:root{--bg: #f5f7fb;--card: #ffffff;--primary: #0f172a;--accent: #0ea5e9;--border: #e2e8f0;--muted: #64748b;--shadow: 0 15px 40px rgba(15, 23, 42, 0.08)}body.signup-page{min-height:100vh;background:var(--bg);font-family:"Inter",sans-serif;display:flex;align-items:center;padding:2rem 1rem 1.5rem}.brand{color:var(--primary)}.brand-link{display:inline-flex;flex-direction:column;align-items:center;color:inherit}.brand-link:hover{color:inherit}.brand-icon{width:64px;height:64px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);color:#fff;font-size:1.75rem;margin-bottom:.25rem;box-shadow:var(--shadow)}.signup-card{background:var(--card);border-radius:24px;padding:2.5rem;border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:2rem}.form-control{border-radius:12px;border-color:var(--border)}.form-control:focus{box-shadow:0 0 0 .2rem rgba(14,165,233,.15);border-color:#94d9f8}.btn-primary-custom{background:var(--primary);border:1px solid var(--primary);color:#fff;border-radius:12px;font-weight:700;letter-spacing:.01em;box-shadow:0 12px 30px rgba(15,23,42,.15)}.btn-primary-custom:hover{background:#162544;border-color:#162544}.social-buttons .social-btn{width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#f1f5f9;color:var(--primary);font-size:1.2rem;border:1px solid var(--border);transition:all .2s ease}.social-buttons .social-btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(0,0,0,.08)}.social-btn.fb{color:#1877f2}.social-btn.google{color:#d93025}.social-btn.tg{color:#2aabee}@media(max-width: 576px){body.signup-page{padding:2rem 1rem}.signup-card{padding:2rem 1.25rem}}