/* Clean Minimalist Museum Styles */
:root {
    --museum-bg: #ffffff;
    --museum-surface: #fafafa;
    --museum-surface-hover: #ffffff;

    --museum-red: #d80b0b;
    --museum-blue: #001288;
    --museum-yellow: #f4af00;

    --museum-text: #1a1a1a;
    --museum-text-mute: #6b6b6b;

    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
}

/* Soft reset for links in Museum */
.museum-theme a:hover {
    text-shadow: none;
    /* remove neon hover from main site */
}

body.museum-theme {
    background-color: var(--museum-bg);
    color: var(--museum-text);
    font-family: var(--font-sans);
    /* Clean white background */
}

.texture-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSJ0cmFuc3BhcmVudCIvPgo8Y2lyY2xlIGN4PSIxIiBjeT0iMSIgcj0iMSIgZmlsbD0icmdiYSgwLDAsMCwwLjE1KSIvPgo8L3N2Zz4=');
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    color: var(--museum-blue);
    letter-spacing: 0.5px;
}

/* Header */
.museum-header {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.museum-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.museum-header .museum-container {
    max-width: 1400px;
    /* Header specific expansion */
}

.header-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    position: relative;
    /* Anchor for back link */
}

.header-left {
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--museum-text-mute);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999; /* Much higher to beat everything */
    pointer-events: auto; /* Ensure clickable */
}

.back-link:hover {
    color: var(--museum-red);
}

.museum-logo {
    position: relative; /* Fixed: confine absolute absolute links inside */
    text-align: left;
    display: flex;
    flex-direction: row;
    /* Logo left, Text right */
    align-items: center;
    gap: 20px;
}

.museum-logo img {
    width: 60px;
    /* Branded larger */
    height: 60px;
    transition: transform 0.5s ease;
}

.museum-logo img:hover {
    transform: rotate(90deg);
}

.museum-logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.museum-logo h1 {
    font-size: 1.25rem;
    /* Enlarged title */
    margin: 0;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--museum-text);
    text-align: left;
}

.museum-logo .subtitle {
    font-size: 0.7rem;
    /* Enlarged subtitle */
    color: var(--museum-text-mute);
    font-family: var(--font-sans);
    letter-spacing: 0.6px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    padding-bottom: 0;
    text-align: left;
}

.museum-logo .subtitle::after {
    display: none;
    /* Removing the red line for the new horizontal layout */
}

.museum-nav {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    /* Increased spacing */
    width: 100%;
}

.museum-nav a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--museum-text-mute);
    padding: 0.5rem 0;
    transition: color 0.3s ease;
    position: relative;
}

.museum-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--museum-blue);
    transition: width 0.3s ease;
}

.museum-nav a:hover,
.museum-nav a.active {
    color: var(--museum-blue);
}

.museum-nav a:hover::after,
.museum-nav a.active::after {
    width: 100%;
}

/* --- 1. Curator Desk (Hero) --- */
.curator-desk {
    text-align: center;
    padding: 6rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.museum-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: 4px;
    margin-bottom: 2rem;
    color: var(--museum-blue);
    position: relative;
    display: inline-block;
}

.museum-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--museum-red);
}

.museum-manifesto {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--museum-text-mute);
    font-family: var(--font-serif);
    font-style: italic;
    margin-top: 1rem;
}

/* --- Shared Sections --- */
.section-heading {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--museum-text);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 1rem;
}

/* --- 2. Exhibition Halls --- */
.exhibition-halls {
    margin-bottom: 6rem;
}

.hall-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.exhibition-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.exhibition-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.exhibition-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
    filter: grayscale(40%);
    transition: filter 0.4s;
}

.exhibition-card:hover .exhibition-image {
    filter: grayscale(0%);
}

.exhibition-info {
    padding: 2rem;
}

.exhibition-info h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--museum-text);
}

.exhibition-info p {
    font-size: 0.95rem;
    color: var(--museum-text-mute);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.enter-hall-btn {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--museum-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* --- 3. Archival Desk (List) --- */
.archival-desk {
    margin-bottom: 8rem;
}

.desk-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
}

.desk-header .section-heading {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.sort-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 1rem;
}

.sort-label {
    font-size: 0.8rem;
    color: var(--museum-text-mute);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sort-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--museum-text-mute);
    cursor: pointer;
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.sort-btn:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--museum-text);
}

.sort-btn.active {
    background: rgba(0, 18, 136, 0.05);
    /* very light blue */
    color: var(--museum-blue);
    font-weight: 500;
}

.archive-list {
    display: flex;
    flex-direction: column;
}

.archive-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.archive-item:hover {
    transform: translateX(10px);
}

.archive-ref {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--museum-red);
    width: 100px;
    flex-shrink: 0;
}

.archive-thumbnail {
    width: 160px;
    height: 100px;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.grayscale-filter {
    filter: grayscale(100%) contrast(1.2);
    transition: filter 0.4s;
}

.archive-item:hover .grayscale-filter {
    filter: grayscale(0%) contrast(1);
}

.archive-details {
    flex: 1;
}

.archive-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--museum-text-mute);
    margin-bottom: 0.5rem;
    display: block;
}

.archive-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--museum-text);
}

.archive-summary {
    font-size: 0.95rem;
    color: var(--museum-text-mute);
    line-height: 1.6;
}

.open-file-btn {
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 1px solid var(--museum-text);
    color: var(--museum-text);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
}

.open-file-btn:hover {
    background: var(--museum-text);
    color: #fff;
}

/* Guest Cards (Blog-style for Museum) */
.guest-card {
    background: var(--museum-surface);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.guest-card.featured {
    flex-direction: row;
    grid-column: 1 / -1;
    min-height: 400px;
}

.guest-card.featured .guest-card-image {
    width: 50%;
    height: auto;
}

.guest-card.featured .guest-card-content {
    width: 50%;
    padding: 4rem;
    justify-content: center;
}

.guest-card.featured .guest-title {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.guest-card.featured .guest-excerpt {
    font-size: 1.1rem;
}


.guest-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.guest-card-image {
    width: 100%;
    height: 220px;
    background-size: cover;
    background-position: center;
    filter: grayscale(40%);
    transition: filter 0.4s ease;
}

.guest-card:hover .guest-card-image {
    filter: grayscale(0%);
}

.guest-card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.guest-meta {
    font-size: 0.75rem;
    color: var(--museum-red);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.guest-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--museum-text);
    line-height: 1.3;
    font-family: var(--font-serif);
}

.guest-excerpt {
    font-size: 0.95rem;
    color: var(--museum-text-mute);
    line-height: 1.6;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.guest-read-more {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--museum-text);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guest-read-more svg {
    transition: transform 0.3s ease;
}

.guest-card:hover .guest-read-more svg {
    transform: translateX(5px);
}

/* Footer Override */
.museum-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: #fff;
    padding: 4rem 0 2rem;
    text-align: center;
}

.footer-motto {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    color: var(--museum-text-mute);
    margin-bottom: 3rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: var(--museum-text-mute);
}

.footer-bottom a {
    color: var(--museum-text-mute);
    font-weight: 500;
}

.footer-bottom a:hover {
    color: var(--museum-blue);
}

/* Fix: Global Mobile Overflow and Nav Visibility */
@media (max-width: 900px) {
    body.museum-theme {
        overflow-x: hidden;
        width: 100%;
    }
    
    .museum-nav {
        gap: 1.25rem;
        padding: 0.75rem 0.5rem;
        background: rgba(0,0,0,0.02);
        border-radius: 8px;
        margin-top: 0.5rem;
    }
    
    .museum-nav a {
        color: #333 !important; /* Darker for better visibility */
        font-weight: 600;
        font-size: 0.75rem;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .museum-container {
        padding: 0 1.5rem;
    }

    .header-inner {
        gap: 0.75rem;
    }

    .header-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .museum-logo {
        gap: 12px;
        max-width: calc(100% - 120px);
    }

    .museum-logo img {
        width: 40px;
        height: 40px;
    }

    .museum-logo h1 {
        font-size: 0.9rem;
        letter-spacing: 1.5px;
    }

    .museum-logo .subtitle {
        display: none !important; /* Force hide despite inline styles if they exist */
    }

    .back-link {
        position: static;
        transform: none;
        font-size: 0.7rem;
    }

    .museum-nav {
        gap: 1rem;
        flex-wrap: wrap;
        padding-top: 0.5rem;
    }

    .museum-nav a {
        font-size: 0.8rem;
    }

    .curator-desk {
        padding: 4rem 1rem;
    }

    .desk-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .sort-controls {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .archive-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .archive-thumbnail {
        width: 100%;
        height: 200px;
    }

    .open-file-btn {
        width: 100%;
    }

    .hero-collage,
    .visit-grid {
        grid-template-columns: 1fr !important;
    }

    .hero-content {
        left: 1rem !important;
        right: 1rem !important;
        bottom: 2rem !important;
    }
}

@media (max-width: 600px) {
    .header-top {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .museum-logo {
        max-width: 100%;
        justify-content: center;
    }

    .back-link {
        order: -1;
        margin-bottom: 0.5rem;
    }

    .museum-nav {
        gap: 0.75rem;
        justify-content: center;
    }
}

.floating-avatar {
  position: fixed;
  bottom: 2.5rem;
  left: 2.5rem;
  width: 65px;
  height: 65px;
  background: rgba(10, 10, 12, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 0 20px rgba(94, 67, 243, 0.3);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.floating-avatar:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 30px rgba(94, 67, 243, 0.6), 0 0 10px rgba(255, 255, 255, 0.5);
  background: rgba(94, 67, 243, 0.2);
}
.chat-bubble {
  position: absolute;
  bottom: 85px;
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  color: #000;
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  border-bottom-left-radius: 0;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px) scale(0.9);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}
.floating-avatar:hover .chat-bubble {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}


/* Museum Specific OS Window Override */
.os-window {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 450px;
  height: 60vh;
  background: rgba(10, 10, 12, 0.8);
  border-radius: 16px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}
.os-window.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}
.os-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}
.os-title {
  font-family: monospace;
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 1px;
}
.os-controls {
  display: flex;
  gap: 8px;
}
.os-control-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
}
.os-control-btn.close {
  background: #ff5f56;
}
.os-control-btn.minimize {
  background: #ffbd2e;
}
.os-control-btn.maximize {
  background: #27c93f;
}
.premium-glass-window {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}


/* Museum Specific Chat Form Override */
.chat-history::-webkit-scrollbar {
  width: 6px;
}
.chat-history::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
.chat-history::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}
.chat-message.user {
  align-self: flex-end !important;
  background: var(--museum-blue) !important;
  color: #fff !important;
}
.quick-reply-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.quick-reply-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}