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

:root {
    --luxury-gold: #D4AF37;
    --eco-green: #228B22;
    --light-green: #e8f5e9;
    --white: #ffffff;
    --text-muted: #6c757d;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-time: 0.3s;
}



/* Container */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Guide Section */
.guide-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    min-height: auto;
    padding: calc(var(--header-height, 140px) + 16px) 1.25rem 64px;
    background: #ffffff;
    border-bottom: 1px solid rgba(54, 98, 46, 0.1);
}

/* Badge */
.guide-info-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--luxury-gold), #B8860B);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 8px var(--shadow-color);
    transition: transform var(--transition-time) ease-in-out, box-shadow var(--transition-time);
    animation: badgePulse 2s infinite;
}

.guide-info-badge:hover {
    transform: translateY(-2px) rotate(2deg);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.guide-info-badge i {
    margin-right: 0.5rem;
    animation: gemSparkle 1s infinite alternate;
}

@keyframes badgePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes gemSparkle {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

/* Title */
.section-title {
    font-size: 2.5rem;
    color: var(--eco-green);
    font-weight: 700;
    text-shadow: 1px 1px 2px var(--shadow-color);
    transition: color var(--transition-time), transform var(--transition-time);
}

.section-title:hover {
    color: var(--luxury-gold);
    transform: scale(1.05);
}

/* Description */
.guide-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
    transition: opacity var(--transition-time);
}

.guide-description:hover {
    opacity: 0.8;
}

.guide-description span {
    display: block;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    color: #a0a0a0;
}

/* Flipbook Container */
.flipbook-premium-container {
    position: relative;
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid rgba(34, 139, 34, 0.12);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    transition: box-shadow var(--transition-time), transform var(--transition-time);
    
    /* Keep the embedded book closer to the visible frame */
    aspect-ratio: 1.62;
    min-height: clamp(640px, 74vh, 860px);
}

.flipbook-premium-container:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.flipbook-premium-container::before {
    display: none;
}

/* Iframe */
.flipbook-premium-iframe {
    width: 100%;
    height: 100% !important;
    border: none;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: #ffffff;
}

/* Controls */
.flipbook-premium-controls {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.flipbook-premium-controls button {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(34, 139, 34, 0.24);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    color: var(--eco-green);
    transition: background var(--transition-time), color var(--transition-time), transform var(--transition-time);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.flipbook-premium-controls button:hover {
    background: var(--luxury-gold);
    color: var(--white);
    transform: translateY(-1px);
}

/* Loading */
.flipbook-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(249, 246, 236, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 20;
    transition: opacity var(--transition-time);
}

.flipbook-premium-container:not(.loading) .flipbook-loading {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--luxury-gold);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress */
.flipbook-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(42, 55, 48, 0.1);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: opacity var(--transition-time);
}

.flipbook-premium-container:not(.loading) .flipbook-progress {
    opacity: 0;
}

.progress-bar {
    width: 100%;
    height: 100%;
    background: transparent;
}

.progress-fill {
    width: 0;
    height: 100%;
    background: linear-gradient(to right, var(--eco-green), var(--luxury-gold));
    transition: width 0.5s;
    animation: progressAnimate 1.8s infinite alternate;
}

@keyframes progressAnimate {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Tooltip */
.premium-tooltip {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(29, 39, 35, 0.78);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    opacity: 0.9;
    transition: opacity var(--transition-time), transform var(--transition-time);
    z-index: 10;
}

.flipbook-premium-container:hover .premium-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .guide-description {
        font-size: 1rem;
    }

    .flipbook-premium-container {
        max-width: 100%;
        border-radius: 14px;
        aspect-ratio: 1.42;
        min-height: 520px;
    }



    .flipbook-premium-controls {
        bottom: 5px;
        right: 5px;
        gap: 0.3rem;
    }

    .flipbook-premium-controls button {
        padding: 0.4rem;
    }

    .premium-tooltip {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Hide controls, tooltips, and progress bars to show only the book */
.flipbook-premium-controls {
    display: none !important;
}
.flipbook-progress, .premium-tooltip {
    display: none !important;
}