/* BibleMVP Styles */

/* CSS Variables for theming */
:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-border: #e0e0e0;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-accent: #059669;
    --color-highlight: #fef3c7;
    --color-verse-num: #9ca3af;
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --radius: 6px;
}

/* Dark mode */
.dark {
    --color-bg: #111827;
    --color-surface: #1f2937;
    --color-text: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-border: #374151;
    --color-highlight: #422006;
    --color-verse-num: #6b7280;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 2rem;
}

.reference-input {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}

.input-reference {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 1rem;
}

.input-reference:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Autocomplete */
.autocomplete-wrapper {
    position: relative;
    flex: 1;
}

.autocomplete-wrapper .input-reference {
    width: 100%;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    list-style: none;
    max-height: 240px;
    overflow-y: auto;
    z-index: 150;
    box-shadow: var(--shadow-md);
}

.autocomplete-item {
    padding: 0.625rem 1rem;
    cursor: pointer;
    transition: background 0.15s;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--color-bg);
}

.autocomplete-item.selected {
    background: var(--color-primary);
    color: white;
}

.select-translation {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
}

.btn-go {
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-go:hover {
    background: var(--color-primary-hover);
}

.header-right {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1.25rem;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: var(--color-bg);
}

/* Main Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1rem;
    padding: 1rem;
    max-width: 1600px;
    margin: 0 auto;
    min-height: calc(100vh - 60px);
}

/* Panels */
.panel {
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.panel-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Reading Progress */
.reading-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 1rem;
    flex: 1;
    max-width: 200px;
}

.progress-bar {
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width 0.3s;
}

.reading-progress {
    position: relative;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-text {
    position: absolute;
    right: -3rem;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.panel-body {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

/* Bible Text Panel */
.panel-text {
    max-height: calc(100vh - 100px);
}

.nav-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-nav {
    padding: 0.25rem 0.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--color-text);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-nav:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.verses {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.8;
}

.verse-box {
    margin-bottom: 0.25rem;
    padding: 0.5rem 0.75rem;
    margin-left: -0.75rem;
    margin-right: -0.75rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.verse-box:hover {
    background: rgba(37, 99, 235, 0.04);
    border-color: var(--color-border);
}

.dark .verse-box:hover {
    background: rgba(255, 255, 255, 0.03);
}

.verse-box.verse-highlighted {
    background: var(--color-highlight);
    border-color: rgba(245, 158, 11, 0.3);
}

.verse-box.verse-highlighted:hover {
    background: var(--color-highlight);
}

/* Copy Button */
.btn-copy {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    padding: 0.25rem 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    transition: opacity 0.15s, background 0.15s;
}

.verse-box {
    position: relative;
    padding-right: 3rem;
}

.verse-box:hover .btn-copy {
    opacity: 1;
}

.btn-copy:hover {
    background: var(--color-bg);
}

.verse-num {
    color: var(--color-verse-num);
    font-size: 0.75rem;
    font-family: var(--font-sans);
    margin-right: 0.375rem;
    vertical-align: super;
    font-weight: 600;
}

.verse-text .word {
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.15s;
}

.verse-text .word:hover {
    background: var(--color-highlight);
}

.verse-text .word.selected {
    background: var(--color-highlight);
    font-weight: 500;
}

/* Book Selector */
.book-selector {
    padding: 1rem 0;
}

.book-selector-intro {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.book-section {
    margin-bottom: 2rem;
}

.book-section:last-child {
    margin-bottom: 0;
}

.book-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
}

.book-btn {
    padding: 0.5rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s;
}

.book-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Resources Panel */
.panel-resources {
    max-height: calc(100vh - 100px);
}

.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

/* Drag handle - hidden on desktop */
.tab-drag-handle {
    display: none;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    height: 100%;
}

/* Commentary */
.commentary-entry {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.commentary-entry:last-child {
    border-bottom: none;
}

.commentary-source {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.commentary-content {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Notes */
.notes-editor {
    margin-bottom: 1.5rem;
}

.note-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    resize: vertical;
}

.note-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-save {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.note-card {
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}

.note-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

/* Cross-References */
.crossref-list {
    list-style: none;
}

.crossref-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.crossref-item:last-child {
    border-bottom: none;
}

.crossref-item a {
    color: var(--color-primary);
    text-decoration: none;
}

.crossref-item a:hover {
    text-decoration: underline;
}

/* Verse Preview Tooltip */
.verse-preview-tooltip {
    position: absolute;
    z-index: 300;
    max-width: 320px;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    font-size: 0.9375rem;
    line-height: 1.6;
    pointer-events: none;
}

.preview-ref {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
}

.preview-text {
    font-family: var(--font-serif);
    color: var(--color-text);
}

/* Word Details Panel */
.panel-word {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 300px;
    border-radius: var(--radius) var(--radius) 0 0;
    box-shadow: var(--shadow-md);
    z-index: 50;
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.word-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.word-original {
    font-size: 1.5rem;
    font-weight: 600;
}

.word-transliteration {
    font-style: italic;
    color: var(--color-text-secondary);
}

.word-strongs {
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.word-parsing {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.word-definition {
    margin-bottom: 1rem;
}

.occurrence-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.occurrence-list li a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.occurrence-list li a:hover {
    text-decoration: underline;
}

.more-occurrences {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-body {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

/* Search */
.search-input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-search {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 1rem;
}

.select-scope {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
}

.btn-search {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
}

.search-result {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.15s;
}

.search-result:hover {
    background: var(--color-bg);
}

.result-type {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.result-ref {
    font-weight: 600;
    color: var(--color-primary);
    margin: 0.25rem 0;
}

.result-snippet mark {
    background: var(--color-highlight);
    padding: 0 0.125rem;
}

/* Loading & Error States */
.loading, .error, .empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-secondary);
}

.error {
    color: #dc2626;
}

/* Help Modal */
.help-modal {
    max-width: 500px;
}

.help-section {
    margin-bottom: 1.5rem;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.help-section p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.shortcut {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.shortcut kbd {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
}

.shortcut span {
    color: var(--color-text-secondary);
}

.help-features {
    list-style: none;
    font-size: 0.9375rem;
}

.help-features li {
    padding: 0.375rem 0;
    color: var(--color-text-secondary);
}

.help-features li strong {
    color: var(--color-text);
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .panel-resources {
        max-height: 50vh;
    }

    .panel-word {
        max-height: 50vh;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .header {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }

    .header-left {
        flex: 0 0 auto;
    }

    .logo {
        font-size: 1rem;
    }

    .header-right {
        flex: 0 0 auto;
        gap: 0.25rem;
    }

    .header-center {
        order: 3;
        width: 100%;
        margin: 0;
        max-width: none;
    }

    .reference-input {
        flex-wrap: nowrap;
    }

    .autocomplete-wrapper {
        flex: 1;
        min-width: 0;
    }

    .input-reference {
        width: 100%;
        padding: 0.625rem 0.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .select-translation {
        padding: 0.625rem 0.5rem;
        font-size: 0.875rem;
        flex-shrink: 0;
    }

    .btn-go {
        padding: 0.625rem 0.875rem;
        flex-shrink: 0;
    }

    .btn-icon {
        width: 36px;
        height: 36px;
        font-size: 1.125rem;
    }

    /* Main content spacing */
    .main-content {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .panel-header {
        padding: 0.75rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .panel-header h2 {
        font-size: 1rem;
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .nav-buttons {
        gap: 0.25rem;
        flex-wrap: wrap;
    }

    .btn-nav {
        padding: 0.375rem 0.5rem;
        font-size: 0.8125rem;
    }

    .reading-progress {
        display: none; /* Hide on mobile to save space */
    }

    .panel-body {
        padding: 0.75rem;
    }

    .verses {
        font-size: 1rem;
        line-height: 1.7;
    }

    .verse-box {
        padding: 0.625rem 0.5rem;
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        padding-right: 2.5rem;
    }

    /* Always show copy button on mobile (no hover) */
    .btn-copy {
        opacity: 0.6;
        padding: 0.375rem;
        font-size: 0.8125rem;
    }

    .verse-box:hover .btn-copy,
    .verse-box.verse-highlighted .btn-copy {
        opacity: 1;
    }

    /* Panel tabs */
    .tab-btn {
        padding: 0.625rem 0.5rem;
        font-size: 0.875rem;
    }

    /* Resources panel as bottom sheet on mobile */
    .panel-resources {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: none;
        height: auto;
        border-radius: 1rem 1rem 0 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        z-index: 50;
        transform: translateY(calc(100% - 48px));
        transition: transform 0.3s ease;
    }

    .panel-resources.expanded {
        transform: translateY(0);
        max-height: 60vh;
    }

    .panel-resources .panel-tabs {
        position: relative;
    }

    .panel-resources .panel-body {
        max-height: calc(60vh - 48px);
        overflow-y: auto;
    }

    /* Drag handle visible on mobile */
    .tab-drag-handle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: -12px;
        left: 50%;
        transform: translateX(-50%);
        width: 48px;
        height: 24px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-bottom: none;
        border-radius: 8px 8px 0 0;
        cursor: pointer;
        z-index: 1;
    }

    .drag-indicator {
        width: 32px;
        height: 4px;
        background: var(--color-border);
        border-radius: 2px;
    }

    /* Give main content room for collapsed panel */
    .main-content {
        padding-bottom: 60px;
    }

    .panel-text {
        max-height: calc(100vh - 160px);
    }

    /* Modals */
    .modal {
        width: 95%;
        max-height: 85vh;
        margin: 0.5rem;
    }

    .search-input-group {
        flex-wrap: wrap;
    }

    .input-search {
        flex: 1 1 100%;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .select-scope {
        flex: 1;
    }

    .btn-search {
        flex: 0 0 auto;
    }

    /* Help modal */
    .help-modal {
        max-width: none;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    /* Word panel on mobile */
    .panel-word {
        max-height: 40vh;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .nav-buttons {
        width: 100%;
        justify-content: space-between;
    }

    .btn-nav {
        flex: 1;
        text-align: center;
    }
}