.login-container{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:white;border-radius:12px;box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);padding:40px;width:100%;max-width:400px}.login-header{text-align:center;margin-bottom:30px}.login-header h1{font-size:2rem;font-weight:700;color:#111827;margin:0 0 8px}.login-header p{color:#6b7280;margin:0;font-size:.9rem}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:.9rem}.login-form{gap:20px}.form-group,.login-form{display:flex;flex-direction:column}.form-group{gap:6px}.form-group label{font-weight:500;color:#374151;font-size:.9rem}.form-group input{padding:12px 16px;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;transition:all .2s;background:white}.form-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.1)}.form-group input:disabled{background:#f9fafb;color:#6b7280;cursor:not-allowed}.primary-btn{background:#3b82f6;color:white;border:none;padding:12px 24px;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;margin-top:10px}.primary-btn:hover:not(:disabled){background:#2563eb;transform:translateY(-1px)}.primary-btn:disabled{background:#9ca3af;cursor:not-allowed;transform:none}.switch-mode{text-align:center;margin-top:10px}.switch-mode p{color:#6b7280;font-size:.9rem;margin:0}.help-text{text-align:center;margin-top:10px}.help-text p{color:#6b7280;font-size:.9rem;margin:0}.link-btn{background:none;border:none;color:#3b82f6;cursor:pointer;font-size:inherit;text-decoration:underline;padding:0;margin-left:4px}.link-btn:hover{color:#2563eb}.link-btn:disabled{color:#9ca3af;cursor:not-allowed;text-decoration:none}.code-info{text-align:center;margin-bottom:20px;padding:16px;background:#f0f9ff;border-radius:8px;border:1px solid #e0f2fe}.code-info p{margin:0 0 4px;color:#0369a1;font-size:.9rem}.code-info strong{color:#0c4a6e;font-weight:600}.code-actions{display:flex;justify-content:space-between;align-items:center;margin-top:10px}@media (max-width:480px){.login-container{padding:10px}.login-card{padding:30px 20px}.login-header h1{font-size:1.5rem}.code-actions{flex-direction:column;gap:10px}}