:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#141a23;--soft-ink:#364152;--muted:#697586;--line:#d5dce8;--panel:#fbfcfe;--paper:#eef3f7;--steel:#273244;--teal:#0f766e;--teal-dark:#115e59;--amber:#d6a100;--danger:#b42318;--shadow:0 20px 55px #141a2324}*{box-sizing:border-box}html{min-height:100%}body{background:linear-gradient(90deg, #141a230d 1px, transparent 1px), linear-gradient(#141a230a 1px, transparent 1px), linear-gradient(135deg, #f7f9fc 0%, var(--paper) 100%);min-height:100vh;color:var(--ink);background-size:30px 30px,30px 30px,auto;margin:0;font-family:Avenir Next,Candara,Segoe UI,Microsoft YaHei,sans-serif}button,input{font:inherit}button{letter-spacing:0}.app-shell{align-items:center;min-height:100vh;padding:34px;display:grid}.workspace{width:min(1480px,100%);margin:0 auto}.top-bar{grid-template-columns:1fr auto;align-items:end;gap:18px;margin-bottom:22px;display:grid}.title-block{min-width:0}.eyebrow,.section-label{color:var(--teal-dark);letter-spacing:0;text-transform:uppercase;margin:0;font-size:.78rem;font-weight:800}h1{letter-spacing:0;margin:4px 0 0;font-family:Cambria,Georgia,serif;font-size:3.4rem;line-height:.95}.language-switch{border:1px solid var(--line);background:#ffffffc7;border-radius:8px;grid-template-columns:repeat(2,48px);gap:4px;padding:4px;display:inline-grid;box-shadow:0 10px 28px #141a2314}.language-option{min-height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;font-weight:800}.language-option.is-active{background:var(--steel);color:#fff}.tool{grid-template-columns:390px minmax(0,1fr);align-items:stretch;gap:18px;display:grid}.control-column{align-content:start;gap:16px;height:100%;display:grid}.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fbfcfef2;border-radius:8px}.panel-heading{justify-content:space-between;align-items:center;gap:12px;padding:20px 20px 0;display:flex}.upload-panel{min-height:232px}.file-picker{cursor:pointer;grid-template-columns:78px 1fr;align-items:center;gap:16px;min-height:190px;padding:24px 20px;display:grid}.file-picker input{opacity:0;pointer-events:none;block-size:1px;inline-size:1px;position:absolute}.file-mark{border:2px solid var(--ink);width:70px;height:88px;color:var(--ink);box-shadow:8px 8px 0 var(--amber);background:linear-gradient(135deg,#fff 0 68%,#d9e8ff 68%),#fff;border-radius:4px;place-items:center;font-weight:900;display:grid}.file-copy{gap:7px;min-width:0;display:grid}.file-copy strong{font-size:1.16rem}.file-copy span,#status,.preview-state{color:var(--muted)}.settings-panel{gap:21px;padding:0 20px 28px;display:grid}.field,.field-row{min-width:0}.field{color:var(--soft-ink);gap:10px;font-size:.92rem;font-weight:800;display:grid}.field input[type=text]{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:6px;padding:12px 13px}.field input[type=text]:focus,.field input[type=range]:focus,.field input[type=color]:focus,.language-option:focus,.color-swatch:focus,button:focus,.download-link:focus{outline-offset:2px;outline:3px solid #0f766e3d}.field-row{grid-template-columns:88px 1fr;align-items:end;gap:15px;display:grid}.color-control{grid-template-columns:58px 1fr;align-items:center;gap:12px;display:grid}.color-field input{border:1px solid var(--line);background:#fff;border-radius:6px;width:58px;height:42px;padding:3px}.color-swatches{grid-template-columns:repeat(5,minmax(34px,42px));align-items:center;gap:8px;display:grid}.color-swatch{border:1px solid var(--line);cursor:pointer;border-radius:6px;width:100%;min-height:36px;padding:0;box-shadow:inset 0 0 0 2px #ffffff8c}.color-swatch.is-active{outline-offset:2px;outline:3px solid #0f766e47}.color-swatch-black{background:#000}.color-swatch-white{background:#fff}.color-swatch-gray{background:gray}.color-swatch-red{background:#dc2626}.color-swatch-blue{background:#2563eb}input[type=range]{width:100%;accent-color:var(--teal)}output{color:var(--ink)}.action-panel{grid-template-columns:1fr;gap:12px;padding:20px;display:grid}button,.download-link{border:0;border-radius:6px;place-items:center;min-height:54px;padding:0 18px;font-weight:900;text-decoration:none;display:inline-grid}#generate-button{background:var(--teal);color:#fff;cursor:pointer}#generate-button:not(:disabled):hover{background:var(--teal-dark)}#generate-button:disabled{cursor:not-allowed;background:#a9b4c4}.download-link{background:var(--steel);color:#fff}.download-link[hidden]{display:none}#status{min-height:22px;margin:2px 0 0;line-height:1.45}#status.is-error{color:var(--danger);font-weight:800}.preview-panel{grid-template-rows:auto minmax(0,1fr);height:100%;min-height:0;display:grid;overflow:hidden}.preview-heading{border-bottom:1px solid var(--line);background:#ffffffb8;padding-bottom:14px}.preview-state{text-align:right;font-size:.9rem;font-weight:700}.preview-stage{background:#111827;min-height:0;position:relative;overflow:hidden}.preview-scroll{scrollbar-gutter:stable;position:absolute;inset:14px;overflow:auto}#watermark-preview{border-radius:6px;width:100%;height:auto;display:block}.privacy-footer{border:0;border-top:1px solid var(--line);box-shadow:none;text-align:center;background:0 0;border-radius:0;justify-items:center;gap:4px;margin:18px auto 0;padding:22px 16px 18px;display:grid}.privacy-footer p{color:#567086;text-align:center;margin:0;font-size:.86rem;font-weight:600;line-height:1.45}.privacy-footer a{color:#567086;white-space:nowrap;font-size:.86rem;font-weight:650;text-decoration:none}.privacy-footer a:hover{color:var(--teal-dark)}@media (width<=680px){.tool{grid-template-columns:1fr}.control-column{grid-template-columns:minmax(280px,.8fr) minmax(320px,1fr);align-items:stretch}.action-panel{grid-column:1/-1}.app-shell{padding:16px}.top-bar{grid-template-columns:1fr;align-items:start}h1{font-size:2.35rem}.control-column{grid-template-columns:1fr}.file-picker{grid-template-columns:70px 1fr}.field-row,.color-control{grid-template-columns:1fr}.preview-panel{height:64vh}.privacy-footer{padding-inline:8px}.preview-heading{align-items:start;display:grid}.preview-state{text-align:left}}