:root{--bg:#f5f7f9;--card:#fff;--text:#17212b;--muted:#6c7885;--line:#dfe5ea;--accent:#176b87;--accent2:#20a4b8;--danger:#b42318;--ok:#067647;--warn:#b54708;--radius:12px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}.topbar{height:66px;background:#0f2530;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.brand{font-size:20px;font-weight:800;color:#fff}.brand span,.auth-card h1 span{color:#42bed0}.topbar nav{display:flex;gap:22px}.topbar nav a{color:#dbe7eb}.container{max-width:1280px;margin:auto;padding:28px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.page-head h1{margin:0;font-size:28px}.card,.message,.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(16,24,40,.04)}.card{padding:20px;margin-bottom:18px}.toolbar{display:flex;justify-content:space-between;margin-bottom:14px}.tabs,.settings-nav{display:flex;gap:7px;flex-wrap:wrap}.tabs a,.settings-nav a{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:9px;color:var(--text)}.tabs a.active,.settings-nav a.active{background:#0f2530;color:#fff;border-color:#0f2530}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#fafbfc}tbody tr:hover{background:#fbfcfd}.muted{color:var(--muted);font-size:12px}.status{display:inline-block;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700}.status.pending{background:#fff3e8;color:var(--warn)}.status.resolved{background:#ecfdf3;color:var(--ok)}.ticket-meta{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:18px}.ticket-meta h2{margin:0 0 4px}.messages{display:grid;gap:12px}.message{padding:0;overflow:hidden}.message-head{display:flex;justify-content:space-between;padding:10px 14px;background:#f8fafb;border-bottom:1px solid var(--line);font-size:12px}.message.internal{border-left:4px solid #e4a11b}.message.outbound{border-left:4px solid var(--accent2)}.message.inbound{border-left:4px solid #64748b}.message-body{padding:15px;white-space:normal}.composer-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.form-grid .full{grid-column:1/-1}label{display:grid;gap:6px;font-weight:600}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cfd8df;border-radius:8px;background:#fff;color:var(--text);font:inherit}textarea{resize:vertical}button{border:0;background:var(--accent);color:#fff;padding:10px 15px;border-radius:8px;font-weight:700;cursor:pointer}button.secondary{background:#e8eef1;color:#18333f}.check{display:flex;align-items:center;gap:8px}.check input,.checks input{width:auto}.checks{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}.checks label{display:flex;align-items:center;gap:6px;font-weight:500}.stack{display:grid;gap:12px}details.card{padding:0}details.card summary{cursor:pointer;padding:16px 20px}details.card .detail-form{padding:0 20px 20px}.inline-form{padding:0 20px 20px}.ticket-actions{display:flex;justify-content:flex-end;margin:16px 0}.alert{padding:11px 14px;border-radius:9px;margin-bottom:14px;border:1px solid}.alert.success{background:#ecfdf3;border-color:#a6f4c5;color:#067647}.alert.error{background:#fef3f2;border-color:#fecdca;color:#b42318}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 15px 45px rgba(16,24,40,.08);display:grid;gap:15px}.auth-card h1{margin:0;font-size:28px}.auth-card p{margin:0;color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:40px}footer{color:var(--muted);text-align:center;font-size:12px;padding:28px 0 10px}@media(max-width:760px){.container{padding:18px}.topbar{padding:0 16px}.composer-grid,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.ticket-meta{display:block}.topbar nav{gap:12px}}