:root{color-scheme:dark;--bg:#0c1a26;--card:#152938;--ink:#e7f0f5;--muted:#9db5c4;--green:#48dab6;--red:#f97981;--amber:#f5ca63;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Noto Sans TC",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}header{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 16px 6px}h1{font-size:22px;line-height:1.3;flex:1;margin:0;white-space:nowrap}h2{font-size:19px;margin:0 0 10px}h3{font-size:16px;margin:8px 0}p{margin:8px 0;overflow-wrap:anywhere}header p{font-size:12px;color:var(--muted);flex-basis:100%;margin:0}button,select,input{font:inherit}button,select{border:0;border-radius:10px;background:#213e51;color:var(--ink);padding:9px 13px;cursor:pointer;min-height:44px}button:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:2px}button:disabled{opacity:.55;cursor:wait}nav{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;padding:6px 10px;background:var(--bg)}nav button{font-size:15px;white-space:nowrap;padding:9px 2px;min-width:0}nav button[aria-selected=true]{background:var(--green);color:var(--bg);font-weight:700}main{max-width:820px;margin:auto;min-height:50vh;padding:6px 0 14px}.card{margin:10px 12px;padding:17px 16px;border-radius:16px;background:var(--card)}.action{font-size:29px;font-weight:750;line-height:1.4;margin:0 0 20px;overflow-wrap:anywhere}.audience{font-size:16px;display:block;color:var(--muted);margin-bottom:5px}.green{color:var(--green)}.red{color:var(--red)}.amber{color:var(--amber)}.muted,small{color:var(--muted)}small{font-size:12px}.light{font-size:21px;font-weight:700}.meter{height:14px;border-radius:10px;background:#304656;overflow:hidden;margin:10px 0}.meter>span{height:100%;display:block}.check{padding:7px 0;border-bottom:1px solid #294354;font-size:16px}.allocation{font-size:20px;color:var(--amber);font-weight:650}.rules{padding-left:22px}.sources{font-size:12px;overflow-wrap:anywhere}details>summary{cursor:pointer;font-weight:700;color:var(--green);font-size:18px;min-height:44px;padding:5px 0}details .card{margin:10px 0;padding:12px;background:#102332}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 12px}.factor{padding:7px 0;border-bottom:1px solid #294354}.periods{display:flex;gap:6px;margin:4px 12px}.periods button{flex:1}.periods button.active{background:var(--green);color:var(--bg)}.chart-help,.chart-diagnostic{font-size:12px;margin:5px 14px;color:var(--muted)}.chart-diagnostic{color:var(--green);min-height:20px;overflow-wrap:anywhere}.chart-wrap{height:clamp(360px,70vh,680px);height:clamp(360px,70dvh,680px);width:100%;position:relative}canvas{width:100%;height:100%;display:block;touch-action:none}.tiny{font-size:12px}.install{background:#244a50;border:1px solid var(--green)}a{color:var(--green)}label{display:block;margin:10px 0}select{width:100%}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:8px 4px;border-bottom:1px solid #294354}footer{padding:8px 16px 12px;font-size:11px;line-height:1.6;text-align:center;color:var(--muted);max-width:820px;margin:auto}.error{border:1px solid var(--red)}.large{font-size:19px}.large nav button{font-size:15px}@media(min-width:650px){main{padding:8px 12px}header,nav{max-width:820px;margin:auto}.action{font-size:34px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}