:root{color-scheme:light dark;--flame: #ff5a1f;--amber: #ffb020;--bg: #ffffff;--surface: #f5f5f4;--text: #1a1a1a;--text-muted: #777777;--border: #e2e2e0;--input-bg: #ffffff;--input-text: #1a1a1a;--selected-bg: #fff4ee;--error-bg: #fdecea;--error-text: #b3261e;--success-bg: #e6f7ed;--success-text: #1e7e42}@media (prefers-color-scheme: dark){:root{--bg: #1a1a1a;--surface: #262624;--text: #f5f5f4;--text-muted: #9a9a97;--border: #3a3a37;--input-bg: #262624;--input-text: #f5f5f4;--selected-bg: #3a2418;--error-bg: #3a1f1c;--error-text: #ff8a80;--success-bg: #1c3324;--success-text: #6fd68f}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:13px;color:var(--text);background:var(--bg)}.pane{padding:12px;display:flex;flex-direction:column;gap:12px;height:100vh;overflow-y:auto}h1{font-size:15px;margin:0;color:var(--text)}h2{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 6px}label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:3px}input,select,textarea{width:100%;padding:6px 8px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:inherit;background:var(--input-bg);color:var(--input-text)}textarea{resize:vertical}.field{margin-bottom:10px}button{font-family:inherit}button.primary{background:var(--flame);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-weight:600;cursor:pointer;font-size:13px}button.primary:disabled{opacity:.5;cursor:default}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 14px;cursor:pointer;font-size:13px}button.secondary:disabled{opacity:.5;cursor:default}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);padding-bottom:8px}.tab{padding:6px 10px;border-radius:6px 6px 0 0;cursor:pointer;font-size:12px;font-weight:600;color:var(--text-muted)}.tab.active{background:var(--surface);color:var(--text)}.email-preview{background:var(--surface);border-radius:8px;padding:10px;font-size:12px;color:var(--text)}.email-preview .from{font-weight:600}.item-row{padding:8px;border:1px solid var(--border);border-radius:6px;cursor:pointer;margin-bottom:6px;color:var(--text)}.item-row.selected{border-color:var(--flame);background:var(--selected-bg)}.item-row .subject{font-weight:600;font-size:12px}.item-row .meta{font-size:11px;color:var(--text-muted)}.banner{padding:8px 10px;border-radius:6px;font-size:12px}.banner.error{background:var(--error-bg);color:var(--error-text)}.banner.success{background:var(--success-bg);color:var(--success-text)}.muted{color:var(--text-muted);font-size:12px}