:root {
    --primary-color: #4a3428;
    --secondary-color: #5a504a;
    --text-color: #2d2520;
    --background-color: #3d2f24;
    --card-background: #f5e6d3;
    --shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    --border-radius: 4px;
    --leather-brown: #4a3428;
    --page-cream: #f5e6d3;
    --border-brown: #8b7355;
    --accent-gold: #c9a961;
}

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

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background: linear-gradient(135deg, #3d2f24 0%, #5a4a3d 100%);
    color: var(--text-color);
    line-height: 1.8;
    min-height: 100vh;
    padding: 20px;
}

#app {
    max-width: 800px;
    margin: 0 auto;
    background: var(--leather-brown);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 3px rgba(255, 255, 255, 0.1);
}

.loading {
    text-align: center;
    padding: 40px;
    font-size: 18px;
    color: var(--secondary-color);
}

.error {
    background-color: #e74c3c;
    color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    text-align: center;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: normal;
    letter-spacing: 1px;
}

.date {
    font-size: 14px;
    color: var(--secondary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Verse Cards */
.verses-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.verse-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    padding: 35px 40px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

/* Paper texture */
.verse-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(139, 115, 85, 0.03) 2px,
            rgba(139, 115, 85, 0.03) 4px
        );
    pointer-events: none;
    z-index: 1;
}

/* Page shadow */
.verse-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.05);
    pointer-events: none;
    z-index: 2;
}

.verse-card > * {
    position: relative;
    z-index: 3;
}

.verse-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.verse-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    padding: 5px 14px;
    border-radius: 3px;
}

.verse-label.ot {
    background-color: var(--border-brown);
    color: white;
}

.verse-label.nt {
    background-color: var(--accent-gold);
    color: var(--text-color);
}

.verse-text {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-color);
    text-align: justify;
    text-indent: 25px;
}

.verse-reference {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary-color);
    text-align: right;
    font-style: italic;
}

/* Navigation */
.navigation {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
    padding: 20px 0;
}

.nav-button {
    background-color: var(--leather-brown);
    color: var(--page-cream);
    border: 1px solid var(--border-brown);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Georgia', 'Times New Roman', serif;
    letter-spacing: 1px;
}

.nav-button:hover {
    background-color: var(--border-brown);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav-button:active {
    transform: scale(0.98);
}

.nav-button:disabled {
    background-color: #7a6a5a;
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #7a6a5a;
}

.nav-button:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Update Notification */
.update-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-gold);
    color: var(--text-color);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

.update-notification.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        transform: translateX(-50%) translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

#reload-button {
    background-color: var(--leather-brown);
    color: var(--page-cream);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#reload-button:hover {
    background-color: var(--border-brown);
}

/* Fallback Message */
.fallback-message {
    background-color: var(--card-background);
    color: var(--text-color);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 20px 0;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-brown);
}

.fallback-message h2 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    font-style: italic;
}

.loading {
    text-align: center;
    padding: 40px;
    font-size: 17px;
    color: var(--page-cream);
    font-style: italic;
}

.error {
    background-color: var(--card-background);
    color: #8b4545;
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    text-align: center;
    border: 2px solid #8b4545;
}

/* Responsive Design */
@media (max-width: 600px) {
    body {
        padding: 15px;
    }
    
    #app {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .verse-card {
        padding: 25px 20px;
    }
    
    .verse-text {
        font-size: 16px;
        text-indent: 20px;
    }
    
    .navigation {
        flex-direction: column;
    }
    
    .nav-button {
        width: 100%;
    }
    
    .update-notification {
        flex-direction: column;
        left: 10px;
        right: 10px;
        transform: none;
        text-align: center;
    }
}

/* Offline Indicator */
.offline-indicator {
    background-color: var(--card-background);
    color: #8b4545;
    padding: 10px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid #8b4545;
    margin-bottom: 20px;
}

/* Print Styles */
@media print {
    .navigation,
    .update-notification,
    .footer {
        display: none;
    }
    
    .verse-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}