/* Authentication pages (register/login) */

body {
    padding-top: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.auth-box {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 28px;
    color: #181C1F;
    margin-bottom: 8px;
    font-weight: 600;
}

.auth-header p {
    color: #666;
    font-size: 14px;
}

.auth-form {
    margin-top: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group label i {
    color: #667eea;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: #fafafa;
}

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

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #ff4444;
}

.form-error {
    color: #ff4444;
    font-size: 12px;
    margin-top: 6px;
    min-height: 18px;
    display: none;
}

.form-error.show {
    display: block;
}

.auth-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.auth-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.auth-btn:active:not(:disabled) {
    transform: translateY(0);
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
}

.auth-footer p {
    color: #666;
    font-size: 14px;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-box {
        padding: 30px 20px;
    }

    .auth-header h1 {
        font-size: 24px;
    }
}