:root{--bg: #faf8f3;--card: #ffffff;--fg: #1f2430;--muted: #6b6f7a;--line: #e6e0d2;--accent: #a87d1e;--accent-strong: #8a6512;--accent-soft: #f4ead2;--danger: #b42318;--series-1: #a87d1e;--series-2: #3b6ea8;font-family:PingFang TC,Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}@media(prefers-color-scheme:dark){:root{--bg: #14161b;--card: #1c1f26;--fg: #ece8df;--muted: #a3a6ae;--line: #2e323b;--accent: #d4a94a;--accent-strong: #e6bf63;--accent-soft: #2c2618;--danger: #f97066;--series-1: #b58624;--series-2: #4a8ad6}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);overflow-x:clip}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong)}h1{font-size:1.6rem;margin:.25rem 0 .75rem;letter-spacing:.02em}h2{font-size:1.15rem;margin:1.5rem 0 .6rem}.page{max-width:1024px;margin:0 auto;padding:20px 16px 96px}.muted{color:var(--muted);font-size:.9em}.error{color:var(--danger)}.topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--card) 65%,transparent);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent);box-shadow:0 4px 24px #0000000f}.topbar-inner{max-width:1024px;margin:0 auto;height:56px;padding:0 16px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:700;letter-spacing:.04em;color:var(--accent);white-space:nowrap}.brand img{width:32px;height:32px}.nav-links{display:flex;gap:18px;font-size:.92rem}.nav-links a{color:var(--fg);padding:16px 0;border-bottom:2px solid transparent;white-space:nowrap}.nav-links a:hover{color:var(--accent)}.nav-links a.active{color:var(--accent-strong);border-bottom-color:var(--accent);font-weight:600}.topbar .logout{margin-left:auto}.bottom-nav{display:none;position:fixed;inset:auto 0 0 0;z-index:20;background:color-mix(in srgb,var(--card) 72%,transparent);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border-top:1px solid color-mix(in srgb,var(--line) 70%,transparent);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0;font-size:.72rem;color:var(--muted)}.bottom-nav a.active{color:var(--accent-strong);font-weight:600}.bottom-nav svg{width:22px;height:22px}@media(max-width:767px){.nav-links{display:none}.bottom-nav{display:block}}button,.button{font:inherit;font-size:.9rem;min-height:40px;padding:8px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:border-color .15s,color .15s,background .15s}button:hover,.button:hover{border-color:var(--accent);color:var(--accent)}button.primary,.button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover,.button.primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}button:disabled{opacity:.6;cursor:default}button.link{background:none;border:none;color:var(--accent);padding:4px;min-height:0}button.big{width:100%;min-height:52px;font-size:1.05rem}@media(max-width:767px){button,.button{min-height:44px}}input,select{font:inherit;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--fg);min-width:0;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 30%,transparent)}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:4px;font-size:.88rem;font-weight:500}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.row>label{flex:1 1 160px;display:flex;flex-direction:column;gap:4px}.line{margin-bottom:8px}.line select{flex:3 1 200px}.line input{flex:1 1 80px}label.inline{display:inline-flex;gap:6px;align-items:center;white-space:nowrap}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:12px 0}.card.warn{border-color:color-mix(in srgb,var(--danger) 45%,var(--line));background:color-mix(in srgb,var(--danger) 6%,var(--card))}.card h2{margin-top:0}.filters{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;align-items:center}.filters input{flex:1 1 200px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.grid.small{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));margin-bottom:16px}.tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;color:var(--fg);text-align:center;transition:border-color .15s,transform .15s,box-shadow .15s}.tile:hover{border-color:var(--accent);color:var(--fg);transform:translateY(-2px);box-shadow:0 6px 20px #0000000f}.tile.low{border-color:var(--danger)}.tile-name{font-weight:600;font-size:.95em}.tile-count{font-size:.85em;color:var(--muted)}.item-image{display:flex;align-items:center;justify-content:center;border-radius:10px;overflow:hidden;background:#fff;flex:none;border:1px solid var(--line)}.item-image img{width:100%;height:100%;object-fit:cover}.item-image span{color:#999;font-size:.75em}.item-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.table{width:100%;border-collapse:separate;border-spacing:0;margin:8px 0;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.table tr:last-child td{border-bottom:none}.table th{font-size:.82em;color:var(--muted);font-weight:500;background:color-mix(in srgb,var(--accent-soft) 45%,var(--card))}.table tr.low td.stock,.table tr.low td a{color:var(--danger);font-weight:700}.qty{font-size:1.15em;color:var(--accent-strong)}.tile.low .tile-name,.tile.low .tile-count,.tile.low .tile-count b{color:var(--danger)}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78em;margin-left:4px;border:1px solid var(--line)}.status-in_stock{background:#e8f5ec;color:#1f6b3a;border-color:#bfe3cb}.status-in_use{background:var(--accent-soft);color:var(--accent-strong);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.status-finished{background:var(--bg);color:var(--muted)}.status-lost{background:#fdecea;color:var(--danger);border-color:#f5c2bd}.chip{display:inline-block;margin:2px 6px 2px 0;font-size:.85em}.spool{max-width:480px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}.spool .actions{width:100%;display:flex;flex-direction:column;gap:8px;margin:8px 0}.spool .form{width:100%;text-align:left}.spool-title{font-size:1.2rem;font-weight:600;margin:0}.history{text-align:left;width:100%;padding-left:20px;color:var(--muted);font-size:.9em}.usage-chart{padding:16px 20px}.chart-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:8px}.hero{font-size:1.6rem;font-weight:700}.hero .muted{font-size:.9rem;font-weight:400}.legend{list-style:none;display:flex;gap:16px;margin:0;padding:0;font-size:.88rem}.legend li,.tooltip div{display:flex;align-items:center;gap:6px}.swatch{width:10px;height:10px;border-radius:3px;display:inline-block;flex:none}.chart-wrap{position:relative}.chart-wrap svg{width:100%;height:auto;display:block}.grid-line{stroke:var(--line);stroke-width:1}.axis-text{fill:var(--muted);font-size:11px}.tooltip{position:absolute;top:4px;transform:translate(-50%);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:.85rem;box-shadow:0 6px 20px #0000001f;pointer-events:none;white-space:nowrap;display:flex;flex-direction:column;gap:3px}.login{max-width:380px;margin:14vh auto 0}.login h1{color:var(--accent);text-align:center}.chips{display:flex;flex-wrap:wrap;gap:4px 12px;margin:8px 0 16px;font-size:.85em}.label-pages{display:flex;flex-direction:column;gap:16px}.label-sheet{display:grid;grid-template-columns:repeat(4,46mm);grid-auto-rows:67mm;gap:3mm;width:194mm;background:#fff;color:#000}.label{font-family:Microsoft YaHei,PingFang SC,Noto Sans SC,Microsoft JhengHei,sans-serif;border:1px dashed #999;display:flex;flex-direction:column;align-items:stretch;padding:1.5mm;overflow:hidden;gap:1.5mm}.label .item-image{border:none;width:100%!important;height:auto!important;aspect-ratio:1;border-radius:1.5mm}.label-foot{display:flex;align-items:stretch;justify-content:space-between;gap:1mm;flex:1;min-height:0}.label-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:.6mm}.label-mat{font-size:14pt;font-weight:700;line-height:1.1;white-space:nowrap}.label-color{font-size:14pt;font-weight:700;line-height:1.1;overflow-wrap:anywhere}.label-date{font-size:8pt;line-height:1.2;font-weight:400;margin-top:auto}.label-qrbox{flex:none;display:flex;flex-direction:column;align-items:center;gap:.5mm}.label-qr{width:14mm;height:14mm;image-rendering:pixelated}.label-code{font-size:8pt;line-height:1.2;font-weight:400;white-space:nowrap;margin-top:auto}@media print{@page{size:A4;margin:8mm}.no-print{display:none!important}body,.page{background:#fff;margin:0;padding:0;max-width:none}.label-pages{gap:0}.label-sheet{break-after:page}.label-sheet:last-child{break-after:auto}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}