/**
 * Holsea01 - PING GAN
 * Main Stylesheet
 * 
 * Architectural Silence Design System
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Colors */
    --color-bg-primary: #F5F4F2;
    --color-bg-secondary: #E8E6E3;
    --color-bg-dark: #1A1A1A;
    --color-text-primary: #2A2A2A;
    --color-text-secondary: #6B6B6B;
    --color-text-muted: #999999;
    --color-accent: #B8A88A;
    --color-accent-hover: #A69878;
    --color-line: #E0DFDC;
    --color-line-dark: #3A3A3A;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes */
    --text-xs: 0.625rem;
    /* 10px */
    --text-sm: 0.75rem;
    /* 12px */
    --text-base: 0.875rem;
    /* 14px */
    --text-md: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.5rem;
    /* 24px */
    --text-2xl: 2rem;
    /* 32px */
    --text-3xl: 3rem;
    /* 48px */
    --text-4xl: 4rem;
    /* 64px */
    --text-5xl: 6rem;
    /* 96px */
    --text-6xl: 7.5rem;
    /* 120px */

    /* Spacing */
    --space-1: 0.5rem;
    /* 8px */
    --space-2: 1rem;
    /* 16px */
    --space-3: 1.5rem;
    /* 24px */
    --space-4: 2rem;
    /* 32px */
    --space-5: 3rem;
    /* 48px */
    --space-6: 4rem;
    /* 64px */
    --space-7: 6rem;
    /* 96px */
    --space-8: 8rem;
    /* 128px */

    /* Layout */
    --gutter: 5vw;
    --grid-columns: 12;

    /* Transitions */
    --ease-premium: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 800ms;
    --duration-slower: 1000ms;

    /* Z-index */
    --z-base: 1;
    --z-rooms: 10;
    --z-hud: 100;
    --z-overlay: 500;
    --z-minimap: 600;
    --z-grain: 1000;
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow: hidden;
    cursor: default;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   TYPOGRAPHY SYSTEM
   ============================================ */
.headline-hero {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-4xl), 10vw, var(--text-6xl));
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.headline-large {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.headline-medium {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
    font-weight: 500;
    line-height: 1.2;
}

.headline-small {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl));
    font-weight: 500;
    line-height: 1.3;
}

.body-text {
    font-family: var(--font-sans);
    font-size: var(--text-md);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.micro-label {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.micro-label01b {
    font-size: 2em;
    max-width: 80vw;
}

.caption {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
}

/* ============================================
   GRAIN OVERLAY
   ============================================ */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-grain);
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ============================================
   GRID OVERLAY (Debug)
   ============================================ */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-premium),
        visibility var(--duration-normal) var(--ease-premium);
}

.grid-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    height: 100%;
    padding: 0 var(--gutter);
}

.grid-column {
    background: rgba(184, 168, 138, 0.1);
    border-left: 1px solid rgba(184, 168, 138, 0.3);
    border-right: 1px solid rgba(184, 168, 138, 0.3);
    position: relative;
}

.grid-label {
    position: absolute;
    top: var(--space-2);
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--text-xs);
    color: var(--color-accent);
    font-weight: 500;
}

/* ============================================
   HUD - TOP
   ============================================ */
.hud-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--gutter);
    z-index: var(--z-hud);
    pointer-events: none;
}

.hud-top>* {
    pointer-events: auto;
}

.hud-brand {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.brand-primary {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.brand-divider {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0 0.25rem;
}

.brand-secondary {
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

/* Center LOGO */
.hud-logo-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hud-logo-center img {
    max-height: 50px;
    object-fit: contain;
}

/* ============================================
   HUD - MINIMAP PREVIEW (Top Right)
   ============================================ */
.hud-minimap-preview {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color var(--duration-fast) var(--ease-premium);
}

.hud-minimap-preview:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.hud-minimap-preview:hover .minimap-preview-hint {
    opacity: 1;
}

.minimap-preview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2px;
}

.minimap-preview-cell {
    width: 10px;
    height: 10px;
    border: 1px solid var(--color-line);
    border-radius: 2px;
    background: transparent;
    transition: all var(--duration-fast) var(--ease-premium);
}

.minimap-preview-cell.is-empty {
    opacity: 0;
    border-color: transparent;
}

.minimap-preview-cell.is-current {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 4px rgba(184, 168, 138, 0.5);
}

.minimap-preview-cell.is-visited {
    background: rgba(42, 42, 42, 0.2);
    border-color: var(--color-text-secondary);
}

.minimap-preview-hint {
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-premium);
}

/* ============================================
   HUD - BOTTOM
   ============================================ */
.hud-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: var(--space-3) var(--gutter);
    z-index: var(--z-hud);
    pointer-events: none;
}

.hud-bottom>* {
    pointer-events: auto;
}

.hud-room-label {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.room-number {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.room-divider {
    font-size: var(--text-xs);
    color: var(--color-line);
    margin: 0 0.25rem;
}

.room-name {
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.hud-directions {
    display: flex;
    gap: var(--space-1);
}

.direction-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-line);
    border-radius: 4px;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    transition: all var(--duration-fast) var(--ease-premium);
    opacity: 0.5;
}

.direction-btn:hover {
    opacity: 1;
    border-color: var(--color-text-secondary);
}

.direction-btn.is-active {
    opacity: 1;
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.direction-btn.is-disabled {
    opacity: 0.2;
    pointer-events: none;
}

/* Grid Hint */
.grid-hint {
    position: fixed;
    bottom: var(--space-3);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-hud);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-premium);
}

.grid-hint span {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-bg-primary);
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-line);
    border-radius: 4px;
}

body:hover .grid-hint {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   MINIMAP OVERLAY
   ============================================ */
.minimap-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(245, 244, 242, 0.98);
    z-index: var(--z-minimap);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-slow) var(--ease-premium),
        visibility var(--duration-slow) var(--ease-premium);
}

.minimap-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.minimap-container {
    text-align: center;
    max-width: 800px;
    padding: var(--space-5);
}

.minimap-close {
    position: absolute;
    top: var(--space-3);
    right: var(--gutter);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color var(--duration-fast) var(--ease-premium);
}

.minimap-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.minimap-title {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 400;
    margin-bottom: var(--space-5);
}

.minimap-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-2);
}

.minimap-room {
    padding: var(--space-2) var(--space-1);
    border: 1px solid var(--color-line);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-premium);
    background: transparent;
}

.minimap-room:hover {
    border-color: var(--color-text-secondary);
    background: rgba(0, 0, 0, 0.02);
}

.minimap-room.is-current {
    border-color: var(--color-accent);
    background: rgba(184, 168, 138, 0.1);
}

.minimap-room.is-empty {
    opacity: 0;
    pointer-events: none;
}

.minimap-room-id {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.minimap-room-name {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

/* ============================================
   ROOMS VIEWPORT
   ============================================ */
.rooms-viewport {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: var(--z-rooms);
}

.rooms-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ============================================
   ROOM BASE STYLES
   ============================================ */
.room {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-7) var(--gutter);
    background: var(--color-bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-slow) var(--ease-premium),
        visibility var(--duration-slow) var(--ease-premium),
        transform var(--duration-slow) var(--ease-premium);
}

.room.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.room.is-entering-from-bottom {
    transform: translateY(100%);
}

.room.is-entering-from-top {
    transform: translateY(-100%);
}

.room.is-entering-from-left {
    transform: translateX(-100%);
}

.room.is-entering-from-right {
    transform: translateX(100%);
}

.room.is-active {
    transform: translate(0, 0);
}

/* Room Content Layout */
.room-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-3);
    align-items: center;
}

/* Room Tag */
.room-tag {
    position: absolute;
    top: calc(var(--space-7) + var(--space-3));
    left: var(--gutter);
}

/* ============================================
   ROOM VARIANTS
   ============================================ */

/* Dark Room */
.room--dark {
    background: var(--color-bg-dark);
    color: #fff;
}

.room--dark .headline-hero,
.room--dark .headline-large,
.room--dark .headline-medium {
    color: #fff;
}

.room--dark .body-text {
    color: rgba(255, 255, 255, 0.7);
}

.room--dark .micro-label {
    color: rgba(255, 255, 255, 0.5);
}

/* Centered Room */
.room--centered .room-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ============================================
   INTERACTIVE ELEMENTS
   ============================================ */

/* CTA Button */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-text-primary);
    border-radius: 2px;
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all var(--duration-fast) var(--ease-premium);
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-text-primary);
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-premium);
}

.cta-btn span {
    position: relative;
    z-index: 1;
}

.cta-btn:hover::before {
    transform: translateY(0);
}

.cta-btn:hover {
    color: var(--color-bg-primary);
}

/* Card */
.card {
    padding: var(--space-4);
    border: 1px solid var(--color-line);
    background: rgba(255, 255, 255, 0.5);
    transition: all var(--duration-fast) var(--ease-premium);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ============================================
   CAPSULE VISUAL
   ============================================ */
.capsule-visual {
    width: 200px;
    height: 80px;
    background: linear-gradient(135deg, #2A2A2A 0%, #1A1A1A 100%);
    border-radius: 40px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.capsule-visual::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 15%;
    width: 70%;
    height: 20%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), transparent);
    border-radius: 50%;
}

/* Floating Animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.capsule-visual--animated {
    animation: float 6s ease-in-out infinite;
}

/* ============================================
   TEXT REVEAL ANIMATION
   ============================================ */
.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-premium),
        transform var(--duration-slow) var(--ease-premium);
}

.room.is-active .reveal-text {
    opacity: 1;
    transform: translateY(0);
}

.reveal-text:nth-child(1) {
    transition-delay: 0.1s;
}

.reveal-text:nth-child(2) {
    transition-delay: 0.2s;
}

.reveal-text:nth-child(3) {
    transition-delay: 0.3s;
}

.reveal-text:nth-child(4) {
    transition-delay: 0.4s;
}

.reveal-text:nth-child(5) {
    transition-delay: 0.5s;
}

/* ============================================
   INGREDIENT LIST
   ============================================ */
.ingredient-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.ingredient-item {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-line);
}

.ingredient-name {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.ingredient-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   PERSONA CIRCLE
   ============================================ */
.persona-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-line);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.persona-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
}

/* ============================================
   FAQ STYLES
   ============================================ */
.faq-list {
    max-width: 600px;
    max-height: 400px;
    /* Fixed height for scrolling */
    overflow-y: auto;
    /* Enable vertical scroll */
    padding-right: var(--space-3);
    /* Space for scrollbar */
    /* Custom Scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-secondary) var(--color-bg-secondary);
}

.faq-list::-webkit-scrollbar {
    width: 6px;
}

.faq-list::-webkit-scrollbar-track {
    background: transparent;
}

.faq-list::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.faq-item {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-line);
}

.faq-question {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.faq-answer {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   PRODUCT DETAIL GRID (Room 03C)
   ============================================ */
.product-details-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    text-align: left;
}

.detail-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-3);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.detail-label {
    font-weight: 500;
    color: var(--color-text-muted);
    font-family: var(--font-serif);
}

.detail-content {
    color: var(--color-text-secondary);
    text-align: justify;
}

@media (max-width: 480px) {
    .nutrients {
        max-height: 400px;
        /* Limit height for the whole card */
        overflow-y: auto;
        padding-right: var(--space-2) !important;
        /* Override inline style if needed, or add space for scrollbar */

        /* Custom Scrollbar */
        scrollbar-width: thin;
        scrollbar-color: var(--color-text-muted) transparent;
    }

    .nutrients::-webkit-scrollbar {
        width: 4px;
    }

    .nutrients::-webkit-scrollbar-track {
        background: transparent;
    }

    .nutrients::-webkit-scrollbar-thumb {
        background-color: rgba(0, 0, 0, 0.2);
        border-radius: 2px;
    }

    /* Reset product-details-grid specific scroll */
    .product-details-grid {
        max-height: none;
        overflow-y: visible;
        border: none;
        background: transparent;
        padding: 0;
        padding-bottom: var(--space-4);
        /* Maintain spacing */
        border-bottom: 1px solid var(--color-line);
    }

    .detail-row {
        grid-template-columns: 1fr;
        /* Stack on very small screens */
        gap: var(--space-1);
        padding-bottom: var(--space-2);
        border-bottom: 1px dashed var(--color-line);
        /* Separator between items */
    }

    .detail-row:last-child {
        border-bottom: none;
    }

    .detail-label {
        font-size: var(--text-xs);
        opacity: 0.8;
        margin-bottom: 2px;
    }
}

/* ============================================
   Brand Story (Room 05C)
   ============================================ */
.brand-story-container .story-body {
    max-height: 70vh;
    /* Limit height < 100vh for full page design */
    overflow-y: auto;
    padding-right: var(--space-2);
    padding-bottom: var(--space-5);

    /* Custom Scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-muted) transparent;

    /* Visual hint for scrolling */
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: var(--space-3);
}

.brand-story-container .story-body::-webkit-scrollbar {
    width: 4px;
}

.brand-story-container .story-body::-webkit-scrollbar-track {
    background: transparent;
}

.brand-story-container .story-body::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

/* Hide header on desktop */
@media (min-width: 769px) {
    .brand-story-container .story-header {
        display: none;
    }
}

@media (max-width: 768px) {
    .brand-story-container .story-logo {
        font-size: 3rem !important;
    }

    .brand-story-container .story-header {
        margin-bottom: var(--space-4) !important;
    }

    .brand-story-container .story-body {
        max-height: 50vh;
        /* Smaller height for mobile */
    }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    :root {
        --gutter: 1.5rem;
    }

    .headline-hero {
        font-size: var(--text-3xl);
    }

    .headline-large {
        font-size: var(--text-2xl);
    }

    .hud-directions {
        display: none;
    }

    .grid-hint {
        display: none;
    }

    .room-content {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
        max-height: 80vh;
    }
}

/* ============================================
   MAGNETIC CURSOR
   ============================================ */
.magnetic-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-text-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-overlay);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
    transition: opacity var(--duration-fast) var(--ease-premium),
        transform var(--duration-fast) var(--ease-premium);
}

.magnetic-cursor.is-visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.magnetic-cursor.is-hovering {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--color-accent);
}

/* Gold Accent Usage */
.accent-gold {
    color: var(--color-accent);
}

.accent-gold-bg {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

/* ============================================
   Room Grid 3 (For 05B, 05C)
   ============================================ */
/* ============================================
   Room Grid 3 (For 05B, 05C)
   ============================================ */
.room-grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .room-grid-3 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-3);
    }
}

/* Group Container */
.grid-group {
    display: flex;
    /* Mobile: Horizontal layout */
    flex-direction: row;
    align-items: center;
    /* Vertical center */
    text-align: left;
    gap: var(--space-3);
    background: transparent;
}

@media (min-width: 768px) {
    .grid-group {
        /* Desktop: Vertical layout */
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}

/* Circular Image */
.group-image-circle {
    /* Mobile: Smaller size */
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    /* Prevent squishing */
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.group-image-circle-placeholder {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #E8E6E3, #D0CEC9);
}

@media (min-width: 768px) {

    .group-image-circle,
    .group-image-circle-placeholder {
        /* Desktop: Larger size */
        width: 180px;
        height: 180px;
        margin-bottom: var(--space-2);
    }
}

/* Info Container (Title + Text) */
.group-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Title */
.group-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    /* Slightly smaller on mobile */
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
    line-height: 1.2;
}

@media (min-width: 768px) {
    .group-title {
        font-size: var(--text-2xl);
    }
}

/* Text */
.group-text {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    /* Smaller on mobile */
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .group-text {
        font-size: var(--text-base);
        max-width: 320px;
        margin: 0 auto;
        line-height: 1.7;
    }
}

/* ============================================
   Room 03A Navigation Arrows
   ============================================ */
.room-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    z-index: 20;
    transition: all var(--duration-normal) var(--ease-premium);
    opacity: 0.6;
}

.room-nav-arrow:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}

.room-nav-arrow.nav-left {
    left: 0;
}

.room-nav-arrow.nav-right {
    right: 0;
}

.room-nav-arrow .arrow-text {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    writing-mode: vertical-rl;
    /* Vertical text for style */
    text-orientation: mixed;
    height: 100px;
    /* Force minimum height for vertical rhythm */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile override: Horizontal text at bottom or simple arrows */
@media (max-width: 768px) {
    .room-nav-arrow {
        top: auto;
        bottom: 10%;
        transform: none;
    }

    .room-nav-arrow:hover {
        transform: scale(1.05);
    }

    .room-nav-arrow .arrow-text {
        writing-mode: horizontal-tb;
        height: auto;
        font-size: var(--text-base);
    }
}

.room-nav-arrow .arrow-icon {
    font-size: var(--text-2xl);
    color: var(--color-accent);
    font-weight: 300;
}

#gridHint {
    display: none;
}

.teacher {
    margin-bottom: 1em;
}

.teacher-label {
    font-size: 2em;
}

@media (max-width: 768px) {
    .teacher {
        max-width: 82%;
    }

    .teacher-label {
        font-size: 1em;
    }
}