:root{--primary: #0f172a;--primary-light: #1e293b;--primary-dark: #020617;--primary-darker: #020617;--primary-900: #0f172a;--primary-50: #f8fafc;--primary-100: #f1f5f9;--primary-200: #e2e8f0;--white: #ffffff;--bg: #ffffff;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--info: #3b82f6;--info-light: #eff6ff;--success: #22c55e;--success-light: #f0fdf4;--sidebar-width: 220px;--header-height: 64px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius-xs: 4px;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--radius-full: 9999px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition: .15s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--gray-800);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:var(--font)}input,select,textarea{font-family:var(--font)}ul,ol{list-style:none}img{max-width:100%}h1{font-size:1.875rem;font-weight:700;line-height:1.2}h2{font-size:1.5rem;font-weight:700;line-height:1.3}h3{font-size:1.25rem;font-weight:600;line-height:1.4}h4{font-size:1.125rem;font-weight:600}h5{font-size:1rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:8px;padding:0 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var(--primary)}.btn-outline-primary:hover{background:var(--primary-50)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.875rem;font-weight:500;color:var(--gray-700)}.form-label span{color:var(--danger)}.form-control{width:100%;height:44px;padding:0 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius);font-size:.9375rem;color:var(--gray-800);background:var(--white);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #22c55e26}.form-control::placeholder{color:var(--gray-400)}.form-control.error{border-color:var(--danger)}.form-control.error:focus{box-shadow:0 0 0 3px #ef444426}textarea.form-control{height:auto;padding:12px 14px;resize:vertical}select.form-control{cursor:pointer}select.form-control option:disabled{color:var(--gray-400);font-style:italic}select.form-control 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24px;text-align:center}.empty-icon{width:80px;height:80px;background:var(--primary-50);border-radius:var(--radius-2xl);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--primary)}.empty-title{font-size:1.125rem;font-weight:600;color:var(--gray-700);margin-bottom:8px}.empty-desc{font-size:.875rem;color:var(--gray-500);max-width:360px}.empty-action{margin-top:24px}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px;backdrop-filter:blur(4px);animation:fadeIn .2s ease}.modal{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;animation:slideUp .25s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 28px 20px;border-bottom:1px solid var(--gray-100)}.modal-title{font-size:1.125rem;font-weight:600}.modal-body{padding:24px 28px;display:flex;flex-direction:column;gap:20px}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:20px 28px 24px;border-top:1px solid var(--gray-100)}.alert{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:var(--radius);font-size:.875rem}.alert-danger{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca}.alert-success{background:var(--success-light);color:#166534;border:1px solid #bbf7d0}.alert-warning{background:var(--warning-light);color:#92400e;border:1px solid #fde68a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}.fade-in{animation:fadeIn .3s ease}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.skeleton{background:linear-gradient(90deg,var(--gray-100) 25%,var(--gray-200) 50%,var(--gray-100) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-xs)}.skeleton-text{height:16px;border-radius:var(--radius-xs)}.skeleton-heading{height:28px;border-radius:var(--radius-xs)}.skeleton-avatar{width:34px;height:34px;border-radius:50%;flex-shrink:0}.skeleton-circle{width:48px;height:48px;border-radius:var(--radius)}.skeleton-badge{width:70px;height:22px;border-radius:var(--radius-full)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-muted{color:var(--gray-500)}.text-primary{color:var(--primary-dark)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.w-full{width:100%}.mt-1{margin-top:4px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mono{font-family:SFMono-Regular,Consolas,monospace;font-size:.875rem}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}@media (max-width: 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coarse){.nav-item,.btn,.form-control,.user-menu-item{min-height:44px}.nav-icon,.btn-icon{width:44px;height:44px}}