/**
 * QQ-DTVB Frontend & Admin CSS
 *
 * Giao diện CSS hiện đại, responsive, cô lập hoàn toàn cho phân hệ Dự thảo & Góp ý.
 *
 * @since 1.2.0
 */

/* Variables block */
.qq-dtvb-shortcode-wrap,
.qq-dtvb-single-page {
    --qq-dtvb-gray-light: #f9f9f9;
    --qq-dtvb-border-color: #e2e8f0;
    --qq-dtvb-radius: 8px;
    --qq-dtvb-transition: all 0.25s ease-in-out;
    --qq-dtvb-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --qq-dtvb-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

/* =========================================================
   SEARCH BAR - Bộ lọc tìm kiếm
   ========================================================= */
.qq-dtvb-search-bar {
    display: flex;
    gap: 12px;
    background: #fff;
    padding: 16px;
    border-radius: var(--qq-dtvb-radius);
    border: 1px solid var(--qq-dtvb-border-color);
    box-shadow: var(--qq-dtvb-shadow);
}
.qq-dtvb-search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.qq-dtvb-search-input {
    width: 100%;
    height: 42px !important;
    padding: 8px 40px 8px 16px !important;
    border: 1.5px solid var(--qq-dtvb-border-color) !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    outline: none !important;
    background: #f8fafc !important;
    transition: var(--qq-dtvb-transition) !important;
    box-sizing: border-box !important;
}
.qq-dtvb-search-input:focus {
    border-color: var(--qq-dtvb-primary) !important;
    background: #fff !important;
    box-shadow: 0 0 0 3px var(--qq-dtvb-primary-light) !important;
}
.qq-dtvb-clear-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: #94a3b8;
    padding: 0;
    display: flex;
    align-items: center;
}
.qq-dtvb-clear-btn:hover {
    color: #ef4444;
}
.qq-dtvb-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 20px;
    background-color: var(--qq-dtvb-primary) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: var(--qq-dtvb-transition) !important;
}
.qq-dtvb-search-btn:hover {
    background-color: var(--qq-dtvb-primary-dark) !important;
}

/* =========================================================
   BLOCKS AND CARDS - Khối và thẻ dữ liệu
   ========================================================= */
.qq-dtvb-block {
    background: #fff;
    padding: 24px;
    border-radius: var(--qq-dtvb-radius);
    border: 1px solid var(--qq-dtvb-border-color);
    box-shadow: var(--qq-dtvb-shadow);
    margin-bottom: 30px;
}
.qq-dtvb-block-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0 !important;
}
.qq-dtvb-card-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 15px;
}
.qq-dtvb-card-item {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--qq-dtvb-border-color);
    border-left: 4px solid var(--status-color, #cbd5e1);
    border-radius: 6px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-card-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--qq-dtvb-shadow-lg);
    border-color: #cbd5e1;
}

/* Cột STT */
.qq-dtvb-col-stt {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    min-width: 40px;
    height: 40px;
    background: #f1f5f9;
    color: #475569;
    font-weight: 700;
    font-size: 14px;
    border-radius: 50%;
    margin-right: 16px;
}

/* Cột Nội dung chính */
.qq-dtvb-col-main {
    flex: 1;
    padding-right: 16px;
}
.qq-dtvb-badge-wrapper {
    margin-bottom: 6px;
}
.qq-dtvb-badge-status {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    color: #fff;
}
.qq-dtvb-status-active { background-color: #10b981; }
.qq-dtvb-status-pending { background-color: #f59e0b; }
.qq-dtvb-status-expired { background-color: #ef4444; }

.qq-dtvb-item-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}
.qq-dtvb-item-title a {
    color: #1e293b;
    text-decoration: none;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-item-title a:hover {
    color: var(--qq-dtvb-primary);
}

/* Cột Meta ngày */
.qq-dtvb-col-meta {
    width: 220px;
    min-width: 220px;
    padding-right: 16px;
    font-size: 13px;
    color: #64748b;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.qq-dtvb-meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.qq-dtvb-meta-row .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: #94a3b8;
}

/* Cột Actions */
.qq-dtvb-col-actions {
    width: 180px;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Nút bấm custom */
.qq-dtvb-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    padding: 8px 14px !important;
    border-radius: 6px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    border: none !important;
    cursor: pointer !important;
    transition: var(--qq-dtvb-transition) !important;
    line-height: 1.4 !important;
    box-sizing: border-box !important;
    width: 100% !important;
}
.qq-dtvb-btn .dashicons {
    font-size: 16px !important;
    width: 16px !important;
    height: 16px !important;
    color: inherit !important;
}
.qq-dtvb-btn-content {
    background: #e8f0f8 !important;
    color: var(--qq-dtvb-primary) !important;
}
.qq-dtvb-btn-content:hover {
    background: var(--qq-dtvb-primary) !important;
    color: #fff !important;
}
.qq-dtvb-btn-download {
    background: #e8f5e9 !important;
    color: #2e7d32 !important;
}
.qq-dtvb-btn-download:hover {
    background: #2e7d32 !important;
    color: #fff !important;
}

/* =========================================================
   PAGINATION - Phân trang
   ========================================================= */
.qq-dtvb-pagination-wrap {
    display: flex;
    justify-content: center;
    margin-top: 25px;
}
.qq-dtvb-pagination {
    display: inline-flex;
    gap: 6px;
}
.qq-dtvb-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--qq-dtvb-border-color) !important;
    border-radius: 6px !important;
    background: #fff !important;
    color: #475569 !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: var(--qq-dtvb-transition) !important;
}
.qq-dtvb-page-btn:hover {
    border-color: var(--qq-dtvb-primary) !important;
    color: var(--qq-dtvb-primary) !important;
}
.qq-dtvb-page-btn.is-active {
    background: var(--qq-dtvb-primary) !important;
    border-color: var(--qq-dtvb-primary) !important;
    color: #fff !important;
    font-weight: 700 !important;
}

/* =========================================================
   SINGLE VIEW - Giao diện chi tiết
   ========================================================= */
.qq-dtvb-single-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: inherit;
}
.qq-dtvb-single-container {
    background: #fff;
    border: 1px solid var(--qq-dtvb-border-color);
    border-radius: var(--qq-dtvb-radius);
    box-shadow: var(--qq-dtvb-shadow-lg);
    padding: 30px;
}

/* Breadcrumb */
.qq-dtvb-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px !important;
    color: #64748b;
    margin-bottom: 10px !important;
}
.qq-dtvb-breadcrumb a {
    color: var(--qq-dtvb-primary) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-breadcrumb a:hover {
    color: var(--qq-dtvb-primary-dark) !important;
}
.qq-dtvb-breadcrumb .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--qq-dtvb-primary) !important;
}
.qq-dtvb-breadcrumb-sep {
    color: #94a3b8;
}
.qq-dtvb-breadcrumb-current {
    color: var(--qq-dtvb-primary) !important;
    font-weight: 500;
}

/* Single Header */
.qq-dtvb-single {
    margin-bottom: 20px;
}
.qq-dtvb-single-header {
    border-bottom: 2px solid var(--qq-dtvb-border-color);
    padding-bottom: 20px;
    margin-bottom: 25px;
}
.qq-dtvb-single-meta-top {
    margin-bottom: 10px;
}
.qq-dtvb-single-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--qq-dtvb-primary) !important;
    margin: 0 0 12px 0;
    line-height: 1.3;
}
.qq-dtvb-single-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: #475569;
}
.qq-dtvb-single-dates span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.qq-dtvb-single-dates .dashicons {
    color: #94a3b8;
}

/* Single Tabs */
.qq-dtvb-tabs {
    display: flex;
    border-bottom: 1.5px solid var(--qq-dtvb-border-color);
    margin-bottom: 25px;
    gap: 4px;
    overflow-x: auto;
    white-space: nowrap;
}
.qq-dtvb-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-tab-btn:hover {
    color: var(--qq-dtvb-primary);
    background-color: #f8fafc;
}
.qq-dtvb-tab-btn.is-active {
    color: var(--qq-dtvb-primary);
    border-bottom-color: var(--qq-dtvb-primary);
}
/* Làm nổi bật tab Góp ý bằng màu nền đỏ, chữ trắng và bo góc */
.qq-dtvb-tab-btn[data-tab="tab-gop-y"] {
    background-color: #d63638 !important;
    color: #fff !important;
    border-radius: 6px !important;
    padding: 10px 20px !important;
    border: 1px solid #d63638 !important;
    border-bottom: 1px solid #d63638 !important;
    margin-left: auto;
    box-shadow: 0 2px 4px rgba(214, 54, 56, 0.2);
}
.qq-dtvb-tab-btn[data-tab="tab-gop-y"]:hover {
    background-color: #c0282a !important;
    border-color: #c0282a !important;
    color: #fff !important;
}
.qq-dtvb-tab-btn[data-tab="tab-gop-y"].is-active {
    background-color: #a82022 !important;
    border-color: #a82022 !important;
    color: #fff !important;
}
.qq-dtvb-tab-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}
.qq-dtvb-tab-count {
    background: #f1f5f9;
    color: #475569;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
}
.qq-dtvb-tab-btn.is-active .qq-dtvb-tab-count {
    background: var(--qq-dtvb-primary-light);
    color: var(--qq-dtvb-primary);
}

/* Tab Panels */
.qq-dtvb-tab-panel {
    display: none;
}
.qq-dtvb-tab-panel.is-active {
    display: block;
}

/* Info Table */
.qq-dtvb-info-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
.qq-dtvb-info-table th,
.qq-dtvb-info-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--qq-dtvb-border-color);
    text-align: left;
    font-size: 14px;
}
.qq-dtvb-info-table th {
    font-weight: 600;
    color: #475569;
    width: 250px;
    background: #f8fafc;
    vertical-align: middle;
}
.qq-dtvb-info-table th .dashicons {
    color: #94a3b8;
    font-size: 16px;
    width: 16px;
    height: 16px;
}
.qq-dtvb-info-table td {
    color: #1e293b;
}

/* Empty State */
.qq-dtvb-empty-state {
    text-align: center;
    padding: 40px;
    color: #94a3b8;
}
.qq-dtvb-empty-state .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
}

/* Góp ý Form */
.qq-dtvb-form-wrapper {
    background: #f8fafc;
    border: 1px solid var(--qq-dtvb-border-color);
    border-radius: var(--qq-dtvb-radius);
    padding: 24px;
}
.qq-dtvb-form-title {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}
.qq-dtvb-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.qq-dtvb-form-group {
    margin-bottom: 16px;
}
.qq-dtvb-form-group label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: #334155;
    margin-bottom: 6px;
}
.qq-dtvb-form-group input[type="text"],
.qq-dtvb-form-group input[type="email"],
.qq-dtvb-form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--qq-dtvb-border-color);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    outline: none;
    box-sizing: border-box;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-form-group input[type="text"]:focus,
.qq-dtvb-form-group input[type="email"]:focus,
.qq-dtvb-form-group textarea:focus {
    border-color: var(--qq-dtvb-primary);
    box-shadow: 0 0 0 3px var(--qq-dtvb-primary-light);
}

/* PDF Viewer Tabs */
.qq-dtvb-pdf-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}
.qq-dtvb-pdf-tab-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--qq-dtvb-border-color);
    border-radius: 4px;
    background: #fff;
    color: #475569;
    cursor: pointer;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-pdf-tab-btn:hover {
    border-color: var(--qq-dtvb-primary);
    color: var(--qq-dtvb-primary);
}
.qq-dtvb-pdf-tab-btn.button-primary {
    background: var(--qq-dtvb-primary) !important;
    border-color: var(--qq-dtvb-primary) !important;
    color: #fff !important;
}

/* Back button wrap */
.qq-dtvb-back-btn-wrap {
    margin-top: 30px;
    border-top: 1px solid var(--qq-dtvb-border-color);
    padding-top: 20px;
}
.qq-dtvb-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--qq-dtvb-border-color);
    border-radius: 6px;
    background: #fff;
    color: #475569;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: var(--qq-dtvb-transition);
}
.qq-dtvb-btn-ghost:hover {
    border-color: var(--qq-dtvb-primary);
    color: var(--qq-dtvb-primary);
}

/* AJAX message status */
#qq-dtvb-msg.msg-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 15px;
}
#qq-dtvb-msg.msg-error {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 15px;
}

/* Spin animation cho update icon */
.spin {
    animation: qq-dtvb-spin 1s infinite linear;
    display: inline-block;
}
@keyframes qq-dtvb-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* =========================================================
   RESPONSIVE DESIGN
   ========================================================= */
@media screen and (max-width: 992px) {
    .qq-dtvb-card-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .qq-dtvb-col-meta {
        width: 100%;
        min-width: 0;
        padding-right: 0;
    }
    .qq-dtvb-col-actions {
        width: 100%;
        min-width: 0;
        flex-direction: row;
        gap: 12px;
    }
    .qq-dtvb-col-actions .qq-dtvb-btn {
        flex: 1;
        margin-bottom: 0 !important;
    }
}

@media screen and (max-width: 768px) {
    .qq-dtvb-form-grid {
        grid-template-columns: 1fr;
    }
    .qq-dtvb-info-table th {
        width: 100%;
        box-sizing: border-box;
    }
    .qq-dtvb-info-table tr {
        display: flex;
        flex-direction: column;
        border-bottom: 1px solid var(--qq-dtvb-border-color);
    }
    .qq-dtvb-info-table th,
    .qq-dtvb-info-table td {
        border-bottom: none;
        padding: 8px 16px;
    }
    .qq-dtvb-info-table th {
        padding-top: 14px;
    }
    .qq-dtvb-info-table td {
        padding-bottom: 14px;
    }
    .qq-dtvb-col-actions {
        flex-direction: column;
    }
    
    /* Mobile/Tablet tab layout (grid 2 columns, Góp ý spans 2 columns) */
    .qq-dtvb-tabs {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
        border-bottom: none !important;
        white-space: normal !important;
        overflow-x: visible !important;
        margin-bottom: 20px !important;
    }
    .qq-dtvb-tab-btn {
        width: 100% !important;
        box-sizing: border-box !important;
        justify-content: center !important;
        border: 1px solid var(--qq-dtvb-border-color) !important;
        border-radius: 6px !important;
        padding: 10px 8px !important;
        font-size: 13px !important;
        text-align: center !important;
        background: #f8fafc !important;
    }
    .qq-dtvb-tab-btn.is-active {
        background-color: var(--qq-dtvb-primary-light) !important;
        border-color: var(--qq-dtvb-primary) !important;
        color: var(--qq-dtvb-primary) !important;
    }
    /* Góp ý tab (nút thứ 5) chiếm trọn 2 cột và có màu nền đỏ nổi bật */
    .qq-dtvb-tab-btn:nth-child(5) {
        grid-column: span 2 !important;
        font-size: 14px !important;
        padding: 12px 8px !important;
        background-color: #d63638 !important;
        color: #fff !important;
        border-color: #d63638 !important;
        margin-left: 0 !important;
    }
    .qq-dtvb-tab-btn:nth-child(5):hover {
        background-color: #c0282a !important;
        border-color: #c0282a !important;
        color: #fff !important;
    }
    .qq-dtvb-tab-btn:nth-child(5).is-active {
        background-color: #a82022 !important;
        border-color: #a82022 !important;
        color: #fff !important;
    }
}