/* ============================================
   Display Density Modes for Hebrew Bible Text
   Version: 1.0.0
   Date: December 5, 2025
   ============================================ */

/* Base verse container styles */
.verse-container {
    direction: rtl;
    font-family: 'SBL Hebrew', 'Taamey Frank CLM', 'Ezra SIL', serif;
    transition: font-size 0.3s ease, line-height 0.3s ease;
}

.verse-number {
    font-family: sans-serif;
    color: #666;
    user-select: none;
}

/* ============================================
   HIGH DENSITY MODE
   Traditional sefer-style layout
   ============================================ */

/* Support both patterns: .high-density as parent or as class on element itself */
.verse-display.high-density,
.high-density .verse-container,
.verse-container.high-density {
    font-size: calc(18px * var(--font-size-multiplier, 1)) !important;
    line-height: 1.45 !important;
}

.high-density .verse,
.verse-container.high-density .verse {
    display: inline;
    margin-bottom: 0;
}

.high-density .verse-number,
.verse-container.high-density .verse-number {
    vertical-align: super;
    font-size: 0.7em;
    margin-inline-start: 0.3em;
    font-weight: normal;
}

/* Compact spacing for high density */
.high-density .verse-display-line,
.verse-container.high-density .verse-display-line {
    padding: 0.5em 0;
}

.high-density .verse-display-block,
.verse-container.high-density .verse-display-block {
    padding: 0.5em 0;
}

/* ============================================
   LOW DENSITY MODE
   Modern, spacious Sefaria-style layout
   ============================================ */

/* Support both patterns: .low-density as parent or as class on element itself */
.verse-display.low-density,
.low-density .verse-container,
.verse-container.low-density {
    font-size: calc(24px * var(--font-size-multiplier, 1)) !important;
    line-height: 1.9 !important;
}

.low-density .verse,
.verse-container.low-density .verse {
    display: block;
    margin-bottom: 1em;
}

.low-density .verse-number,
.verse-container.low-density .verse-number {
    font-size: 0.75em;
    margin-inline-start: 0.5em;
    font-weight: 500;
    color: #888;
}

/* Generous spacing for low density */
.low-density .verse-display-line,
.verse-container.low-density .verse-display-line {
    padding: 1em 0;
}

.low-density .verse-display-block,
.verse-container.low-density .verse-display-block {
    padding: 1em 0;
}

.low-density .verse-text,
.verse-container.low-density .verse-text {
    padding: 0.25em 0;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

/* Mobile devices */
@media (max-width: 768px) {
    .high-density .verse-container,
    .verse-container.high-density {
        font-size: calc(16px * var(--font-size-multiplier, 1)) !important;
        line-height: 1.5 !important;
    }

    .low-density .verse-container,
    .verse-container.low-density {
        font-size: calc(22px * var(--font-size-multiplier, 1)) !important;
        line-height: 2.0 !important;
    }
}

/* Tablet devices */
@media (min-width: 769px) and (max-width: 1024px) {
    .high-density .verse-container,
    .verse-container.high-density {
        font-size: calc(17px * var(--font-size-multiplier, 1)) !important;
    }

    .low-density .verse-container,
    .verse-container.low-density {
        font-size: calc(23px * var(--font-size-multiplier, 1)) !important;
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .low-density .verse-container,
    .verse-container.low-density {
        font-size: calc(26px * var(--font-size-multiplier, 1)) !important;
        line-height: 2.0 !important;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    /* Always use high density for printing */
    .verse-container {
        font-size: 12pt;
        line-height: 1.4;
    }

    .verse {
        display: inline;
        margin-bottom: 0;
    }

    .verse-number {
        vertical-align: super;
        font-size: 0.7em;
    }
}

/* ============================================
   DENSITY TOGGLE UI
   ============================================ */

.density-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--background-color, #f8f5f0);
    border-radius: 0.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.density-toggle-label {
    font-weight: 500;
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-color, #333);
}

.density-toggle-wrapper .btn-group {
    border-radius: 0.375rem;
}

.density-toggle-wrapper .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.density-toggle-wrapper .btn:hover {
    transform: translateY(-1px);
}

.density-toggle-wrapper .btn-check:checked + .btn {
    background-color: var(--primary-color, #3a5a78);
    border-color: var(--primary-color, #3a5a78);
    color: white;
}

/* Mobile responsive */
@media (max-width: 576px) {
    .density-toggle-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .density-toggle-label {
        text-align: center;
    }

    .density-toggle-wrapper .btn-group {
        width: 100%;
    }

    .density-toggle-wrapper .btn {
        flex: 1;
        justify-content: center;
    }
}