:root{--color-primary: #2563EB;--color-primary-dark: #1D4ED8;--color-primary-light: #DBEAFE;--color-secondary: #14B8A6;--color-secondary-light: #CCFBF1;--color-background: #F8FAFC;--color-surface: #FFFFFF;--color-text-primary: #111827;--color-text-secondary: #6B7280;--color-text-disabled: #9CA3AF;--color-border: #E5E7EB;--color-error: #EF4444;--color-error-bg: #FEE2E2;--color-success: #22C55E;--color-success-bg: #DCFCE7;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-pill: 999px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-xxl: 64px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--max-width: 1120px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-background);color:var(--color-text-primary);font-family:var(--font-family);line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.2;margin:0 0 var(--space-sm);font-weight:700}p{margin:0 0 var(--space-md);color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 24px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;cursor:pointer;border:none;transition:opacity .15s ease,transform .1s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-border)}.btn-outline:hover:not(:disabled){border-color:var(--color-primary)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg)}.field{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom:var(--space-md)}.field label{font-size:13px;font-weight:600;color:var(--color-text-secondary)}.field input,.field textarea,.field select{font-family:var(--font-family);font-size:15px;padding:12px 14px;border-radius:var(--radius-md);border:1.5px solid var(--color-border);background:var(--color-surface);color:var(--color-text-primary);outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--color-primary)}.field .error-text{font-size:12px;color:var(--color-error)}.field .field-hint{font-size:12px;color:var(--color-text-secondary)}.alert{padding:var(--space-md);border-radius:var(--radius-md);font-size:14px;margin-bottom:var(--space-md)}.alert-error{background:var(--color-error-bg);color:#991b1b}.alert-success{background:var(--color-success-bg);color:#166534}.section{padding:var(--space-xxl) 0}.section-title{font-size:32px;text-align:center;margin-bottom:var(--space-sm)}.section-subtitle{text-align:center;color:var(--color-text-secondary);max-width:560px;margin:0 auto var(--space-xl)}