/* Global Styles */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, 'David', 'Narkisim', serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-bottom: 2px solid var(--primary-color);
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    direction: ltr;
}

/* Sections */
.section {
    background: var(--surface-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Controls */
.control-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.select-input {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.2s;
    direction: rtl;
}

.select-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-search {
    background-color: var(--success-color);
    color: white;
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 1.1rem;
}

.btn-search:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-1px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Loading Indicator */
.loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Info Box */
.info-box {
    margin-top: 1rem;
    padding: 1rem;
    background-color: #dbeafe;
    border: 1px solid #93c5fd;
    border-radius: 6px;
    direction: rtl;
}

.info-box p {
    margin: 0.25rem 0;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.tab:hover {
    color: var(--primary-color);
}

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

/* Search Modes */
.search-mode {
    display: none;
}

.search-mode.active {
    display: block;
}

.search-box {
    margin-top: 1rem;
}

.search-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1.1rem;
    transition: border-color 0.2s;
    direction: rtl;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-options {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Variant Inputs (Swap Search) */
.variant-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: start;
}

.variant-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.variant-group label {
    font-weight: 600;
}

.variant-separator {
    font-size: 2rem;
    color: var(--text-secondary);
    align-self: center;
}

/* Witness Selection */
.witness-selection {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 6px;
}

.witness-selection summary {
    cursor: pointer;
    font-weight: 600;
    padding: 0.5rem;
    user-select: none;
}

.witness-selection summary:hover {
    color: var(--primary-color);
}

.witness-selection-inline {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: var(--bg-color);
    border-radius: 4px;
}

.witness-selection-inline summary {
    font-size: 0.9rem;
}

.witness-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    margin: 1rem 0;
}

.witness-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.witness-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9rem;
}

.witness-item input[type="checkbox"] {
    cursor: pointer;
}

.witness-item label {
    cursor: pointer;
    flex: 1;
}

.witness-grid.grouped,
.witness-grid-small.grouped {
    display: block;
}

.witness-group,
.witness-script-group {
    margin-bottom: 0.75rem;
}

.witness-group summary,
.witness-script-group summary {
    cursor: pointer;
    user-select: none;
}

.witness-group-summary {
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.witness-group-summary input,
.witness-script-group-summary input {
    margin-inline-end: 0.5rem;
}

.witness-group-summary span,
.witness-script-group-summary span {
    flex: 1;
}

.witness-group-body,
.witness-script-group-body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.witness-group-body {
    margin-inline-start: 0.75rem;
}

.witness-script-group {
    margin-inline-start: 1rem;
}

.witness-script-group-summary {
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.witness-script-group-body {
    margin-inline-start: 0.75rem;
}

.witness-name {
    font-weight: 500;
}

.witness-dating {
    color: var(--text-secondary);
    font-size: 0.85em;
    margin-inline-start: 0.25rem;
}

.result-witness {
    cursor: default;
}

.witness-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* Results */
.results-count {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.results-container {
    max-height: 800px;
    overflow-y: auto;
}

.placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}

.result-item {
    padding: 1.5rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}

.result-item:hover {
    border-color: var(--primary-color);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.result-unit {
    font-weight: 600;
    color: var(--primary-color);
}

.result-witnesses {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-witnesses-badge {
    display: inline-block;
    background-color: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.result-variations-badge {
    display: inline-block;
    background-color: #fee2e2;
    color: #991b1b;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.folding-carrot {
    cursor: pointer;
    font-size: 1.2rem;
    margin-right: 0.5rem;
    user-select: none;
    width: 20px;
    text-align: center;
}

.result-main-info {
    display: flex;
    align-items: center;
}

.result-badges {
    display: flex;
    gap: 0.5rem;
}

.witnesses-container {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 4px;
    border-top: 2px solid var(--border-color);
}

.witnesses-header {
    display: flex;
    font-weight: 600;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.witness-id-header {
    width: 150px;
}

.witness-text-header {
    flex: 1;
}

.witness-row {
    display: flex;
    padding: 0.5rem;
    border-radius: 4px;
}

.witness-row.variation {
    background-color: #fff1f2;
}

.witness-id {
    width: 150px;
    font-weight: 500;
    color: var(--text-secondary);
}

.witness-text {
    flex: 1;
    font-family: 'David', 'Narkisim', serif;
}

.diff-highlight {
    background-color: #fecaca;
    color: #991b1b;
    padding: 0.1rem 0.2rem;
    border-radius: 3px;
}

.result-text {
    font-size: 1.1rem;
    line-height: 1.8;
    direction: rtl;
    margin: 1rem 0;
}

.context-before,
.context-after {
    color: var(--text-secondary);
}

.matched-text {
    background-color: #fef08a;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-weight: 600;
}

.swap-variant {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    font-weight: 600;
}

.variant-a {
    background-color: #dbeafe;
    color: #1e40af;
}

.variant-b {
    background-color: #fce7f3;
    color: #9f1239;
}

.result-variations {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 4px;
}

.result-variations summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    user-select: none;
}

.variations-list {
    margin-top: 0.5rem;
    padding-right: 1rem;
}

.variation-item {
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.witness-label {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .variant-inputs {
        grid-template-columns: 1fr;
    }

    .variant-separator {
        display: none;
    }

    .witness-grid,
    .witness-grid-small {
        grid-template-columns: 1fr;
    }

    .control-group {
        flex-direction: column;
        align-items: stretch;
    }

    .select-input {
        width: 100%;
    }
}

/* Hebrew Text Support */
[dir="rtl"] {
    text-align: right;
}

/* Error Messages */
.error-message {
    padding: 1rem;
    background-color: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
    border-radius: 6px;
    margin: 1rem 0;
}

/* Gap Indicators */
.gap-indicator {
    color: #64748b;
    font-style: italic;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    transition: all 0.2s;
    display: inline-block;
    position: relative;
    user-select: none;
}

.gap-indicator:hover {
    background-color: #e2e8f0;
    color: #1e293b;
}

.gap-indicator.gap-sticky {
    background-color: #dbeafe;
    color: #1e40af;
    font-weight: 600;
}

/* Gap Tooltip Popup */
.gap-tooltip-popup {
    position: absolute;
    bottom: 100%;
    right: 50%;
    transform: translateX(50%);
    margin-bottom: 8px;
    background: white;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 0.75rem;
    min-width: 200px;
    max-width: 400px;
    z-index: 1000;
    font-style: normal;
    text-align: right;
    direction: rtl;
    display: none;
}

.gap-tooltip-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 50%;
    transform: translateX(50%);
    border: 6px solid transparent;
    border-top-color: white;
}

.gap-tooltip-title {
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

.gap-tooltip-witnesses {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.gap-tooltip-row {
    font-size: 0.85rem;
    color: #475569;
    line-height: 1.4;
}

.gap-witness-name {
    font-weight: 600;
    color: #1e293b;
    margin-left: 0.5rem;
}

.gap-tooltip-text {
    font-size: 0.9rem;
    color: #1e293b;
    line-height: 1.6;
    font-family: 'David', 'Narkisim', serif;
    padding: 0.5rem;
    background-color: #f8fafc;
    border-radius: 4px;
}

.gap-tooltip-empty {
    font-size: 0.85rem;
    color: #94a3b8;
    font-style: italic;
}

/* Synopsis Controls */
.synopsis-controls {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.btn-toggle-synopsis {
    background-color: var(--primary-color);
    color: white;
}

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

/* Full Synopsis View */
.synopsis-full-view {
    margin-top: 1rem;
}

.synopsis-scroll-container {
    position: relative;
    overflow-x: auto;
    overflow-y: auto;
    max-height: 600px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.synopsis-table {
    width: auto;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9rem;
}

.synopsis-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
    background-color: var(--bg-color);
}

.synopsis-table th {
    padding: 0.75rem;
    font-weight: 600;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    background-color: var(--bg-color);
}

.synopsis-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    min-width: 80px;
}

/* Synopsis table header cells */
.synopsis-header-witness {
    font-weight: 600;
    color: var(--text-secondary);
    background-color: #f8fafc;
    min-width: 120px !important;
    max-width: 120px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.synopsis-header-position {
    font-weight: 600;
    text-align: center;
    min-width: 80px;
    color: var(--text-secondary);
    background-color: #f8fafc;
}

/* Synopsis table data cells */
.synopsis-cell-witness {
    font-weight: 600;
    color: var(--text-secondary);
    background-color: #f8fafc;
    min-width: 120px !important;
    max-width: 120px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.synopsis-cell-word {
    text-align: center;
    min-width: 80px;
    font-family: 'David', 'Narkisim', serif;
}

.synopsis-cell-word.has-word {
    background-color: white;
}

.synopsis-cell-word.no-word {
    background-color: #f1f5f9;
    color: #94a3b8;
}

.synopsis-cell-word.no-word::after {
    content: '—';
    opacity: 0.3;
}

/* Frozen column (witness name) */
.frozen-col {
    position: sticky;
    right: 0;
    z-index: 3;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
}

.synopsis-table thead th.frozen-col {
    z-index: 4;
}

/* Compact view styling */
.witnesses-compact-view {
    /* Existing styles preserved */
}

/* Swap Types Search Styles */
.swap-types-help {
    background: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
    font-size: 0.95rem;
}

.swap-types-modes {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.mode-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    font-size: 1rem;
}

.mode-btn:hover {
    color: var(--primary-color);
    background: #f1f5f9;
}

.mode-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.swap-types-mode {
    display: none;
    padding: 1rem 0;
}

.swap-types-mode.active {
    display: block;
}

.swap-types-mode label {
    display: block;
    margin: 1rem 0 0.5rem 0;
    font-weight: 500;
}

.swap-types-mode .small-input {
    width: 100px;
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-left: 0.5rem;
}

/* Swap Variants Button */
.btn-icon {
    padding: 0.75rem 1rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: rotate(180deg);
}

.variant-separator {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Swap Types Results */
.swap-types-list {
    display: grid;
    gap: 1rem;
}

.swap-type-item {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    transition: box-shadow 0.2s;
}

.swap-type-item:hover {
    box-shadow: var(--shadow-lg);
}

.swap-type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.swap-type-code {
    background: #f1f5f9;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    direction: ltr;
    display: inline-block;
}

.swap-type-stats {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.swap-type-description {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.btn-explore {
    margin-top: 0.5rem;
}

/* Variants Table */
.variants-table,
.swaps-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.variants-table th,
.swaps-table th {
    background: var(--bg-color);
    padding: 0.75rem;
    text-align: right;
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
}

.variants-table td,
.swaps-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.variants-table tr:hover,
.swaps-table tr:hover {
    background: #f9fafb;
}

.variant-base {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f0f9ff;
    border-radius: 6px;
}

.type-header {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.type-header code {
    background: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    direction: ltr;
}