:root{--bg: #14151a;--bg-panel: #1c1e26;--bg-hover: #262934;--border: #2e3240;--text: #d9dce3;--text-dim: #8b90a0;--accent: #7aa2f7;--green: #9ece6a;--red: #f7768e;--amber: #e0af68;font-family:system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{background:var(--accent);color:#14151a;border:none;border-radius:6px;padding:.5rem 1rem;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:default}button.ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}input,textarea{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.5rem;width:100%;font:inherit}textarea{resize:vertical}.auth-card{max-width:420px;margin:8vh auto;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:2rem;display:flex;flex-direction:column;gap:.75rem}.auth-card h1{margin:0 0 .5rem;font-size:1.4rem}.auth-card .error{color:var(--red);font-size:.9rem}.auth-card .hint{color:var(--text-dim);font-size:.85rem}.recovery-key{font-family:monospace;font-size:1.1rem;background:var(--bg);border:1px dashed var(--amber);border-radius:6px;padding:.75rem;text-align:center;color:var(--amber);user-select:all}.shell{display:grid;grid-template-columns:220px 360px 1fr;height:100vh}.sidebar{background:var(--bg-panel);border-right:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;gap:.25rem}.sidebar .brand{font-weight:700;color:var(--accent);margin-bottom:1rem}.sidebar .mbox{display:flex;justify-content:space-between;padding:.4rem .6rem;border-radius:6px;cursor:pointer;color:var(--text-dim)}.sidebar .mbox.active,.sidebar .mbox:hover{background:var(--bg-hover);color:var(--text)}.sidebar .spacer{flex:1}.sidebar .me{font-size:.8rem;color:var(--text-dim);word-break:break-all}.list{border-right:1px solid var(--border);overflow-y:auto}.list .search{padding:.75rem;border-bottom:1px solid var(--border)}.list .row{padding:.75rem;border-bottom:1px solid var(--border);cursor:pointer}.list .row:hover,.list .row.active{background:var(--bg-hover)}.list .row .from{font-weight:600;font-size:.9rem}.list .row.unread .from:before{content:"● ";color:var(--accent)}.list .row .subject{font-size:.9rem}.list .row .preview{font-size:.8rem;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader{overflow-y:auto;padding:1.5rem}.reader .subject{font-size:1.3rem;font-weight:700;margin-bottom:.25rem}.reader .meta{color:var(--text-dim);font-size:.85rem;margin-bottom:1rem}.reader .body{white-space:pre-wrap;line-height:1.5}.badge{display:inline-block;font-size:.75rem;border-radius:4px;padding:.1rem .4rem;margin-left:.5rem}.badge.encrypted{background:color-mix(in srgb,var(--green) 20%,transparent);color:var(--green)}.badge.signed-bad{background:color-mix(in srgb,var(--red) 20%,transparent);color:var(--red)}.badge.plaintext{background:color-mix(in srgb,var(--amber) 20%,transparent);color:var(--amber)}.composer-overlay{position:fixed;inset:0;background:#00000080;display:grid;place-items:center}.composer{width:min(640px,90vw);background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:.75rem}.composer .actions{display:flex;gap:.75rem;justify-content:flex-end}.empty{display:grid;place-items:center;color:var(--text-dim);height:100%}