/* 认证页面样式 */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
}

.auth-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.auth-header .logo {
    display: inline-flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #007bff;
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.auth-header .logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.auth-header h2 {
    margin-bottom: 0.5rem;
    color: #333;
    font-size: 1.5rem;
}

.auth-header p {
    color: #666;
    font-size: 0.9rem;
}

/* 表单样式 */
.auth-form {
    padding: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: #666;
    z-index: 1;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
    background: #f8f9fa;
}

.input-group input:focus {
    border-color: #007bff;
    background: white;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0.25rem;
    z-index: 1;
}

.password-toggle:hover {
    color: #007bff;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.8rem;
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.2);
}

/* 复选框样式已简化，使用原生样式 */

.forgot-link {
    color: #007bff;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.forgot-link:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,123,255,0.3);
}

.btn-outline {
    background: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-outline:hover {
    background: #007bff;
    color: white;
}

/* 底部链接 */
.auth-footer {
    text-align: center;
    padding: 1rem 2rem 2rem;
    background: #f8f9fa;
}

.auth-footer p {
    color: #666;
    font-size: 0.9rem;
}

.auth-footer a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.auth-footer a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 警告消息 */
.alert {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    gap: 0.5rem;
}

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

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

.alert i {
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        max-width: 100%;
    }
    
    .auth-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .auth-footer {
        padding: 1rem 1.5rem 1.5rem;
    }
}

/* 动画效果 */
.auth-card {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.input-group input:focus {
    animation: pulse 0.3s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

.btn-primary:hover {
    animation: bounce 0.6s ease-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-3px);
    }
    60% {
        transform: translateY(-2px);
    }
}