:root{--primary: #3b82f6;--primary-dark: #2563eb;--primary-light: #eff6ff;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--bg-primary: #f1f5f9;--bg-secondary: #f9fafb;--bg-white: #ffffff;--border-color: #e5e7eb;--sidebar-bg: #0f172a;--radius-sm: 6px;--radius-md: 10px;--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, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;color:var(--text-primary);background:var(--bg-primary);line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s ease;text-decoration:none;line-height:1.4;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);border-color:var(--primary-dark)}.btn-secondary{background:#fff;color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-danger-outline{background:#fff;color:var(--danger);border-color:var(--danger)}.btn-danger-outline:hover:not(:disabled){background:#fef2f2}.btn-sm{padding:.375rem .875rem;font-size:.8rem}.btn-lg{padding:.75rem 1.5rem;font-size:.95rem}input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=search],select,textarea{font-family:inherit;color:var(--text-primary)}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.text-primary{color:var(--text-primary)!important}.text-secondary{color:var(--text-secondary)!important}.text-danger{color:var(--danger)!important}.text-success{color:var(--success)!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}