:root{--color-primary-dark: #1e3a5f;--color-primary: #2563eb;--color-primary-medium: #3b82f6;--color-primary-light: #60a5fa;--color-primary-lightest: #dbeafe;--color-bg: #f0f4f8;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--radius: 12px;--radius-sm: 8px;--radius-full: 9999px;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--transition: all .2s ease-in-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overflow-x:hidden}body{min-height:100vh;background-color:var(--color-bg);color:var(--color-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img,svg,video,canvas{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}a:hover{text-decoration:underline}.container{width:100%;max-width:480px;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem;margin-bottom:1rem;transition:var(--transition)}.card:hover{box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.95rem;padding:.75rem 1.5rem;border-radius:var(--radius-full);border:none;cursor:pointer;background-color:var(--color-primary);color:#fff;box-shadow:0 2px 4px #2563eb33;transition:var(--transition);text-decoration:none;-webkit-user-select:none;user-select:none}.btn:hover:not(:disabled){background-color:var(--color-primary-medium);box-shadow:0 4px 12px #2563eb4d;text-decoration:none}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background-color:var(--color-primary-lightest);color:var(--color-primary-dark);box-shadow:none;border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:#c7d2fe;color:var(--color-primary-dark);box-shadow:0 2px 6px #0000000d}.btn-danger{background-color:var(--color-danger);color:#fff;box-shadow:0 2px 4px #ef444433}.btn-danger:hover:not(:disabled){background-color:#dc2626;box-shadow:0 4px 12px #ef44444d}.btn-block{width:100%}.input{width:100%;padding:.75rem 1rem;font-size:.95rem;border-radius:var(--radius-sm);border:1px solid var(--color-border);background-color:var(--color-surface);color:var(--color-text);outline:none;transition:var(--transition)}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb26}.input::placeholder{color:var(--color-text-muted);opacity:.8}.input:disabled{background-color:#f1f5f9;cursor:not-allowed;opacity:.7}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease-out forwards}.animate-slide-up{animation:slideUp .35s ease-out forwards}@media (min-width: 640px){.container{padding-left:1.5rem;padding-right:1.5rem}.card{padding:1.5rem}}