:root{--bg:#f5f6f8;--panel:#fff;--border:#dde1e6;--text:#1c1f24;--text-muted:#6b7280;--accent:#2f5ce0;--danger:#d13b3b;--warn:#b3791e;--ok:#1f8a4c}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Segoe UI,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}.layout{min-height:100vh;display:flex}.sidebar{color:#e5e7eb;background:#181c22;flex-direction:column;flex-shrink:0;gap:4px;width:200px;padding:20px 16px;display:flex}.sidebar h1{color:#fff;margin:0 0 20px;font-size:15px}.sidebar a{color:#cbd2dc;border-radius:6px;padding:8px 10px;display:block}.sidebar a:hover{background:#262c35;text-decoration:none}.sidebar a.active{color:#fff;background:#2f5ce0}.sidebar .spacer{flex:1}.main{flex:1;max-width:1100px;padding:28px 36px}.page-title{margin:0 0 20px;font-size:20px;font-weight:600}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;padding:18px 20px}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.tabs a{color:var(--text-muted);border-bottom:2px solid #0000;padding:8px 14px}.tabs a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px}th{color:var(--text-muted);font-size:12px;font-weight:600}tr.row-link:hover{cursor:pointer;background:#f0f3f9}.badge{white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-pending{color:var(--danger);background:#fde8e8}.badge-on_hold{color:var(--warn);background:#fdf3d8}.badge-resolved{color:var(--ok);background:#e2f4e9}.badge-dismissed{color:var(--text-muted);background:#eaeaea}.form-row{flex-direction:column;gap:6px;max-width:480px;margin-bottom:14px;display:flex}.form-row label{color:var(--text-muted);font-size:12px}input[type=text],input[type=email],textarea,select{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:6px;padding:8px 10px}textarea{resize:vertical}.btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:6px;padding:8px 14px;display:inline-flex}.btn:hover{background:#f0f3f9}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:#2549b8}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:#fdeeee}.btn-row{flex-wrap:wrap;gap:8px;display:flex}.muted{color:var(--text-muted)}.timeline{flex-direction:column;gap:12px;display:flex}.timeline-item{border-left:2px solid var(--border);gap:12px;padding-left:14px;display:flex;position:relative}.timeline-item:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:4px;left:-5px}.timeline-body{flex:1}.timeline-meta{color:var(--text-muted);margin-bottom:2px;font-size:12px}.login-wrap{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{border:1px solid var(--border);background:#fff;border-radius:10px;width:340px;padding:32px}.error-text{color:var(--danger);font-size:13px}.empty-state{color:var(--text-muted);text-align:center;padding:40px 0}