/* Modal Popup สำหรับกำหนดหมวดหมู่ */
:root {
    --wptax-modal-primary: #1a4789;    /* สีน้ำเงิน */
    --wptax-modal-primary-dark: #0d2d5e;
    --wptax-modal-secondary: #ff6b35;  /* สีส้ม */
    --wptax-modal-secondary-dark: #e55a24;
    --wptax-modal-text: #333333;       /* สีดำ */
    --wptax-modal-bg: #ffffff;
    --wptax-modal-border: #eaeaea;
    --wptax-modal-radius: 8px;
    --wptax-modal-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    --wptax-modal-transition: all 0.3s ease;
    --wptax-modal-overlay: rgba(0, 0, 0, 0.5);
}

/* Modal Container */
.wptax-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999999;
    font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
}

.wptax-modal.wptax-modal-active {
    display: block;
    animation: wptaxFadeIn 0.3s ease;
}

/* Overlay */
.wptax-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--wptax-modal-overlay);
    backdrop-filter: blur(2px);
}

/* Modal Content */
.wptax-modal-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--wptax-modal-bg);
    border-radius: var(--wptax-modal-radius);
    box-shadow: var(--wptax-modal-shadow);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: wptaxSlideIn 0.3s ease;
}

/* Modal Header */
.wptax-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    background-color: var(--wptax-modal-primary);
    color: white;
    border-top-left-radius: var(--wptax-modal-radius);
    border-top-right-radius: var(--wptax-modal-radius);
}

.wptax-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
    color: white;
}

.wptax-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0 5px;
    opacity: 0.8;
    transition: var(--wptax-modal-transition);
}

.wptax-modal-close:hover {
    opacity: 1;
}

/* Modal Body */
.wptax-modal-body {
    padding: 20px 25px;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}

.wptax-modal-desc {
    margin: 0 0 20px 0;
    color: #666;
    font-size: 14px;
}

/* Taxonomy Section */
.wptax-taxonomy-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--wptax-modal-border);
}

.wptax-taxonomy-section:last-child {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: none;
}

.wptax-taxonomy-title {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--wptax-modal-text);
}

.wptax-term-select-container {
    position: relative;
}

.wptax-term-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--wptax-modal-border);
    border-radius: var(--wptax-modal-radius);
    font-size: 15px;
    color: var(--wptax-modal-text);
    background-color: white;
    appearance: none;
    outline: none;
    transition: var(--wptax-modal-transition);
}

.wptax-term-select:focus {
    border-color: var(--wptax-modal-primary);
    box-shadow: 0 0 0 3px rgba(26, 71, 137, 0.2);
}

.wptax-term-select-container::after {
    content: '▼';
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: #999;
    pointer-events: none;
    font-size: 12px;
}

/* Modal Footer */
.wptax-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 15px 25px;
    background-color: #f8f8f8;
    border-top: 1px solid var(--wptax-modal-border);
}

/* Buttons */
.wptax-save-btn,
.wptax-cancel-btn {
    padding: 12px 20px;
    border: none;
    border-radius: var(--wptax-modal-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--wptax-modal-transition);
}

.wptax-save-btn {
    background-color: var(--wptax-modal-primary);
    color: white;
}

.wptax-save-btn:hover {
    background-color: var(--wptax-modal-primary-dark);
}

.wptax-cancel-btn {
    background-color: var(--wptax-modal-secondary);
    color: white;
}

.wptax-cancel-btn:hover {
    background-color: var(--wptax-modal-secondary-dark);
}

/* Message Container */
.wptax-message-container {
    margin-top: 15px;
}

.wptax-message {
    padding: 12px 15px;
    border-radius: var(--wptax-modal-radius);
    font-size: 14px;
    margin-bottom: 15px;
}

.wptax-success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.wptax-error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

@keyframes wptaxSlideIn {
    from { 
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to { 
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* Loading Indicator */
.wptax-loading {
    position: relative;
    pointer-events: none;
}

.wptax-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--wptax-modal-radius);
}

.wptax-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    width: 30px;
    height: 30px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--wptax-modal-primary);
    border-radius: 50%;
    animation: wptaxSpin 1s linear infinite;
}

@keyframes wptaxSpin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive */
@media (max-width: 576px) {
    .wptax-modal-container {
        width: 95%;
    }
    
    .wptax-modal-header,
    .wptax-modal-body,
    .wptax-modal-footer {
        padding: 15px;
    }
    
    .wptax-save-btn,
    .wptax-cancel-btn {
        padding: 10px 15px;
        font-size: 13px;
    }
}