:root{--bg-sidebar: #0f1117;--bg-main: #f4f6fb;--bg-card: #ffffff;--bg-card-hover: #f9fbff;--bg-input: #f4f6fb;--accent: #ff6b35;--accent-light: #fff0eb;--accent-dark: #e05a25;--primary: #1e293b;--secondary: #64748b;--muted: #94a3b8;--border: #e2e8f0;--success: #22c55e;--success-bg: #f0fdf4;--warning: #f59e0b;--warning-bg: #fffbeb;--danger: #ef4444;--danger-bg: #fef2f2;--info: #3b82f6;--info-bg: #eff6ff;--sidebar-text: #94a3b8;--sidebar-text-active: #ffffff;--sidebar-hover: rgba(255, 255, 255, .06);--sidebar-active: rgba(255, 107, 53, .15);--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .07);--shadow: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--font: "Inter", sans-serif;--text-xs: 11px;--text-sm: 13px;--text-base: 14px;--text-md: 15px;--text-lg: 17px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 30px;--tr: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-main);color:var(--primary);font-size:var(--text-base);-webkit-font-smoothing:antialiased;overflow-x:hidden}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;min-width:240px;background:var(--bg-sidebar);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;overflow-y:auto;transition:transform var(--tr)}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:22px 20px 18px;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar-logo .logo-icon{width:34px;height:34px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff;flex-shrink:0}.sidebar-logo .logo-text{display:flex;flex-direction:column}.sidebar-logo .logo-title{font-size:var(--text-md);font-weight:700;color:#fff;line-height:1.1}.sidebar-logo .logo-sub{font-size:var(--text-xs);color:var(--sidebar-text);margin-top:1px}.sidebar-section{padding:14px 12px 6px}.sidebar-section-label{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#ffffff4d;padding:0 8px;margin-bottom:6px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500;color:var(--sidebar-text);cursor:pointer;transition:all var(--tr);text-decoration:none;margin-bottom:2px}.nav-item:hover{background:var(--sidebar-hover);color:#e2e8f0}.nav-item.active{background:var(--sidebar-active);color:var(--accent);font-weight:600}.nav-item .nav-icon{opacity:.75;flex-shrink:0}.nav-item.active .nav-icon{opacity:1}.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.07)}.main-content{margin-left:240px;flex:1;min-height:100vh;display:flex;flex-direction:column}.topbar{height:62px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:50}.topbar-title{font-size:var(--text-xl);font-weight:700;color:var(--primary)}.topbar-right{display:flex;align-items:center;gap:14px}.page-body{padding:28px;flex:1}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:24px}.card-sm{padding:16px 20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:20px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-sm);transition:box-shadow var(--tr),transform var(--tr)}.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.stat-icon{width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:18px}.stat-label{font-size:var(--text-sm);color:var(--secondary);font-weight:500}.stat-value{font-size:var(--text-2xl);font-weight:700;color:var(--primary);line-height:1.1}.stat-change{font-size:var(--text-xs);font-weight:600;display:flex;align-items:center;gap:3px}.stat-change.up{color:var(--success)}.stat-change.down{color:var(--danger)}.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:var(--radius);font-size:var(--text-sm);font-weight:600;cursor:pointer;border:none;transition:all var(--tr);font-family:var(--font);text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);box-shadow:0 4px 12px #ff6b354d}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border)}.btn-outline:hover{background:var(--bg-input);border-color:var(--secondary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:var(--text-xs)}.btn-ghost{background:transparent;color:var(--secondary);padding:8px;border-radius:var(--radius-sm)}.btn-ghost:hover{background:var(--bg-input);color:var(--primary)}.table-wrapper{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-card)}table{width:100%;border-collapse:collapse}thead th{background:var(--bg-main);padding:10px 16px;text-align:left;font-size:var(--text-xs);font-weight:600;color:var(--secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);white-space:nowrap}tbody td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:var(--text-sm);color:var(--primary);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--bg-card-hover)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600;white-space:nowrap}.badge-success{background:var(--success-bg);color:#16a34a}.badge-warning{background:var(--warning-bg);color:#d97706}.badge-danger{background:var(--danger-bg);color:#dc2626}.badge-info{background:var(--info-bg);color:#2563eb}.badge-muted{background:var(--bg-input);color:var(--secondary)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:var(--text-sm);font-weight:600;color:var(--primary)}.form-input,.form-select,.form-textarea{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:var(--text-sm);font-family:var(--font);color:var(--primary);background:var(--bg-input);transition:border-color var(--tr),box-shadow var(--tr);outline:none;width:100%}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ff6b351f;background:#fff}.form-textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f111799;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .15s ease}.modal{background:var(--bg-card);border-radius:var(--radius-xl);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-lg{max-width:700px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 18px;border-bottom:1px solid var(--border)}.modal-title{font-size:var(--text-lg);font-weight:700}.modal-body{padding:24px}.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 24px;border-top:1px solid var(--border)}.progress-bar{height:6px;background:var(--border);border-radius:100px;overflow:hidden}.progress-fill{height:100%;border-radius:100px;background:linear-gradient(90deg,var(--accent),#ff9b6d);transition:width .5s ease}.tabs{display:flex;gap:2px;background:var(--bg-input);border-radius:var(--radius);padding:4px;margin-bottom:24px;overflow-x:auto;flex-wrap:nowrap}.tab-btn{padding:8px 14px;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500;color:var(--secondary);cursor:pointer;border:none;background:transparent;font-family:var(--font);transition:all var(--tr);white-space:nowrap}.tab-btn.active{background:var(--bg-card);color:var(--accent);font-weight:600;box-shadow:var(--shadow-sm)}.tab-btn:hover:not(.active){color:var(--primary)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.section-title{font-size:var(--text-lg);font-weight:700;color:var(--primary)}.section-sub{font-size:var(--text-sm);color:var(--secondary);margin-top:2px}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1117,#1a1f2e,#0f1117);padding:24px}.auth-card{background:#ffffff0a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:420px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo .icon{width:52px;height:52px;background:var(--accent);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:#fff;margin:0 auto 12px}.auth-logo h1{font-size:var(--text-xl);font-weight:800;color:#fff}.auth-logo p{font-size:var(--text-sm);color:#ffffff80;margin-top:4px}.auth-card .form-input,.auth-card .form-select{background:#ffffff12;border-color:#ffffff1f;color:#fff}.auth-card .form-input::placeholder{color:#ffffff59}.auth-card .form-input:focus{background:#ffffff1a;border-color:var(--accent)}.auth-card .form-label{color:#ffffffb3}.auth-link{text-align:center;margin-top:20px;font-size:var(--text-sm);color:#ffffff80}.auth-link a{color:var(--accent);text-decoration:none;font-weight:600;cursor:pointer}.alert{padding:12px 16px;border-radius:var(--radius);font-size:var(--text-sm);font-weight:500;margin-bottom:16px;display:flex;align-items:center;gap:8px}.alert-danger{background:var(--danger-bg);color:#b91c1c;border:1px solid #fca5a5}.alert-success{background:var(--success-bg);color:#15803d;border:1px solid #86efac}.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.chart-box{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:20px;box-shadow:var(--shadow-sm)}.chart-title{font-size:var(--text-md);font-weight:600;margin-bottom:16px;color:var(--primary)}.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}.empty-state{text-align:center;padding:60px 24px;color:var(--muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:12px;opacity:.5}.empty-state p{font-size:var(--text-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.sidebar{transform:translate(-100%);width:240px}.sidebar.open{transform:translate(0);box-shadow:0 0 0 100vw #00000080}.main-content{margin-left:0}.form-row,.chart-row{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr 1fr}.topbar{padding:0 16px}.page-body{padding:16px}}