:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#334155;--accent:#6366f1;--accent-hover:#818cf8;--accent-bg:rgba(99,102,241,.1);--success:#22c55e;--success-bg:rgba(34,197,94,.1);--warning:#f59e0b;--warning-bg:rgba(245,158,11,.1);--danger:#ef4444;--danger-bg:rgba(239,68,68,.1);--info:#3b82f6;--info-bg:rgba(59,130,246,.1);--sidebar-width:260px;--header-height:56px;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px rgba(0,0,0,.3);--shadow-lg:0 4px 12px rgba(0,0,0,.4);--font:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--transition:0.2s 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hsla(0,0%,100%,.3);border-radius:50%;border-top-color:#fff;display:inline-block;height:16px;width:16px}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.admin-layout{min-height:100vh}.admin-main{margin-left:var(--sidebar-width);min-height:100vh;overflow-x:hidden}.admin-main,.admin-sidebar{display:flex;flex-direction:column}.admin-sidebar{background:var(--bg-secondary);border-right:1px solid var(--border-color);bottom:0;left:0;overflow-y:auto;position:fixed;top:0;width:var(--sidebar-width);z-index:100}.sidebar-header{border-bottom:1px solid var(--border-color);justify-content:space-between;padding:16px 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32px}.login-logo{gap:10px;margin-bottom:32px}.login-logo,.login-logo-icon{align-items:center;display:flex;justify-content:center}.login-logo-icon{background:var(--accent);border-radius:var(--radius);color:#fff;font-size:13px;font-weight:700;height:40px;letter-spacing:.03em;width:40px}.login-logo-text{color:var(--text-primary);font-size:20px;font-weight:600}.login-form{display:flex;flex-direction:column}.login-error{background:var(--danger-bg);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius);color:var(--danger);font-size:13px;margin-bottom:16px;padding:10px 14px}.placeholder-page{align-items:center;display:flex;flex-direction:column;gap:12px;justify-content:center;min-height:400px;text-align:center}.placeholder-icon{color:var(--text-muted);margin-bottom:8px;opacity:.5}.placeholder-page h2{color:var(--text-primary);font-size:22px;font-weight:600}.placeholder-page 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toastOut{0%{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(20px)}}.modal-overlay{background:rgba(0,0,0,.6);padding:20px}.modal{max-height:90vh;max-width:560px;overflow-y:auto}.sortable{cursor:pointer;user-select:none;white-space:nowrap}.sortable:hover{color:var(--text-primary)}.sort-arrow{font-size:11px;margin-left:4px;opacity:.5}.sort-arrow.active{color:var(--accent);opacity:1}.badge{align-items:center;border-radius:4px;display:inline-flex;font-size:11px;font-weight:600;letter-spacing:.02em;padding:2px 8px}.badge--accent{background:var(--accent-bg);color:var(--accent-hover)}.badge--success{background:var(--success-bg);color:var(--success)}.badge--warning{background:var(--warning-bg);color:var(--warning)}.badge--danger{background:var(--danger-bg);color:var(--danger)}.badge--info{background:var(--info-bg);color:var(--info)}.badge--muted{background:rgba(100,116,139,.15);color:var(--text-muted)}.confirm-block{align-items:center;background:var(--danger-bg);border:1px 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solid var(--border-color);border-radius:var(--radius);color:var(--text-secondary);font-family:SF Mono,Fira Code,monospace;font-size:12px;line-height:1.6;max-height:500px;overflow-y:auto;padding:16px;white-space:pre-wrap;word-break:break-all}.log-line--error{color:var(--danger)}.log-line--warning{color:var(--warning)}.table-actions{align-items:center;display:flex;gap:4px}.btn-icon{align-items:center;background:none;border:1px solid transparent;border-radius:var(--radius);color:var(--text-muted);cursor:pointer;display:inline-flex;height:30px;justify-content:center;transition:all var(--transition);width:30px}.btn-icon:hover{background:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}.btn-icon--danger:hover{background:var(--danger-bg,rgba(239,68,68,.1));color:var(--danger)}.btn-icon--sm{height:24px;width:24px}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);display:block;font-size:13px;font-weight:500;margin-bottom:6px}.btn--danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn--danger:hover{opacity:.9}.btn--danger-outline{background:transparent;border-color:var(--danger);color:var(--danger)}.btn--danger-outline:hover{background:var(--danger);color:#fff}.btn--sm{font-size:13px;padding:6px 12px}.stat-cards--5{grid-template-columns:repeat(5,1fr)}.system-logs-section{margin-top:24px}.system-logs-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:12px}.system-logs-header h3{font-size:16px;font-weight:600}.system-logs-actions{align-items:center;display:flex;gap:12px}.toggle-label{align-items:center;color:var(--text-secondary);cursor:pointer;display:flex;font-size:13px;gap:6px}.toggle-label input[type=checkbox]{accent-color:var(--accent)}.tabs{border-bottom:2px solid var(--border-color);display:flex;gap:0}.tab{background:none;border:none;border-bottom:2px solid transparent;border-radius:6px 6px 0 0;color:var(--text-secondary);cursor:pointer;font-size:14px;font-weight:500;margin-bottom:-2px;padding:10px 20px;transition:all var(--transition)}.tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.tab.active{background:var(--accent-bg);border-bottom-color:var(--accent);color:var(--accent);font-weight:600}.tab-content{padding-top:20px}.link{color:var(--accent);text-decoration:none}.link:hover{color:var(--accent-hover);text-decoration:underline}.chart-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:24px;padding:20px}.chart-title{color:var(--text-muted);font-size:14px;margin-bottom:16px}.chart-svg{display:block}.chart-empty,.chart-loading{color:var(--text-muted);font-size:14px;padding:60px 20px;text-align:center}.period-selector{border:1px solid var(--border-color);border-radius:var(--radius);display:flex;gap:0;margin-bottom:20px;overflow:hidden;width:fit-content}.period-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-size:13px;padding:8px 16px;transition:all var(--transition)}.period-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.period-btn.active{background:var(--accent);color:#fff}.progress-bar{background:var(--bg-tertiary);border-radius:4px;height:8px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:4px;height:100%;transition:width 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