:root{--bg: #f6f7f9;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--border: #d1d5db;--border-focus: #2563eb;--error: #b91c1c;--error-bg: #fef2f2;--success: #047857;--success-bg: #ecfdf5;--button-bg: #2563eb;--button-bg-disabled: #93c5fd;--button-text: #ffffff}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}.page{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:48px 16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px;width:100%;max-width:480px;box-shadow:0 1px 3px #0000000a}.card h1{margin:0 0 8px;font-size:24px;font-weight:600}.lede{margin:0 0 24px;color:var(--muted)}.signup-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:14px;font-weight:500;color:var(--text)}.field input{font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);outline:none;transition:border-color .12s ease,box-shadow .12s ease}.field input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #2563eb26}.field input[aria-invalid=true]{border-color:var(--error)}.field-error{margin:0;color:var(--error);font-size:13px}.alert{border-radius:8px;padding:10px 12px;font-size:14px}.alert-error{background:var(--error-bg);color:var(--error);border:1px solid #fecaca}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #a7f3d0}button[type=submit]{font:inherit;font-weight:600;padding:10px 16px;border-radius:8px;border:none;background:var(--button-bg);color:var(--button-text);cursor:pointer;transition:background-color .12s ease}button[type=submit]:hover:not(:disabled){background:#1d4ed8}button[type=submit]:disabled{background:var(--button-bg-disabled);cursor:not-allowed}.turnstile-wrap{display:flex;flex-direction:column;gap:4px}.turnstile-banner{padding:8px 10px;background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:8px;font-size:13px}.turnstile-banner code{background:#0000000d;padding:1px 4px;border-radius:4px;font-size:12px}