/* Modal - Ant Design */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    z-index: 1000;
    animation: modalMaskFadeIn 0.2s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--padding-md);
}

.modal-content {
    background: var(--component-background);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
    transform: scale(0.9);
    animation: modalContentShow 0.3s cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-md) var(--padding-lg);
    border-bottom: 1px solid var(--border-color-split);
    background: var(--component-background);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.5;
}

.modal-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

/* Modal Body */
.modal-content form {
    padding: var(--padding-lg);
    max-height: calc(90vh - 120px);
    overflow-y: auto;
}

/* Form Tabs */
.form-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color-split);
    margin-bottom: var(--padding-lg);
    background: var(--background-color);
    border-radius: var(--border-radius-base) var(--border-radius-base) 0 0;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 100px;
    padding: var(--padding-sm) var(--padding-md);
    border: none;
    background: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    white-space: nowrap;
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-hover);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--component-background);
}

.tab-btn.active::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--component-background);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: tabContentShow 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

.tab-content .form-group {
    margin-bottom: var(--padding-md);
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: var(--padding-xs);
    justify-content: flex-end;
    padding: var(--padding-md) var(--padding-lg);
    border-top: 1px solid var(--border-color-split);
    background: var(--background-color);
}

.modal-actions .btn {
    min-width: 80px;
}

/* Animations */
@keyframes modalMaskFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalContentShow {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes tabContentShow {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: var(--padding-md);
    }
    
    .modal-header {
        padding: var(--padding-md);
    }
    
    .modal-content form {
        padding: var(--padding-md);
    }
    
    .modal-actions {
        padding: var(--padding-md);
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    .form-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1 1 auto;
        min-width: 0;
        padding: var(--padding-xs) var(--padding-sm);
    }
}

/* Scrollbar for modal content */
.modal-content form::-webkit-scrollbar {
    width: 6px;
}

.modal-content form::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 3px;
}

.modal-content form::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.modal-content form::-webkit-scrollbar-thumb:hover {
    background: var(--text-disabled);
}