:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#173833;background:#f5f8f8;font-synthesis:none}*{box-sizing:border-box}body{margin:0}header{padding:22px max(24px,calc((100vw - 1160px)/2));display:flex;gap:20px;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #dbe8e4}a{color:#087e70;text-decoration:none}header>a:first-child{color:#173833;font-size:21px;font-weight:800}header span{display:block;font-size:9px;letter-spacing:2px;margin-top:4px}main{max-width:1160px;padding:36px 24px 60px;margin:auto}.hero{padding:18px 0 25px}.eyebrow{color:#087e70;font-size:13px;letter-spacing:2px}h1{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-1px;margin:16px 0}h2{font-size:23px;margin:0 0 8px}h3{font-size:19px}p{line-height:1.75;margin:8px 0}.hero>p:not(.eyebrow){color:#5e7772}.pill{display:inline-block;background:#e6f3ef;border-radius:20px;padding:5px 13px;font-size:12px}nav{display:flex;gap:20px;border-bottom:1px solid #dbe8e4;padding:15px 0;margin-bottom:20px}nav a{font-size:14px;font-weight:700}.panel{background:white;border:1px solid #dbe8e4;border-radius:18px;padding:28px;margin:20px 0;scroll-margin-top:20px}.section-title{display:flex;gap:16px;align-items:flex-start;margin-bottom:20px}.section-title>span{display:flex;flex:none;align-items:center;justify-content:center;background:#e6f3ef;color:#087e70;width:44px;height:44px;border-radius:12px;font-size:17px;font-weight:700}.section-title p{font-size:14px;color:#697065}.button,button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #bfd5ce;border-radius:9px;background:#fff;color:#173833;padding:11px 15px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;line-height:1.4}.primary{background:#087e70;color:#fff;border-color:#087e70}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}button:disabled{opacity:.45;cursor:not-allowed}input,select{font:inherit;font-size:15px;min-width:0;width:100%;padding:11px 12px;border:1px solid #bfd5ce;border-radius:8px;background:white;color:#173833}input:disabled{background:#f0f6f4}label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600}label.button{display:inline-flex}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.measurements{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px;margin-top:24px}.check{display:flex;flex-direction:row;align-items:flex-start;gap:10px;margin:16px 0;font-weight:400;line-height:1.7}.check input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:#087e70}.hint{font-size:12px;color:#687264}.warning{background:#fff5e4;border:1px solid #f4e3bf;color:#795923;border-radius:10px;padding:14px 16px;font-size:13px}.photo-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(230px,1fr);gap:24px;margin:20px 0}.canvas-wrap{background:#eef6f3;border-radius:12px;overflow:hidden;text-align:center;align-self:start}canvas{width:100%;height:auto;display:block;touch-action:manipulation;cursor:crosshair}.canvas-wrap p{font-size:12px;padding:8px 12px}.selection-tools{min-width:0}.selection-tools .actions button{font-size:12px;padding:8px}details{margin:14px 0;border-top:1px solid #e5e8e0;padding-top:12px}summary{cursor:pointer;font-size:13px;color:#4f6048}#corner-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}#corner-fields label{font-size:11px}#corner-fields input{padding:7px}#protection-list{padding-left:20px;font-size:12px;line-height:1.8;color:#7b612d}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f8f8;padding:16px;font-size:12px;line-height:1.8;max-height:420px;overflow-y:auto}.hash{font:11px/1.8 ui-monospace,monospace;overflow-wrap:anywhere;color:#71806c}#status{padding:14px;background:#e6f3ef;border-radius:10px;font-size:14px;position:relative;overflow-wrap:anywhere}#plan-panel{border-top:1px solid #dfe6d8;margin-top:24px;padding-top:16px}#result-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}#result-actions a{font-size:14px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}figure{margin:0;min-width:0}figure img{width:100%;height:auto;border-radius:10px;background:#eef6f3}figcaption{font-size:12px;color:#65755d;margin-top:8px}footer{font-size:12px;color:#74816c;line-height:1.8;padding-top:10px}#history-list button{font-size:12px;overflow-wrap:anywhere;text-align:left;justify-content:start;margin:4px 8px 4px 0}.history-card{padding:12px;border:1px solid #e4e8de;border-radius:8px;margin:8px 0}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #98d5c5;outline-offset:2px}@media(max-width:740px){header{padding:16px}header>a:last-child{font-size:12px}main{padding:18px 14px 40px}.panel{padding:20px 16px;border-radius:13px}.photo-layout,.fields,.compare{grid-template-columns:1fr}.measurements{grid-template-columns:1fr 1fr}.measurements>label:first-child{grid-column:1/-1}nav{gap:14px}nav a{font-size:12px}.hero{padding-bottom:10px}.section-title{gap:10px}h2{font-size:20px}.actions button,.actions .button{flex:1}.selection-tools{display:block}}

#photo-info{overflow-wrap:anywhere}

.action-feedback{background:#f1f7f5;border:1px solid #dbe8e4;border-radius:10px;padding:12px 16px;margin:16px 0;font-size:13px;overflow-wrap:anywhere}.action-feedback ul{padding-left:20px;margin:8px 0}.action-feedback li{margin:6px 0}.action-feedback li button{padding:5px 9px;font-size:13px;text-align:left}#preview-status,#submit-status{font-weight:600}

.industry-picker{display:grid;gap:12px;padding:16px;border:1px solid #dbe8e4;border-radius:12px;background:#f7fbf9}.industry-picker .hint{margin:0}.industry-picker button{justify-self:start}.industry-picker select{min-height:46px}

#selection-stage{position:relative;isolation:isolate;margin:22px}#selection-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}#selection-candidate{fill:rgba(139,62,200,.10);stroke-width:3;vector-effect:non-scaling-stroke}.suggested-boundary{stroke:#a732d1;stroke-dasharray:8 5}.draft-boundary{stroke:#087e70;stroke-dasharray:5 4}.corner-handle{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;min-height:44px;padding:0;border:3px solid white;border-radius:50%;background:#087e70;color:white;box-shadow:0 1px 5px #17383388;touch-action:none;z-index:2}.corner-handle:focus-visible{outline:3px solid #a732d1;outline-offset:2px}#selection-magnifier{position:absolute;right:8px;top:8px;width:120px;height:120px;border:3px solid white;box-shadow:0 2px 10px #17383366;pointer-events:none;z-index:3}#edge-status{font-size:13px;line-height:1.6}#edge-review{padding:10px;border:1px dashed #a732d1;border-radius:8px}.selection-tools .actions button{min-height:44px}

.design-modes{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 12px}.mode-card{display:flex;align-items:flex-start;flex-direction:column;text-align:left;gap:8px;padding:20px;border:2px solid #dbe8e4;background:#fff;min-height:145px}.mode-card strong{font-size:20px}.mode-card span{color:#087e70;font-size:13px}.mode-card small{font-size:13px;color:#657871;font-weight:400;line-height:1.6}.mode-card[aria-pressed="true"]{border-color:#087e70;background:#edf8f3;box-shadow:0 0 0 1px #087e70}.mode-note{font-size:13px;color:#5a7169;line-height:1.8;padding:0 2px}.photo-layout.creative{grid-template-columns:1fr}.photo-layout.creative canvas{cursor:default;touch-action:manipulation}.photo-layout.creative #selection-stage{margin:16px auto;max-width:850px}.photo-layout.creative .canvas-wrap{width:100%}@media(max-width:580px){.design-modes{grid-template-columns:1fr}.mode-card{min-height:0;padding:16px}.mode-card strong{font-size:18px}}

/* Independent day/night outputs retain one file per card. */
.pair-output-choice{margin:22px 0;padding:18px;border:1px solid #b9cbbd;border-radius:14px;background:#f7faf5}.pair-output-choice h3{margin-top:0}.pair-controls{margin:22px 0;padding:22px;border:1px solid #c6d5c4;border-radius:14px;background:#f7faf5}.pair-cards{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.pair-card{min-width:0;border:1px solid #d3ddd0;border-radius:14px;padding:18px;background:#fbfcf9}.pair-card h3{margin:0 0 10px}.pair-card img{width:100%;height:auto;display:block;border-radius:8px}.pair-card img[hidden]{display:none}.pair-card-state{min-height:2em}.pair-placeholder{min-height:190px;display:grid;place-items:center;border:1px dashed #aebda8;border-radius:8px;padding:18px;text-align:center;color:#63705d;background:linear-gradient(145deg,#f1f4ea,#e4ede2)}.pair-placeholder[hidden]{display:none}.pair-card .actions{align-items:stretch}.pair-card .actions button{flex:1;min-width:120px}.pair-card .hash,.pair-results .hash{overflow-wrap:anywhere;font-size:11px}.pair-controls pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:300px;overflow:auto}.pair-output-choice [aria-pressed=true]{border-color:#4f7139;box-shadow:0 0 0 1px #4f7139}.pair-results [disabled]{cursor:not-allowed}@media(max-width:700px){.pair-cards{grid-template-columns:minmax(0,1fr)}.pair-controls{padding:16px}.pair-card{padding:14px}.pair-placeholder{min-height:150px}}