:root{--bg:#0a0e17;--surface:#111827;--surface-alt:#1a2235;--border:#1e293b;--accent:#3b82f6;--accent-glow:rgba(59,130,246,0.15);--danger:#ef4444;--danger-glow:rgba(239,68,68,0.15);--warning:#f59e0b;--warning-glow:rgba(245,158,11,0.15);--success:#10b981;--success-glow:rgba(16,185,129,0.15);--info:#6366f1;--text:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--font:'IBM Plex Sans',-apple-system,sans-serif;--mono:'JetBrains Mono','Fira Code',monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}

.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;border-bottom:1px solid var(--border);margin-bottom:16px}
.brand-icon{font-size:24px;color:var(--accent)}.brand-name{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:-0.5px}.brand-tag{font-size:8px;color:var(--text-dim);font-weight:600;letter-spacing:1.5px;text-transform:uppercase;margin-top:1px}
.sidebar-nav{display:flex;flex-direction:column;gap:1px;flex:1}
.nav-section{font-size:9px;color:var(--text-dim);font-weight:700;letter-spacing:1.2px;text-transform:uppercase;padding:16px 12px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-muted);font-weight:500;font-size:13px;text-decoration:none;border-left:3px solid transparent;transition:all .15s}
.nav-item:hover{background:var(--surface-alt);color:var(--text);text-decoration:none}
.nav-item.active{background:var(--accent-glow);color:var(--accent);font-weight:700;border-left-color:var(--accent)}
.ni{font-size:15px;width:20px;text-align:center}
.sidebar-user{padding:14px 8px 0;border-top:1px solid var(--border);margin-top:auto}
.user-name{font-size:13px;font-weight:600;color:var(--text)}.user-role{font-size:11px;color:var(--accent);margin-top:1px}.logout-link{font-size:11px;color:var(--text-dim);margin-top:6px;display:inline-block}.logout-link:hover{color:var(--danger)}

.main-content{flex:1;padding:28px;overflow-y:auto;max-height:100vh}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.page-title{font-size:22px;font-weight:800}.page-subtitle{font-size:13px;color:var(--text-dim);margin-top:4px}.page-actions{display:flex;gap:10px;align-items:center}

.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;text-align:center}
.metric-icon{font-size:28px;margin-bottom:4px}.metric-value{font-size:28px;font-weight:800;font-family:var(--mono)}.metric-label{font-size:12px;color:var(--text-muted);font-weight:600;margin-top:2px}.metric-sub{font-size:11px;color:var(--text-dim);margin-top:4px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.card-header h3{font-size:14px;font-weight:700}.link-sm{font-size:12px;color:var(--accent);font-weight:600}

.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.grid-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

.badge{font-size:11px;font-weight:600;padding:3px 10px;border-radius:99px;display:inline-block;letter-spacing:.3px}
.sev-critical{background:#7f1d1d;color:#fca5a5;border:1px solid #ef4444;border-radius:4px;text-transform:uppercase;font-weight:700;letter-spacing:.5px}
.sev-high{background:#7c2d12;color:#fdba74;border:1px solid #f97316;border-radius:4px;text-transform:uppercase;font-weight:700}
.sev-medium{background:#78350f;color:#fde68a;border:1px solid #f59e0b;border-radius:4px;text-transform:uppercase;font-weight:700}
.sev-low{background:#1e3a5f;color:#93c5fd;border:1px solid #3b82f6;border-radius:4px;text-transform:uppercase;font-weight:700}
.sev-info{background:#1e293b;color:#94a3b8;border:1px solid #64748b;border-radius:4px;text-transform:uppercase;font-weight:700}
.st-danger{background:var(--danger-glow);color:var(--danger);border:1px solid var(--danger)}
.st-progress{background:var(--accent-glow);color:var(--accent);border:1px solid var(--accent)}
.st-success{background:var(--success-glow);color:var(--success);border:1px solid var(--success)}
.st-warning{background:var(--warning-glow);color:var(--warning);border:1px solid var(--warning)}
.st-default{background:rgba(100,116,139,.15);color:var(--text-dim);border:1px solid var(--text-dim)}

.progress-bar-wrap{width:100%;height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.progress-bar{height:100%;background:var(--accent);border-radius:3px;transition:width .5s}

.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table thead th{padding:12px 14px;text-align:left;color:var(--text-dim);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:var(--surface-alt)}
.data-table tbody td{padding:12px 14px;border-bottom:1px solid var(--border)}
.data-table tbody tr:hover{background:var(--surface-alt)}

.list-item{padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--border)}
.list-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.list-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.list-item-title{font-size:13px;font-weight:600;color:var(--text)}
.list-item-meta{display:flex;gap:16px;font-size:11px;color:var(--text-dim);margin-top:4px}

.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.form-control{width:100%;padding:10px 14px;background:var(--surface-alt);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;font-family:var(--font);transition:border-color .2s;box-sizing:border-box}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
select.form-control{cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
select.form-control option{background:var(--surface);color:var(--text)}
textarea.form-control{min-height:100px;resize:vertical}
input[type="date"].form-control{color-scheme:dark}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.form-actions{display:flex;align-items:center;gap:10px;padding-top:20px;border-top:1px solid var(--border);margin-top:20px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:13px;font-weight:700;font-family:var(--font);cursor:pointer;border:1px solid transparent;transition:all .15s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#2563eb}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}
.btn-success{background:var(--success);color:#fff}
.btn-outline{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:6px 14px;font-size:12px}

.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.action-btns{display:flex;gap:6px}
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding-top:16px;border-top:1px solid var(--border);margin-top:16px}
.empty-state{text-align:center;padding:48px 20px}.empty-icon{font-size:48px;margin-bottom:12px}.empty-state h3{font-size:16px;font-weight:700;margin-bottom:6px}.empty-state p{font-size:13px;color:var(--text-dim)}

.detail-grid{display:flex;flex-direction:column}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--text-dim);font-weight:600;min-width:120px}

.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}
.checkbox-label input[type="checkbox"]{width:16px;height:16px;accent-color:var(--accent)}

.alert{padding:10px 14px;border-radius:8px;font-size:12px;font-weight:600;margin-bottom:12px}
.alert-danger{background:var(--danger-glow);color:var(--danger);border:1px solid rgba(239,68,68,.3)}
.alert-success{background:var(--success-glow);color:var(--success);border:1px solid rgba(16,185,129,.3)}
.alert-warning{background:var(--warning-glow);color:var(--warning);border:1px solid rgba(245,158,11,.3)}
.alert-info{background:var(--accent-glow);color:var(--accent);border:1px solid rgba(59,130,246,.3)}

.flash-container{margin-bottom:20px}
.flash{padding:12px 16px;border-radius:8px;font-size:13px;display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.flash-success{background:var(--success-glow);color:var(--success);border:1px solid rgba(16,185,129,.3)}
.flash-error{background:var(--danger-glow);color:var(--danger);border:1px solid rgba(239,68,68,.3)}
.flash-warning{background:var(--warning-glow);color:var(--warning)}
.flash-close{background:none;border:none;color:inherit;font-size:18px;cursor:pointer;opacity:.7}

.prose{font-size:13px;line-height:1.7;color:var(--text-muted)}
.code-block{background:var(--surface-alt);border:1px solid var(--border);border-radius:8px;padding:16px;font-family:var(--mono);font-size:12px;line-height:1.6;overflow-x:auto;white-space:pre-wrap}
.comment-item{padding:12px 0;border-bottom:1px solid var(--border)}.comment-item:last-of-type{border-bottom:none}
.comment-header{display:flex;justify-content:space-between;margin-bottom:6px}.comment-author{font-size:13px;font-weight:600;color:var(--accent)}.comment-date{font-size:11px;color:var(--text-dim)}.comment-body{font-size:13px;line-height:1.6;color:var(--text-muted)}

.mono{font-family:var(--mono)}.text-muted{color:var(--text-muted)}.text-dim{color:var(--text-dim)}.text-sm{font-size:12px}.text-center{text-align:center}
.accent{color:var(--accent)}.danger{color:var(--danger)}.warning{color:var(--warning)}.success{color:var(--success)}

input[type="range"]{-webkit-appearance:none;width:100%;height:6px;background:var(--border);border-radius:3px;outline:none;border:none}
input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--surface)}

.collapsible-header{cursor:pointer}.collapse-arrow{transition:transform .2s}

@media(max-width:1024px){.grid-2col,.grid-3col,.form-row,.form-row-3{grid-template-columns:1fr}}
@media(max-width:768px){.sidebar{display:none}.main-content{padding:16px}.metrics-grid{grid-template-columns:repeat(2,1fr)}.page-header{flex-direction:column;gap:12px}}