:root{--bg: #f6f7f9;--card: #ffffff;--border: #e8eaee;--text: #1e293b;--muted: #64748b;--accent: #3b82f6;--accent-dark: #2563eb;--radius: 14px;--shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}.app{display:flex;min-height:100vh}.sidebar{width:210px;flex-shrink:0;background:#0f172a;color:#cbd5e1;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 8px 18px}.logo{font-size:24px}.brand-title{font-weight:700;font-size:15px;color:#fff}.brand-sub{font-size:11px;color:#64748b}.snav{display:flex;flex-direction:column;gap:3px}.snav button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:none;background:transparent;padding:10px 12px;border-radius:9px;font-size:13.5px;color:#94a3b8;cursor:pointer}.snav button:hover{background:#1e293b}.snav button.active{background:#1e293b;color:#fff;font-weight:600}.snav-icon{font-size:15px}.sidebar-foot{margin-top:auto;padding:12px 8px 0;font-size:10.5px;color:#475569;line-height:1.5}.main{flex:1;min-width:0}.main-head{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.main-head h1{font-size:17px;margin:0}.viewtoggle{display:flex;background:#f1f3f6;border-radius:10px;padding:3px}.viewtoggle button{border:none;background:transparent;padding:7px 14px;border-radius:8px;font-size:13px;color:var(--muted);cursor:pointer}.viewtoggle button.active{background:var(--card);color:var(--text);font-weight:600;box-shadow:var(--shadow)}.content{max-width:1080px;margin:0 auto;padding:24px}.dash{display:flex;flex-direction:column;gap:18px}.loading{text-align:center;color:var(--muted);padding:80px 0}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card-title{font-size:14px;font-weight:700;margin-bottom:14px}.hero-grid,.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.hero{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none}.hero-label{font-size:14px;opacity:.9}.hero-value{font-size:46px;font-weight:800;line-height:1.1;margin:6px 0}.hero-sub{font-size:13px;opacity:.92}.bill-total{font-size:34px;font-weight:800}.bill-meta{display:flex;align-items:center;gap:10px;margin:8px 0 14px;font-size:13px}.badge{padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700;color:#fff}.badge.tier1{background:#22c55e}.badge.tier2{background:#f59e0b}.badge.tier3{background:#ef4444}.muted{color:var(--muted)}.progress{height:8px;background:#eef0f4;border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,#22c55e,#f59e0b,#ef4444);border-radius:999px;transition:width .4s}.hint{font-size:12px;color:var(--muted);margin-top:8px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat{border-top:3px solid var(--border)}.stat-label{font-size:12px;color:var(--muted)}.stat-value{font-size:26px;font-weight:800;margin-top:4px}.stat-sub{font-size:12px;color:var(--muted);margin-top:2px}.tbl{width:100%;border-collapse:collapse;font-size:13px}.tbl th,.tbl td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--border)}.tbl th{font-size:11px;color:var(--muted);font-weight:600}.tbl .r{text-align:right}.tbl tr:last-child td{border-bottom:none}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:4px}.warn{color:#ef4444;font-weight:700}.bill-tbl{margin-top:14px}.bill-tbl .indent{padding-left:18px;color:var(--muted)}.bill-tbl .sub td{font-weight:600;border-top:1px solid var(--border)}.bill-tbl .total td{font-weight:800;font-size:15px;border-top:2px solid var(--text)}.ai p{margin:0 0 12px;font-size:13px}.btn{border:none;border-radius:9px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-dark)}.btn:disabled{opacity:.6;cursor:default}.btn.link,.link{background:none;border:none;color:var(--accent);cursor:pointer;padding:0;font:inherit}.ai-nokey{font-size:13px;color:var(--muted)}.ai-error{margin-top:12px;padding:10px 12px;background:#fef2f2;color:#b91c1c;border-radius:8px;font-size:13px}.ai-result{margin-top:14px;padding:14px;background:#f8fafc;border:1px solid var(--border);border-radius:10px;font-size:13.5px;line-height:1.6;white-space:pre-wrap}.settings{max-width:560px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;font-size:13px;font-weight:600}.field input,.field select{padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;font-weight:400}.field input:focus,.field select:focus{outline:none;border-color:var(--accent)}.notice{margin-top:16px;padding:12px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9px;font-size:12.5px;color:#166534;line-height:1.5}a{color:var(--accent)}.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}.st-ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.st-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.st-missing{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.raw-json{background:#0f172a;color:#a5f3fc;border-radius:10px;padding:14px;font-size:12px;line-height:1.55;overflow-x:auto;margin:0;font-family:ui-monospace,Cascadia Code,Consolas,monospace}.raw-json.compact{color:#7dd3fc;font-size:11px;max-height:220px;overflow-y:auto}.circuit-tabs{display:flex;gap:6px;flex-wrap:wrap}.circuit-tabs button{border:1px solid var(--border);background:var(--card);padding:8px 14px;border-radius:999px;font-size:13px;color:var(--muted);cursor:pointer}.circuit-tabs button.active{background:#eef2ff;border-color:var(--accent);color:var(--accent-dark);font-weight:700}code{background:#f1f5f9;padding:1px 5px;border-radius:5px;font-size:.9em}.btn.sm{padding:7px 12px;font-size:13px}.btn:not(.primary):not(.link){background:#f1f5f9;color:var(--text)}.pipeline{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.pipe-step{background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:12px 18px;text-align:center}.pipe-step.ok{background:#f0fdf4;border-color:#bbf7d0}.pipe-step.hl{background:#eef2ff;border-color:#c7d2fe}.pipe-num{font-size:22px;font-weight:800}.pipe-label{font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.4}.pipe-arrow{color:var(--muted);font-size:13px;font-weight:600}.guess-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}.guess-card{border:1px solid var(--border);border-top:3px solid var(--border);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:8px}.guess-head{display:flex;align-items:center;gap:8px;font-size:14px}.guess-q{font-size:14px}.guess-reason{font-size:12.5px;color:var(--muted);background:#f8fafc;border-radius:8px;padding:8px 10px}.guess-appl{font-size:12px;color:var(--muted)}.guess-btns{display:flex;gap:8px;align-items:center}.guess-btns input{flex:1;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;min-width:0}.floor-canvas{position:relative;background:#f8fafc;background-image:linear-gradient(#eef0f4 1px,transparent 1px),linear-gradient(90deg,#eef0f4 1px,transparent 1px);background-size:16px 16px;border:1px solid var(--border);border-radius:12px;overflow:hidden;touch-action:none}.floor-canvas.done{background:#0f172a;background-image:linear-gradient(rgba(148,163,184,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.07) 1px,transparent 1px)}.floor-room{position:absolute;border:2px solid;border-radius:10px;background:#ffffffd9;cursor:grab;-webkit-user-select:none;user-select:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .5s,box-shadow .5s}.floor-room:active{cursor:grabbing}.floor-room.led{cursor:default;border-width:1px}.floor-room-name{font-size:13px;font-weight:700}.floor-room.led .floor-room-name{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5)}.floor-room-watt{font-size:17px;font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5);font-variant-numeric:tabular-nums}.floor-room-size{font-size:11px;color:var(--muted)}.floor-resize{position:absolute;right:-2px;bottom:-2px;width:18px;height:18px;cursor:nwse-resize;border-right:3px solid #94a3b8;border-bottom:3px solid #94a3b8;border-radius:0 0 8px}.led-legend{display:flex;gap:16px;margin-top:10px;font-size:12px;color:var(--muted)}.led-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px;vertical-align:-2px}@media (max-width: 800px){.hero-grid,.chart-grid,.stat-grid{grid-template-columns:1fr}.app{flex-direction:column}.sidebar{width:100%;height:auto;position:static;flex-direction:row;align-items:center;overflow-x:auto}.brand{padding:0 8px}.snav{flex-direction:row}.snav button{white-space:nowrap}.sidebar-foot{display:none}}