/* 登录模态框样式 */
.login-modal .modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.login-modal .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-bottom: none;
    padding: 25px 30px;
}

.login-modal .modal-title {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.login-modal .btn-close-white {
    filter: brightness(0) invert(1);
}

.login-modal .modal-body {
    padding: 30px;
}

/* 表单样式 */
.login-modal .form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.login-modal .form-control {
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    padding: 12px 15px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.login-modal .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-modal .input-group .btn {
    border: 2px solid #e1e5e9;
    border-left: none;
    background: white;
    color: #999;
    transition: all 0.3s ease;
}

.login-modal .input-group .btn:hover {
    color: #667eea;
    border-color: #667eea;
}

.login-modal .input-group .form-control {
    border-right: none;
}

.login-modal .input-group .form-control:focus + .btn {
    border-color: #667eea;
}

/* 复选框样式 */
.login-modal .form-check-input {
    border: 2px solid #ddd;
    border-radius: 4px;
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.login-modal .form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.login-modal .form-check-label {
    font-size: 14px;
    color: #666;
    margin-left: 8px;
}

/* 登录按钮 */
.login-modal .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.login-modal .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.login-modal .btn-primary:disabled {
    opacity: 0.7;
    transform: none;
}

/* 社交登录按钮 */
.login-modal .btn-outline-success {
    border: 2px solid #e1e5e9;
    color: #666;
    border-radius: 10px;
    padding: 10px 15px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-modal .btn-outline-success:hover {
    border-color: #07c160;
    color: #07c160;
    background: rgba(7, 193, 96, 0.05);
}

.login-modal .btn-outline-primary {
    border: 2px solid #e1e5e9;
    color: #666;
    border-radius: 10px;
    padding: 10px 15px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-modal .btn-outline-primary:hover {
    border-color: #12b7f5;
    color: #12b7f5;
    background: rgba(18, 183, 245, 0.05);
}

/* 错误提示样式 */
.login-modal .alert-danger {
    background: #fee;
    color: #c53030;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
}

/* 加载状态 */
.login-modal .btn-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-modal .btn-spinner.d-none {
    display: none;
}

/* 响应式设计 */
@media (max-width: 576px) {
    .login-modal .modal-dialog {
        margin: 20px;
    }
    
    .login-modal .modal-body {
        padding: 25px 20px;
    }
    
    .login-modal .modal-header {
        padding: 20px 25px;
    }
    
    .login-modal .btn-primary {
        padding: 12px 16px;
        font-size: 15px;
    }
}

/* 动画效果 */
.login-modal .modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.login-modal .modal.show .modal-dialog {
    transform: none;
}

/* 成功消息样式 */
.alert-success.position-fixed {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    font-weight: 500;
}

/* 输入组样式 */
.login-modal .input-group-text {
    background: #f8f9fa;
    border: 2px solid #e1e5e9;
    border-right: none;
    color: #6c757d;
    font-size: 14px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.login-modal .input-group .form-control {
    border-left: none;
}

.login-modal .input-group .form-control:focus + .input-group-text,
.login-modal .input-group .form-control:focus ~ .input-group-text {
    border-color: #667eea;
    color: #667eea;
}

.login-modal .input-group .form-control:focus {
    border-left: none;
}

/* 切换链接样式 */
.login-modal .text-primary.fw-semibold {
    text-decoration: none;
    transition: all 0.3s ease;
}

.login-modal .text-primary.fw-semibold:hover {
    color: #0056b3 !important;
    text-decoration: underline;
}

/* 工具类 */
.d-none {
    display: none !important;
}