/* 
* 域名管理系统统一样式
* 包含登录和注册页面的样式
*/

/* ======= 变量定义 ======= */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --muted-color: #95a5a6;
    --gradient-primary: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    --gradient-warning: linear-gradient(to right, #f6c23e, #f4b619);
    --gradient-info: linear-gradient(to right, #4e73df, #224abe);
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.1);
    --box-shadow-light: 0 2px 5px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --border-radius: 10px;
    --border-radius-sm: 5px;
}

/* ======= 通用样式 ======= */
body {
    background-color: #f5f8fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 按钮样式 */
.btn {
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #2980b9;
    border-color: #2980b9;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover, .btn-success:focus {
    background-color: #27ae60;
    border-color: #27ae60;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* ======= 登录和注册页面样式 ======= */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.6s;
}

.auth-header {
    padding: 25px 20px;
    text-align: center;
    background-color: var(--primary-color);
    color: white;
}

.auth-header.register {
    background-color: var(--success-color);
}

.auth-body {
    padding: 30px;
}

.auth-footer {
    padding: 20px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.02);
}

/* 输入框组样式 */
.auth-input-group {
    margin-bottom: 10px; /* 调整间距 */
}

.auth-input-group label {
    font-weight: 500;
    margin-bottom: 5px; /* 减少标签与输入框的间距 */
    display: block;
}

.auth-input-group .input-group-text {
    background-color: var(--light-color);
    border-right: none;
}

.auth-input-group .form-control {
    border-left: none;
    padding-left: 0;
}

.auth-input-group .form-control:focus {
    box-shadow: none;
    border-color: #ced4da;
}

.auth-logo {
    margin-bottom: 20px;
    max-width: 100px;
}

.auth-divider {
    margin: 25px 0;
    text-align: center;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.auth-divider span {
    position: relative;
    background: white;
    padding: 0 15px;
    color: var(--muted-color);
}

.auth-promo {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.auth-promo-icon {
    font-size: 2.5rem;
    color: var(--warning-color);
    margin-bottom: 10px;
}

/* 表单样式增强 */
.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
    border-color: var(--primary-color);
}

/* 输入框组增强样式 */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
}

/* ======= 响应式优化 ======= */
@media (max-width: 992px) {
    .auth-card {
        margin: 0 10px;
    }
}

@media (max-width: 576px) {
    .auth-body {
        padding: 20px 15px;
    }
}