:root{--bg-base: #0f172a;--bg-surface: #1e293b;--bg-surface-hover: #334155;--bg-card: rgba(30, 41, 59, .7);--border-subtle: #334155;--border-focus: #3b82f6;--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--accent-primary: #3b82f6;--accent-primary-hover: #2563eb;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--accent-purple: #8b5cf6;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--sidebar-width: 260px;--header-height: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;color:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.app-container{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background-color:var(--bg-surface);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40}.sidebar-header{height:var(--header-height);padding:0 1.25rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid var(--border-subtle)}.sidebar-logo{font-size:1.2rem;font-weight:700;color:#fff;letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem}.sidebar-logo span{color:var(--accent-primary)}.sidebar-nav{padding:1.25rem .75rem;display:flex;flex-direction:column;gap:.25rem;flex:1}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.65rem .85rem;border-radius:var(--radius-sm);color:var(--text-muted);font-size:.9rem;font-weight:500;transition:all .15s ease;text-decoration:none}.nav-item:hover{background-color:var(--bg-surface-hover);color:var(--text-main)}.nav-item.active{background-color:#3b82f626;color:var(--accent-primary);font-weight:600}.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid var(--border-subtle);font-size:.8rem;color:var(--text-dim)}.main-wrapper{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-width:0}.header{height:var(--header-height);background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle);padding:0 2rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30}.header-title-container{display:flex;align-items:center;gap:1rem}.header-status-badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .65rem;border-radius:9999px;font-size:.75rem;font-weight:600;letter-spacing:.02em}.status-online{background:#10b98126;color:var(--accent-success);border:1px solid rgba(16,185,129,.3)}.status-offline{background:#ef444426;color:var(--accent-danger);border:1px solid rgba(239,68,68,.3)}.status-checking{background:#f59e0b26;color:var(--accent-warning);border:1px solid rgba(245,158,11,.3)}.content-container{padding:2rem;max-width:1400px;width:100%;margin:0 auto}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.card-title{font-size:1.1rem;font-weight:600;margin-bottom:.25rem}.card-subtitle{font-size:.85rem;color:var(--text-muted);margin-bottom:1.25rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2rem}.stat-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem;display:flex;align-items:center;gap:1rem}.stat-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:#3b82f626;color:var(--accent-primary)}.stat-value{font-size:1.5rem;font-weight:700;line-height:1.2}.stat-label{font-size:.8rem;color:var(--text-muted)}.control-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end;margin-bottom:1.5rem}.input-group{display:flex;flex-direction:column;gap:.35rem}.input-label{font-size:.8rem;font-weight:500;color:var(--text-muted)}.form-select,.form-input{background-color:var(--bg-base);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.55rem .85rem;font-size:.9rem;min-width:160px;color:var(--text-main);outline:none;transition:border-color .15s ease}.form-select:focus,.form-input:focus{border-color:var(--border-focus)}.btn-primary{background-color:var(--accent-primary);color:#fff;font-weight:600;padding:.6rem 1.25rem;border-radius:var(--radius-sm);font-size:.9rem;display:inline-flex;align-items:center;gap:.5rem;transition:background-color .15s ease}.btn-primary:hover{background-color:var(--accent-primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-flex;align-items:center;padding:.2rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600;letter-spacing:.02em}.badge-blue{background:#3b82f633;color:#60a5fa;border:1px solid rgba(59,130,246,.4)}.badge-purple{background:#8b5cf633;color:#a78bfa;border:1px solid rgba(139,92,246,.4)}.badge-green{background:#10b98133;color:#34d399;border:1px solid rgba(16,185,129,.4)}.rec-list{display:flex;flex-direction:column;gap:1rem}.rec-item{background:#0f172a99;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem;display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem}.rec-rank{font-size:1.25rem;font-weight:700;color:var(--accent-primary);min-width:2rem}.rec-details{flex:1}.rec-title{font-size:1rem;font-weight:600;margin-bottom:.25rem}.rec-meta{font-size:.8rem;color:var(--text-muted);display:flex;gap:.75rem;margin-bottom:.5rem}.rec-score-box{text-align:right;min-width:100px}.rec-score-value{font-size:1.25rem;font-weight:700;color:#fff;font-family:var(--font-mono)}.rec-score-label{font-size:.75rem;color:var(--text-dim)}.alert{padding:1rem;border-radius:var(--radius-sm);margin-bottom:1.25rem;font-size:.9rem}.alert-danger{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-info{background:#3b82f626;border:1px solid rgba(59,130,246,.3);color:#93c5fd}@media (max-width: 900px){.sidebar{width:72px}.sidebar-logo span,.nav-item span,.sidebar-footer{display:none}.main-wrapper{margin-left:72px}.rec-item{flex-direction:column}.rec-score-box{text-align:left}}