/* ============================================
   BIBLIA VERSIONES - Selector, Paralelo & Comparador
   ============================================ */

/* Version selector button in header */
.version-selector-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: transform 0.15s, box-shadow 0.15s;
    margin-left: 8px;
    white-space: nowrap;
}
.version-selector-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(102,126,234,0.4);
}

/* Parallel mode toggle button */
.parallel-toggle-btn {
    background: none;
    border: 1px solid rgba(102,126,234,0.3);
    color: var(--text-secondary, #a5a0c0);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    margin-left: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}
.parallel-toggle-btn:hover,
.parallel-toggle-btn.active {
    background: rgba(102,126,234,0.15);
    color: #818cf8;
    border-color: #667eea;
}

/* Version dropdown */
.version-dropdown {
    display: none;
    position: fixed;
    top: 50px;
    right: 10px;
    background: var(--bg-secondary, #1e1b2e);
    border: 1px solid var(--border-color, #3b3654);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    z-index: 10000;
    padding: 6px;
    min-width: 280px;
    max-height: 70vh;
    overflow-y: auto;
}
.version-dropdown.open { display: block; }

.version-dropdown-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary, #7a7590);
    padding: 8px 12px 4px;
    font-weight: 600;
}

.version-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}
.version-option:hover { background: var(--bg-hover, rgba(102,126,234,0.12)); }
.version-option.active { background: rgba(102,126,234,0.2); }

.version-option-abbr {
    font-weight: 700;
    font-size: 13px;
    color: #818cf8;
    min-width: 42px;
}
.version-option-name {
    font-size: 12.5px;
    color: var(--text-primary, #e2e0f0);
    flex: 1;
}
.version-badge-offline {
    font-size: 9px;
    background: #10b981;
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================
   PARALLEL MODE - Side by Side (YouVersion style)
   ========================================== */
.parallel-container {
    display: none;
    flex-direction: column;
    background: var(--bg-primary, #13111c);
    border-left: 2px solid rgba(102,126,234,0.3);
    min-height: 100vh;
}
.parallel-container.open {
    display: flex;
}

/* Parallel wrapper: holds main + parallel side by side */
.parallel-wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}
.parallel-wrapper > .parallel-main-col {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
}
.parallel-wrapper > .parallel-container {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
}

.parallel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-secondary, #1e1b2e);
    border-bottom: 1px solid var(--border-light, #2d2a40);
    min-height: 46px;
}
.parallel-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}
.parallel-version-select {
    background: var(--bg-primary, #13111c);
    color: var(--text-primary, #e2e0f0);
    border: 1px solid var(--border-color, #3b3654);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.parallel-chapter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #a5a0c0);
}
.parallel-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #a5a0c0);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
}
.parallel-close-btn:hover { color: #f87171; }

.parallel-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    line-height: 1.8;
    font-size: var(--font-size, 18px);
}
.parallel-body .verse {
    display: inline;
}
.parallel-body .verse-num {
    font-size: 0.65em;
    vertical-align: super;
    color: #667eea;
    font-weight: 700;
    margin-right: 2px;
}
.parallel-body .section-title {
    display: block;
    font-weight: 700;
    font-size: 1.1em;
    margin: 20px 0 10px;
    color: var(--text-primary, #e2e0f0);
}
.parallel-body .parallel-loading {
    text-align: center;
    padding: 40px;
    opacity: 0.5;
}

/* ==========================================
   COMPARE PANEL (verse-level, bottom sheet)
   ========================================== */
.compare-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    background: var(--bg-secondary, #1e1b2e);
    border-top: 2px solid #667eea;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
    z-index: 10001;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}
.compare-panel.open { transform: translateY(0); }

.compare-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light, #2d2a40);
}
.compare-title {
    font-weight: 700;
    font-size: 15px;
    color: #818cf8;
}
.compare-close {
    background: none;
    border: none;
    color: var(--text-primary, #e2e0f0);
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
}
.compare-verse-ref {
    text-align: center;
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #a5a0c0);
}
.compare-select-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 16px 10px;
    justify-content: center;
}
.compare-check {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-primary, #e2e0f0);
    cursor: pointer;
    background: rgba(102,126,234,0.08);
    padding: 4px 10px;
    border-radius: 6px;
    transition: background 0.15s;
}
.compare-check:hover { background: rgba(102,126,234,0.18); }
.compare-check input { accent-color: #667eea; }
.compare-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 16px;
}
.compare-loading {
    text-align: center;
    padding: 24px;
    opacity: 0.5;
    font-size: 13px;
}
.compare-card {
    background: var(--bg-hover, rgba(102,126,234,0.06));
    border: 1px solid var(--border-light, #2d2a40);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 10px;
}
.compare-card-header {
    font-weight: 700;
    font-size: 13px;
    color: #818cf8;
    margin-bottom: 6px;
}
.compare-card-name {
    font-weight: 400;
    font-size: 11px;
    opacity: 0.6;
    margin-left: 4px;
}
.compare-card-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary, #e2e0f0);
}

/* ==========================================
   MOBILE
   ========================================== */
/* Mobile: stack vertically */
@media (max-width: 768px) {
    .version-dropdown {
        left: 8px;
        right: 8px;
        min-width: auto;
        max-height: 60vh;
    }
    .compare-panel { max-height: 85vh; }

    .parallel-wrapper {
        flex-direction: column;
    }
    .parallel-wrapper > .parallel-main-col {
        max-height: 45vh;
        font-size: 0.92em;
    }
    .parallel-wrapper > .parallel-container {
        max-height: 45vh;
        border-left: none;
        border-top: 2px solid rgba(102,126,234,0.3);
        font-size: 0.92em;
    }
}
@media (max-width: 480px) {
    .compare-panel {
        max-height: 90vh;
        border-radius: 12px 12px 0 0;
    }
}