:root {
    --color-bg: #fafaf8;
    --color-text: #1a1a1a;
    --color-accent: #8b4513;
    --color-muted: #6b6b6b;
    --color-border: #e0e0dc;
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Lato', sans-serif;
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-quick: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(139, 69, 19, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 69, 19, 0.02) 0%, transparent 50%);
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Navigation hint */
.nav-hint {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-muted);
    opacity: 1;
    transition: var(--transition-quick);
    z-index: 100;
    animation: fadeInDown 0.8s ease-out;
}

.nav-hint.hidden {
    opacity: 0;
    pointer-events: none;
}

.nav-hint span {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-right: 0.5rem;
    font-weight: 300;
}

/* Admin link */
.admin-link {
    position: fixed;
    top: 2rem;
    right: 2rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    transition: var(--transition-quick);
    z-index: 100;
    animation: fadeInDown 0.8s ease-out 0.2s backwards;
}

.admin-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Main gallery container */
.gallery-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    position: relative;
    background-image: url('/images/scary.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Content display */
.content-display {
    max-width: 900px;
    width: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: fadeIn 1s ease-out;
}

.content-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.content-item.active {
    opacity: 1;
    pointer-events: auto;
}

.content-item.exiting-left {
    animation: slideOutLeft 0.6s ease-out forwards;
}

.content-item.exiting-right {
    animation: slideOutRight 0.6s ease-out forwards;
}

.content-item.entering-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.content-item.entering-right {
    animation: slideInRight 0.6s ease-out forwards;
}

/* Image display */
.content-image {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* Document display */
.content-document {
    background: white;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    max-height: 70vh;
    overflow-y: auto;
    font-family: var(--font-body);
    line-height: 1.8;
    color: var(--color-text);
}

.content-document h1,
.content-document h2,
.content-document h3 {
    font-family: var(--font-display);
    margin-bottom: 1rem;
    font-weight: 400;
}

.content-document h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.content-document h2 {
    font-size: 2rem;
}

.content-document h3 {
    font-size: 1.5rem;
}

.content-document p {
    margin-bottom: 1rem;
}

/* Text display */
.content-text {
    background: white;
    padding: 4rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    max-height: 70vh;
    overflow-y: auto;
}

.content-text h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.content-text .text-content {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.content-text .text-content p {
    margin-bottom: 1.5rem;
}

/* Navigation arrows */
.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: 1rem;
    transition: var(--transition-quick);
    z-index: 10;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.4s forwards;
}

.nav-arrow:hover {
    color: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

.nav-arrow:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

.nav-arrow:disabled:hover {
    transform: translateY(-50%) scale(1);
    color: var(--color-muted);
}

.nav-arrow svg {
    width: 48px;
    height: 48px;
    display: block;
}

.nav-arrow-left {
    left: 2rem;
}

.nav-arrow-right {
    right: 2rem;
}

/* Progress indicator */
.progress-indicator {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-muted);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.progress-current {
    font-weight: 600;
    color: var(--color-accent);
}

/* Item info */
.item-info {
    position: fixed;
    bottom: 3rem;
    right: 3rem;
    max-width: 300px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.item-info.visible {
    opacity: 1;
    animation: fadeInUp 0.8s ease-out;
}

.item-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text);
}

/* Loading state */
.loading {
    font-family: var(--font-body);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOutLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-100px);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Responsive design */
@media (max-width: 768px) {
    .gallery-container {
        padding: 3rem 1rem;
    }

    .content-text,
    .content-document {
        padding: 2rem;
    }

    .content-text h1 {
        font-size: 2rem;
    }

    .nav-arrow-left {
        left: 0.5rem;
    }

    .nav-arrow-right {
        right: 0.5rem;
    }

    .nav-arrow svg {
        width: 36px;
        height: 36px;
    }

    .item-info {
        bottom: 6rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }

    .progress-indicator {
        bottom: 2rem;
    }

    .admin-link,
    .nav-hint {
        top: 1rem;
    }

    .admin-link {
        right: 1rem;
    }
}

/* Print styles */
@media print {
    .nav-arrow,
    .progress-indicator,
    .admin-link,
    .nav-hint {
        display: none;
    }

    .content-display {
        box-shadow: none;
    }
}