/**
 * Interoceanica Route Explorer - Main Stylesheet
 * Premium design with modern aesthetics
 */

/* ==================== CSS Variables & Design Tokens ==================== */
:root {
    /* Color Palette - Vibrant & Harmonious */
    --color-primary: hsl(210, 85%, 55%);
    --color-primary-dark: hsl(210, 85%, 45%);
    --color-primary-light: hsl(210, 85%, 65%);
    --color-secondary: hsl(280, 70%, 60%);
    --color-accent: hsl(35, 95%, 60%);
    --color-success: hsl(145, 70%, 50%);
    --color-warning: hsl(35, 95%, 60%);
    --color-danger: hsl(0, 75%, 60%);

    /* Difficulty Colors */
    --color-easy: hsl(145, 70%, 50%);
    --color-moderate: hsl(35, 95%, 60%);
    --color-hard: hsl(15, 85%, 55%);
    --color-expert: hsl(0, 75%, 60%);

    /* Neutral Colors - Dark Mode First */
    --color-bg-primary: hsl(220, 20%, 10%);
    --color-bg-secondary: hsl(220, 18%, 14%);
    --color-bg-tertiary: hsl(220, 16%, 18%);
    --color-surface: hsl(220, 18%, 16%);
    --color-surface-elevated: hsl(220, 18%, 20%);

    --color-text-primary: hsl(0, 0%, 95%);
    --color-text-secondary: hsl(0, 0%, 75%);
    --color-text-tertiary: hsl(0, 0%, 60%);

    --color-border: hsl(220, 15%, 25%);
    --color-border-light: hsl(220, 15%, 30%);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-surface: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', var(--font-primary);

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ==================== Global Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
}

/* ==================== Typography ==================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

/* ==================== MAP-FIRST LAYOUT ==================== */
.map-first-layout {
    overflow: hidden;
}

/* Full-Viewport Map Canvas */
.map-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: var(--z-base);
    background: var(--color-bg-secondary);
}

/* ==================== Floating Header ==================== */
.floating-header {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-fixed);
    width: calc(100% - var(--spacing-2xl));
    max-width: 1200px;
}

.floating-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.nav-brand:hover {
    transform: scale(1.02);
    color: var(--color-text-primary);
}

.brand-icon {
    font-size: var(--font-size-2xl);
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

.nav-btn .icon {
    font-size: var(--font-size-lg);
}

/* ==================== Floating Panels ==================== */
.floating-panel {
    position: fixed;
    top: 100px;
    left: var(--spacing-lg);
    width: 340px;
    max-height: calc(100vh - 140px);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    overflow: hidden;
    transform: translateX(-120%);
    opacity: 0;
    transition: all var(--transition-slow);
}

.floating-panel.active {
    transform: translateX(0);
    opacity: 1;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.panel-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
}

.panel-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.panel-close:hover {
    background: var(--color-surface);
    color: var(--color-text-primary);
    transform: rotate(90deg);
}

.panel-content {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(100vh - 220px);
}

/* Filter Panel Specific */
.filter-section {
    margin-bottom: var(--spacing-lg);
}

.filter-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.chip {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chip:hover {
    background: var(--color-surface-elevated);
    border-color: var(--color-border-light);
    transform: translateY(-1px);
}

.chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.chip-easy.active {
    background: var(--color-easy);
    border-color: var(--color-easy);
}

.chip-moderate.active {
    background: var(--color-moderate);
    border-color: var(--color-moderate);
}

.chip-hard.active {
    background: var(--color-hard);
    border-color: var(--color-hard);
}

.chip-expert.active {
    background: var(--color-expert);
    border-color: var(--color-expert);
}

.route-count-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
}

.count-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: white;
    line-height: 1;
}

.count-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Search Panel Specific */
.search-panel {
    left: auto;
    right: var(--spacing-lg);
    transform: translateX(120%);
}

.search-panel.active {
    transform: translateX(0);
}

.search-box {
    margin-bottom: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ==================== Route Tooltip (Leaflet Popup) ==================== */
.route-tooltip {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    min-width: 250px;
}

.route-tooltip h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.route-tooltip-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.route-tooltip-stat {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.route-tooltip-stat strong {
    color: var(--color-text-primary);
    display: block;
}

.route-tooltip-btn {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.route-tooltip-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==================== Route Detail Page ==================== */
.route-detail {
    padding-top: 64px;
    /* Header height */
    min-height: 100vh;
}

.route-hero {
    position: relative;
    height: 60vh;
    background: var(--gradient-surface);
    overflow: hidden;
}

.route-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.route-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--color-bg-primary) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.route-hero-content {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.route-hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.route-hero-meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.route-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
}

.route-meta-icon {
    font-size: var(--font-size-xl);
}

.route-meta-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.route-meta-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
}

.route-content {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.route-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== Floating Route Info Card ==================== */
.floating-card {
    position: fixed;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    width: calc(100% - var(--spacing-3xl));
    max-width: 500px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: all var(--transition-slow);
}

.floating-card.active {
    transform: translateX(-50%) translateY(0);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
}

.card-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-moderate);
    color: white;
}

.card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-icon {
    font-size: var(--font-size-2xl);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.card-cta {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== Mobile Bottom Sheet ==================== */
.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xl);
    z-index: var(--z-modal);
    transform: translateY(calc(100% - 60px));
    transition: transform var(--transition-slow);
    display: none;
}

.bottom-sheet.expanded {
    transform: translateY(0);
}

.sheet-handle {
    width: 40px;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-md);
}

.sheet-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.sheet-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
}

.sheet-cta {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
    cursor: pointer;
}

/* ==================== Loading Overlay ==================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 1;
    transition: opacity var(--transition-slow);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: var(--spacing-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
}

.route-main {
    /* Main content area */
}

.route-sidebar {
    /* Sidebar area */
}

.content-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.content-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.elevation-chart {
    width: 100%;
    height: 300px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-md);
}

.route-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .route-content-grid {
        grid-template-columns: 1fr;
    }

    .floating-panel {
        width: 300px;
    }

    .floating-header {
        width: calc(100% - var(--spacing-xl));
    }
}

@media (max-width: 768px) {

    /* Mobile: Show bottom sheet instead of floating card */
    .floating-card {
        display: none;
    }

    .bottom-sheet {
        display: block;
    }

    /* Adjust floating header for mobile */
    .floating-header {
        top: var(--spacing-sm);
        width: calc(100% - var(--spacing-md));
    }

    .floating-nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav-btn .label {
        display: none;
    }

    .brand-text {
        display: none;
    }

    /* Floating panels take full width on mobile */
    .floating-panel {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        width: auto;
        max-width: none;
    }

    .search-panel {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .route-hero-title {
        font-size: var(--font-size-3xl);
    }

    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    .card-stats {
        grid-template-columns: 1fr;
    }
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

.animate-slide-in {
    animation: slideIn var(--transition-slow) ease-out;
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--color-primary);
}

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

.text-muted {
    color: var(--color-text-tertiary);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ==================== Custom Scrollbar ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}