:root{--bg: #0b0d10;--surface: #14171c;--border: #20252c;--text: #e5e7eb;--text-muted: #9ca3af;--primary: #8b5cf6;--primary-hover: #a78bfa;--error: #ef4444;--radius: 12px;--radius-lg: 16px;--tap: 48px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,system-ui,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}body,#app{min-height:100vh;min-height:100dvh}.screen{min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top) 20px env(safe-area-inset-bottom);max-width:480px;margin:0 auto}.screen-centered{display:flex;flex-direction:column;justify-content:center}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px}.title{margin:0 0 8px;font-size:28px;font-weight:700;letter-spacing:-.02em}.subtitle{margin:0 0 24px;color:var(--text-muted);font-size:15px}.form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;color:var(--text-muted);text-transform:lowercase}.input{height:var(--tap);padding:0 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:16px;font-family:inherit;outline:none;transition:border-color .15s}.input:focus{border-color:var(--primary)}.input-code{font-size:24px;letter-spacing:.3em;text-align:center;font-variant-numeric:tabular-nums}.button{height:var(--tap);padding:0 20px;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s,transform .1s}.button:active{transform:scale(.98)}.button:disabled{opacity:.5;cursor:not-allowed}.button-primary{background:var(--primary);color:#fff}.button-primary:hover:not(:disabled){background:var(--primary-hover)}.button-link{background:transparent;color:var(--text-muted);border:none;padding:12px;cursor:pointer;font-size:14px;font-family:inherit}.button-link:hover{color:var(--text)}.button-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border);height:36px;padding:0 14px;border-radius:var(--radius);font-size:14px;font-family:inherit;cursor:pointer}.button-ghost:hover{color:var(--text);border-color:var(--text-muted)}.captcha{display:flex;justify-content:center;min-height:78px}.error{margin:0;padding:12px 14px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius);color:var(--error);font-size:14px}.user-info{margin:0;color:var(--text-muted);font-size:14px;word-break:break-all}