/* 注册页面专用样式 */

.register-container {
    min-height: calc(100vh - 200px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.card {
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    border-bottom: none;
    border-radius: 15px 15px 0 0 !important;
}

.card-body {
    background-color: #fff;
}

/* 表单样式增强 */
.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

.input-group .btn {
    border-left: none;
    border-color: #e9ecef;
}

.input-group .form-control:focus + .btn {
    border-color: var(--primary-color);
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3d8f 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

/* 提示框样式 */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
}

.alert i {
    margin-right: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .register-container {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    
    .card {
        margin: 0 1rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
}

/* 加载状态 */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

/* 表单验证提示 */
.invalid-feedback {
    display: block;
    font-size: 0.875rem;
    color: var(--danger-color);
    margin-top: 0.25rem;
}

.valid-feedback {
    display: block;
    font-size: 0.875rem;
    color: var(--success-color);
    margin-top: 0.25rem;
}

/* 成功状态动画 */
@keyframes slideInDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alert.show {
    animation: slideInDown 0.3s ease-out;
}

/* 账号类型选择卡片样式 */
.account-type-card {
    transition: all 0.3s ease;
    cursor: pointer;
    border: 3px solid transparent !important;
}

.account-type-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    border-color: var(--primary-color) !important;
}

.account-type-card[data-account-type="trial"]:hover {
    border-color: #0d6efd !important;
}

.account-type-card[data-account-type="vip"]:hover {
    border-color: #ffc107 !important;
}

.account-type-btn {
    transition: all 0.3s ease;
}

.account-type-btn:hover {
    transform: scale(1.05);
}

.account-type-card .card-body {
    position: relative;
    overflow: hidden;
}

.account-type-card .card-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.account-type-card:hover .card-body::before {
    opacity: 1;
}

.account-type-card[data-account-type="vip"] .card-body::before {
    background: linear-gradient(90deg, transparent, #ffc107, transparent);
}

/* 账号类型图标动画 */
.account-type-card i {
    transition: all 0.3s ease;
}

.account-type-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

/* 响应式设计 - 账号类型选择 */
@media (max-width: 768px) {
    .account-type-card {
        margin-bottom: 1.5rem;
    }
    
    .account-type-card .card-body {
        padding: 2rem !important;
    }
}