:root {
    --bg-color: #0f0a1e;
    /* Deep Purple Black */
    --text-primary: #e9d5ff;
    /* Light Purple White */
    --text-secondary: #a855f7;
    /* Medium Purple */
    --accent-color: #d8b4fe;
    /* Lavender */
    --accent-glow: rgba(168, 85, 247, 0.4);
    --glass-bg: rgba(26, 11, 46, 0.7);
    /* Deep Purple Glass */
    --glass-border: rgba(168, 85, 247, 0.2);
    --item-hover: rgba(139, 92, 246, 0.2);
    --item-active: rgba(139, 92, 246, 0.4);
    --danger: #f43f5e;
    --success: #34d399;
    --badge-bg: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    background-image:
        radial-gradient(circle at 15% 15%, rgba(126, 34, 206, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(192, 38, 211, 0.15) 0%, transparent 40%);
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.5rem;
    gap: 1.5rem;
    max-width: 1800px;
    margin: 0 auto;
}

/* Glassmorphism */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Header */
header {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.url-selector-container {
    flex: 1;
    max-width: 600px;
    margin-left: 2rem;
}

.url-select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
}

.url-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.header-filters {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge {
    background: var(--badge-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.mini-metrics {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
}

.mini-metrics span {
    color: rgba(255, 255, 255, 0.7);
}

.mini-metrics b {
    color: #fff;
}

/* Main */
main {
    flex: 1;
    min-height: 0;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 350px 1fr;
    gap: 1.5rem;
    height: 100%;
}

.column {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.column-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
}

.column-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.list-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.category-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.category-item:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateX(4px);
}

.center-panel {
    background: rgba(15, 10, 30, 0.8);
    /* Darker center */
}

.alignment-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.score-ring {
    width: 160px;
    height: 160px;
    margin-bottom: 1rem;
}

.ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 8;
}

.ring-progress {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    /* Full circle initially */
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dashoffset 1s ease;
}

.score-text {
    fill: #fff;
    font-size: 1.8rem;
    font-weight: 700;
}

.score-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.alignment-details {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0f0a1e;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(168, 85, 247, 0.3);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none !important;
}

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

.bs-risk {
    color: var(--danger);
    font-weight: bold;
}

/* File Upload */
.file-upload-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#fileInput {
    display: none;
}

.upload-btn {
    background: linear-gradient(135deg, var(--accent-color), var(--text-secondary));
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(168, 85, 247, 0.5);
}

.file-name {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* New Checkbox List Styles */
.checkbox-list {
    padding: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 0.2s;
    cursor: pointer;
}

.checkbox-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.checkbox-item input[type='checkbox'] {
    margin-right: 10px;
    accent-color: var(--accent-color);
    transform: scale(1.1);
    cursor: pointer;
}

.checkbox-item label {
    font-size: 0.9rem;
    color: var(--text-color);
    cursor: pointer;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-input {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: white;
}

.list-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.text-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

.text-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* 3 Circles Visualization */
.circles-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    height: 100%;
}

.circle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.circle-visual {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.circle-visual span {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.circle-visual small {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.circle-visual.text-ring {
    border-color: #3b82f6;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.circle-visual.img-ring {
    border-color: #a855f7;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
}

.circle-visual.overlap-ring {
    border-color: #10b981;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    transform: scale(1.1);
}

.circle-item h3 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.overlap-pct {
    margin-top: 0.5rem;
    font-size: 2rem;
    font-weight: 800;
    color: #10b981;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* Venn Diagram Styles */
.venn-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 320px;
    position: relative;
    margin-top: 1rem;
}

.venn-diagram {
    position: relative;
    width: 320px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.venn-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease;
    border: 2px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
}

.text-circle {
    left: 0;
    background: rgba(59, 130, 246, 0.3);
    /* Blue */
    z-index: 1;
}

.img-circle {
    right: 0;
    background: rgba(168, 85, 247, 0.3);
    /* Purple */
    z-index: 1;
}

.venn-intersection {
    position: absolute;
    z-index: 10;
    text-align: center;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
    pointer-events: none;
    width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Fix Labels Position */
.text-circle .venn-value,
.text-circle .venn-label {
    transform: translateX(-40px);
}

.img-circle .venn-value,
.img-circle .venn-label {
    transform: translateX(40px);
}

.venn-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.9;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.venn-value {
    font-size: 1.3rem;
    font-weight: 800;
}

.venn-intersection .venn-value {
    font-size: 1.5rem;
    color: #34d399;
    /* Green */
}

/* Category List Counts */
.checkbox-item {
    justify-content: space-between;
}

.cat-label-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.cat-count {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 10px;
    color: var(--text-secondary);
}


/* Dual Upload Header */
.dual-upload-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.upload-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.upload-box input {
    display: none;
}

.upload-btn {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blue-btn {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.blue-btn:hover {
    background: rgba(59, 130, 246, 0.3);
}

.purple-btn {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

.purple-btn:hover {
    background: rgba(168, 85, 247, 0.3);
}

.file-name {
    font-size: 0.75rem;
    opacity: 0.7;
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-count {
    font-size: 0.7rem;
    color: #10b981;
}

.intersection-icon {
    font-size: 1.2rem;
    opacity: 0.5;
    color: var(--text-secondary);
}


/* Export Button */
.export-container {
    margin-top: 1rem;
    text-align: center;
}

.export-btn {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.export-btn:hover {
    background: rgba(16, 185, 129, 0.3);
    transform: translateY(-1px);
}


/* Top Pairs */
.top-pairs-container {
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1rem;
    text-align: left;
}

.top-pairs-container h3 {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.pairs-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
}

.pair-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 0.3rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.pair-label {
    display: flex;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.pair-val {
    font-weight: 600;
    color: #fbbf24;
}
/* Header Logo */
.header-top {
    position: relative;
    justify-content: space-between;
}

.logo-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0.5rem;
}

.header-logo {
    height: 40px; /* Adjustable based on preference */
    object-fit: contain;
    opacity: 0.9;
}


/* --- New Filter Styles --- */
.filter-group-new {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,0.3);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
}

.filter-group-new label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.filter-select {
    background: transparent;
    border: none;
    color: white;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.filter-select option {
    background: #1a0b2e;
    color: white;
}

.safety-toggles {
    display: flex;
    gap: 10px;
}

.safety-toggles label {
    font-size: 0.85rem;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    text-transform: none;
}

/* --- Action Buttons --- */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.view-grid-btn {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.4);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.view-grid-btn:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

/* --- Modal & Table --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    width: 90%;
    max-width: 1200px;
    height: 80%;
    display: flex;
    flex-direction: column;
    padding: 0; /* Header/Body handle padding */
    background: #1a0b2e; /* Fallback */
    background: var(--glass-bg);
    overflow: hidden;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.3);
}

.modal-header h3 {
    margin: 0;
    color: var(--accent-color);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
}
.close-btn:hover { color: white; }

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

#dataTable {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.9);
}

#dataTable th {
    text-align: left;
    padding: 12px;
    background: rgba(0,0,0,0.4);
    position: sticky;
    top: 0;
    border-bottom: 2px solid var(--glass-border);
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

#dataTable td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: top;
}

#dataTable tr:hover td {
    background: rgba(255,255,255,0.03);
}

.cell-url {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #60a5fa;
}

.cell-cats {
    max-width: 250px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
}

.safety-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
}
.safety-safe { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.safety-risk { background: rgba(244, 63, 94, 0.2); color: #f43f5e; }


/* --- Tabs --- */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-bottom: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: white;
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

.tab-content {
    display: none;
    height: 100%;
}

.tab-content.active {
    display: block;
}

/* --- Deep Dive (Cosmos) --- */
.cosmos-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    height: calc(100vh - 200px);
    padding: 0 1rem 1rem 1rem;
}

.cosmos-container {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cosmos-header {
    position: absolute;
    top: 1rem;
    left: 1rem;
    pointer-events: none;
    z-index: 10;
}

.cosmos-header h2 {
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.cosmos-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
}

.chart-container {
    flex: 1;
    position: relative;
}

.cosmos-details {
    padding: 1rem;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    min-height: 100px;
    font-size: 0.9rem;
}

/* --- D3 Graph Styles --- */
.node {
    stroke: #fff;
    stroke-width: 1.5px;
    cursor: pointer;
    transition: all 0.3s;
}

.node:hover {
    stroke: #fbbf24;
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.6));
}

.link {
    stroke: #999;
    stroke-opacity: 0.2;
}

.node-label {
    fill: white;
    font-size: 10px;
    pointer-events: none;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}