:root {
    --bg-dark: #0f172a;
    --sidebar-bg: rgba(15, 23, 42, 0.95);
    --accent-blue: #38bdf8;
    --accent-purple: #818cf8;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-bg: rgba(30, 41, 59, 0.5);
    --radius-lg: 16px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.5;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar & Navigation */
.sidebar {
    width: 320px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    filter: drop-shadow(0 0 10px var(--accent-blue));
}

.sidebar h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff, var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 1.5px;
    margin: 1.5rem 0 0.75rem 0.5rem;
    text-transform: uppercase;
}

.cluster-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    padding: 0.85rem 1rem;
    border-radius: 12px;
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
}

.nav-item:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
    border-color: rgba(56, 189, 248, 0.3);
    color: var(--accent-blue);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nav-analytics {
    background: rgba(129, 140, 248, 0.1);
    color: var(--accent-purple);
    font-weight: 600;
}

.nav-analytics:hover {
    background: rgba(129, 140, 248, 0.2);
    color: #fff;
}

.separator {
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

/* Header & Layout */
#content {
    flex: 1;
    margin-left: 320px;
    padding: 2.5rem;
    max-width: calc(100vw - 320px);
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2.5rem;
    animation: fadeIn 0.8s ease-out;
}

.header-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

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

.status-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Interactive Map */
.map-container {
    width: 100%;
    height: 550px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    margin-bottom: 3rem;
}

#map {
    width: 100%;
    height: 100%;
    background: #0d1117;
}

/* Glassmorphism Card System */
.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.country-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.country-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.1);
}

.country-card h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.country-card h2 span {
    font-size: 1.5rem;
}

.card-actions {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.btn-compare {
    background: rgba(129, 140, 248, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(129, 140, 248, 0.3);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-compare:hover {
    background: var(--accent-purple);
    color: #fff;
}

.help-icon {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-left: 0.5rem;
    cursor: help;
    transition: var(--transition);
}

.help-icon:hover {
    color: var(--accent-blue);
}

/* Glossary Styles */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.resource-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
}

.resource-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-purple);
}

.resource-card h3 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-family: 'Outfit', sans-serif;
}

.resource-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
}

.ext-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(129, 140, 248, 0.05);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-main);
    margin-bottom: 1rem;
    border: 1px solid transparent;
    transition: var(--transition);
}

.ext-link-card:hover {
    background: rgba(129, 140, 248, 0.1);
    border-color: var(--accent-purple);
    transform: translateX(5px);
}

.country-meta {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.metric-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
}

.metric-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

/* Cultural Models Table */
.dimensions-container {
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dimensions-table {
    width: 100%;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    border-collapse: collapse;
}

.dimensions-table th {
    text-align: left;
    color: var(--accent-blue);
    padding: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

.dimensions-table td {
    padding: 0.5rem;
    color: var(--text-main);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.model-name {
    font-weight: 800;
    color: var(--accent-purple);
    width: 80px;
}

.city-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 1.5rem 0;
}

.city-chip {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.city-chip.capital {
    background: rgba(129, 140, 248, 0.2);
    color: #fff;
    border-color: var(--accent-purple);
}

.cluster-tag {
    font-size: 0.7rem;
    background: var(--bg-dark);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text-dim);
    margin-left: 0.5rem;
    vertical-align: middle;
}

.subcultures-list {
    margin-bottom: 2rem;
}

.subculture-item {
    border-left: 2px solid var(--accent-blue);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.subculture-item h4 {
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.subculture-item p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.generational-box {
    background: rgba(129, 140, 248, 0.05);
    border: 1px solid rgba(129, 140, 248, 0.1);
    padding: 1.25rem;
    border-radius: 12px;
}

.generational-box h4 {
    font-size: 0.85rem;
    color: var(--accent-purple);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.rift-text {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.conflict-point {
    font-weight: 700;
    color: var(--text-main);
    font-size: 0.9rem;
}

/* Welcome Experience */
.welcome-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    max-width: 650px;
    margin: 4rem auto;
    backdrop-filter: blur(10px);
}

.welcome-icon-stack {
    position: relative;
    font-size: 5rem;
    color: var(--accent-blue);
    margin-bottom: 2.5rem;
}

.search-overlay {
    position: absolute;
    font-size: 1.8rem;
    bottom: -10px;
    right: 30%;
    color: var(--text-main);
    background: var(--bg-dark);
    padding: 12px;
    border-radius: 50%;
    border: 3px solid var(--accent-blue);
}

.welcome-box h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2.5rem;
    margin-top: 2rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-blue);
    font-family: 'Outfit', sans-serif;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* Custom Marker Styling */
.country-flag-marker {
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    background: white;
    padding: 1px;
}

.country-flag-marker:hover {
    transform: scale(1.8) rotate(3deg);
    z-index: 1000 !important;
    border-color: var(--accent-blue);
    box-shadow: 0 0 25px var(--accent-blue);
}

/* Search Results UI */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 0.75rem;
    max-height: 350px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    display: none;
}

.search-result-item {
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.search-result-item:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    padding-left: 1.5rem;
}

#countrySearch {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 1rem 1rem 1rem 3rem;
    border-radius: 12px;
    color: var(--text-main);
    transition: var(--transition);
}

#countrySearch:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-blue);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(56, 189, 248, 0.1);
    border-top: 5px solid var(--accent-blue);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1s linear infinite;
}

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

/* Tooltip Customization */
.custom-tooltip {
    background: var(--bg-dark) !important;
    border: 1px solid var(--accent-blue) !important;
    color: white !important;
    font-family: 'Outfit', sans-serif !important;
    font-weight: 600 !important;
    padding: 4px 10px !important;
    border-radius: 6px !important;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5) !important;
}

.leaflet-tooltip-top:before {
    border-top-color: var(--accent-blue) !important;
}

/* Hide Legacy Elements */
.country-marker-icon {
    display: none !important;
}

/* Footer Styling */
.main-footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    color: var(--text-dim);
    font-size: 0.9rem;
    background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.8));
}

.footer-credits {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.footer-dedication {
    font-size: 0.8rem;
    font-style: italic;
    opacity: 0.7;
}

.footer-signature {
    font-family: 'Outfit', sans-serif;
    color: var(--accent-blue);
    font-weight: 700;
}