@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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components;@layer utilities{.start{inset-inline-start:var(--spacing)}}:root{--ink:#16243a;--muted:#69788f;--line:#d9e0e9;--soft-line:#e9edf3;--panel:#fff;--canvas:#edf1f6;--blue:#265df0;--blue-dark:#1849cd;--blue-soft:#eef4ff;--green:#16a66b;--green-soft:#ebfaf3;--amber:#b66705;--amber-soft:#fff7e8;--red:#c13e49;--red-soft:#fff0f1}*{box-sizing:border-box}html{background:var(--canvas)}body{background:var(--canvas);min-width:320px;color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.login-shell{background:radial-gradient(circle at 18% 12%,#3968f429,#0000 32%),linear-gradient(145deg,#eef3fb 0%,#f8fafc 48%,#e8eef7 100%);place-items:center;min-height:100vh;padding:28px;display:grid}.login-panel{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffeb;border:1px solid #d6dfebf2;border-radius:24px;width:min(100%,430px);padding:44px;box-shadow:0 30px 70px #182e5124}.login-mark,.brand-mark{color:#fff;background:linear-gradient(145deg,#3470ff,#1b4cda);place-items:center;display:grid;box-shadow:0 8px 20px #265df047}.login-mark{border-radius:16px;width:54px;height:54px;margin-bottom:26px;font-family:STKaiti,KaiTi,serif;font-size:27px;font-weight:700}.eyebrow,.step-label{color:var(--blue);letter-spacing:.15em;margin:0;font-size:11px;font-weight:800}.login-panel h1{letter-spacing:-.03em;margin:9px 0 8px;font-size:30px;line-height:1.25}.login-copy,.login-footnote{color:var(--muted);margin:0;line-height:1.7}.login-form{gap:10px;margin-top:30px;display:grid}.login-form label,.field>span,.signer-field>span{color:#43526a;font-size:13px;font-weight:700}.login-form input,.field input,.field select,.signer-field select{width:100%;color:var(--ink);background:#fff;border:1px solid #cfd7e3;border-radius:10px;outline:none;transition:border-color .15s,box-shadow .15s}.login-form input{height:48px;padding:0 14px}.login-form input:focus,.field input:focus,.field select:focus,.signer-field select:focus{border-color:#7a9bff;box-shadow:0 0 0 3px #265df01f}.primary-button,.generate-button{color:#fff;background:linear-gradient(135deg,#2d66f5,#1c4ed5);border:0;box-shadow:0 12px 24px #265df03d}.primary-button{border-radius:11px;min-height:48px;margin-top:6px;font-weight:800}.primary-button:hover:not(:disabled),.generate-button:hover:not(:disabled){background:linear-gradient(135deg,#245bea,#163fb8)}.primary-button:disabled,.generate-button:disabled{opacity:.55;box-shadow:none}.form-error,.result-message{margin:0;font-size:13px;line-height:1.6}.form-error{color:var(--red)}.login-footnote{margin-top:24px;font-size:12px}.app-shell{min-height:100vh}.topbar{background:#fffffff5;border-bottom:1px solid #dce3ed;justify-content:space-between;align-items:center;gap:24px;height:74px;padding:0 clamp(20px,4vw,64px);display:flex;box-shadow:0 4px 18px #2036550a}.brand,.topbar-actions,.section-heading,.preview-heading,.select-with-status,.preview-notes{align-items:center;display:flex}.brand{gap:12px}.brand-mark{border-radius:11px;width:38px;height:38px;font-family:STKaiti,KaiTi,serif;font-size:20px;font-weight:700}.brand p,.brand h1{margin:0}.brand p{color:var(--muted);letter-spacing:.12em;margin-bottom:2px;font-size:10px;font-weight:700}.brand h1{letter-spacing:.02em;font-size:15px;font-weight:800}.topbar-actions{gap:12px}.session-pill,.page-chip,.required-note,.asset-status{white-space:nowrap;border-radius:999px;align-items:center;font-size:11px;font-weight:700;display:inline-flex}.session-pill{color:#22724f;background:var(--green-soft);gap:7px;padding:7px 11px}.session-pill>span,.green-dot{background:var(--green);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #16a66b1f}.text-button{color:var(--muted);background:0 0;border:0;padding:7px 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select{appearance:none;background-image:linear-gradient(45deg,#0000 50%,#7d8ba0 50%),linear-gradient(135deg,#7d8ba0 50%,#0000 50%);background-position:calc(100% - 16px),calc(100% - 12px);background-repeat:no-repeat;background-size:4px 4px,4px 4px}.match-banner{color:#285e49;background:#f1fbf7;border:1px solid #cfe8dd;border-radius:10px;gap:11px;margin-top:16px;padding:13px 14px;display:flex}.match-banner.warning{color:#84500b;background:var(--amber-soft);border-color:#f0d8aa}.match-icon{width:24px;height:24px;color:var(--green);background:#dff5eb;border-radius:7px;flex:none;place-items:center;font-size:17px;font-weight:900;display:grid}.match-banner.warning .match-icon{color:var(--amber);background:#fcecc8}.match-banner strong{margin-bottom:3px;font-size:12px;display:block}.match-banner p{margin:0;font-size:12px;line-height:1.5}.section-divider{background:var(--soft-line);height:1px;margin:25px 0 23px}.signer-grid{grid-template-columns:1fr 1fr;gap:15px 14px;margin-top:20px;display:grid}.signer-field>span{align-items:center;gap:7px;display:flex}.signer-field b{color:#9aa6b7;font-variant-numeric:tabular-nums;font-size:10px}.select-with-status{position:relative}.signer-field select{height:42px;padding:0 76px 0 11px;font-size:13px}.asset-status{pointer-events:none;padding:4px 7px;position:absolute;right:28px}.asset-status.ready{color:#147248;background:var(--green-soft)}.asset-status.missing{color:#a36819;background:var(--amber-soft)}.result-message{border-radius:9px;justify-content:space-between;align-items:center;gap:14px;margin-top:18px;padding:11px 13px;display:flex}.result-message a{color:inherit;text-underline-offset:2px;font-weight:800;text-decoration:underline}.result-message.error{color:#9d2935;background:var(--red-soft)}.result-message.success{color:#126442;background:var(--green-soft)}.generate-button{border-radius:11px;place-items:center;gap:2px;width:100%;min-height:60px;margin-top:20px;display:grid}.generate-button span{font-size:15px;font-weight:800}.generate-button small{color:#ffffffbd;font-size:10px;font-weight:500}.preview-card{position:sticky;top:22px;overflow:hidden}.preview-heading{padding:22px 24px 18px}.preview-heading h2{font-size:18px}.preview-actions{align-items:center;gap:8px;display:flex}.refresh-signatures{color:#315fbc;background:#f5f8ff;border:1px solid #ccd7ea;border-radius:999px;align-items:center;gap:5px;min-height:32px;padding:6px 10px;font-size:11px;font-weight:800;display:inline-flex}.refresh-signatures:hover{background:#eaf0ff;border-color:#9bb5e7}.refresh-signatures:disabled{cursor:wait;opacity:.6}.refresh-signatures span{font-size:15px;line-height:1}.page-chip{color:#5e6f88;background:#f0f3f7;padding:6px 10px}.paper-stage{border-top:1px solid var(--soft-line);border-bottom:1px solid var(--soft-line);background-color:#f2f5f8;background-image:linear-gradient(#e9eef4 1px,#0000 1px),linear-gradient(90deg,#e9eef4 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:22px 22px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;place-items:center;min-height:670px;padding:24px;display:grid}.paper-stage canvas{background:#fff;width:min(100%,475px);height:auto;display:block;box-shadow:0 18px 40px #2232482e,0 0 0 1px #22324812}.preview-notes{color:#718097;justify-content:space-between;gap:12px;padding:14px 20px;font-size:10px}.preview-notes span{align-items:center;gap:8px;display:inline-flex}.green-dot{width:6px;height:6px;display:inline-block}@media (max-width:1080px){.workspace{grid-template-columns:1fr;max-width:780px}.preview-card{position:static}.paper-stage{min-height:600px}}@media (max-width:620px){.login-panel{padding:32px 24px}.topbar{height:68px;padding:0 16px}.brand p{display:none}.brand h1{font-size:14px}.session-pill{display:none}.workspace{padding:15px 12px 30px}.form-card{padding:21px 16px}.field-grid,.signer-grid{grid-template-columns:1fr}.field-wide{grid-column:auto}.required-note{display:none}.preview-heading{align-items:flex-start}.preview-actions{flex-direction:column-reverse;align-items:flex-end}.paper-stage{min-height:0;padding:14px}.preview-notes{flex-direction:column;align-items:flex-start}}