:root{--bg: #0f172a;--surface: #1e293b;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--danger: #f87171;--success: #34d399;--warn: #fbbf24;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}h1,h2,h3{margin:0 0 .75rem}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:.85rem;margin:.25rem 0 .5rem}.error{color:var(--danger)}.success{color:var(--success)}.warn{color:var(--warn)}label{display:block;margin:.75rem 0 .25rem;font-weight:600;font-size:.9rem}input,textarea{width:100%;padding:.5rem .65rem;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font:inherit}textarea{resize:vertical}button{margin-top:.75rem;padding:.5rem 1rem;background:var(--accent);color:#04263a;border:none;border-radius:6px;font:inherit;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.danger{background:var(--danger);color:#300}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.5rem}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.auth-card{width:100%;max-width:24rem}.shell{min-height:100vh}.shell-header{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;border-bottom:1px solid var(--border);background:var(--surface)}.brand{font-weight:700}.tabs{display:flex;gap:.5rem}.tabs button,.shell-account button{margin:0;background:transparent;color:var(--text);border:1px solid var(--border)}.tabs button.active{background:var(--accent);color:#04263a;border-color:var(--accent)}.shell-account{margin-left:auto;display:flex;align-items:center;gap:1rem}.shell-main{max-width:44rem;margin:1.5rem auto;padding:0 1.5rem}.inline-form{display:flex;align-items:flex-end;gap:.75rem;flex-wrap:wrap}.inline-form input{width:auto;flex:1;min-width:12rem}.inline-form button{margin:0}.key-list{list-style:none;padding:0;margin:1rem 0 0}.key-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0;border-top:1px solid var(--border)}.key-list li>div:first-child{display:flex;flex-direction:column;gap:.15rem}.key-name{font-weight:600}.key-id{font-family:ui-monospace,monospace;font-size:.85rem}.confirm-row{display:flex;align-items:center;gap:.5rem}.confirm-row button{margin:0}.reveal-panel{border:1px solid var(--warn);border-radius:8px;padding:1rem;margin:1rem 0}.secret{display:block;padding:.65rem;margin:.5rem 0;background:var(--bg);border:1px solid var(--border);border-radius:6px;font-family:ui-monospace,monospace;word-break:break-all}.reveal-actions{display:flex;gap:.5rem}.reveal-actions button{margin:0}.mail-list{list-style:none;padding:0;margin:1rem 0 0}.mail-list li{border-top:1px solid var(--border)}.mail-row{display:flex;flex-direction:column;gap:.15rem;width:100%;margin:0;padding:.75rem 0;background:transparent;border:none;border-radius:0;color:var(--text);text-align:left;cursor:pointer}.mail-row:hover{background:#94a3b814}.mail-row-top{display:flex;justify-content:space-between;gap:1rem}.mail-party{font-weight:600}.mail-subject{color:var(--text)}.mail-snippet{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-badges{display:flex;gap:.5rem;align-items:center}.badge{font-size:.75rem}.badge-warn{color:var(--warn);border:1px solid var(--warn);border-radius:999px;padding:0 .5rem}.link-back{margin:0 0 .75rem;padding:.25rem 0;background:transparent;border:none;color:var(--accent);cursor:pointer}.email-headers{display:grid;grid-template-columns:auto 1fr;gap:.15rem .75rem;margin:0 0 1rem;font-size:.9rem}.email-headers dt{color:var(--muted);font-weight:600}.email-headers dd{margin:0;word-break:break-word}.quarantine-banner{border:1px solid var(--warn);border-radius:8px;padding:.75rem 1rem;margin:0 0 1rem}.quarantine-banner p{margin:0 0 .5rem;color:var(--warn)}.quarantine-banner button{margin:0}.image-toggle{display:flex;align-items:center;gap:.75rem;margin:0 0 .5rem}.image-toggle button{margin:0}.email-frame{width:100%;height:60vh;min-height:20rem;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.email-text{white-space:pre-wrap;word-break:break-word;margin:0;font:inherit}.email-attachments{margin-top:1.5rem}.attachment-list{list-style:none;padding:0;margin:.5rem 0 0}.attachment-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem 0;border-top:1px solid var(--border)}.attachment-list li>div:first-child{display:flex;flex-direction:column;gap:.15rem}.attachment-name{font-weight:600;word-break:break-all}.attachment-list button{margin:0}