:root{--bg: #ffffff;--bg-sunk: #f4f6fa;--fg: #17191c;--fg-muted: #737d8c;--border: #e1e6ec;--accent: #0dbd8b;--error: #d51928;--radius: 8px;color-scheme:light dark}:root[data-theme=dark]{--bg: #16191e;--bg-sunk: #21262c;--fg: #ebeef2;--fg-muted: #a9b2bc;--border: #34393f}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #16191e;--bg-sunk: #21262c;--fg: #ebeef2;--fg-muted: #a9b2bc;--border: #34393f}}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg-sunk);color:var(--fg);font:15px/1.5 Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}#app{display:flex;flex-direction:column;height:100%}#toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;flex:0 0 auto;padding:6px 10px;background:var(--bg);border-bottom:1px solid var(--border)}#toolbar[hidden]{display:none}.spacer{flex:1 1 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var(--accent);outline-offset:2px;background:#ffffffb3;color:#1a1a1a;resize:none;overflow:hidden;white-space:pre}.text-editor[aria-invalid]{outline:2px solid #d33}.toolbar-group{display:flex;gap:.25rem;align-items:center;margin-left:.5rem;padding-left:.5rem;border-left:1px solid var(--border)}@media(max-width:560px){.toolbar-group{flex-basis:100%;justify-content:flex-end;margin-left:0;padding-left:0;border-left:0}}#toolbar button.primary:enabled{background:var(--accent);border-color:var(--accent);color:#04140f}#toolbar button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}#toolbar button:disabled{opacity:.5;cursor:default}.signature{position:fixed;inset:0;display:grid;place-items:center;background:#00000073;z-index:10}.signature__dialog{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;max-width:min(90vw,640px)}.signature__title{margin:0 0 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