:root{--bg:#f7f7f8;--surface:#fff;--border:#e5e7eb;--text:#111827;--muted:#6b7280;--accent:#4f46e5;--accent-hover:#4338ca;--danger:#dc2626;--shadow:0 1px 2px #0000000a}*{box-sizing:border-box}html,body,#root{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 14px;font-family:inherit;font-size:14px;transition:background 80ms}button:hover{background:#f3f4f6}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover{background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{border:1px solid var(--border);background:var(--surface);border-radius:6px;width:100%;padding:8px 10px;font-family:inherit;font-size:14px}input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.app-shell{max-width:1200px;margin:0 auto;padding:24px}.topnav{background:var(--surface);border-bottom:1px solid var(--border);z-index:50;position:sticky;top:0}.topnav-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1200px;margin:0 auto;padding:12px 24px;display:flex}.topnav .brand{color:var(--text);letter-spacing:-.01em;font-size:18px;font-weight:600;text-decoration:none}.topnav .brand:hover{color:var(--accent);text-decoration:none}.topnav-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.topnav-user{color:var(--muted);border-left:1px solid var(--border);border-right:1px solid var(--border);padding:0 8px;font-size:13px}.app-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.app-header h1{margin:0;font-size:22px;font-weight:600}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.tab{color:var(--muted);background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:8px 14px}.tab.active{color:var(--text);border-bottom-color:var(--accent)}.tab .count{color:var(--muted);margin-left:6px;font-size:12px}.ticket-table{background:var(--surface);border:1px solid var(--border);border-collapse:collapse;width:100%;box-shadow:var(--shadow);border-radius:8px;overflow:hidden}.ticket-table th,.ticket-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 14px}.ticket-table th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;background:#fafafa;font-size:12px;font-weight:600}.ticket-table tr:last-child td{border-bottom:none}.ticket-table tr:hover{cursor:pointer;background:#fafafa}.badge{color:#fff;border-radius:12px;padding:2px 10px;font-size:12px;font-weight:500;display:inline-block}.badge.open{background:#3b82f6}.badge.waiting{background:#f59e0b}.badge.in_progress{background:#8b5cf6}.badge.resolved{background:#10b981}.badge.closed{background:#6b7280}.priority{text-transform:uppercase;border:1px solid;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.priority.low{color:#6b7280;background:#f9fafb;border-color:#d1d5db}.priority.medium{color:#3b82f6;background:#eff6ff;border-color:#bfdbfe}.priority.high{color:#f59e0b;background:#fffbeb;border-color:#fde68a}.priority.urgent{color:#dc2626;background:#fef2f2;border-color:#fecaca}.empty-state{text-align:center;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:64px 24px}.error-banner{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;margin-bottom:16px;padding:10px 14px}.login-shell{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);width:360px;box-shadow:var(--shadow);border-radius:12px;padding:32px}.login-card h1{margin:0 0 6px;font-size:24px}.login-card .sub{color:var(--muted);margin-bottom:20px;font-size:13px}.login-card .field{margin-bottom:14px}.login-card label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}.login-card .submit{width:100%;padding:10px}.back-link{color:var(--muted);font-size:13px}.back-link:hover{color:var(--accent);text-decoration:none}.ticket-meta-grid{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin-bottom:16px;padding:14px 18px}.meta-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.meta-row+.meta-row{margin-top:8px}.meta-secondary{color:var(--muted);font-size:13px}.meta-secondary strong{color:var(--text);margin-right:4px;font-weight:500}.meta-pill{border:1px solid var(--border);background:#f3f4f6;border-radius:6px;padding:2px 10px;font-size:12px}.description-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin-bottom:16px;padding:14px 18px}.description-card h3{color:var(--muted);margin:0 0 6px;font-size:14px;font-weight:500}.description-card p{white-space:pre-wrap;margin:0}.timeline{flex-direction:column;gap:10px;display:flex}.tl-item{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;gap:12px;padding:12px 16px;display:flex}.tl-icon{background:#f3f4f6;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:16px;display:flex}.tl-body{flex:1;min-width:0}.tl-header{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:14px;display:flex}.tl-meta{color:var(--muted);gap:6px;font-size:12px;display:flex}.tl-content{white-space:pre-wrap;color:var(--text);word-break:break-word;margin-top:6px;font-size:13px}.tl-attachments{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.tl-attachments a{border:1px solid var(--border);color:var(--text);background:#f3f4f6;border-radius:4px;padding:3px 8px;font-size:12px}.tl-attachments a:hover{background:#e5e7eb;text-decoration:none}.via-badge{border:1px solid var(--border);color:var(--muted);background:#f3f4f6;border-radius:10px;margin-left:8px;padding:1px 8px;font-size:11px;font-weight:500}.show-full-btn{color:var(--accent);border:1px solid var(--border);background:0 0;margin-top:8px;padding:4px 10px;font-size:12px}.show-full-btn:hover{background:#f3f4f6}.tl-email-body{margin-top:8px}.tl-email-text{border:1px solid var(--border);white-space:pre-wrap;word-wrap:break-word;background:#fafafa;border-radius:6px;max-height:500px;margin:0 0 8px;padding:10px 12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:12px;overflow-y:auto}.tl-status_change .tl-content{color:var(--muted);font-style:italic}.tl-email_sent .tl-icon,.tl-email_received .tl-icon{color:var(--accent);background:#eff6ff}.tl-comment .tl-icon{background:#fef3c7}.tl-status_change .tl-icon{background:#ede9fe}.tl-edited .tl-icon{background:#fef3c7}.unread-badge{background:var(--danger);color:#fff;vertical-align:middle;text-align:center;border-radius:10px;min-width:18px;margin-left:8px;padding:1px 7px;font-size:11px;font-weight:600;display:inline-block}.flash-info{color:#1e40af;cursor:pointer;background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;margin-bottom:16px;padding:10px 14px}.quick-actions,.comment-form,.compose-form,.reply-form{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;margin-top:16px;padding:14px 18px}.quick-actions h3,.comment-form h3,.compose-form h3,.reply-form h3{color:var(--muted);margin:0 0 10px;font-size:14px;font-weight:500}.action-row{flex-wrap:wrap;gap:8px;display:flex}.compose-form .field{margin-bottom:12px}.compose-form label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}.attachment-list{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.attachment-list .chip{border:1px solid var(--border);background:#f3f4f6;border-radius:4px;align-items:center;gap:6px;padding:3px 8px;font-size:12px;display:inline-flex}.attachment-list .chip button{color:var(--danger);cursor:pointer;background:0 0;border:none;padding:0 0 0 4px;font-size:14px}