/* Page layout: keep footer at bottom when content is short */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body .main {
    flex: 1 0 auto;
}

body #footer {
    flex-shrink: 0;
    margin-top: auto;
}

/* Header layout adjustments */
.header-actions {
    gap: 1rem;
}

.lang-toggle__link {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.4rem 0.7rem;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s ease, color 0.3s ease, border-color 0.3s ease;
}

.lang-toggle__link:hover {
    background: rgba(0, 0, 0, 0.05);
}

.search-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.4rem;
    line-height: 1;
    transition: color 0.3s ease;
}

.search-modal .modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.search-modal .modal-body {
    padding: 2rem;
}

.search-modal__form {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 2px solid rgba(0,0,0,0.1);
    padding-bottom: 1rem;
}

.search-modal__form i.bi-search {
    font-size: 1.3rem;
    color: rgba(0,0,0,0.4);
}

.search-modal__input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.4rem;
    background: transparent;
}

.search-modal__close {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: rgba(0,0,0,0.5);
}

.search-modal__hint {
    margin-top: 0.75rem;
    margin-bottom: 0;
    font-size: 0.85rem;
    color: rgba(0,0,0,0.4);
}

#searchModal.modal.show {
    z-index: 1060 !important;
    display: block !important;
}

.search-modal .modal-dialog {
    max-width: 640px;
    margin-top: 8vh;
}

.search-modal .modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
}

.search-modal__header {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}
.search-modal__header i.bi-search {
    font-size: 1.2rem;
    color: rgba(0,0,0,0.35);
}
.search-modal__form {
    flex: 1;
}
.search-modal__input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 1.15rem;
    background: transparent;
}
.search-modal__close {
    background: none;
    border: none;
    color: rgba(0,0,0,0.4);
    cursor: pointer;
    font-size: 1rem;
}

.search-modal__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.search-modal__pill {
    border: none;
    background: #f1f1f4;
    color: #444;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.search-modal__pill.active {
    background: var(--bs-primary, #5b2ecb);
    color: #fff;
}
.search-modal__pill:hover:not(.active) {
    background: #e4e4e9;
}

.search-modal__body {
    min-height: 120px;
    max-height: 50vh;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.search-modal__footer {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.06);
    background: #fafafa;
}
.search-modal__hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: rgba(0,0,0,0.45);
}
.search-modal__hint kbd {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-size: 0.75rem;
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

/* Dark backdrop already handled by Bootstrap's .modal-backdrop */

/* Home hero: Chula-style glass topbar (blur only on background layer) */
body.home-page .header,
body.has-hero-banner .header {
    --header-glass-opacity: 1;
    --header-solid-opacity: 0;
    transition:
        background-color 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}

body.home-page .header::before,
body.has-hero-banner .header::before {
    transition: opacity 0.35s ease;
}

body.home-page:not(.scrolled) .header,
body.has-hero-banner:not(.scrolled) .header {
    --background-color: transparent;
    background-color: rgba(255, 255, 255, var(--header-solid-opacity, 0));
    box-shadow: none !important;
    border-bottom: none;
    isolation: isolate;
}

body.home-page .header::before,
body.has-hero-banner .header::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: calc(100% + 64px);
    opacity: var(--header-glass-opacity, 1);
    background: linear-gradient(
        180deg,
        rgba(8, 8, 12, 0.32) 0%,
        rgba(8, 8, 12, 0.28) 58%,
        rgba(8, 8, 12, 0.06) 82%,
        rgba(8, 8, 12, 0) 100%
    );
    backdrop-filter: blur(12px) saturate(110%);
    -webkit-backdrop-filter: blur(12px) saturate(110%);
    pointer-events: none;
    z-index: 0;
    -webkit-mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 1) 58%,
        rgba(0, 0, 0, 0.82) 70%,
        rgba(0, 0, 0, 0.48) 84%,
        rgba(0, 0, 0, 0.12) 96%,
        rgba(0, 0, 0, 0) 100%
    );
    mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 1) 58%,
        rgba(0, 0, 0, 0.82) 70%,
        rgba(0, 0, 0, 0.48) 84%,
        rgba(0, 0, 0, 0.12) 96%,
        rgba(0, 0, 0, 0) 100%
    );
}

body.home-page:not(.scrolled) .header .branding,
body.home-page:not(.scrolled) .header .search-panel,
body.has-hero-banner:not(.scrolled) .header .branding,
body.has-hero-banner:not(.scrolled) .header .search-panel {
    position: relative;
    z-index: 1;
}

body.home-page:not(.scrolled) .header .navmenu > ul > li > a,
body.home-page:not(.scrolled) .header .navmenu > ul > li > a:focus,
body.has-hero-banner:not(.scrolled) .header .navmenu > ul > li > a,
body.has-hero-banner:not(.scrolled) .header .navmenu > ul > li > a:focus {
    color: #fff !important;
    transition: color 0.35s ease;
}

body.home-page:not(.scrolled) .header .search-toggle,
body.home-page:not(.scrolled) .header .lang-toggle__link,
body.home-page:not(.scrolled) .header .mobile-nav-toggle,
body.has-hero-banner:not(.scrolled) .header .search-toggle,
body.has-hero-banner:not(.scrolled) .header .lang-toggle__link,
body.has-hero-banner:not(.scrolled) .header .mobile-nav-toggle {
    color: #fff !important;
    transition: color 0.35s ease, background 0.2s ease, border-color 0.35s ease;
}

body.home-page:not(.scrolled) .header .lang-toggle__link,
body.has-hero-banner:not(.scrolled) .header .lang-toggle__link {
    border-color: rgba(255, 255, 255, 0.45);
}

body.home-page:not(.scrolled) .header .lang-toggle__link:hover,
body.has-hero-banner:not(.scrolled) .header .lang-toggle__link:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff !important;
}

body.home-page:not(.scrolled) .header .logo h1.sitename,
body.has-hero-banner:not(.scrolled) .header .logo h1.sitename {
    color: #fff;
}

/* Glass topbar: solid white header while interacting with main nav (like scrolled state) */
body.home-page:not(.scrolled) .header:has(.navmenu:hover),
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within),
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover),
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) {
    --header-glass-opacity: 0 !important;
    --header-solid-opacity: 1 !important;
    background-color: #ffffff !important;
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.08);
    border-bottom: none;
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover)::before,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within)::before,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover)::before,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within)::before {
    opacity: 0 !important;
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a,
body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a:focus,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a:focus,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a:focus,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a:focus {
    color: var(--nav-color) !important;
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a:before,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a:before,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu > ul > li > a:before,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu > ul > li > a:before {
    background-color: var(--accent-color-purple);
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu li:hover > a,
body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu .active,
body.home-page:not(.scrolled) .header:has(.navmenu:hover) .navmenu .active:focus,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu li:hover > a,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu .active,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu .active:focus,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu li:hover > a,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu .active,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .navmenu .active:focus,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu li:hover > a,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu .active,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .navmenu .active:focus {
    color: var(--nav-hover-color) !important;
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover) .search-toggle,
body.home-page:not(.scrolled) .header:has(.navmenu:hover) .lang-toggle__link,
body.home-page:not(.scrolled) .header:has(.navmenu:hover) .mobile-nav-toggle,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .search-toggle,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .lang-toggle__link,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .mobile-nav-toggle,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .search-toggle,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .lang-toggle__link,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .mobile-nav-toggle,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .search-toggle,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .lang-toggle__link,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .mobile-nav-toggle {
    color: var(--nav-color) !important;
    border-color: rgba(0, 0, 0, 0.15);
}

body.home-page:not(.scrolled) .header:has(.navmenu:hover) .logo h1.sitename,
body.home-page:not(.scrolled) .header:has(.navmenu:focus-within) .logo h1.sitename,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:hover) .logo h1.sitename,
body.has-hero-banner:not(.scrolled) .header:has(.navmenu:focus-within) .logo h1.sitename {
    color: var(--heading-color);
}

/* Sub-menu: original dark text + purple hover (not white) */
body.home-page:not(.scrolled) .header .navmenu .dropdown ul a,
body.home-page:not(.scrolled) .header .navmenu .dropdown ul a:focus,
body.has-hero-banner:not(.scrolled) .header .navmenu .dropdown ul a,
body.has-hero-banner:not(.scrolled) .header .navmenu .dropdown ul a:focus {
    color: var(--nav-dropdown-color) !important;
}

body.home-page:not(.scrolled) .header .navmenu .dropdown ul a:hover,
body.home-page:not(.scrolled) .header .navmenu .dropdown ul .active:hover,
body.home-page:not(.scrolled) .header .navmenu .dropdown ul li:hover > a,
body.has-hero-banner:not(.scrolled) .header .navmenu .dropdown ul a:hover,
body.has-hero-banner:not(.scrolled) .header .navmenu .dropdown ul .active:hover,
body.has-hero-banner:not(.scrolled) .header .navmenu .dropdown ul li:hover > a {
    color: var(--nav-dropdown-hover-color) !important;
}

/* Sub-menu: animated underline on hover/active (like main nav) */
@media (min-width: 1200px) {
    .navmenu .dropdown ul a:before {
        content: "";
        position: absolute;
        height: 2px;
        bottom: 6px;
        left: 20px;
        width: 0;
        background-color: var(--accent-color-purple);
        visibility: hidden;
        transition: all 0.3s ease-in-out 0s;
    }

    .navmenu .dropdown ul a:hover:before,
    .navmenu .dropdown ul li:hover > a:before,
    .navmenu .dropdown ul .active:before {
        visibility: visible;
        width: calc(100% - 40px);
    }
}

/* Inner pages: solid white header from the start */
body.inner-page .header {
    --background-color: #ffffff;
    background-color: #ffffff;
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.06);
}

body.inner-page .header::before {
    display: none;
}

/* All pages: solid white header after scroll */
body.scrolled .header {
    --background-color: #ffffff;
    --header-glass-opacity: 0;
    --header-solid-opacity: 1;
    background-color: #ffffff !important;
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.08);
    border-bottom: none;
}

body.scrolled.home-page .header::before,
body.scrolled.has-hero-banner .header::before {
    opacity: 0;
    pointer-events: none;
}

body.scrolled .header .navmenu a,
body.scrolled .header .navmenu a:focus,
body.scrolled .header .search-toggle,
body.scrolled .header .lang-toggle__link,
body.scrolled .header .mobile-nav-toggle {
    color: var(--nav-color);
    transition: color 0.35s ease, background 0.2s ease, border-color 0.35s ease;
}

body.scrolled .header .lang-toggle__link {
    border-color: rgba(0, 0, 0, 0.15);
}

body.scrolled .header .logo h1.sitename {
    color: var(--heading-color);
}

body.scrolled .header .navmenu > ul > li > a:before {
    background-color: var(--accent-color-purple);
}

body.scrolled .header .navmenu li:hover > a,
body.scrolled .header .navmenu .active,
body.scrolled .header .navmenu .active:focus {
    color: var(--nav-hover-color);
}

/* Search panel: hidden by default, slides down when active */
.search-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: none;
}

.search-panel.active {
    max-height: 100px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

body.home-page:not(.scrolled) .header .search-panel,
body.has-hero-banner:not(.scrolled) .header .search-panel {
    border-bottom: none;
}

.search-panel__form {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0;
}

.search-panel__form input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
}

.search-panel__close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.search-result-card {
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    height: 100%;
}

.search-result-card h4 a {
    color: inherit;
    text-decoration: none;
}

.search-result-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
}

/* Mobile responsiveness */
@media (max-width: 1199px) {
    .header-actions {
        gap: 0.5rem;
    }

    .lang-toggle__link {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
    }
}