@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;700&family=Sora:wght@400;600&display=swap');

:root {
    /* Full Variable Sync for Paper & Ink - Scientific Journal Vibe */
    --bg-color: #f5f5f9;
    --bg-color-secondary: #ffffff;
    --top-bar-bg: #f5f5f9;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --accent-color: #2462eb;
    --accent-glow: #2563eb;
    --accent-flat: #2462eb;
    --text-primary: #1a1a18;
    --text-secondary: #64748b;
    --border-color: #e4e4e4;
    --input-bg: #fafafa;
    --input-bg-focus: #ffffff;
    --toggle-active: #e8f0fa;
    --font-heading: 'Sora', sans-serif;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --border-radius: 8px;
    --rounded-chip-border-radius: 30px;
    --font-weight-medium: 600;
    color-scheme: light;
}

[data-theme="dark"] {
    --bg-color: #000000;
    --bg-color-secondary: #222229;
    --top-bar-bg: #000000;
    --sidebar-bg: #0e0e0e;
    --card-bg: #0e0e0e;
    --accent-color: #2462eb;
    --accent-glow: rgba(56, 189, 248, 0.15);
    --accent-flat: #2462eb;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --input-bg: #0f0f0f;
    --input-bg-focus: #222229;
    --toggle-active: rgba(255, 255, 255, 0.05);
    color-scheme: dark;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    z-index: 1000;
}

.logo-section h1 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-section span {
    color: var(--accent-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
    background-clip: content-box;
}

.filters {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 5px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.filter-group label,
.theme-section label,
.attribution label {
    font-size: 0.7rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

#venue-list label {
    font-size: 0.8rem;
}

.primary-btn {
    background: var(--bg-color);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: var(--rounded-chip-border-radius);
    border: 1px solid var(--border-color);
    font-family: var(--font-heading);
    font-weight: var(--font-weight-medium);
    font-size: 0.85rem;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.primary-btn:hover {
    background: var(--bg-color-secondary);
    border-color: var(--accent-color);
}

.primary-btn:active {
    transform: translateY(1px);
}

/* Main Content Area */
.content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.top-bar {
    height: 120px;
    background: var(--top-bar-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 50;
}

.search-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.search-container {
    position: relative;
    width: 100%;
    max-width: 1250px;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

#search-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem 1rem 3.5rem;
    border-radius: var(--rounded-chip-border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#search-input:hover {
    background: var(--input-bg-focus);
    box-shadow: 0 0 5px 3px var(--border-color);
}

#search-input:focus {
    outline: none;
    background: var(--input-bg-focus);
    box-shadow: 0 0 5px 3px var(--border-color);
}

.status-summary {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding-left: 3.5rem;
    letter-spacing: -0.01em;
}

/* Adjust indent on mobile if menu is visible */
@media (max-width: 992px) {
    .status-summary {
        padding-left: calc(1rem + 24px + 1rem);
        /* gap + btn + gap */
    }
}

/* Main Stage */
.main-stage {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Charts & Cards */
#charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
    /* margin-bottom: 1rem; */
}

.visualizer-card,
.results-table-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 1rem 1rem;
    min-width: 0;
    transition: transform 0.2s ease;
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.0rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* .card-header h2::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color);
} */

.chart-wrapper {
    height: 320px;
    width: 100%;
    position: relative;
}

/* Table Styling */
.results-table-container {
    width: 100%;
    overflow: auto;
    max-height: 700px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    position: relative;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-main);
}

th {
    padding: 1rem;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    text-align: left;
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

td {
    padding: 1.25rem 1rem;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
    line-height: 1.5;
}

tr:last-child td {
    border-bottom: none;
}

tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
}

[data-theme="dark"] tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.015);
}

.year-cell {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-color);
}

.paper-link {
    text-decoration: none;
    color: inherit;
    transition: 0.15s;
    font-weight: 600;
    /* display: inline-flex; */
    align-items: center;
    gap: 6px;
}

.paper-link:hover {
    color: var(--accent-color);
}

.paper-link:hover .external-icon {
    transform: translate(1px, -1px);
    opacity: 1;
}

.external-icon {
    transition: 0.2s;
    opacity: 0.6;
}

.hl {
    background-color: transparent;
    border-bottom: 2px solid var(--accent-color);
    padding: 1px 0;
    font-weight: 600;
}

/* If script provides background, it will win. We keep the underline. */
.hl:not([style*="background"]) {
    background-color: var(--accent-glow);
}

/* Filters */
.range-inputs {
    display: flex;
    gap: 1rem;
}

input[type="number"] {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-mono);
    width: 100%;
    text-align: center;
    font-size: 0.95rem;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--bg-color);
}

.checkbox-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.venue-badge {
    padding: 6px 14px;
    border-radius: var(--rounded-chip-border-radius);
    /* border: 1px solid var(--border-color); */
    font-size: 0.7rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    /* display: inline-block; */
    /* letter-spacing: 0.05em; */
    color: white;
}

.venue-chip {
    cursor: pointer;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--rounded-chip-border-radius);
    font-size: 0.7rem;
    font-weight: var(--font-weight-medium);
    transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    user-select: none;
    color: var(--text-secondary);
    background: var(--bg-color);
}

.venue-chip:hover {
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 12px var(--chip-color)44;
    background: var(--input-bg-focus);
    color: var(--text-primary);
}

.venue-chip input {
    display: none;
}

.venue-chip:has(input:checked) {
    background: var(--chip-color);
    color: white;
    border-color: var(--chip-color);
    box-shadow: 0 4px 12px var(--chip-color)44;
}

/* Attribution & Socials */
.attribution {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.author-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.repo-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-decoration: none;
    transition: 0.2s;
    opacity: 0.7;
}

.repo-badge:hover {
    opacity: 1;
    color: var(--accent-color);
}

.author-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    transition: 0.2s;
}

.author-link:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1.25rem;
    margin-top: 0.25rem;
}

.social-links a {
    color: var(--text-secondary);
    transition: 0.2s;
    display: flex;
    align-items: center;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Theme Toggles */
.theme-section {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.theme-switcher {
    display: flex;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.theme-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.75rem;
    font-weight: 600;
}

.theme-btn.active {
    background: var(--bg-color-secondary);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Status & Loading */
.loading-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-color);
    font-size: 0.85rem;
    /* border-radius: var(--border-radius); */
    /* border: 1px solid var(--border-color); */
    font-weight: 600;
}

.spinner {
    width: 22px;
    height: 22px;
    border: 3px solid var(--accent-glow);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

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

/* Mobile Menu */
#menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    margin-left: -8px;
}

@media (max-width: 992px) {
    .app-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 300px;
        transform: translateX(-100%);
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 20px 0 50px rgba(0, 0, 0, 0.1);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    #menu-toggle {
        display: block;
    }

    .top-bar {
        padding: 0 1.5rem;
    }
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: none;
    animation: fadeIn 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}