.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-brand{padding:1.25rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border)}.brand-icon{font-size:1.5rem}.brand-text{font-weight:700;font-size:1.1rem}.sidebar-nav{flex:1;padding:.75rem;display:flex;flex-direction:column;gap:.15rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;border-radius:var(--radius);color:var(--text-muted);font-size:.875rem;transition:all .15s}.nav-item:hover{background:var(--bg-hover);color:var(--text)}.nav-item.active{background:var(--accent);color:#fff}.sidebar-footer{padding:.75rem 1rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.user-name{font-size:.85rem;font-weight:600}.user-role{font-size:.7rem;color:var(--text-muted);text-transform:capitalize}.btn-logout{background:transparent;color:var(--text-muted);padding:.4rem}.btn-logout:hover{color:var(--danger)}.main-content{flex:1;margin-left:240px;padding:2rem;max-width:1200px}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{width:100%;max-width:380px}.login-header{text-align:center;margin-bottom:1.5rem}.login-icon{font-size:2.5rem}.login-header h1{font-size:1.5rem;margin-top:.5rem}.login-header p{color:var(--text-muted);font-size:.85rem}.login-error{background:#e1705526;color:var(--danger);padding:.6rem .75rem;border-radius:var(--radius);font-size:.85rem;margin-bottom:1rem}.login-btn{width:100%;padding:.65rem;font-size:.95rem;margin-top:.5rem}:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-hover: #242836;--border: #2a2e3d;--text: #e4e6eb;--text-muted: #8b8fa3;--accent: #6c5ce7;--accent-hover: #7c6ff7;--success: #00b894;--warning: #fdcb6e;--danger: #e17055;--info: #74b9ff;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent);text-decoration:none}button{cursor:pointer;font-family:inherit;border:none;border-radius:var(--radius);font-size:.875rem;padding:.5rem 1rem;transition:background .2s}input,textarea,select{font-family:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:.5rem .75rem;font-size:.875rem;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.badge{display:inline-block;padding:.15rem .5rem;border-radius:12px;font-size:.75rem;font-weight:600}.badge-open{background:var(--warning);color:#000}.badge-in_progress{background:var(--info);color:#000}.badge-resolved{background:var(--success);color:#fff}.badge-closed{background:var(--text-muted);color:#fff}.loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:1.1rem;color:var(--text-muted)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.75rem;border-bottom:1px solid var(--border)}th{color:var(--text-muted);font-weight:600;font-size:.8rem;text-transform:uppercase}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.page-header h1{font-size:1.5rem;font-weight:700}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.kpi-card .label{color:var(--text-muted);font-size:.8rem;text-transform:uppercase;margin-bottom:.25rem}.kpi-card .value{font-size:1.75rem;font-weight:700}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.35rem;font-size:.85rem;color:var(--text-muted)}.form-group input,.form-group textarea,.form-group select{width:100%}.empty-state{text-align:center;padding:3rem;color:var(--text-muted)}