*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f5f7;--surface: #ffffff;--border: #e2e4e9;--primary: #3b5bdb;--primary-hover: #2f4ac7;--danger: #e03131;--success: #2f9e44;--warning: #f08c00;--text: #1a1d23;--muted: #6b7280;--sidebar-bg: #1e2333;--sidebar-text: #b8bfcc;--sidebar-active: #3b5bdb;--radius: 6px;--shadow: 0 1px 3px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font:inherit}input,textarea,select{font:inherit;border:1px solid var(--border);border-radius:var(--radius);padding:7px 10px;outline:none;width:100%;background:var(--surface);color:var(--text)}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 2px 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8px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}.badge-open{background:#dbe4ff;color:#3b5bdb}.badge-pending{background:#fff3bf;color:#e67700}.badge-closed{background:#d3f9d8;color:#2b8a3e}.badge-low{background:#f1f3f5;color:#495057}.badge-normal{background:#e7f5ff;color:#1971c2}.badge-high{background:#fff4e6;color:#e67700}.badge-urgent{background:#fff5f5;color:#c92a2a}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.form-group{margin-bottom:16px}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;height:100vh;overflow-y:auto}.sidebar-logo{padding:20px 16px 16px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-logo span{color:var(--primary)}.sidebar-section{padding:12px 0}.sidebar-label{padding:6px 16px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#ffffff4d}.sidebar a{display:flex;align-items:center;gap:10px;padding:9px 16px;color:var(--sidebar-text);font-size:13px;transition:all .15s}.sidebar a:hover{background:#ffffff0f;color:#fff;text-decoration:none}.sidebar a.active{background:var(--sidebar-active);color:#fff}.sidebar-bottom{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}.main{margin-left:220px;flex:1;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;gap:12px}.topbar h1{font-size:18px;font-weight:600;flex:1}.content{padding:24px;flex:1}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{padding:16px 20px}.stat-card .label{font-size:12px;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}.stat-card .value{font-size:28px;font-weight:700}.filters{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center}.filters input,.filters select{width:auto;min-width:140px}.ticket-row td:first-child{font-weight:500}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h2{font-size:20px;font-weight:600}.ticket-detail{display:grid;grid-template-columns:1fr 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h1{font-size:22px;font-weight:700;margin-bottom:4px}.login-card .subtitle{color:var(--muted);margin-bottom:24px;font-size:13px}.error-msg{background:#fff5f5;border:1px solid #ffc9c9;color:var(--danger);padding:10px 12px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.pagination{display:flex;align-items:center;gap:8px;margin-top:16px;justify-content:flex-end;color:var(--muted);font-size:13px}input[type=checkbox]{width:auto}.chip-list{display:flex;flex-wrap:wrap;gap:4px}.chip{background:#dbe4ff;color:var(--primary);border-radius:12px;padding:2px 10px;font-size:12px;font-weight:500}