.g-recaptcha {
    margin: 20px 0;
    transform-origin: left top;
    transform: scale(0.95);
}

@media (max-width: 320px) {
    .g-recaptcha {
        transform: scale(0.85);
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    position: relative;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 30px 20px;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

.footer {
    padding: 15px;
    opacity: 0.9;
    font-size: 0.8rem; 
    text-align: center;
}

.form-container {
    padding: 40px 30px;
}

.tab-buttons {
    display: flex;
    margin-bottom: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 5px;
}

.tab-button {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    color: #6c757d;
}

.tab-button.active {
    background: white;
    color: #667eea;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error {
    border-color: #dc3545;
    background: #fff5f5;
}

.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.success-message {
    color: #28a745;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.login-btn:hover {
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
}

.loading {
    display: none;
    text-align: center;
    margin-top: 20px;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    display: none;
}

.result-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.result-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 480px) {
    .container {
        margin: 10px;
        border-radius: 15px;
    }
    
    .form-container {
        padding: 30px 20px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
}