/* ============================================
   BIBLIA INTERACTIVA RV1960 - ESTILOS
   Con soporte para Dark Mode
   ============================================ */

/* CSS Variables - Light Theme */
:root {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fa;
    --bg-hover: #f0f0f0;
    --bg-active: #e8e8e8;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-heading: #2c3e50;
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    --shadow-sm: rgba(0,0,0,0.05);
    --shadow-md: rgba(0,0,0,0.1);
    --shadow-lg: rgba(0,0,0,0.15);
    --accent-primary: #667eea;
    --accent-hover: #5a6fd6;
    --accent-light: rgba(102,126,234,0.08);
    --accent-border: rgba(102,126,234,0.3);
    --jesus-words: #c41e3a;
    --ref-color: #27ae60;
    --ref-bg: rgba(39,174,96,0.08);
    --verse-num: #667eea;
    --highlight-yellow: rgba(255,235,59,0.3);
    --highlight-green: rgba(76,175,80,0.2);
    --highlight-blue: rgba(33,150,243,0.2);
    --highlight-pink: rgba(233,30,99,0.2);
    --highlight-orange: rgba(255,152,0,0.2);
    --favorite-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --scrollbar-bg: #f0f0f0;
    --scrollbar-thumb: #c0c0c0;
    --modal-overlay: rgba(0,0,0,0.5);
    --toast-bg: #333;
    --toast-text: #fff;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #1a1a2e;
    --bg-hover: #1f2b47;
    --bg-active: #253351;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --text-heading: #e8e8e8;
    --border-color: #2a3a5c;
    --border-light: #1f2b47;
    --shadow-sm: rgba(0,0,0,0.2);
    --shadow-md: rgba(0,0,0,0.3);
    --shadow-lg: rgba(0,0,0,0.4);
    --accent-primary: #7c93ed;
    --accent-hover: #8fa2f0;
    --accent-light: rgba(124,147,237,0.12);
    --accent-border: rgba(124,147,237,0.4);
    --jesus-words: #ef5350;
    --ref-color: #4caf50;
    --ref-bg: rgba(76,175,80,0.12);
    --verse-num: #7c93ed;
    --highlight-yellow: rgba(255,235,59,0.2);
    --highlight-green: rgba(76,175,80,0.15);
    --highlight-blue: rgba(33,150,243,0.15);
    --highlight-pink: rgba(233,30,99,0.15);
    --highlight-orange: rgba(255,152,0,0.15);
    --scrollbar-bg: #1a1a2e;
    --scrollbar-thumb: #3a4a6c;
    --modal-overlay: rgba(0,0,0,0.7);
    --toast-bg: #2a3a5c;
    --toast-text: #e0e0e0;
}

/* ============ RESET & BASE ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { opacity: 0.8; }

/* ============ HEADER ============ */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    box-shadow: 0 2px 4px var(--shadow-sm);
    transition: background-color 0.3s, border-color 0.3s;
}

.header-content {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-heading);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.version-badge {
    background: var(--accent-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8em;
    font-weight: 500;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
    transition: all 0.3s;
    color: var(--text-primary);
}
.theme-toggle:hover {
    border-color: var(--accent-primary);
    transform: rotate(30deg);
}

/* ============ VERSE OF THE DAY ============ */
.verse-of-day {
    background: linear-gradient(135deg, var(--accent-primary), #764ba2);
    color: white;
    padding: 16px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.verse-of-day:hover { filter: brightness(1.05); }
.verse-of-day-label {
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.85;
    margin-bottom: 6px;
}
.verse-of-day-text {
    font-size: 1em;
    font-style: italic;
    line-height: 1.5;
    max-width: 700px;
    margin: 0 auto 4px;
}
.verse-of-day-ref {
    font-size: 0.85em;
    font-weight: 600;
    opacity: 0.9;
}
.verse-of-day .share-votd {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    justify-content: center;
}
.verse-of-day .share-votd:hover { background: rgba(255,255,255,0.3); }

/* ============ NAV BAR ============ */
.nav-bar {
    background: var(--bg-secondary);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px var(--shadow-sm);
    transition: background-color 0.3s, border-color 0.3s;
}

.nav-content {
    max-width: 960px;
    margin: 0 auto;
}

.nav-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* Book Selector */
.book-selector-wrapper {
    position: relative;
    flex: 1;
    min-width: 160px;
}

.book-selector-btn {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95em;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}
.book-selector-btn:hover, .book-selector-btn:focus {
    border-color: var(--accent-primary);
    outline: none;
}
.book-selector-btn .arrow { transition: transform 0.2s; }
.book-selector-btn.open .arrow { transform: rotate(180deg); }

.book-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow-lg);
    z-index: 200;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
}
.book-dropdown.active { display: block; }

.testament-label {
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-tertiary);
    padding: 8px 6px 4px;
    font-weight: 600;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 4px;
    margin-bottom: 8px;
}

.book-item {
    padding: 7px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82em;
    transition: all 0.15s;
    text-align: center;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid transparent;
}
.book-item:hover {
    background: var(--accent-light);
    border-color: var(--accent-border);
    color: var(--accent-primary);
}
.book-item.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Chapter selector */
.chapter-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chapter-grid-wrapper {
    position: relative;
}

.chapter-btn {
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.95em;
    min-width: 80px;
    text-align: center;
    transition: all 0.2s;
}
.chapter-btn:hover { border-color: var(--accent-primary); }

.chapter-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow-lg);
    z-index: 200;
    padding: 10px;
    min-width: 250px;
    max-height: 300px;
    overflow-y: auto;
}
.chapter-dropdown.active { display: block; }

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.chapter-item {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.15s;
    color: var(--text-primary);
    background: var(--bg-tertiary);
}
.chapter-item:hover {
    background: var(--accent-light);
    color: var(--accent-primary);
}
.chapter-item.active {
    background: var(--accent-primary);
    color: white;
}

/* Nav buttons */
.nav-btn {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}
.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Search */
.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 350px;
}

.search-input {
    width: 100%;
    padding: 10px 14px 10px 36px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9em;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.2s;
}
.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}
.search-input::placeholder { color: var(--text-tertiary); }

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.85em;
}

.search-results {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--shadow-lg);
    z-index: 200;
    max-height: 350px;
    overflow-y: auto;
}
.search-results.active { display: block; }

.search-result-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.15s;
}
.search-result-item:hover { background: var(--bg-hover); }
.search-result-item:last-child { border-bottom: none; }
.search-result-ref {
    font-weight: 600;
    font-size: 0.85em;
    color: var(--accent-primary);
    margin-bottom: 2px;
}
.search-result-text {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.4;
}
.search-result-text mark {
    background: var(--highlight-yellow);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}
.search-no-results {
    padding: 20px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9em;
}

/* Toolbar row */
.toolbar-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-top: 10px;
    flex-wrap: wrap;
}

.toolbar-btn {
    padding: 6px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8em;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
.toolbar-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}
.toolbar-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Font size buttons */
.font-controls {
    display: flex;
    gap: 2px;
    margin-left: auto;
}
.font-btn {
    width: 30px;
    height: 30px;
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75em;
    font-weight: 600;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.font-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.font-btn.active { background: var(--accent-primary); color: white; border-color: var(--accent-primary); }

/* ============ READING PROGRESS ============ */
.reading-progress-bar {
    height: 3px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}
.reading-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), #764ba2);
    transition: width 0.5s ease;
    width: 0%;
}

/* ============ MAIN CONTENT ============ */
.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    gap: 20px;
}

.reading-area {
    flex: 1;
    min-width: 0;
}

/* Chapter Header */
.chapter-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}
.chapter-title {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 4px;
}
.chapter-subtitle {
    font-size: 0.85em;
    color: var(--text-tertiary);
}

/* Verses */
.verse-container {
    line-height: 1.85;
    font-size: 1.05em;
}

/* Font sizes */
.font-sm .verse-container { font-size: 0.9em; }
.font-md .verse-container { font-size: 1em; }
.font-lg .verse-container { font-size: 1.1em; }
.font-xl .verse-container { font-size: 1.2em; }

.verse {
    display: inline;
    position: relative;
    cursor: pointer;
    padding: 1px 0;
    border-radius: 3px;
    transition: background 0.15s;
}
.verse:hover { background: var(--accent-light); }
.verse.selected { background: var(--accent-light); }

.verse-num {
    font-size: 0.7em;
    font-weight: 700;
    color: var(--verse-num);
    vertical-align: super;
    margin-right: 2px;
    cursor: pointer;
}

.verse.jesus-words {
    color: var(--jesus-words);
}

.verse.favorite::after {
    content: '\2665';
    font-size: 0.6em;
    color: var(--favorite-color);
    vertical-align: super;
    margin-left: 1px;
}

/* Highlight colors */
.verse.highlight-yellow { background: var(--highlight-yellow); }
.verse.highlight-green { background: var(--highlight-green); }
.verse.highlight-blue { background: var(--highlight-blue); }
.verse.highlight-pink { background: var(--highlight-pink); }
.verse.highlight-orange { background: var(--highlight-orange); }

.verse.has-note::before {
    content: '\270E';
    font-size: 0.6em;
    color: var(--warning-color);
    vertical-align: super;
    margin-right: 1px;
}

/* Section Titles */
.section-title {
    display: block;
    font-size: 1.1em;
    font-weight: 700;
    color: var(--text-heading);
    margin: 22px 0 10px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-light);
}
.section-title:first-child { margin-top: 0; }

/* Cross references */
.cross-ref {
    font-size: 0.65em;
    color: var(--ref-color);
    cursor: pointer;
    vertical-align: super;
    font-weight: 600;
    margin-left: 2px;
    padding: 1px 3px;
    border-radius: 3px;
    transition: background 0.15s;
}
.cross-ref:hover { background: var(--ref-bg); }

/* Concordance words */
.concordance-word {
    border-bottom: 1px dotted var(--accent-primary);
    cursor: pointer;
    transition: background 0.15s;
}
.concordance-word:hover { background: var(--accent-light); }

/* ============ VERSE ACTION MENU ============ */
.verse-actions {
    display: none;
    position: fixed;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px var(--shadow-lg);
    z-index: 9999;
    padding: 8px;
    min-width: 210px;
    max-height: 80vh;
    overflow-y: auto;
    transform: translate(-50%, 0);
}
.verse-actions.active { display: block; }
.verse-action-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 8px;
}

.verse-action-header {
    font-size: 0.75em;
    color: var(--text-tertiary);
    padding: 4px 8px 6px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 4px;
}

.verse-action-btn {
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85em;
    text-align: left;
    border-radius: 6px;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.verse-action-btn:hover { background: var(--bg-hover); }
.verse-action-btn .icon { width: 18px; text-align: center; }

/* Highlight color picker in menu */
.highlight-colors {
    display: flex;
    gap: 6px;
    padding: 6px 8px;
}
.highlight-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.15s;
}
.highlight-dot:hover { transform: scale(1.2); }
.highlight-dot.active { border-color: var(--text-primary); }
.highlight-dot.yellow { background: #ffeb3b; }
.highlight-dot.green { background: #4caf50; }
.highlight-dot.blue { background: #2196f3; }
.highlight-dot.pink { background: #e91e63; }
.highlight-dot.orange { background: #ff9800; }
.highlight-dot.none { background: var(--bg-tertiary); border: 2px dashed var(--border-color); font-size: 0.7em; display: flex; align-items: center; justify-content: center; }

/* ============ NOTES PANEL ============ */
.note-editor {
    display: none;
    position: fixed;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px var(--shadow-lg);
    z-index: 350;
    width: 320px;
    padding: 16px;
}
.note-editor.active { display: block; }

.note-editor-title {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.note-textarea {
    width: 100%;
    min-height: 100px;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9em;
    resize: vertical;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}
.note-textarea:focus { outline: none; border-color: var(--accent-primary); }

.note-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    justify-content: flex-end;
}
.note-save-btn, .note-delete-btn, .note-cancel-btn {
    padding: 6px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82em;
    font-weight: 500;
    transition: all 0.2s;
}
.note-save-btn { background: var(--accent-primary); color: white; }
.note-save-btn:hover { background: var(--accent-hover); }
.note-delete-btn { background: var(--favorite-color); color: white; }
.note-delete-btn:hover { opacity: 0.85; }
.note-cancel-btn { background: var(--bg-tertiary); color: var(--text-secondary); }
.note-cancel-btn:hover { background: var(--bg-hover); }

/* ============ SIDEBARS ============ */
.sidebar {
    display: none;
    position: fixed;
    top: 0;
    bottom: 0;
    width: 380px;
    background: var(--bg-secondary);
    box-shadow: -4px 0 20px var(--shadow-md);
    z-index: 150;
    overflow-y: auto;
    transition: transform 0.3s ease;
}
.sidebar.active { display: block; }
.sidebar-right { right: 0; }
.sidebar-left { left: 0; }

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 5;
}
.sidebar-title {
    font-size: 1em;
    font-weight: 600;
    color: var(--text-heading);
}
.sidebar-close {
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 4px;
    border-radius: 4px;
    transition: all 0.15s;
}
.sidebar-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.sidebar-body { padding: 16px; }

/* References sidebar items */
.ref-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background 0.15s;
    border-radius: 6px;
    margin-bottom: 4px;
}
.ref-item:hover { background: var(--bg-hover); }
.ref-item-header {
    font-weight: 600;
    font-size: 0.85em;
    color: var(--accent-primary);
    margin-bottom: 3px;
}
.ref-item-text {
    font-size: 0.82em;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Concordance sidebar */
.concordance-word-title {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 4px;
}
.concordance-count {
    font-size: 0.8em;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}
.concordance-item {
    padding: 8px 10px;
    border-left: 3px solid var(--accent-primary);
    margin-bottom: 8px;
    border-radius: 0 6px 6px 0;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: background 0.15s;
}
.concordance-item:hover { background: var(--bg-hover); }
.concordance-item-ref {
    font-weight: 600;
    font-size: 0.8em;
    color: var(--accent-primary);
}
.concordance-item-text {
    font-size: 0.82em;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Favorites sidebar */
.favorites-list, .notes-list, .history-list {
    list-style: none;
}
.favorites-list li, .notes-list li, .history-list li {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background 0.15s;
    border-radius: 6px;
    margin-bottom: 2px;
}
.favorites-list li:hover, .notes-list li:hover, .history-list li:hover {
    background: var(--bg-hover);
}
.fav-ref, .note-ref, .history-ref {
    font-weight: 600;
    font-size: 0.85em;
    color: var(--accent-primary);
}
.fav-text, .note-text, .history-text {
    font-size: 0.82em;
    color: var(--text-secondary);
    margin-top: 2px;
    line-height: 1.4;
}
.history-date {
    font-size: 0.72em;
    color: var(--text-tertiary);
    margin-top: 2px;
}
.fav-remove, .note-remove {
    float: right;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 0.9em;
    padding: 2px 6px;
    border-radius: 4px;
}
.fav-remove:hover, .note-remove:hover { background: var(--bg-hover); color: var(--favorite-color); }

.sidebar-empty {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-tertiary);
    font-size: 0.9em;
}
.sidebar-empty-icon {
    font-size: 2em;
    margin-bottom: 8px;
    opacity: 0.5;
}

/* Sidebar tabs */
.sidebar-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
}
.sidebar-tab {
    flex: 1;
    padding: 10px 8px;
    border: none;
    background: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 0.8em;
    font-weight: 500;
    text-align: center;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}
.sidebar-tab:hover { color: var(--text-primary); }
.sidebar-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* ============ TOAST NOTIFICATION ============ */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 500;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}
.toast {
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.85em;
    box-shadow: 0 4px 16px var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 350px;
    text-align: center;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }

/* ============ WELCOME SCREEN ============ */
.welcome-screen {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}
.welcome-icon { font-size: 3em; margin-bottom: 16px; opacity: 0.4; }
.welcome-title { font-size: 1.3em; font-weight: 600; color: var(--text-heading); margin-bottom: 8px; }
.welcome-subtitle { font-size: 0.95em; margin-bottom: 20px; }
.welcome-resume {
    display: inline-block;
    padding: 10px 24px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    transition: all 0.2s;
    margin-top: 10px;
}
.welcome-resume:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Reading stats */
.reading-stats {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 24px;
    flex-wrap: wrap;
}
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 24px;
    text-align: center;
    min-width: 100px;
}
.stat-number {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--accent-primary);
}
.stat-label {
    font-size: 0.75em;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ============ OVERLAY ============ */
.overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--modal-overlay);
    z-index: 140;
}
.overlay.active { display: block; }

/* ============ FOOTER ============ */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-tertiary);
    font-size: 0.8em;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    background: var(--bg-secondary);
}
.app-version {
    opacity: 0.85;
    font-size: 0.9em;
    font-weight: 500;
}

/* ============ TABLET (1024px) ============ */
@media (max-width: 1024px) {
    .main-content { max-width: 100%; padding: 16px 12px; }
    .header-content { max-width: 100%; }
    .nav-content { max-width: 100%; }
    .sidebar { width: min(380px, 85vw); }
    .book-dropdown { max-height: min(400px, 60vh); }
}

/* ============ MOBILE (768px) ============ */
@media (max-width: 768px) {
    .main-content { padding: 10px 8px 140px; }
    .nav-bar { padding: 10px 10px; }
    .nav-row { flex-direction: column; gap: 8px; }
    .search-wrapper { max-width: 100%; min-width: min(200px, 100%); }
    .book-selector-wrapper { min-width: 100%; }
    .sidebar { width: 100% !important; }

    /* Header compact */
    .header { padding: 8px 12px; }
    .logo { font-size: clamp(0.9em, 3vw, 1.15em); }
    .header-right { gap: 6px; }
    .version-badge { font-size: 0.7em; padding: 3px 8px; }
    .theme-toggle { width: 36px; height: 36px; font-size: 0.95em; }

    /* Verse of the day compact */
    .verse-of-day { padding: 10px 14px; }
    .verse-of-day-label { font-size: 0.65em; letter-spacing: 1.5px; margin-bottom: 4px; }
    .verse-of-day-text { font-size: 0.85em; }
    .verse-of-day .share-votd { display: none; }

    /* Toolbar scrollable horizontal */
    .toolbar-row {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        margin-top: 8px;
        position: relative;
    }
    /* Fade hint for scrollable toolbar */
    .toolbar-row::after {
        content: '';
        position: sticky;
        right: 0;
        flex-shrink: 0;
        width: 28px;
        min-height: 1px;
        background: linear-gradient(to right, transparent, var(--bg-secondary, #fff));
        pointer-events: none;
    }
    .toolbar-btn { flex-shrink: 0; font-size: 0.78em; padding: 6px 10px; min-height: 36px; }
    .font-controls { display: none; }

    /* Chapter nav compact */
    .chapter-nav { width: 100%; justify-content: center; }
    .chapter-title { font-size: clamp(1.1em, 3.5vw, 1.4em); }
    .chapter-subtitle { font-size: 0.78em; }
    .verse-container { font-size: 1em; }

    /* Book dropdown */
    .book-dropdown {
        max-height: min(400px, 60vh);
        left: -10px;
        right: -10px;
    }
    .book-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }

    /* Chapter dropdown centered */
    .chapter-dropdown {
        min-width: min(250px, 80vw);
        max-height: 50vh;
    }

    /* Search results */
    .search-results { max-height: 50vh; }

    /* Verse action menu → bottom sheet on mobile */
    .verse-actions {
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        transform: none !important;
        border-radius: 16px 16px 0 0;
        min-width: unset;
        width: 100%;
        max-height: 75vh;
        overflow-y: auto;
        padding: 6px 16px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
        box-shadow: 0 -4px 24px var(--shadow-lg);
        animation: slideUpSheet 0.25s ease;
    }
    /* Drag handle indicator */
    .verse-actions::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--border-color);
        border-radius: 2px;
        margin: 6px auto 8px;
    }
    .verse-action-btn { padding: 12px 12px; font-size: 0.9em; min-height: 44px; }
    .verse-action-header { padding: 6px 8px 10px; font-size: 0.8em; }
    .highlight-colors { padding: 8px; gap: 10px; justify-content: center; }
    .highlight-dot { width: 32px; height: 32px; }

    /* Note editor → bottom sheet */
    .note-editor {
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100% !important;
        border-radius: 16px 16px 0 0;
        padding: 16px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        box-shadow: 0 -4px 24px var(--shadow-lg);
        animation: slideUpSheet 0.25s ease;
    }

    /* Stats */
    .reading-stats { gap: 8px; }
    .stat-card { padding: 10px 14px; min-width: 70px; }
    .stat-number { font-size: 1.2em; }

    /* Welcome */
    .welcome-screen { padding: 30px 16px; }
    .welcome-icon { font-size: 2.4em; }
    .welcome-title { font-size: 1.1em; }

    /* Toast above mobile nav */
    .toast-container { bottom: 80px; }
    .toast { max-width: calc(100vw - 32px); }

    /* Footer slim */
    .footer { padding: 12px; font-size: 0.7em; margin-top: 20px; }

    /* Mobile nav arrows */
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        left: 50%;
        transform: translateX(-50%);
        gap: 10px;
        z-index: 90;
        /* Centrar dejando espacio para el bot toggle a la derecha */
        margin-right: 72px;
    }
    .mobile-nav-btn {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--accent-primary);
        color: white;
        border: none;
        font-size: 1.2em;
        cursor: pointer;
        box-shadow: 0 4px 12px var(--shadow-md);
        display: flex;
        align-items: center;
        justify-content: center;
        /* Área táctil mínima recomendada (44px iOS, 48dp Android) */
        min-width: 48px;
        min-height: 48px;
        touch-action: manipulation;
    }
}

/* Small phones (≤400px) */
@media (max-width: 400px) {
    .header { padding: 6px 8px; }
    .logo { font-size: 0.85em; }
    .nav-bar { padding: 8px; }
    .book-selector-btn { padding: 8px 10px; font-size: 0.85em; }
    .nav-btn { padding: 6px 8px; font-size: 0.85em; }
    .chapter-btn { padding: 8px 10px; min-width: 56px; font-size: 0.85em; }
    .search-input { padding: 8px 10px 8px 32px; font-size: 0.85em; }
    .main-content { padding: 6px 4px 80px; }
    .chapter-header { margin-bottom: 14px; padding-bottom: 8px; }
    .verse-container { line-height: 1.75; }
    .toolbar-btn { font-size: 0.72em; padding: 5px 8px; }
}

@media (min-width: 769px) {
    .mobile-nav { display: none; }
}

/* Landscape on phones */
@media (max-width: 768px) and (orientation: landscape) and (max-height: 500px) {
    .verse-of-day { display: none; }
    .header { padding: 4px 12px; }
    .nav-bar { padding: 6px 10px; }
    .toolbar-row { margin-top: 4px; }
    .main-content { padding-top: 6px; }
}

/* Bottom sheet animation */
@keyframes slideUpSheet {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Safe area for notched phones */
@supports (padding: env(safe-area-inset-bottom)) {
    .mobile-nav {
        bottom: calc(16px + env(safe-area-inset-bottom));
    }
    .toast-container {
        bottom: calc(80px + env(safe-area-inset-bottom));
    }
}

/* ============ ANIMATIONS ============ */
@media (prefers-reduced-motion: no-preference) {
    .verse-container { animation: fadeIn 0.3s ease; }
    .sidebar { animation: slideIn 0.3s ease; }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
.sidebar-left { animation-name: slideInLeft; }
@keyframes slideInLeft { from { transform: translateX(-100%); } to { transform: translateX(0); } }

/* ==========================================
   YouVersion Videos Section
   ========================================== */
.yv-section {
    margin-top: 40px;
    padding: 0 0 32px;
    border-top: 1px solid var(--border-color);
}

.yv-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 14px;
    padding-top: 20px;
}

.yv-header-icon { font-size: 1rem; }

.yv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
}

.yv-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--yv-bg, var(--bg-secondary));
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--yv-border, var(--accent-primary));
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.yv-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--text-primary);
}

.yv-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.yv-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.yv-titulo {
    font-size: 0.88rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-heading);
}

.yv-coleccion {
    font-size: 0.74rem;
    color: var(--text-secondary);
}

.yv-arrow {
    color: var(--text-secondary);
    font-size: 1rem;
    flex-shrink: 0;
    transition: transform 0.15s ease;
}

.yv-card:hover .yv-arrow { transform: translateX(3px); }

@media (max-width: 600px) {
    .yv-grid { grid-template-columns: 1fr; }
}

/* ==========================================
   Video Player Panel
   ========================================== */
.video-panel {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: min(640px, calc(100vw - 32px));
    height: min(420px, calc(100vh - 80px));
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.35);
    z-index: 9000;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.25s ease, height 0.25s ease, bottom 0.25s ease, right 0.25s ease;
}

.video-panel.active {
    display: flex;
}

.video-panel.expanded {
    width: min(920px, calc(100vw - 32px));
    height: min(580px, calc(100vh - 48px));
    bottom: 16px;
    right: 16px;
}

.video-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-heading);
    cursor: default;
    flex-shrink: 0;
    gap: 8px;
}

#videoPanelTitle {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vp-header-btns {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.vp-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 3px 7px;
    transition: background 0.15s, color 0.15s;
}

.vp-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.video-panel-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* Player iframe */
.vp-player-wrap {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vp-iframe {
    flex: 1;
    width: 100%;
    border: none;
    display: block;
    min-height: 0;
}

.vp-iframe-fallback {
    display: none;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    gap: 8px;
}

/* Show fallback after 3s if iframe is empty (heuristic: opacity animation) */
.vp-iframe:not([src]) ~ .vp-iframe-fallback,
.vp-iframe[src=""] ~ .vp-iframe-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.vp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
    gap: 8px;
    min-height: 42px;
}

.vp-back {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 4px 10px;
    transition: background 0.15s;
}

.vp-back:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.vp-searching {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.vp-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: vp-spin 0.8s linear infinite;
}

@keyframes vp-spin { to { transform: rotate(360deg); } }

.vp-external-btn {
    font-size: 0.78rem;
    color: var(--accent-primary);
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid var(--accent-border, var(--accent-primary));
    border-radius: 6px;
    transition: background 0.15s;
    margin-left: auto;
}

.vp-external-btn:hover {
    background: var(--accent-light);
    text-decoration: none;
}

/* Video list in panel */
.vp-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px;
}

.vp-list-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: none;
    border-left: 3px solid var(--yv-border, var(--accent-primary));
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: background 0.15s, transform 0.1s;
}

.vp-list-card:hover {
    background: var(--bg-tertiary);
    transform: translateX(2px);
}

.vp-list-icon { font-size: 1.1rem; flex-shrink: 0; width: 24px; text-align: center; }
.vp-list-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.vp-list-titulo { font-size: 0.88rem; font-weight: 600; color: var(--text-heading); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vp-list-col { font-size: 0.73rem; color: var(--text-secondary); }
.vp-list-play { color: var(--accent-primary); font-size: 0.8rem; flex-shrink: 0; }

/* Video buttons inline in verse actions menu */
.yv-menu-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 4px 14px 2px;
}

.yv-menu-btn {
    display: flex !important;
    align-items: center;
    gap: 8px;
    padding: 7px 14px !important;
    text-align: left;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.yv-menu-btn:hover { background: var(--bg-tertiary) !important; }
.yv-menu-icon { font-size: 0.9rem; flex-shrink: 0; width: 18px; text-align: center; }

.yv-menu-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
    flex: 1;
}

.yv-menu-titulo {
    font-size: 0.82rem;
    font-weight: 600;
    color: #4a86e8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.yv-menu-col { font-size: 0.69rem; color: var(--text-secondary); }

/* Cards in chapter-end section — now buttons instead of anchors */
.yv-card {
    background: none;
    border: 1px solid var(--border-color);
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    width: 100%;
}

@media (max-width: 768px) {
    .video-panel {
        width: min(640px, calc(100vw - 16px));
        right: 8px;
        bottom: 80px;
    }
}
@media (max-width: 600px) {
    .video-panel {
        bottom: 0;
        right: 0;
        width: 100vw;
        border-radius: 14px 14px 0 0;
        height: min(480px, 75vh);
    }
    .video-panel.expanded {
        height: 90vh;
        width: 100vw;
        bottom: 0;
        right: 0;
    }
}

/* Print styles */
@media print {
    .nav-bar, .header, .sidebar, .verse-actions, .note-editor,
    .toast-container, .mobile-nav, .verse-of-day, .toolbar-row, .footer { display: none !important; }
    .main-content { max-width: 100%; padding: 0; }
    .verse { cursor: default; }
    .verse:hover { background: none; }
    body { background: white; color: black; }
}