:root{color-scheme:dark;--bg:#101316;--panel:#171c20;--border:#ffffff14;--text:#eef3f5;--muted:#91a0aa;--accent:#acedd4;font-family:Inter,'Microsoft YaHei',system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}h1,h2,p,figure{margin:0}.site-shell{max-width:1580px;width:calc(100% - 48px);margin:22px auto 32px}
.site-shell>.toolNav{display:block;margin:0 0 18px}.toolNavRow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.toolNavRow+.toolNavRow{margin-top:14px}.toolCard{display:flex;align-items:center;gap:12px;min-width:0;min-height:86px;padding:16px 18px;border-radius:20px;text-decoration:none;color:#f4f7fb;background:linear-gradient(180deg,#ffffff0e,#ffffff06);border:1px solid #ffffff17;transition:background .18s,border-color .18s}.toolCard:hover{border-color:#7dd3fc61;background:#5b8cff14}.toolCard.active{border-color:#5b8cff73;background:linear-gradient(135deg,#5b8cff38,#7dd3fc12)}.toolIcon{flex:0 0 42px;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#1f2d51;color:#fff;font-size:21px;font-weight:900}.toolCard>span:last-child{min-width:0}.toolCard strong{display:block;font-size:16px;line-height:1.3}.toolCard small{display:block;margin-top:5px;color:#98a2b3;line-height:1.5;font-size:11px}
.site-shell>.licenseBar{border-radius:16px}.site-shell .licenseBar button,.site-shell .licenseGate button{padding:10px 16px;background:#141b2b;border:1px solid var(--border);border-radius:8px;color:var(--text);font-weight:600}.site-shell .licenseBar input{font-size:13px}
.collage-editor{border:1px solid var(--border);border-radius:18px;overflow:clip;background:#111518}.editor-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px;padding:16px 26px;border-bottom:1px solid var(--border)}.editor-brand{display:flex;align-items:center;gap:13px}.editor-brand strong{font-size:17px;letter-spacing:.4px}.editor-brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1px;margin-top:3px}.brand-icon{display:grid;place-items:center;width:40px;height:40px;color:var(--accent);background:#a8ebd416;border:1px solid #a8ebd447;border-radius:11px;font:bold 21px Georgia,serif}.topbar-actions{display:flex;align-items:center;gap:24px}.local-note{font-size:11px;color:#afb8c0;display:flex;align-items:center;gap:7px}.local-note i,.live-label i{width:5px;height:5px;background:var(--accent);border-radius:50%;display:inline-block}.primary-button{border:0;border-radius:8px;background:var(--accent);color:#123229;padding:11px 18px;font-size:13px;font-weight:700;white-space:nowrap}.primary-button:hover:not(:disabled){background:#c6fae6}.editor-body{padding:26px}.intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.eyebrow{font-size:9px;letter-spacing:2.4px;color:var(--accent);font-weight:650;margin-bottom:10px}.intro h1{font-size:30px;line-height:1.3;letter-spacing:-.6px}.intro-copy{margin-top:9px;font-size:12px;color:var(--muted);line-height:1.8}.format-badge{white-space:nowrap;color:#a8b5bd;border:1px solid var(--border);font-size:11px;border-radius:99px;padding:7px 12px}.format-badge span{padding:0 7px;color:#58636b}.workbench{display:grid;grid-template-columns:304px minmax(0,1fr);gap:22px;align-items:start}.controls-panel,.settings-panel,.presets-panel{border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:20px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.section-title h2{font-size:12px;font-weight:650;letter-spacing:.3px}.text-button{border:0;padding:4px;background:none;color:#acc1c3;font-size:11px;white-space:nowrap}.text-button:hover{color:var(--accent)}.subtle{font-size:10px;color:#84949e}.field{display:block;min-width:0;font-size:11px;color:#bac8d0;margin-top:16px}.field>span,.range-field>span{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px}.field span small{font-size:9px;color:#7e909b}.field>small{display:block;font-size:10px;line-height:1.7;color:#788a95;margin-top:7px}.field input[type=text],.field textarea,.field select{display:block;width:100%;padding:10px 11px;border:1px solid #ffffff13;background:#0e1418;color:#dce6e9;border-radius:7px;font-size:12px}.field textarea{resize:vertical;line-height:1.8;min-height:100px;max-height:240px}.field #digits{font:600 23px/1.4 'Consolas',monospace;letter-spacing:1.8px}.field select{font-size:11px;padding-right:24px}.panel-divider{height:1px;background:var(--border);margin:23px 0}.field-error{color:#ffb2a9;font-size:11px;margin-top:10px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:7px}.mode-switch button{padding:12px 7px;border:1px solid #ffffff12;border-radius:8px;background:#101619;color:#8e9ca6;text-align:center}.mode-switch button[aria-pressed=true]{border-color:#acedd45e;background:#acedd411;color:var(--accent)}.mode-switch b{display:block;font-size:12px;font-weight:600}.mode-switch small{font-size:9px;display:block;margin-top:5px}.colors{display:grid;grid-template-columns:repeat(auto-fit,minmax(70px,1fr));gap:12px;margin:18px 0 14px}.color-field{font-size:11px;color:#bac8d0}.color-field input{display:block;width:100%;height:32px;border:1px solid #ffffff1a;padding:3px;background:#0e1418;border-radius:6px;margin-top:8px;cursor:pointer}.checkbox-field{display:flex;align-items:center;gap:6px;font-size:11px;color:#a2b2bb}.checkbox-field input{accent-color:var(--accent)}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result-column{min-width:0;display:grid;gap:16px}.presets-panel{padding:16px 18px}.preset-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.preset-grid button{background:#101518;color:#a0b0b9;border:1px solid #ffffff12;border-radius:8px;padding:6px;font-size:10px;min-width:0}.preset-grid button>span:last-child{display:block;margin:6px 0 2px}.preset-grid button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.preset-art{height:40px;border-radius:4px;display:grid;place-items:center;font:900 25px/1 'Arial Black',Arial,sans-serif;letter-spacing:4px;color:#fff;background-color:#f9f8f4;background-size:5px 5px}.preset-art.ink{background-image:radial-gradient(#39424d 1px,transparent 1.3px)}.preset-art.ocean{background-image:radial-gradient(#334676 1px,transparent 1.3px)}.preset-art.red{background-image:radial-gradient(#b54851 1px,transparent 1.3px)}.preset-art.violet{color:#40357a;background-image:radial-gradient(#c5a891 .7px,transparent 1.2px)}.preset-art.colorful{color:#222932;background-image:radial-gradient(#90b78f .7px,transparent 1.2px),radial-gradient(#c48ea0 .7px,transparent 1.2px);background-position:0 0,2px 2px}.preview-panel{border:1px solid var(--border);border-radius:14px;background:#151a1e;overflow:hidden}.preview-toolbar{padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px}.live-label{display:flex;align-items:center;gap:8px;color:#bdc9ce;font-size:11px}.live-label strong{font-weight:500}.live-label>span{font-size:9px;background:#acedd40d;color:#8ba79b;padding:3px 7px;border-radius:4px}.preview-actions{display:flex;gap:14px}.preview-stage{min-height:260px;padding:18px;position:relative;display:flex;align-items:center;justify-content:center;background:#0d1114;background-image:radial-gradient(#ffffff0c 1px,transparent 1px);background-size:12px 12px;margin:0 18px;border-radius:8px;overflow:hidden}.preview-stage img{display:block;max-width:100%;width:auto;max-height:580px;height:auto;object-fit:contain;box-shadow:0 6px 30px #0005}#result-image:not([src]){visibility:hidden}.render-overlay{position:absolute;inset:0;background:#0d1518b8;display:flex;gap:9px;align-items:center;justify-content:center;font-size:12px;color:var(--accent);backdrop-filter:blur(2px)}.spinner{width:13px;height:13px;border:2px solid #acedd430;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.preview-footer{display:flex;justify-content:space-between;gap:14px;padding:13px 18px;font-size:10px;color:#87979d}#render-status[data-state=error]{color:#ffb2a9}#result-size{font-variant-numeric:tabular-nums;text-align:right}.settings-panel{padding:18px 20px}.settings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.settings-grid .field{margin:0}.range-field{font-size:11px;color:#b8c6ce}.range-field output{color:var(--accent);font-size:10px}.range-field input{width:100%;accent-color:var(--accent);cursor:pointer;margin:6px 0}.bottom-note{color:#768995;font-size:10px;text-align:center;padding:0 10px}.preview-footer[data-exported]{color:var(--accent)}#preview-dialog{width:fit-content;max-width:94vw;max-height:94vh;margin:auto;padding:0;border:1px solid #ffffff20;border-radius:12px;background:#12171b;color:#e9f0f4}#preview-dialog::backdrop{background:#04090cdd;backdrop-filter:blur(4px)}.dialog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:12px 16px;font-size:12px}.dialog-toolbar button{border:1px solid var(--border);border-radius:6px;background:#ffffff08;color:white;width:30px;height:30px;font-size:20px}#dialog-image{display:block;max-width:90vw;max-height:82vh;object-fit:contain}
@media(max-width:1200px){.workbench{grid-template-columns:275px minmax(0,1fr);gap:16px}.controls-panel{padding:17px}.toolCard{padding:14px}.toolCard strong{font-size:14px}.preview-stage{padding:12px}.preview-stage img{max-height:540px}}
@media(max-width:960px){.workbench{grid-template-columns:1fr}.controls-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.controls-panel>.section-title,.panel-divider,.mode-switch,.colors,.checkbox-field,.field-error{grid-column:1/-1}.controls-panel>.field:first-of-type{grid-column:1/-1}.controls-panel>.field:nth-of-type(2){grid-column:1/-1}.controls-panel>.field:nth-of-type(2) textarea{min-height:86px}.controls-panel .two-fields{margin:0}.local-note{display:none}.format-badge{display:none}}
@media(max-width:760px){.toolNavRow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.site-shell{width:calc(100% - 24px);margin-top:12px}.toolNavRow{gap:8px}.toolNavRow+.toolNavRow{margin-top:8px}.toolCard{min-height:64px;padding:10px;gap:8px;border-radius:12px}.toolIcon{width:30px;height:30px;flex-basis:30px;border-radius:9px;font-size:17px}.toolCard strong{font-size:12px}.toolCard small{display:none}.editor-topbar{padding:14px;gap:8px}.editor-brand{gap:8px}.editor-brand strong{font-size:14px}.editor-brand small{font-size:9px;letter-spacing:.2px}.brand-icon{width:32px;height:32px;font-size:18px}.primary-button{padding:10px 12px;font-size:11px}.editor-body{padding:22px 14px 16px}.intro h1{font-size:25px}.intro-copy{font-size:11px}.controls-panel{padding:14px;gap:0 12px}.presets-panel{padding:14px 10px}.presets-panel .subtle{display:none}.preset-grid{gap:5px}.preset-grid button{padding:4px;font-size:9px}.preset-art{font-size:19px;letter-spacing:1px;height:34px}.preview-toolbar{padding:12px}.preview-actions{gap:6px}.live-label>span{display:none}.preview-stage{margin:0 10px;padding:9px;min-height:230px}.preview-stage img{max-height:480px}.preview-footer{padding:11px 12px;gap:8px;font-size:9px}.settings-panel{padding:14px}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px}.bottom-note{text-align:left}.section-title{margin-bottom:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:600px){.controls-panel .two-fields,.controls-panel>.field:last-child{grid-column:1/-1}}