/**
 * 弹窗组件
 * 三端共用
 */

/* 弹窗遮罩 */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-mask);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* 弹窗主体 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-mask);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(-20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

/* 弹窗头部 */
.modal-header {
    padding: var(--spacing-base) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--color-text);
}

/* 弹窗内容 */
.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

/* 弹窗底部 */
.modal-footer {
    padding: var(--spacing-base) var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* 弹窗尺寸 */
.modal-sm .modal-content {
    max-width: 360px;
}

.modal-lg .modal-content {
    max-width: 720px;
}

.modal-xl .modal-content {
    max-width: 960px;
}

.modal-fullscreen .modal-content {
    max-width: 100%;
    max-height: 100%;
    height: 100%;
    border-radius: 0;
}

/* 确认弹窗 */
.confirm-modal .modal-content {
    max-width: 400px;
    text-align: center;
}

.confirm-modal .modal-body {
    padding: var(--spacing-xl);
}

.confirm-modal .confirm-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-base);
}

.confirm-modal .confirm-icon.warning {
    color: var(--color-warning);
}

.confirm-modal .confirm-icon.danger {
    color: var(--color-danger);
}

.confirm-modal .confirm-icon.success {
    color: var(--color-success);
}

.confirm-modal .confirm-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.confirm-modal .confirm-message {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Toast 提示 */
#toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-base) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 280px;
    max-width: 400px;
    animation: toast-in 0.3s ease;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.toast-out {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast-icon {
    font-size: 20px;
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-error .toast-icon {
    color: var(--color-danger);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.toast-close {
    cursor: pointer;
    color: var(--color-text-muted);
    padding: var(--spacing-xs);
}

/* 响应式 */
@media (max-width: 768px) {
    .modal-content {
        margin: var(--spacing-base);
        max-width: calc(100% - var(--spacing-2xl));
    }
    
    .modal-lg .modal-content,
    .modal-xl .modal-content {
        max-width: calc(100% - var(--spacing-2xl));
    }
    
    #toast-container {
        left: var(--spacing-base);
        right: var(--spacing-base);
        top: var(--spacing-base);
    }
    
    .toast {
        min-width: auto;
        max-width: none;
    }
}