:root{--bg: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #dbeafe;--success: #059669;--warning: #d97706;--danger: #dc2626;--border: #e2e8f0;--border-strong: #cbd5e1;--sidebar-bg: #0f172a;--sidebar-text: #e2e8f0;--sidebar-accent: #3b82f6;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font);font-size:14px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg{display:block;max-width:100%}a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent-hover)}::selection{background:var(--accent-light);color:var(--accent-hover)}h1,h2,h3,h4{color:var(--text);line-height:1.25;font-weight:600}h1{font-size:1.875rem;letter-spacing:-.025em}h2{font-size:1.5rem;letter-spacing:-.02em}h3{font-size:1.25rem}h4{font-size:1.075rem}p{color:var(--text-secondary);margin-bottom:1rem}small{font-size:.8125rem;color:var(--text-muted)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:1rem}.form-group label{font-size:.8125rem;font-weight:500;color:var(--text-secondary)}.input,.select{width:100%;padding:10px 14px;font-size:.875rem;font-family:var(--font);color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.input::placeholder{color:var(--text-muted)}.input:focus,.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.input:disabled,.select:disabled{background:var(--bg-secondary);color:var(--text-muted);cursor:not-allowed}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.checkbox,.radio{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox input,.radio input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.form-error{font-size:.75rem;color:var(--danger);margin-top:4px}textarea.input{min-height:100px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.875rem;font-weight:500;font-family:var(--font);line-height:1;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:all var(--transition);-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{background:#1e40af}.btn-secondary{background:var(--bg);color:var(--text-secondary);border-color:var(--border)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--border-strong);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-secondary);color:var(--text)}.btn-sm{padding:6px 14px;font-size:.8125rem;border-radius:6px}.btn-lg{padding:14px 28px;font-size:1rem;border-radius:var(--radius-lg)}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius)}.btn-icon.btn-sm{width:28px;height:28px}.btn-icon.btn-lg{width:44px;height:44px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.card-header h3,.card-header h4{margin:0}.card-body{padding:20px}.card-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid var(--border);background:var(--bg-secondary)}.stat-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:4px}.stat-label{font-size:.8125rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.stat-value{font-size:1.875rem;font-weight:700;color:var(--text);letter-spacing:-.025em;line-height:1.2}.stat-change{display:inline-flex;align-items:center;gap:4px;font-size:.8125rem;font-weight:500;margin-top:4px}.stat-change.up{color:var(--success)}.stat-change.down{color:var(--danger)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;min-width:260px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;height:100vh;position:sticky;top:0;overflow-y:auto;z-index:40}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand-logo{width:32px;height:32px;border-radius:var(--radius);background:var(--sidebar-accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem;color:#fff;flex-shrink:0}.sidebar-brand-name{font-size:1rem;font-weight:600;color:#fff;white-space:nowrap}.sidebar-brand-mark{width:40px;height:40px;min-width:40px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#1e3a5f,#0f172a);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9375rem;letter-spacing:-.02em;flex-shrink:0}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:2px}.sidebar-section-title{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#ffffff59;padding:16px 12px 6px}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;font-size:.875rem;color:var(--sidebar-text);border-radius:var(--radius);transition:all var(--transition);text-decoration:none}.sidebar-nav a:hover{background:#ffffff0f;color:#fff}.sidebar-nav a.active{background:var(--sidebar-accent);color:#fff;font-weight:500}.sidebar-nav a svg,.sidebar-nav a .nav-icon{width:18px;height:18px;flex-shrink:0;opacity:.7}.sidebar-nav a.active svg,.sidebar-nav a.active .nav-icon{opacity:1}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-footer .sidebar-user{display:flex;align-items:center;gap:10px;overflow:visible}.sidebar-footer .sidebar-user-avatar{width:36px;height:36px;min-width:36px;border-radius:50%;background:var(--sidebar-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:600;flex-shrink:0}.sidebar-footer .sidebar-user-info{display:flex;flex-direction:column;min-width:0;overflow:visible}.sidebar-footer .sidebar-user-name{font-size:.875rem;font-weight:500;color:#fff;white-space:normal;overflow:visible;text-overflow:unset;line-height:1.3}.sidebar-footer .sidebar-user-role{font-size:.75rem;color:#ffffff73;line-height:1.3}.main-content{flex:1;min-width:0;overflow-y:auto;padding:32px;background:var(--bg-secondary)}.main-content>*{max-width:1200px;margin-left:auto;margin-right:auto}.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.page-header h1{margin:0}.page-header-actions{display:flex;align-items:center;gap:8px}.grid{display:grid;gap:20px}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.charts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.chart-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px;overflow:hidden}.chart-card .chart-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.chart-card .chart-card-header h4{margin:0}.table-wrapper{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg)}.table{width:100%;border-collapse:collapse;font-size:.875rem}.table thead th{text-align:left;padding:12px 20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);background:var(--bg-secondary);border-bottom:1px solid var(--border);white-space:nowrap}.table tbody td{padding:14px 20px;border-bottom:1px solid var(--border);color:var(--text-secondary);vertical-align:middle}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:nth-child(2n){background:var(--bg-secondary)}.table tbody tr:hover{background:var(--accent-light)}.table tbody td:first-child{color:var(--text);font-weight:500}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:500;line-height:1.4;border-radius:9999px;white-space:nowrap;background:var(--bg-tertiary);color:var(--text-secondary)}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:var(--accent-light);color:#1e40af}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-secondary);padding:24px}.auth-card{width:100%;max-width:420px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:40px}.auth-brand{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:32px;text-align:center}.auth-brand-mark{width:48px;height:48px;border-radius:var(--radius-lg);background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.125rem}.auth-brand .auth-mark{width:56px;height:56px;min-width:56px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#2563eb,#1d4ed8);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:-.02em;line-height:1;flex-shrink:0}.auth-brand-title{font-size:1.375rem;font-weight:700;color:var(--text)}.auth-brand-subtitle{font-size:.875rem;color:var(--text-muted)}.auth-card .form-group{margin-bottom:16px}.auth-card .btn-primary{width:100%;margin-top:8px}.auth-footer{text-align:center;margin-top:24px;font-size:.8125rem;color:var(--text-muted)}.auth-footer a{font-weight:500}.auth-divider{display:flex;align-items:center;gap:12px;margin:24px 0;font-size:.75rem;color:var(--text-muted)}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.chart-container{position:relative;width:100%;aspect-ratio:16 / 9;background:var(--bg);border-radius:var(--radius)}.chart-container canvas{width:100%!important;height:100%!important}.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.chart-legend{display:flex;align-items:center;gap:16px;font-size:.8125rem;color:var(--text-secondary)}.chart-legend-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}.alert{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;font-size:.875rem;border-radius:var(--radius);border-left:4px solid var(--border-strong);background:var(--bg-secondary);color:var(--text-secondary);margin-bottom:16px}.alert-icon{flex-shrink:0;width:18px;height:18px;margin-top:1px}.alert-content{flex:1;min-width:0}.alert-title{font-weight:600;color:var(--text);margin-bottom:2px}.alert-info{border-left-color:var(--accent);background:#eff6ff;color:#1e40af}.alert-success{border-left-color:var(--success);background:#ecfdf5;color:#065f46}.alert-warning{border-left-color:var(--warning);background:#fffbeb;color:#92400e}.alert-danger{border-left-color:var(--danger);background:#fef2f2;color:#991b1b}.alert-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;font-size:.875rem;border-radius:var(--radius);border-left:4px solid var(--border-strong);background:var(--bg);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:8px;transition:box-shadow var(--transition)}.alert-item:hover{box-shadow:var(--shadow-md)}.alert-item.critical{border-left-color:var(--danger)}.alert-item.warning{border-left-color:var(--warning)}.alert-item.info{border-left-color:var(--accent)}.alert-badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;border-radius:9999px;white-space:nowrap;line-height:1.5}.alert-badge.critical{background:#fee2e2;color:#991b1b}.alert-badge.warning{background:#fef3c7;color:#92400e}.alert-badge.info{background:var(--accent-light);color:#1e40af}.toast-container{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:.875rem;min-width:280px;animation:slideInRight .2s ease forwards}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;text-align:center}.empty-state-icon{width:56px;height:56px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--text-muted)}.empty-state-icon svg{width:24px;height:24px}.empty-state-title{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}.empty-state-text{font-size:.875rem;color:var(--text-muted);max-width:360px;margin-bottom:20px}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.spinner-sm{width:16px;height:16px;border-width:2px}.spinner-lg{width:36px;height:36px;border-width:4px}.spinner-center{display:flex;align-items:center;justify-content:center;padding:48px}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:var(--bg-tertiary);border-radius:var(--radius);position:relative;overflow:hidden}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.5) 50%,transparent 100%);animation:shimmer 1.5s ease infinite}.skeleton-text{height:14px;margin-bottom:8px;width:100%}.skeleton-text.short{width:60%}.skeleton-heading{height:22px;width:40%;margin-bottom:16px}.skeleton-avatar{width:40px;height:40px;border-radius:50%}.skeleton-card{height:180px}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.messages-layout{display:grid;grid-template-columns:360px 1fr;gap:0;height:calc(100vh - 64px);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.message-list{border-right:1px solid var(--border);overflow-y:auto;background:var(--bg)}.message-list-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition)}.message-list-item:hover{background:var(--bg-secondary)}.message-list-item.active{background:var(--accent-light)}.message-list-item.unread{font-weight:600}.message-detail{padding:24px;overflow-y:auto;background:var(--bg)}.message-detail-header{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.message-detail-body{font-size:.875rem;color:var(--text-secondary);line-height:1.7}.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.filter-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;font-size:.8125rem;font-weight:500;font-family:var(--font);color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);border-radius:9999px;cursor:pointer;transition:all var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none}.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.filter-btn.active:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.settings-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px;margin-bottom:24px}.settings-section-header{margin-bottom:20px}.settings-section-header h3{margin:0 0 4px}.settings-section-header p{margin:0;font-size:.875rem;color:var(--text-muted)}.notification-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.notification-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius)}.notification-item-label{display:flex;flex-direction:column;gap:2px;min-width:0}.notification-item-label span{font-size:.875rem;font-weight:500;color:var(--text)}.notification-item-label small{font-size:.75rem;color:var(--text-muted)}.toggle{position:relative;width:44px;height:24px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--border-strong);border-radius:9999px;transition:background var(--transition)}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:transform var(--transition)}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translate(20px)}@media(max-width:1024px){.sidebar{width:72px;min-width:72px}.sidebar-brand-name,.sidebar-section-title,.sidebar-nav a span{display:none}.sidebar-brand{justify-content:center;padding:16px}.sidebar-nav a{justify-content:center;padding:10px}.sidebar-footer{display:flex;justify-content:center}.sidebar-footer .sidebar-user-info{display:none}.main-content{padding:24px}.grid-cols-4{grid-template-columns:repeat(2,1fr)}.charts-grid{grid-template-columns:1fr}.messages-layout{grid-template-columns:280px 1fr}}@media(max-width:768px){.app-layout{flex-direction:column}.sidebar{width:100%;min-width:100%;height:auto;position:relative;flex-direction:row;overflow-x:auto}.sidebar-brand,.sidebar-section-title{display:none}.sidebar-nav{flex-direction:row;padding:8px 12px;gap:4px}.sidebar-nav a{padding:8px 14px;white-space:nowrap;font-size:.8125rem}.sidebar-nav a span{display:inline}.sidebar-footer{display:none}.main-content{padding:16px;min-height:calc(100vh - 52px)}.page-header{flex-direction:column;align-items:flex-start;gap:12px}.page-header h1{font-size:1.5rem}.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}.auth-card{padding:24px}.table-wrapper{border-radius:var(--radius)}.charts-grid{grid-template-columns:1fr}.messages-layout{grid-template-columns:1fr;height:auto}.message-list{border-right:none;border-bottom:1px solid var(--border);max-height:40vh}.notification-grid{grid-template-columns:1fr}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.fade-in{animation:fadeIn .3s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-muted{color:var(--text-muted)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-center{text-align:center}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:8px}.gap-md{gap:16px}.gap-lg{gap:24px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:50;animation:fadeIn .15s ease}.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;max-width:520px;max-height:90vh;background:var(--bg);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);z-index:51;overflow:hidden;animation:scaleIn .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-header h3{margin:0}.modal-body{padding:24px;overflow-y:auto;max-height:60vh}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-secondary)}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:calc(100% + 4px);right:0;min-width:180px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:4px;z-index:30;animation:scaleIn .12s ease}.dropdown-item{display:flex;align-items:center;gap:8px;padding:8px 12px;font-size:.875rem;color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:background var(--transition)}.dropdown-item:hover{background:var(--bg-secondary);color:var(--text)}.dropdown-divider{height:1px;background:var(--border);margin:4px 0}.tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:20px}.tab{padding:10px 16px;font-size:.875rem;font-weight:500;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all var(--transition);font-family:var(--font)}.tab:hover{color:var(--text-secondary)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);padding:6px 10px;font-size:.75rem;font-weight:500;color:#fff;background:var(--sidebar-bg);border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--transition);z-index:20}[data-tooltip]:hover:after{opacity:1}.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:600;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:24px;height:24px;font-size:.6875rem}.avatar-lg{width:44px;height:44px;font-size:1rem}.divider{width:100%;height:1px;background:var(--border);margin:16px 0}@media print{.sidebar,.toast-container{display:none!important}.main-content{padding:0;background:#fff}.card{box-shadow:none;border:1px solid #d1d5db}}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.stats-grid{grid-template-columns:1fr}}.charts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:24px}@media(max-width:1024px){.charts-grid{grid-template-columns:1fr}}.chart-card .card-header h3{font-size:1rem;margin:0}.filter-group{display:flex;gap:4px;flex-wrap:wrap}.filter-btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 16px;font-size:.8125rem;font-weight:500;font-family:var(--font);color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);white-space:nowrap}.filter-btn:hover{background:var(--bg-secondary);border-color:var(--border-strong);color:var(--text)}.filter-btn--active{background:var(--accent);color:#fff;border-color:var(--accent)}.filter-btn--active:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.progress-track{width:100%;height:6px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .3s ease}.row--selected{background:var(--accent-light)!important}.expanded-row td{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:0!important}.expanded-detail{padding:16px 20px}.expanded-detail h4{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:6px}.expanded-detail p{font-size:.8125rem;color:var(--text-secondary);margin:0;line-height:1.6}.expanded-section{margin-bottom:8px}.messages-layout{display:grid;grid-template-columns:380px 1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg);overflow:hidden;min-height:560px}@media(max-width:900px){.messages-layout{grid-template-columns:1fr}}.message-list{border-right:1px solid var(--border);overflow-y:auto;max-height:640px}.message-item{padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition)}.message-item:hover{background:var(--bg-secondary)}.message-item--active{background:var(--accent-light)!important}.message-item--unread{background:#fafbff}.message-item-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.message-item-left{display:flex;align-items:center;gap:8px}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}.message-from{font-weight:600;font-size:.8125rem;color:var(--text)}.message-time{font-size:.6875rem;color:var(--text-muted);white-space:nowrap}.message-subject{font-size:.8125rem;font-weight:500;color:var(--text);margin:0 0 4px;line-height:1.4}.message-preview{font-size:.75rem;color:var(--text-muted);margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.message-detail{display:flex;flex-direction:column;overflow-y:auto}.message-detail-header{padding:20px 24px;border-bottom:1px solid var(--border)}.message-detail-header h2{font-size:1.125rem;margin:0 0 8px}.message-detail-meta{display:flex;align-items:center;gap:16px;font-size:.8125rem;color:var(--text-secondary);flex-wrap:wrap}.message-detail-body{flex:1;padding:20px 24px;font-size:.875rem;color:var(--text-secondary);line-height:1.7}.message-reply{padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-secondary)}.message-detail-empty{display:flex;align-items:center;justify-content:center;flex:1;min-height:300px}.settings-layout{display:flex;flex-direction:column;gap:24px}.card--danger{border-color:#fca5a5}.notification-grid{display:flex;flex-direction:column;gap:12px}.notification-card{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);gap:16px}.notification-info{display:flex;flex-direction:column;gap:2px}.notification-label{font-size:.875rem;font-weight:500;color:var(--text)}.notification-desc{font-size:.75rem;color:var(--text-muted)}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0;cursor:pointer}.toggle-switch input{opacity:0;width:0;height:0;position:absolute}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border-strong);border-radius:12px;transition:background .2s ease}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:transform .2s ease;box-shadow:0 1px 3px #00000026}.toggle-switch input:checked+.toggle-slider{background:var(--accent)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.funnel-analysis,.funnel-step{display:flex;flex-direction:column;gap:4px}.funnel-step-label{display:flex;align-items:center;justify-content:space-between;font-size:.8125rem}.funnel-step-name{font-weight:500;color:var(--text)}.funnel-step-value{font-weight:600;color:var(--text-secondary);font-size:.8125rem}.funnel-bar-track{width:100%;height:28px;background:var(--bg-tertiary);border-radius:6px;overflow:hidden}.funnel-bar-fill{height:100%;border-radius:6px;transition:width .4s ease;min-width:4px}.funnel-conversion-rate{text-align:center;font-size:.6875rem;font-weight:600;color:var(--text-muted);padding:2px 0 6px;position:relative}.funnel-conversion-rate:before{content:"↓";margin-right:4px}.auth-mark{width:56px;height:56px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent) 0%,#7c3aed 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.375rem;letter-spacing:-.02em;box-shadow:0 4px 12px #2563eb4d}.auth-title{font-size:1.375rem;font-weight:700;color:var(--text);margin:0}.auth-subtitle{font-size:.875rem;color:var(--text-muted);margin:0}.auth-error{padding:10px 14px;font-size:.8125rem;background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:var(--radius);margin-bottom:16px}.auth-submit{width:100%;margin-top:8px;padding:12px 20px}.form-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:.8125rem}