}.save{width:100%;margin-top:17px;min-height:46px;border:0;border-radius:12px;background:var(--blue);color:#fff;font:inherit;font-weight:800}