/* ============================================
   ข่าวประชาสัมพันธ์โรงเรียน - หน้าบ้าน (Front-end)
   ============================================ */

/* ตัวแปรสีและฟอนต์ */
:root {
    --color-bg: #f6f3ff;
    --color-primary: #471396;
    --color-primary-dark: #34106d;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-card-bg: #ffffff;
    --font-sans: "Sarabun", "Prompt", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* พื้นฐาน */
body {
    background-color: #ffffff;
    color: var(--color-text);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* หน้าโหลด */
.page-loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(246, 243, 255, 0.96);
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.page-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

@media (max-width: 576px) {
    .page-loader dotlottie-wc {
        width: 220px !important;
        height: 220px !important;
    }
}

/* Navbar */
.site-nav {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.site-nav .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff !important;
    display: inline-block;
    transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1), color 0.35s ease;
    will-change: transform;
    position: relative;
    z-index: 2;
}
.site-nav:hover .navbar-brand {
    color: rgba(255, 255, 255, 0.9) !important;
    transform: translateX(58px);
}

.site-nav .container,
.site-nav .container-fluid {
    position: relative;
}

.site-nav-hover-logo {
    position: absolute;
    left: 8px;
    top: 50%;
    width: 42px;
    height: 42px;
    object-fit: contain;
    opacity: 0;
    transform: translateY(-50%) scale(0.82);
    transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
    z-index: 1;
}

.site-nav:hover .site-nav-hover-logo {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

@media (max-width: 576px) {
    .site-nav .navbar-brand {
        font-size: 1.05rem;
    }

    .site-nav:hover .navbar-brand {
        transform: translateX(48px);
    }

    .site-nav-hover-logo {
        width: 36px;
        height: 36px;
    }
}

/* หน้าหลัก - หัวข้อ */
.page-header {
    margin-bottom: 1.5rem;
}
.page-header h1 {
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.page-header .subtitle {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.news-panel-surface {
    background-image: linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.82)), url('../../bg/p3.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    border: 1px solid var(--color-border);
    border-radius: 0.9rem;
    padding: 1rem 1.1rem;
}

/* การ์ดข่าว (รายการ) */
.news-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: rgba(71, 19, 150, 0.25);
}
.news-card .card-body {
    padding: 1.25rem;
}
.news-card-image-wrap {
    width: 100%;
    /* fixed height so cards are uniform but image won't be cropped */
    height: 150px;
    overflow: hidden;
    border-top-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    background: #f3edff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.text-primary {
    color: var(--color-primary) !important;
}
.news-card-image {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}
.news-card .card-title {
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.05rem;
    line-height: 1.4;
}
.news-card .card-title:hover {
    color: var(--color-primary);
}
.news-date {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}
.news-card .card-text {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}
.news-card .card-footer {
    background: transparent;
    border: 0;
    padding: 0 1.25rem 1rem;
}
.news-card .read-more {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.9375rem;
}

/* ลิงก์รายการข่าว (ไม่ให้มี underline/สีแปลกตอนคลิก) */
a.news-link {
    text-decoration: none;
    color: inherit;
}
a.news-link:hover {
    color: inherit;
}

/* หน้ารายละเอียดข่าว */
.article-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    overflow: hidden;
}
.article-card .card-body {
    padding: 1.5rem;
}
.article-card .article-date {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}
.article-card .article-title {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}
.article-card .article-summary {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.6;
}
.article-card .article-content {
    color: var(--color-text);
    line-height: 1.7;
    white-space: pre-line;
}

/* Sidebar เมนูด้านซ้าย */
.side-menu-card {
    border-radius: 0.75rem;
    border: 1px solid rgba(71, 19, 150, 0.12);
    background-color: #ffffff;
}
.side-menu {
    position: relative;
    z-index: 3;
    background: #ebe2ff;
    border: 1px solid rgba(71, 19, 150, 0.18);
    border-radius: 0.75rem;
    padding: 0.75rem;
    overflow: hidden;
}
.side-menu-logo {
    background: #ebe2ff;
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem;
    margin-bottom: 0.75rem;
    text-align: center;
    overflow: hidden;
}
.side-menu-logo img {
    width: 100%;
    max-width: 110px;
    max-height: 110px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}
.side-menu-logo-text {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
}

.side-menu-director {
    background: #ebe2ff;
    border-radius: 0.65rem;
    padding: 0.75rem;
    text-align: center;
}

.side-menu-director-avatar {
    width: 215px;
    height: 261px;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 2px solid rgba(71, 19, 150, 0.22);
    margin: 0 auto 0.5rem;
    background: #f7f3ff;
}

.side-menu-director-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.side-menu-director-role {
    color: var(--color-primary-dark);
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.side-menu-director-name {
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.35;
}

.side-menu-group-title {
    background: rgba(71, 19, 150, 0.08);
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(71, 19, 150, 0.2);
}
.side-menu-item {
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    background-color: #ffffff;
    border-color: rgba(71, 19, 150, 0.08);
    color: var(--color-text);
    transition: transform 0.18s ease, background-color 0.18s ease;
}
.side-menu-item:hover,
.side-menu-item:focus-within {
    transform: translateX(4px);
    background-color: #f7f3ff;
}
.side-menu-link {
    display: block;
    color: var(--color-text);
    text-decoration: none;
}
.side-menu-link:hover {
    color: var(--color-primary);
}
.side-menu-item span {
    color: var(--color-text);
}

.side-facebook-news {
    border-radius: 0.75rem;
    border: 1px solid rgba(71, 19, 150, 0.12);
    overflow: hidden;
}

.side-facebook-news-title {
    background: rgba(71, 19, 150, 0.08);
    color: var(--color-primary-dark);
    font-weight: 700;
    border-bottom: 1px solid rgba(71, 19, 150, 0.2);
}

.side-facebook-news-item {
    padding: 0.6rem 0.75rem;
    border-color: rgba(71, 19, 150, 0.08);
}

.side-facebook-news-link {
    color: var(--color-text);
    text-decoration: none;
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.92rem;
    line-height: 1.4;
}

.side-facebook-news-thumb {
    width: 64px;
    height: 64px;
    border-radius: 0.45rem;
    overflow: hidden;
    border: 1px solid rgba(71, 19, 150, 0.15);
    background: #f7f3ff;
    flex: 0 0 64px;
}

.side-facebook-news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.side-facebook-news-text {
    display: block;
    padding-top: 0.1rem;
}

.side-facebook-news-link:hover {
    color: var(--color-primary);
}

.facebook-news-bottom {
    max-width: none;
    margin-left: 0;
}

@media (max-width: 991.98px) {
    .facebook-news-bottom {
        max-width: none;
        margin-left: 0;
    }
}

/* พื้นที่รูปตรงกลาง (Hero) */
.hero-placeholder {
    position: relative;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, #f97316, #ec4899);
    color: #fff;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}
.hero-text {
    position: relative;
    z-index: 1;
}
.hero-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.hero-subtitle {
    font-size: 0.98rem;
    opacity: 0.95;
}
/* carousel image should fill container and maintain aspect */
.banner-full-bleed {
    position: relative;
    z-index: 1;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    overflow: hidden;
    border-radius: 0.75rem;
}

.carousel-item .banner-container {
    position: relative;
    width: 100%;
    height: auto;
    max-height: none;
    min-height: 0;
    overflow: hidden;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}
.carousel-item .banner-container img {
    width: 100% !important;
    height: auto !important;
    max-height: 60vh;
    object-fit: contain !important;
    object-position: center !important;
    display: block;
}
.poster-gallery {
    position: relative;
    z-index: 2;
}

.poster-gallery-item {
    width: 100%;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.poster-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

.poster-link {
    display: block;
    text-decoration: none;
}

.poster-link:hover {
    opacity: 0.96;
}

@media (max-width: 991.98px) {
    .carousel-item .banner-container {
        height: auto;
        min-height: 0;
    }
    .carousel-item .banner-container img {
        max-height: 42vh;
    }
}

.hero-placeholder::before,
.hero-placeholder::after {
    content: '';
    position: absolute;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
}
.hero-placeholder::before {
    width: 220px;
    height: 220px;
    right: -60px;
    top: -40px;
}
.hero-placeholder::after {
    width: 160px;
    height: 160px;
    right: 40px;
    bottom: -60px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    padding: 1rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.visitor-counter-box {
    background: #ffffff;
    border: 1px solid rgba(71, 19, 150, 0.14);
    border-radius: 0.75rem;
    padding: 0.8rem 0.9rem;
    text-align: center;
}

.visitor-counter-box-inline {
    max-width: 320px;
}

.visitor-counter-label {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin-bottom: 0.2rem;
}

.visitor-counter-number {
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 1.15rem;
    line-height: 1.2;
}

.visitor-counter-number span {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Alert / empty state */
.alert-empty {
    background: #f3edff;
    color: #471396;
    border-radius: 0.5rem;
    border: 1px solid #d8c8ff;
}

/* ============================================
   แท็บหัวข้อข่าว (News Category Tabs)
   ============================================ */
.news-category-tabs {
    flex-wrap: wrap;
    border-bottom: 2px solid var(--color-border);
    gap: 0.5rem;
}

.news-category-tabs .nav-link {
    color: var(--color-text-muted);
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    margin-bottom: -2px;
    transition: all 0.3s ease;
}

.news-category-tabs .nav-link:hover {
    color: var(--color-primary);
    background-color: transparent;
}

.news-category-tabs .nav-link.active {
    color: var(--color-primary);
    background-color: transparent;
    border-color: var(--color-primary);
}

.tab-content {
    animation: fadeIn 0.3s ease;
}

.tab-pane {
    animation: fadeIn 0.3s ease;
}

.tab-pane.show.active {
    animation: slideIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(5px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ผังบริหาร */
.management-chart {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.management-chart-header h2 {
    color: var(--color-text);
    font-weight: 700;
}

.management-tree {
    position: relative;
}

.management-top-node {
    display: flex;
    justify-content: center;
}

.management-node {
    background: #f7f3ff;
    border: 1px solid rgba(71, 19, 150, 0.16);
    border-radius: 0.75rem;
    padding: 0.85rem 0.75rem;
    text-align: center;
    height: 100%;
}

.management-avatar-wrap {
    width: 84px;
    height: 84px;
    border-radius: 999px;
    overflow: hidden;
    margin: 0 auto 0.55rem;
    border: 2px solid rgba(71, 19, 150, 0.22);
    background: #ffffff;
}

.management-avatar-trigger {
    border: 0;
    padding: 0;
    background: transparent;
    cursor: zoom-in;
    display: inline-block;
}

.management-avatar-trigger:focus-visible .management-avatar-wrap {
    outline: 2px solid rgba(71, 19, 150, 0.45);
    outline-offset: 2px;
}

.management-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.management-node-main {
    background: #ebe2ff;
    min-width: 280px;
    max-width: 360px;
}

.management-node-main .management-avatar-wrap {
    width: 96px;
    height: 96px;
}

.management-modal-image {
    width: auto;
    max-width: 100%;
    max-height: 72vh;
    border-radius: 0.5rem;
}

.management-role {
    color: var(--color-primary-dark);
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.management-name {
    color: var(--color-text);
    font-size: 0.94rem;
    font-weight: 600;
    line-height: 1.4;
}

.management-detail {
    margin-top: 0.4rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.45;
}

.management-line-vertical {
    width: 2px;
    height: 18px;
    margin: 0.35rem auto 0;
    background: rgba(71, 19, 150, 0.26);
}

.management-line-horizontal {
    width: 78%;
    height: 2px;
    margin: 0 auto 0.9rem;
    background: rgba(71, 19, 150, 0.26);
}

.management-deputy-row {
    align-items: stretch;
}

@media (max-width: 991.98px) {
    .management-line-horizontal {
        display: none;
    }
}

/* ข่าวจากเพจ Facebook */
.facebook-feed {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    max-width: none;
    margin-left: 0;
}

.facebook-feed-header h2 {
    color: var(--color-text);
    font-weight: 700;
}

.facebook-embed-wrap {
    border: 1px solid rgba(71, 19, 150, 0.16);
    border-radius: 0.75rem;
    overflow: hidden;
    background: #ffffff;
    display: flex;
    justify-content: center;
}

.facebook-embed-wrap .fb-page,
.facebook-embed-wrap .fb-page span,
.facebook-embed-wrap .fb-page iframe {
    width: 100% !important;
}

.facebook-embed-wrap iframe {
    width: 100%;
    max-width: none;
    height: 600px;
    border: 0;
}

@media (max-width: 575.98px) {
    .facebook-embed-wrap iframe {
        height: 500px;
    }
}

@media (max-width: 991.98px) {
    .facebook-feed {
        max-width: none;
        margin-left: 0;
    }
}

/* สถิติจำนวนนักเรียน */
.student-stats {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1rem 1.1rem;
}

.student-stats-header h3 {
    color: var(--color-text);
    font-weight: 700;
}

.student-stat-card {
    border: 1px solid rgba(71, 19, 150, 0.15);
    border-radius: 0.65rem;
    background: #f7f3ff;
    padding: 0.9rem 1rem;
}

.student-stat-label {
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.student-stat-value {
    color: var(--color-text);
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.2;
}

.student-stat-value span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.school-map {
    background-image: linear-gradient(rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.84)), url('../../bg/p3.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1rem 1.1rem;
}

.school-map-header h3 {
    color: var(--color-text);
    font-weight: 700;
}

.school-map-embed-wrap {
    border: 1px solid rgba(71, 19, 150, 0.15);
    border-radius: 0.65rem;
    overflow: hidden;
    background: #ffffff;
}