.code-editor .cm-editor{border:1px solid var(--border);border-radius:8px;height:320px}.code-editor .cm-scroller{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e3e6ea;--text: #1c2430;--muted: #6b7480;--accent: #2f6f6a;--accent-strong: #245a55;--accent-soft: #e7f1f0;--good: #1f8a4c;--good-soft: #e6f4ec;--bad: #c2453c;--bad-soft: #fbeae8;--warn: #b7791f;--warn-soft: #fbf2e2;--radius: 10px;--shadow: 0 1px 2px rgba(20, 30, 40, .06), 0 4px 16px rgba(20, 30, 40, .05);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:var(--accent-strong)}h1,h2,h3{margin:0 0 .4em;font-weight:650;letter-spacing:-.01em}h1{font-size:1.4rem}h2{font-size:1.15rem}h3{font-size:.95rem}.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}.app-header .brand{display:flex;align-items:center;gap:10px;font-weight:650}.app-header .dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}.container{max-width:920px;margin:0 auto;padding:28px 24px 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:9px 16px;border-radius:8px;font-size:.9rem;font-weight:550;cursor:pointer;transition:background .12s,border-color .12s,opacity .12s}.btn:hover{background:#f0f2f4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-strong)}.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:#eef0f2}.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}label{display:block;font-size:.85rem;font-weight:600;margin:14px 0 5px}input[type=text],input[type=email],input[type=password],select,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;min-height:240px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:capitalize}.badge.draft{background:#eef0f2;color:var(--muted)}.badge.sending,.badge.settling{background:var(--warn-soft);color:var(--warn)}.badge.finalized{background:var(--good-soft);color:var(--good)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:8px 0}.stat{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px}.stat .n{font-size:1.5rem;font-weight:700;line-height:1.1}.stat .l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.stat.good .n{color:var(--good)}.stat.bad .n{color:var(--bad)}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}tr.clickable{cursor:pointer}tr.clickable:hover td{background:#f7f8f9}.alert{padding:11px 14px;border-radius:8px;font-size:.88rem;margin:12px 0}.alert.error{background:var(--bad-soft);color:var(--bad)}.alert.warn{background:var(--warn-soft);color:var(--warn)}.alert.info{background:var(--accent-soft);color:var(--accent-strong)}.login-wrap{min-height:78vh;display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:380px}.compose-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compose-grid>div{min-width:0}.preview-frame{width:100%;height:320px;border:1px solid var(--border);border-radius:8px;background:#fff}@media (max-width: 760px){.compose-grid{grid-template-columns:1fr}}.spinner{display:inline-block;width:15px;height:15px;border:2px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}