:root{--color-primary: #4f46e5;--color-primary-dark: #3730a3;--color-primary-soft: #eef2ff;--color-background: #f5f3ff;--color-surface: #ffffff;--color-text: #1e1b4b;--color-text-secondary: #4c4a6b;--color-border: #ddd8f5;--color-danger: #b42318;--color-danger-soft: #fef3f2;--color-success: #067647;--color-success-soft: #ecfdf3;--color-focus: #6366f1;--shadow-card: 0 8px 30px rgb(30 27 75 / 8%);--radius-card: 20px;--radius-control: 12px;--font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--page-width: 440px;--page-width-wide: 720px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--color-primary: #818cf8;--color-primary-dark: #a5b4fc;--color-primary-soft: #26254a;--color-background: #12112a;--color-surface: #1c1b3a;--color-text: #eef0ff;--color-text-secondary: #b6b4d6;--color-border: #34325e;--color-danger: #f97066;--color-danger-soft: #3a1a1a;--color-success: #47cd89;--color-success-soft: #123326;--shadow-card: 0 8px 30px rgb(0 0 0 / 35%);color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--color-background);color:var(--color-text);font-family:var(--font-family);font-size:16px;line-height:1.5}h1,h2,h3,p{margin:0}button,input,select{font:inherit}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px}.page{display:flex;flex-direction:column;gap:20px;width:100%;max-width:calc(var(--page-width) + 32px);margin:0 auto;padding:32px 16px 48px}.page--wide{max-width:calc(var(--page-width-wide) + 32px)}.card{display:flex;flex-direction:column;gap:16px;padding:28px 24px;border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-card)}.title{font-size:1.6rem;font-weight:700;line-height:1.25}.section-title{font-size:1.15rem;font-weight:700}.subtitle{color:var(--color-text-secondary)}.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;flex-wrap:wrap;gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field__label{font-weight:600}.field__input{width:100%;min-height:48px;padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-text)}.field__input[aria-invalid=true]{border-color:var(--color-danger)}.field__hint{color:var(--color-text-secondary);font-size:.9rem}.checkbox{display:flex;gap:10px;align-items:flex-start}.checkbox input{width:20px;height:20px;margin-top:2px;accent-color:var(--color-primary)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius-control);background:var(--color-primary);color:#fff;font-weight:600;text-decoration:none;cursor:pointer}.button:hover:not(:disabled){background:var(--color-primary-dark)}.button:disabled{opacity:.6;cursor:progress}.button--secondary{border-color:var(--color-border);background:transparent;color:var(--color-primary)}.button--secondary:hover:not(:disabled){background:var(--color-primary-soft)}.button--danger{background:var(--color-danger)}.button--danger:hover:not(:disabled){background:var(--color-danger);filter:brightness(.9)}@media(prefers-color-scheme:dark){.button:not(.button--secondary){color:#12112a}}.text-link{border:0;padding:0;background:none;color:var(--color-primary);font-weight:600;text-decoration:none;cursor:pointer}.text-link:hover{text-decoration:underline}.form-error{color:var(--color-danger);font-size:.9rem}.alert{padding:12px 14px;border-radius:var(--radius-control);background:var(--color-danger-soft);color:var(--color-danger)}.alert--success{background:var(--color-success-soft);color:var(--color-success)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.page-note{color:var(--color-text-secondary);text-align:center}.sign-up__half{flex:1 1 160px}