/* ===========================
   Shared Design Tokens
   =========================== */
:root {
    /* Brand Colors (constant across themes) */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #64748b;
    --color-accent: #0ea5e9;
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;

    --bg-overlay: rgba(0, 0, 0, 0.8);

    /* 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;

    /* Typography */
    --font-family:
        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen, Ubuntu, sans-serif;
    --font-serif: "Georgia", "Times New Roman", serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
    --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: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-theme: 200ms ease;
}
/* ===========================
   Reset & Base
   =========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    transition: background-color var(--transition-theme), color var(--transition-theme);
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}
/* ===========================
   Public Semantic Tokens
   =========================== */
:root,
[data-theme="light"] {
    /* Layout */
    --content-max-width: 1200px;
    --content-narrow: 800px;
    --header-height: 72px;

    /* Semantic Colors - Background */
    --bg-primary: #ffffff;
    --bg-carouselle: rgba(255,255,255,0.6);
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-overlay-hover: rgba(37, 99, 235, 0.7);

    /* Semantic Colors - Text */
    --text-primary: #0f172a;
    --text-primary-hover: black;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-immersive: #ffffff;
    --text-muted: #94a3b8;
    --text-inverted: #ffffff;

    /* Semantic Colors - Borders */
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --border-focus: #2563eb;

    /* Semantic Colors - Surfaces */
    --surface-card: #ffffff;
    --surface-input: #ffffff;
    --surface-hover: #f1f5f9;
    --surface-active: #e2e8f0;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Component-specific */
    --header-bg: rgba(255, 255, 255, 0.9);
    --footer-bg: rgba(255, 255, 255, 0.9);
    --footer-text: var(--text-tertiary);
    --code-bg: #1e293b;
    --code-text: #f1f5f9;
    --inline-code-bg: #f1f5f9;
    --inline-code-text: #0f172a;

    /* Grays (for backward compatibility) */
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    --logo-fill: #000000;

    color-scheme: light;
}

/* ===========================
   Dark Theme
   =========================== */
[data-theme="dark"] {
    /* Semantic Colors - Background */
    --bg-primary: #121212;
    --bg-carouselle: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2d2d2d;
    --bg-elevated: #1e1e1e;
    --bg-overlay: rgba(0, 0, 0, 0.7);

    /* Semantic Colors - Text */
    --text-primary: #f1f5f9;
    --text-primary-hover: #ffffff;
    --text-secondary: #cbd5e1;
    --text-tertiary: #cbd5e1;
    /* #94a3b8; */
    --text-immersive: #cbd5e1;
    --text-muted: #64748b;
    --text-inverted: #121212;

    /* Semantic Colors - Borders */
    --border-primary: #2d2d2d;
    --border-secondary: #404040;
    --border-focus: #3b82f6;

    /* Semantic Colors - Surfaces */
    --surface-card: #1e1e1e;
    --surface-input: #1e1e1e;
    --surface-hover: #2d2d2d;
    --surface-active: #404040;

    /* Shadows (darker for dark theme) */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);

    /* Component-specific */
    --header-bg: rgba(30, 30, 30, 0.8);
    --footer-bg: rgba(30, 30, 30, 0.8);
    --footer-text: #94a3b8;
    --code-bg: #121212;
    --code-text: #e2e8f0;
    --inline-code-bg: #2d2d2d;
    --inline-code-text: #e2e8f0;

    /* Brand adjustments for dark theme */
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-light: rgba(59, 130, 246, 0.2);

    /* Grays (inverted for dark theme) */
    --color-gray-50: #121212;
    --color-gray-100: #1e1e1e;
    --color-gray-200: #2d2d2d;
    --color-gray-300: #404040;
    --color-gray-400: #64748b;
    --color-gray-500: #94a3b8;
    --color-gray-600: #cbd5e1;
    --color-gray-700: #e2e8f0;
    --color-gray-800: #f1f5f9;
    --color-gray-900: #f8fafc;

    --logo-fill: #ffffff;

    color-scheme: dark;
}
/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn:active:not(:disabled) {
    transform: translateY(0);
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    color: var(--text-inverted);
}

.btn-secondary {
    background-color: var(--surface-hover);
    color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--border-primary);
    color: var(--text-primary);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--text-inverted);
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
    color: white;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--surface-hover);
    border-color: var(--border-primary);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    padding: var(--spacing-xs);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

.btn-block {
    display: flex;
    width: 100%;
}
/* ===========================
   Empty State
   =========================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--border-secondary, var(--border-primary));
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--text-tertiary, var(--text-muted));
}
/* ===========================
   Pagination
   =========================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light, rgba(37, 99, 235, 0.05));
}

.page-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    cursor: default;
}

.page-btn:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.page-prev,
.page-next {
    font-size: var(--font-size-base);
}

.page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    color: var(--text-muted);
    user-select: none;
}

.page-info {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    white-space: nowrap;
}
/* ===========================
   Category Chips (Meta-tags)
   =========================== */
.categories-picker {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.category-chip {
    cursor: pointer;
    user-select: none;
    position: relative;
}

.category-chip .hidden-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.category-chip .chip-label {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.8rem;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: 2rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.category-chip:hover .chip-label {
    border-color: var(--border-secondary, var(--text-muted));
    background: var(--surface-hover);
}

.category-chip .hidden-checkbox:checked+.chip-label {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverted, white);
}

.category-chip .hidden-checkbox:focus+.chip-label {
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.category-chip .chip-label.sub-tag {
    margin-left: 1rem;
    opacity: 0.8;
}
/* ===========================
   Theme Toggle
   =========================== */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

/* Show sun icon in dark mode (to switch to light) */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: flex;
}

/* Show moon icon in light mode (to switch to dark) */
:root:not([data-theme="dark"]) .theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-moon {
    display: flex;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}
/* ===========================
   Utilities
   =========================== */
.text-muted {
    color: var(--text-muted);
}

.text-xs {
    font-size: var(--font-size-xs);
}

.text-small {
    font-size: var(--font-size-sm);
}

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

.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-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);
}

.flex {
    display: flex;
}

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

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.hidden {
    display: none !important;
}

.visible-block {
    display: block !important;
}

.visible-flex {
    display: flex !important;
}

.visible-inline {
    display: inline !important;
}

.visible-inline-flex {
    display: inline-flex !important;
}

.no-overflow {
    overflow: hidden !important;
}

.cursor-wait {
    cursor: wait !important;
}

.opacity-50 {
    opacity: 0.5 !important;
}

.opacity-30 {
    opacity: 0.3 !important;
}

.opacity-100 {
    opacity: 1 !important;
}

.is-measuring {
    flex-shrink: 0 !important;
    visibility: hidden !important;
}

.opacity-0 {
    opacity: 0 !important;
}

.transition-all {
    transition: all var(--transition-base, 0.3s) ease !important;
}

.translate-x-20 {
    transform: translateX(20px) !important;
}

.ml-auto {
    margin-left: auto !important;
}

.img-fluid {
    max-width: 100% !important;
    height: auto !important;
}

/* ===========================
   Loading Spinner
   =========================== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner {
    display: block;
    width: 40px;
    height: 40px;
    margin: var(--spacing-2xl) auto;
    border: 3px solid var(--border-primary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner-sm {
    width: 20px;
    height: 20px;
    margin: var(--spacing-md) auto;
    border-width: 2px;
}

/* ===========================
   Error Message
   =========================== */
.error-message {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) auto;
    max-width: 600px;
    text-align: center;
    color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--border-radius);
}

/* ===========================
   Locker Icon (Hidden Content Indicator)
   =========================== */
.locker-icon {
    display: inline-block;
    margin-right: 0.25em;
    vertical-align: bottom;
    opacity: 0.55;
    cursor: help;
}
/* ===========================
   Public Layout
   =========================== */
html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    overscroll-behavior-y: contain;
}

body {
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden; /* Prevent horizontal overflow on mobile/tablet */
}

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#header-mount {
    position: fixed;
    width: 100%;
    z-index: 10;
}

.site-main {
    flex: 1;
    padding: var(--spacing-lg) 0;
    margin-top: 73px;
}

.main-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Page Headers */
.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-theme);
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    transition: color var(--transition-theme);
}

/* Breadcrumbs */

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumbs.centered {
    justify-content: center;
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
    color: var(--text-tertiary);
    font-weight: 400;
    user-select: none;
}

/* Narrow content container (single post, preview) */
.content-narrow {
    max-width: var(--content-narrow);
    margin-left: auto;
    margin-right: auto;
}

.site-wrapper--map {
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Map page modifier — remove padding so map fills the area */
.site-main--map {
    padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.site-main--map .map-container {
    flex: 1;
    min-height: 0;
    margin-top: 0;
    border-radius: 0;
}

/* Public button padding override */

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
}
/* ===========================
   Header
   =========================== */
/* Sticky wrapper for header + tags bar */
.site-header-group {
    position: sticky;
    top: 0;
    z-index: 101;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-primary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition:
        background-color var(--transition-theme),
        border-color var(--transition-theme);
    overflow: visible;
}

/* Content-width constraint, like footer-container */
.site-header-inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    /* Three-part layout: [site-header] [tags-bar] [site-nav] */
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

/* site-header: logo/title on the left */
.site-header {
    flex: 0 0 auto;
    order: 1;
    overflow: visible;
    display: flex;
    align-items: center;
    height: var(--header-height);
    padding: 0 var(--spacing-md);
}

/* tags-bar: inline by default, fills the middle space */
.header-tags-bar {
    flex: 1;
    min-width: 0; /* Prevent flex item from overflowing when tags exceed available space */
    order: 2;
    transition: border-color var(--transition-theme);
}

/* site-nav (direct child of inner): action buttons on the right */
.site-header-inner > .site-nav {
    flex: 0 0 auto;
    order: 3;
    padding: 0 var(--spacing-sm);
    height: var(--header-height);
    margin-left: auto;
}

/* JS toggles this class when tags collide with header/nav */
.site-header-group.tags-stacked .header-tags-bar {
    flex: 0 0 100%;
    order: 3;
    border-top: 1px solid var(--border-primary);
}

.site-header-group.tags-stacked .site-header-inner > .site-nav {
    order: 2;
    margin-left: auto;
}

.site-header-group.tags-stacked .site-header {
    order: 1;
}

.header-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: visible;
    /* Prevent clipping of dropdowns */
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
}

.header-left-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.header-left-group>* {
    height: 2rem;
}

/* Breadcrumb nav in the header */
.site-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    min-width: 0;
    overflow: hidden;
}

.site-breadcrumb .breadcrumb-separator {
    color: var(--text-tertiary);
    font-weight: 400;
    user-select: none;
    transition: color var(--transition-theme);
}

.site-breadcrumb .breadcrumb-current {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--transition-theme);
    color: var(--text-primary);
    text-decoration: none;
}

.site-breadcrumb a.breadcrumb-current:hover {
    color: var(--color-primary);
}

.site-breadcrumb .breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-theme);
}

.site-breadcrumb .breadcrumb-link:hover {
    color: var(--color-primary);
}

.site-breadcrumb .site-subtitle {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0;
    transition: color var(--transition-theme);
}

.site-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    transition: color var(--transition-theme);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    line-height: 1;
}

.site-title-link:hover,
.site-title-link:hover * {
    color: var(--color-primary);
}


.app-logo {
    display: inline-block;
    vertical-align: middle;
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.app-logo .logo-shape {
    fill: var(--text-primary);
    transition: fill var(--transition-theme);
}

/* Authenticated indicator - site title color change */
.site-title.authenticated {
    color: var(--color-primary);
}

.site-title.authenticated:hover {
    color: var(--color-primary-hover);
}

.site-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin: 0;
    transition: color var(--transition-theme);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}


.nav-dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 50;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.dropdown-item:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* Post Header Bar (Immersive Mode) */
.post-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.post-header-bar .header-left {
    flex: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-header-bar .header-center {
    flex: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.post-header-bar .header-right {
    flex: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.post-header-bar .site-title {
    margin: 0;
    font-size: var(--font-size-xl);
}

.post-header-bar .post-meta {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: 0;
    color: inherit;
}

/* =   Header Action Buttons   = */
/*
 * Unified 40×40 icon-button style for all header controls.
 * GUIDANCE — choose the right element:
 *   <a class="header-action-btn" href="..." aria-label="...">      navigation
 *   <button class="header-action-btn" type="button" aria-label="..."> action (no URL)
 * Add `.theme-toggle` as a second class only when sun/moon icon toggling is needed.
 */
.header-action-btn,
.theme-toggle,
.create-post,
.light-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.header-action-btn:hover,
.theme-toggle:hover,
.create-post:hover,
.light-link:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.header-action-btn svg,
.theme-toggle svg,
.create-post svg,
.light-link svg {
    width: 20px;
    height: 20px;
}

/* Theme Toggle (public overrides) */
.site-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo.theme-toggle {
    width: 1rem;
    height: 1rem;
    border: none;
    align-items: end;
}

.logo.theme-toggle.authenticated * {
    fill: var(--color-primary);
}

.logo.theme-toggle svg {
    width: 1rem;
    height: 1rem;
}

/* Immersive header: mobile title overflow handling */
/* Step 1 — compact: hide blog title link and separator */
.post-header-bar .header-center.header-compact .breadcrumb-link,
.post-header-bar .header-center.header-compact .breadcrumb-separator {
    display: none;
}

/* Step 2 — truncate: still overflows even after compact, clip with ellipsis */
.post-header-bar .header-center.header-truncate .site-title {
    display: block;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
/* ===========================
   Header Tags Bar
   =========================== */
.header-tags-bar {
    overflow: visible;
    z-index: 100;
}

.tags-bar-track {
    position: relative;
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
}

.tags-bar-track::before,
.tags-bar-track::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tags-bar-track::before {
    left: 0;
    background: linear-gradient(to right, var(--header-bg), transparent);
}

.tags-bar-track::after {
    right: 0;
    background: linear-gradient(to left, var(--header-bg), transparent);
}

.tags-bar-track.has-scroll-left::before {
    opacity: 1;
}

.tags-bar-track.has-scroll-right::after {
    opacity: 1;
}

.tags-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
}

.tags-scroll-btn svg {
    width: 14px;
    height: 14px;
}

.tags-scroll-btn--left {
    left: var(--spacing-xs);
}

.tags-scroll-btn--left svg {
    transform: rotate(90deg);
}

.tags-scroll-btn--right {
    right: var(--spacing-xs);
}

.tags-scroll-btn--right svg {
    transform: rotate(-90deg);
}

.tags-bar-track.has-scroll-left .tags-scroll-btn--left,
.tags-bar-track.has-scroll-right .tags-scroll-btn--right {
    opacity: 1;
    pointer-events: auto;
}

.tags-scroll-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.header-tags-bar .tags-filters {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: safe center;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: visible;
    overscroll-behavior: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* Allow dropdowns */
    opacity: 0;
    transition: opacity 0.2s ease;
}

.header-tags-bar .tags-filters::-webkit-scrollbar {
    display: none;
}

.header-tags-bar .tags-filters.is-ready {
    opacity: 1;
}

/* Header Dropdown Tags */
.header-tags-bar .tag-group {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-direction: column;
    overflow: visible;
    border: none;
    background: transparent;
    border-radius: 0;
    height: auto;
}

/* Filter buttons - both standalone and within lists */
.header-tags-bar .tag-link {
    display: inline-flex;
    align-items: center;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: 9999px;
    height: 2rem;
    padding: 0 var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: normal;
    transition: all var(--transition-fast);
    box-sizing: border-box;
    white-space: nowrap;
    text-rendering: optimizeLegibility;
}

.header-tags-bar .tag-link:hover {
    border-color: var(--color-primary);
}

.header-tags-bar .tag-group-header {
    display: inline-flex;
    align-items: center;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: 9999px;
    height: 2rem;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.header-tags-bar .tag-group-header:hover,
.header-tags-bar .tag-group.is-open>.tag-group-header {
    border-color: var(--color-primary);
}

/* Override filter-btn styles when inside tag-group-header - use higher specificity */
.header-tags-bar .tag-group-header>.tag-link {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0 0.25rem 0 var(--spacing-md);
    height: 100%;
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: normal;
    text-rendering: optimizeLegibility;
    border-radius: 0;
    box-shadow: none;
}


.header-tags-bar .tag-group-header .toggle-children {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0 0.5rem 0 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    height: 100%;
    align-self: stretch;
}

.header-tags-bar .tag-group-header .toggle-children svg {
    transition: transform var(--transition-fast);
    transform-origin: center;
}

.header-tags-bar .tag-group:hover>.tag-group-header .toggle-children,
.header-tags-bar .tag-group.is-open>.tag-group-header .toggle-children {
    color: var(--color-primary);
}

.header-tags-bar .tag-group:hover>.tag-group-header .toggle-children svg,
.header-tags-bar .tag-group.is-open>.tag-group-header .toggle-children svg {
    transform: rotate(180deg);
}

/* Dropdown container - default hidden */
.header-tags-bar .tag-children {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    left: 50%;
    transform: translateX(-50%);
    background: transparent;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-sm);
    display: none;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    width: max-content;
    max-width: 80vw;
    visibility: hidden;
    opacity: 0;
}

/* Background + blur on ::after so backdrop-filter doesn't make this element
   a containing block for position:fixed descendants (Chrome behaviour). */
.header-tags-bar .tag-children::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--surface-card);
    backdrop-filter: blur(12px);
    border-radius: inherit;
    z-index: -1;
    pointer-events: none;
}

.header-tags-bar .tag-children::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: transparent;
}

/* Show dropdown only when JS has positioned it (position:fixed via inline style) */
.header-tags-bar .tag-group.is-open>.tag-children {
    display: flex;
    visibility: visible;
    opacity: 1;
    animation: dropdownFadeIn 0.2s ease-out forwards;
}

/* Temporary class for measuring hidden dropdowns - needs higher specificity */
.header-tags-bar .tag-group .tag-children.visible-flex,
.header-tags-bar .tag-group .tag-children.is-measuring {
    display: flex;
    visibility: hidden;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        margin-top: -10px;
    }

    to {
        opacity: 1;
        margin-top: 0;
    }
}

/* Ensure children in dropdowns have consistent sizing - use child combinator for specificity */
.header-tags-bar .tag-children>.tag-link,
.header-tags-bar .tag-children>.tag-group .tag-link {
    height: 2rem;
    font-size: var(--font-size-sm);
}

.header-tags-bar .tag-children>.tag-link {
    padding: 0 var(--spacing-md);
}

.header-tags-bar .tag-children>.tag-group>.tag-group-header {
    height: 2rem;
    font-size: var(--font-size-sm);
}

/* Tag Switcher Logic - keep these with high specificity to prevent display override */
.header-tags-bar .tags-filters[data-mode="featured"]>.category-tag,
.header-tags-bar .tags-filters[data-mode="featured"]>.tag-group.category-tag {
    display: none;
}

.header-tags-bar .tags-filters[data-mode="categories"]>.featured-tag,
.header-tags-bar .tags-filters[data-mode="categories"]>.tag-group.featured-tag {
    display: none;
}

/*.header-tags-bar .switcher-btn.active {
    background-color: var(--color-primary);
    color: var(--text-inverted);
}*/

/* ===========================
   Footer
   =========================== */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: var(--spacing-md) 0;
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    margin-top: auto;
    transition: background-color var(--transition-theme);
}

.footer-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    grid-column: 1;
    justify-self: start;
    color: var(--footer-text);
}

.footer-copyright a {
    color: var(--footer-text);
}

.footer-copyright a:hover {
    color: var(--color-primary);
}

.footer-content .pagination {
    grid-column: 2;
    margin-top: 0;
}

.footer-actions {
    grid-column: 3;
    justify-self: end;
    display: flex;
    gap: var(--spacing-sm);
}

.footer-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.footer-action-btn:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.footer-action-btn svg {
    width: 20px;
    height: 20px;
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--footer-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    transition: color var(--transition-theme);
}

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

.footer-link svg {
    opacity: 0.7;
}

.footer-link:hover svg {
    opacity: 1;
}

.light-link {
    font-weight: 700;
    text-decoration: none;
    color: inherit;
}

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

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--footer-text);
}

.footer-link:hover {
    color: var(--text-inverted);
}

.footer-tags {
    flex: 1;
    justify-content: center;
    padding: 0 var(--spacing-xl);
}
/* ===========================
   Post Grid (Homepage)
   =========================== */
.posts-main {
    min-width: 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

/* ===========================
   Post Card
   =========================== */
.post-card {
    background: var(--surface-card);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition:
        all var(--transition-normal),
        background-color var(--transition-theme);
    text-decoration: none;
    /* Make sure links inside look clean */
    display: block;
    /* Ensure it behaves as a block element */
    position: relative;
    height: 100%;
    /* Ensure uniform height in grid if possible, though grid-items stretch */
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

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

/* --- HAS IMAGE/VISUAL STYLE --- */
.post-card.has-image,
.post-card.has-visual {
    min-height: 320px;
    /* Minimum height for image cards */
    color: var(--text-inverted);
    /* Default text color on image */
}

.post-card.type-audio {
    background-color: var(--bg-tertiary);
}

.post-card-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.post-card-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.audio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    transition: background-color var(--transition-theme), color var(--transition-theme);
}

.post-card:hover .audio-placeholder {
    background-color: var(--surface-hover);
    color: var(--color-primary);
}

.video-play-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    pointer-events: none;
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
    transition: opacity var(--transition-normal);
}

.post-card:hover .post-card-background img,
.post-card:hover .post-card-background video {
    transform: scale(1.05);
}

.post-card:hover .video-play-indicator {
    opacity: 0.8;
}

/* Overlay Content for Image Cards */
.post-card-content.overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    background: linear-gradient(to top,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0.4) 10%,
            rgba(0, 0, 0, 0) 40%,
            rgba(0, 0, 0, 0.6) 70%,
            rgba(0, 0, 0, 0.9) 100%);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity var(--transition-normal);
    color: white;
    pointer-events: auto;
}

.post-card:hover .post-card-content.overlay {
    opacity: 1;
}

.post-card-edit-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 20;
    width: 40px;
    height: 40px;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    /* Hidden by default, shown on hover */
    text-decoration: none;
    cursor: pointer;
}

.post-card:hover .post-card-edit-btn {
    opacity: 1;
}

.post-card-edit-btn:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-md);
}

.post-card-edit-btn svg {
    width: 20px;
    height: 20px;
}

/* Hidden post indicator */
.post-hidden-indicator {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    z-index: 20;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.post-hidden-indicator svg {
    width: 16px;
    height: 16px;
}

/* Override text colors for overlay */
.post-card-content.overlay .post-card-title {
    color: white;
    font-size: var(--font-size-lg);
}

.post-card-content.overlay .post-card-meta {
    color: rgba(255, 255, 255, 0.8);
}

.post-card-content.overlay .post-card-excerpt {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

/* --- TEXT ONLY STYLE --- */
.post-card.text-only {
    background-color: var(--surface-card);
}

.post-card.text-only .post-card-content {
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-content {
    /* Base styles for non-overlay content */
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.post-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
    transition: color var(--transition-theme);
}

.post-card-title a {
    color: inherit;
    position: relative;
    z-index: 11;
}

.post-card-title a:hover {
    color: var(--color-primary);
}

.post-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Text Preview for No Image Posts */
.post-card-text-preview {
    font-size: var(--font-size-base);
    /* Slightly larger for emphasis */
    color: var(--text-secondary);
    line-height: 1.6;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 8;
    line-clamp: 8;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-lg);
}

.post-card-text-preview p {
    margin-bottom: var(--spacing-sm);
}

.post-card-tags {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: auto;
    /* Push to bottom in flex container */
}

.post-card-tags .tag-link {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.post-card-tags .tag-link:hover {
    background-color: var(--bg-overlay-hover);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Light theme tag style */
[data-theme="light"] .post-card-tags .tag-link {
    background-color: var(--bg-overlay);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Dark theme tag style */
[data-theme="dark"] .post-card-tags .tag-link {
    background-color: var(--bg-overlay);
    color: var(--text-immersive);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Overlay style (on images) */
.post-card-content.overlay .post-card-tags .tag-link {
    background-color: var(--bg-overlay);
    color: var(--text-immersive);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.post-card-content.overlay .post-card-tags .tag-link:hover {
    background-color: var(--bg-overlay-hover);
    border-color: var(--color-primary);
    color: white;
}

/* Light theme overlay style */
/*[data-theme="light"] .post-card-content.overlay .post-card-tags .tag-link {
    background-color: var(--bg-overlay);
    color: var(--text-immersive);
    border: 1px solid rgba(0, 0, 0, 0.1);
}*/

/* ===========================
   Featured Post
   =========================== */
.featured-post {
    grid-column: 1 / -1;
}

/* Reset grid for featured post if using new card style */
/* If featured post has image, it behaves like a big card now */
.featured-post .post-card.has-image {
    min-height: 500px;
}

.featured-post .post-card-content.overlay .post-card-title {
    font-size: var(--font-size-3xl);
}

.featured-post .post-card-content.overlay .post-card-excerpt {
    font-size: var(--font-size-base);
    -webkit-line-clamp: 4;
    line-clamp: 4;
}

/* If text only, we can keep it as a flexible card */
.featured-post .post-card.text-only {
    padding: var(--spacing-md);
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* Override badge for overlay */
.post-card-content.overlay .featured-badge {
    color: var(--color-accent);
    /* Brighter blue for dark bg */
}

/* ===========================
   Grid Preview (Swipe)
   =========================== */
.grid-preview-placeholder {
    pointer-events: none;
    z-index: 10;
}
.placeholder-grid .post-card-slot {
    background: var(--surface-card);
    border-radius: var(--border-radius-xl);
    min-height: 320px;
    box-shadow: var(--shadow);
    opacity: 0.5;
    animation: pulse 1.5s infinite alternate;
}
@keyframes pulse {
    from { opacity: 0.3; }
    to { opacity: 0.6; }
}
/* ===========================
   Sidebar
   =========================== */
.sidebar,
.posts-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar-widget {
    background: var(--surface-card);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: background-color var(--transition-theme);
}

.widget-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
    transition:
        color var(--transition-theme),
        border-color var(--transition-theme);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    height: 2rem;
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: 9999px;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tag-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tag-link.is-hidden {
    opacity: 0.7;
}

.tag-group-inline {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    margin-right: var(--spacing-md);
}


.tag-link .count {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}
/* ===========================
   Single Post
   =========================== */
.post-single {
    max-width: var(--content-narrow);
    margin: 0 auto;
}

.post-header {
    text-align: center;
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.post-meta-divider {
    width: 4px;
    height: 4px;
    background-color: var(--border-secondary);
    border-radius: 50%;
}

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-theme);
}

.post-featured-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
}

/* Post Content */
.post-content {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    transition: color var(--transition-theme);
}

.post-content h2 {
    font-family: var(--font-family);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-theme);
}

.post-content h3 {
    font-family: var(--font-family);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-theme);
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content img {
    border-radius: var(--border-radius-lg);
}

.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--text-tertiary);
}

.post-content pre {
    background-color: var(--code-bg);
    color: var(--code-text);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-theme);
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--inline-code-bg);
    color: var(--inline-code-text);
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    transition:
        background-color var(--transition-theme),
        color var(--transition-theme);
}

.post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Post Footer */
.post-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
}

.post-tags {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.post-tags .tag-link {
    background-color: var(--bg-tertiary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.post-tags .tag-link:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

[data-theme="light"] .post-tags .tag-link {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .post-tags .tag-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

[data-theme="dark"] .post-tags .tag-link {
    background: rgba(0, 0, 0, 0.75);
    color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .post-tags .tag-link:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.post-nav-link {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
}

.post-nav-link:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.post-nav-link.next {
    text-align: right;
}

.post-nav-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
}

.post-nav-title {
    font-weight: 600;
    color: var(--text-primary);
}
/* ===========================
   Tag Archive
   =========================== */
.tag-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-primary);
}

.tag-name {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-theme);
}

.tag-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.tag-count {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-md);
}

/* Tags Filters */
.tags-filters {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--spacing-sm);
    justify-content: safe center;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tags-filters::-webkit-scrollbar {
    display: none;
}

.tags-page .tags-filters {
    margin-top: 5px;
    /*margin-bottom: var(--spacing-md); */
}

/* Hierarchical Tags */
.tag-group {
    display: flex;
    flex-direction: column;
    position: relative;
    border-radius: 1rem;
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    overflow: visible;
    /* Changed from hidden to support header dropdowns and nested content */
    transition: all var(--transition-fast);
}

.tag-group:hover {
    border-color: var(--border-secondary);
}

.tag-group-header {
    display: flex;
    align-items: center;
}

.tag-group-header .tag-link {
    border: none;
    background: none;
    border-radius: 0;
    flex: 1;
    margin-right: -1px;
}

/*.tag-group-header .tag-link.active {
    color: var(--text-inverted);
    }*/

.tag-group-header .tag-link:hover:not(.active) {
    color: var(--text-primary);
}

.toggle-children {
    background: none;
    border: none;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border-left: 1px solid var(--border-primary);
}

.toggle-children:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.toggle-children svg {
    transition: transform var(--transition-fast);
    transform-origin: center;
}

.toggle-children.active svg {
    transform: rotate(180deg);
}

/* ===========================
   Tags Tree (TagsPage hierarchy)
   =========================== */
.tags-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tags-tree-item {
    margin-bottom: var(--spacing-xs);
}

.tag-link.tags-tree-link {
    height: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    font-size: var(--font-size-base);
    font-weight: normal;
    white-space: normal;
    color: var(--text-primary);
}

.tag-link.tags-tree-link:hover {
    color: var(--color-primary);
    background-color: var(--surface-hover);
    border-color: transparent;
    transform: none;
}

.tag-link.tags-tree-link .tag-count {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.tags-tree-desc {
    margin: 2px 0 var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.tags-tree-children {
    list-style: none;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-sm);
    border-left: 2px solid var(--border-primary);
}

/* Important tag highlight in public context */
.tags-tree-item.tag-important > .tag-link {
    font-weight: 600;
    color: var(--color-primary);
}

.tag-important {
    background-color: var(--color-primary-light, rgba(37, 99, 235, 0.08));
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
}
/* ===========================
   404 Page
   =========================== */
.error-page {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    color: var(--border-primary);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.error-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}
/* ===========================
   Immersive Layout (Full Screen Post)
   =========================== */
.immersive-layout .site-wrapper {
    display: block;
    height: 100vh;
    overflow: hidden;
}

.immersive-layout .site-header-group {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: none;
    color: var(--text-primary);
    transition:
        opacity 0.4s ease,
        transform 0.4s ease,
        background-color var(--transition-theme),
        color var(--transition-theme),
        border-color var(--transition-theme);
}

.immersive-layout .site-header .site-title,
.immersive-layout .site-header .site-subtitle,
.immersive-layout .site-header .light-link,
.immersive-layout .site-header .breadcrumb-link,
.immersive-layout .site-header .breadcrumb-current {
    border-color: rgba(255, 255, 255, 0.3);
    transition:
        color var(--transition-theme),
        border-color var(--transition-theme),
        background-color var(--transition-theme);
}

.immersive-layout .site-header svg,
.immersive-layout .site-header .theme-toggle,
.immersive-layout .site-header .create-post,
.immersive-layout .site-header .header-action-btn {
    color: var(--text-primary);
    border-color: var(--border-primary);
    transition:
        color var(--transition-theme),
        border-color var(--transition-theme),
        background-color var(--transition-theme),
        stroke var(--transition-theme),
        fill var(--transition-theme);
}

[data-theme="light"].immersive-layout .site-header-group {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"].immersive-layout .site-header svg {
    color: var(--text-primary);
    stroke: var(--text-primary);
}

[data-theme="light"].immersive-layout .site-header .site-title,
[data-theme="light"].immersive-layout .site-header .site-subtitle,
[data-theme="light"].immersive-layout .site-header .light-link,
[data-theme="light"].immersive-layout .site-header .breadcrumb-link,
[data-theme="light"].immersive-layout .site-header .breadcrumb-current {
    color: var(--text-primary);
    border-color: var(--border-primary);
    transition: color var(--transition-theme), border-color var(--transition-theme);
}

[data-theme="light"].immersive-layout .site-header .breadcrumb-separator {
    color: var(--text-tertiary);
    transition: color var(--transition-theme);
}

.immersive-layout .site-header .header-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="light"].immersive-layout .site-header .header-action-btn:hover {
    background: var(--surface-hover);
}

.immersive-layout .site-main {
    padding: 0;
    height: 100vh;
    width: 100vw;
}

.immersive-layout .main-container {
    max-width: none;
    margin: 0;
    height: 100%;
    padding: 0;
}

/* Ensure the component mount point stretches to fill the container */
.immersive-layout #content-mount {
    display: block;
    height: 100%;
}

.immersive-layout .site-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--footer-bg);
    /*background: rgba(0,0,0,0.6);*/
    /*linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.85) 40%, rgba(0, 0, 0, 0.4) 80%, transparent 100%);*/
    color: rgba(255, 255, 255, 0.95);
    border-top: none;
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    transition:
        opacity 0.4s ease,
        transform 0.4s ease,
        background-color var(--transition-theme),
        background var(--transition-theme),
        color var(--transition-theme);
    pointer-events: none;
}

.immersive-layout .site-footer .footer-content {
    pointer-events: auto;
}

[data-theme="light"].immersive-layout .site-footer {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 40%, rgba(255, 255, 255, 0.4) 80%, transparent 100%);
    color: var(--text-primary);
}

.immersive-layout .site-footer .footer-link,
.immersive-layout .site-footer .footer-copyright {
    color: var(--footer-text);
    transition: color var(--transition-theme);
}

.immersive-layout .footer-content {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap-reverse;
    align-items: baseline;
    gap: var(--spacing-xs) var(--spacing-md);
    text-align: left;
}

.immersive-layout .footer-content .footer-copyright {
    flex-shrink: 0;
    white-space: nowrap;
    order: 0;
}

.immersive-layout .footer-content .immersive-tags {
    flex: 1 1 0%;
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    pointer-events: auto;
}

[data-theme="light"].immersive-layout .site-footer .footer-link {
    color: var(--text-primary);
}

[data-theme="light"].immersive-layout .site-footer .footer-copyright {
    color: var(--footer-text);
}

/* Immersive Components */
.immersive-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    touch-action: none; /* Prevent scroll bouncing on swipe */
    overscroll-behavior: none; /* Prevent trackpad rubber-banding */
}

.immersive-visuals {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-carouselle);
    transition: background-color var(--transition-theme);
    will-change: transform, opacity;
}

.immersive-wrapper.zoomed .immersive-visuals {
    cursor: grab;
}

.immersive-wrapper.zoomed .immersive-visuals:active {
    cursor: grabbing;
}

.immersive-bg-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Show the whole image */
    transition: opacity 0.3s ease;
}

.immersive-tags .tag-link {
    background: var(--bg-overlay);
    color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    pointer-events: auto;
}

.immersive-tags .tag-link:hover {
    background: var(--bg-overlay-hover);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

[data-theme="light"].immersive-layout .immersive-tags .tag-link {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"].immersive-layout .immersive-tags .tag-link:hover {
    background: var(--bg-overlay-hover);
    color: white;
    border-color: var(--color-primary);
}

video.immersive-bg-image {
    margin-bottom: 6em;
}

.immersive-audio-container {
    width: 100%;
    max-width: 600px;
    padding: var(--spacing-xl);
    background: var(--bg-overlay);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-bottom: 6em;
}

.immersive-audio-player {
    width: 100%;
}

.audio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.immersive-overlay-container {
    position: absolute;
    inset: 0;
    z-index: 20;
    pointer-events: none;
    /* Allow clicking through to toggle */
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* Center the info card */
    align-items: center;
    padding: 80px 40px;
    /* Clear header/footer areas */
    transition:
        opacity 0.4s ease,
        transform 0.4s ease;
    background: rgba(0, 0, 0, 0.3);
    /* Slight dim to make text readable */
}

.post-info-card {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 700px;
    max-height: 80vh;
    /* Leave some space */
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    transition:
        opacity 0.3s ease,
        background-color var(--transition-theme),
        color var(--transition-theme),
        border-color var(--transition-theme),
        box-shadow var(--transition-theme);
    overflow: hidden;
    /* For inner scroll */
}

[data-theme="dark"] .post-info-card {
    background: rgba(30, 30, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.post-header-compact {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
    text-align: center;
    flex-shrink: 0;
}

.post-content-scrollable {
    overflow-y: auto;
    padding-right: var(--spacing-sm);
    /* Avoid scrollbar covering text */
    flex: 1;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) transparent;
}

/* Compact Nav */
.post-footer-compact {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.post-navigation-compact {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

.post-nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.post-nav-icon:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.post-nav-icon.disabled {
    opacity: 0.3;
    cursor: default;
}

/* UI Hidden State (toggled by JS) */
.immersive-layout.ui-hidden .site-header-group {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.immersive-layout.ui-hidden .site-footer {
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.immersive-layout.ui-hidden .immersive-overlay-container {
    opacity: 0;
    transform: scale(0.98);
    pointer-events: none;
}

.immersive-layout.ui-hidden .immersive-visuals {
    cursor: none;
    /* Hide cursor for better immersion */
}

/* Excerpt card — top-left overlay below the header */
.post-excerpt-card {
    position: absolute;
    top: 70px; /* below fixed header */
    left: var(--spacing-lg);
    z-index: 25;
    max-width: min(380px, calc(100vw - var(--spacing-xl) * 2));
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-overlay);
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    pointer-events: none;
    transition:
        opacity 0.4s ease,
        transform 0.4s ease;
}

[data-theme="light"] .post-excerpt-card {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
}

.immersive-layout.ui-hidden .post-excerpt-card {
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}
/* ===========================
   Carousel
   =========================== */
.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-carouselle);
    transition: background-color var(--transition-theme);
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.carousel-slide.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 10;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--transition-theme),
        color var(--transition-theme),
        transform 0.2s ease;
    backdrop-filter: blur(4px);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(0, 0, 0, 0.6);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    transition: background-color var(--transition-theme);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition:
        background-color var(--transition-theme),
        transform 0.2s ease;
    padding: 0;
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.carousel-dot.active {
    background: white;
    transform: scale(1.2);
}

/* Light mode carousel controls */
[data-theme="light"].immersive-layout .carousel-prev,
[data-theme="light"].immersive-layout .carousel-next {
    background: rgba(0, 0, 0, 0.6);
    color: white;
}

[data-theme="light"].immersive-layout .carousel-prev:hover,
[data-theme="light"].immersive-layout .carousel-next:hover {
    background: rgba(0, 0, 0, 0.8);
}

[data-theme="light"].immersive-layout .carousel-indicators {
    background: rgba(0, 0, 0, 0.5);
}

[data-theme="light"].immersive-layout .carousel-dot {
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"].immersive-layout .carousel-dot:hover {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"].immersive-layout .carousel-dot.active {
    background: white;
}

/* Hide carousel controls in UI hidden mode */
.immersive-layout.ui-hidden .carousel-prev,
.immersive-layout.ui-hidden .carousel-next,
.immersive-layout.ui-hidden .carousel-indicators {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Fade transitions for navigation */
@keyframes immersiveFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes immersiveFadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}
.immersive-fade-in {
  animation: immersiveFadeIn 0.2s ease-out forwards;
}
.immersive-fade-out {
  animation: immersiveFadeOut 0.2s ease-in forwards;
}

/* Navigation press hints — shown on pointerdown in left/right zones */
.immersive-wrapper::before,
.immersive-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 30%;
    height: 100%;
    z-index: 15;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.12s ease;
}

.immersive-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.2), transparent);
}

.immersive-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.2), transparent);
}

.immersive-wrapper.pressing-left::before { opacity: 1; }
.immersive-wrapper.pressing-right::after  { opacity: 1; }

/* Highlight the matching nav button on press (works even in ui-hidden mode) */
.immersive-wrapper.pressing-left .carousel-prev,
.immersive-layout.ui-hidden .immersive-wrapper.pressing-left .carousel-prev {
    opacity: 1;
    background: rgba(0, 0, 0, 0.65);
    transform: translateY(-50%) scale(1.15);
}

.immersive-wrapper.pressing-right .carousel-next,
.immersive-layout.ui-hidden .immersive-wrapper.pressing-right .carousel-next {
    opacity: 1;
    background: rgba(0, 0, 0, 0.65);
    transform: translateY(-50%) scale(1.15);
}
/* ===========================
   Lightbox
   =========================== */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-normal),
        visibility var(--transition-normal);
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    transition: opacity 0.15s ease;
    border-radius: var(--border-radius, 8px);
}

.lightbox-caption {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--text-inverted);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    font-size: 2rem;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(0, 0, 0, 0.7);
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}
/**
 * Global Map Styles
 */

.map-container {
    height: calc(100vh - 260px);
    min-height: 500px;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.site-main--map .map-container {
    height: 100%;
    min-height: 0;
    margin-top: 0;
    border-radius: 0;
    box-shadow: none;
}

[data-theme="dark"] .map-container {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

#map {
    height: 100%;
    width: 100%;
    background: var(--bg-secondary, #f8fafc);
}

.map-header {
    margin-bottom: 1.5rem;
}

.map-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Custom Leaflet Marker Styling */
.custom-marker-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary, #3b82f6);
    color: white;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    font-weight: bold;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    z-index: 2;
}

.marker-label {
    position: absolute;
    left: 100%;
    margin-left: 8px;
    white-space: nowrap;
    background: var(--bg-primary, white);
    color: var(--text-primary, black);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    pointer-events: none;
    opacity: 0.8;
    transition: opacity 0.2s ease;
    z-index: 1;
}

[data-theme="dark"] .marker-label {
    background: var(--bg-secondary, #1e293b);
    border: 1px solid var(--border-primary, #334155);
}

.custom-marker-wrapper:hover .marker-label {
    opacity: 1;
    z-index: 1001;
}

.custom-marker:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
    z-index: 1000 !important;
}

/* Leaflet Popup Styling
 * !important is required because leaflet.css is loaded dynamically and may
 * override these rules depending on load order. */
.leaflet-popup-content-wrapper {
    background: var(--surface-card, #fff) !important;
    color: var(--text-primary, #0f172a) !important;
    border-radius: 8px !important;
    box-shadow: var(--shadow-md) !important;
    padding: 5px;
}

.leaflet-popup-tip {
    background: var(--surface-card, #fff) !important;
}

.leaflet-popup-content a:not(.map-popup-tag) {
    color: var(--color-primary, #2563eb);
}

.map-popup-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary) !important;
    background: var(--surface-hover);
    border: 1px solid var(--border-primary);
    border-radius: 9999px;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.map-popup-tag:hover {
    border-color: var(--color-primary, #2563eb);
    color: var(--color-primary, #2563eb) !important;
}

.tag-popup-title {
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 4px;
    display: block;
}

.tag-popup-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.map-popup-years {
    margin: 8px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.map-year-link {
    display: inline-flex;
    align-items: center;
    height: 1.625rem;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-card);
    border: 1px solid var(--border-primary);
    border-radius: 9999px;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.map-year-link:hover {
    border-color: var(--color-primary, #2563eb);
    color: var(--color-primary, #2563eb);
}

.leaflet-container {
    background-color: var(--bg-secondary) !important;
}

/* Tooltip styling */
.tag-tooltip {
    padding: 2px 4px;
}

/* Leaflet controls dark theme */
[data-theme="dark"] .leaflet-bar a,
[data-theme="dark"] .leaflet-control-zoom a {
    background-color: var(--surface-card);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .leaflet-bar a:hover,
[data-theme="dark"] .leaflet-control-zoom a:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

[data-theme="dark"] .leaflet-bar a.leaflet-disabled {
    background-color: var(--surface-card);
    color: var(--text-tertiary);
}

[data-theme="dark"] .leaflet-container .leaflet-control-attribution {
    background-color: var(--surface-card);
    color: var(--text-tertiary);
    border: 1px solid var(--border-primary);
}

[data-theme="dark"] .leaflet-container .leaflet-control-attribution a {
    color: var(--text-secondary);
}
/* ===========================
   Drop Zone Overlay (Quick Post Creation)
   =========================== */
.drop-zone-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(37, 99, 235, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.drop-zone-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.drop-zone-overlay.uploading {
    background: rgba(37, 99, 235, 0.98);
}

.drop-zone-content {
    text-align: center;
    color: white;
    padding: var(--spacing-2xl);
    max-width: 400px;
}

.drop-zone-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    animation: dropZoneBounce 1s ease infinite;
}

.drop-zone-overlay.uploading .drop-zone-icon {
    animation: dropZoneSpin 1s linear infinite;
}

@keyframes dropZoneBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes dropZoneSpin {
    from {
        transform: rotate(0deg);
    }

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

.drop-zone-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.drop-zone-hint {
    font-size: var(--font-size-base);
    opacity: 0.9;
}

.drop-zone-overlay.uploading .drop-zone-title {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .drop-zone-overlay {
    background: rgba(59, 130, 246, 0.95);
}

[data-theme="dark"] .drop-zone-overlay.uploading {
    background: rgba(59, 130, 246, 0.98);
}

/* Drag-over body state indicator */
body.drag-over::after {
    content: '';
    position: fixed;
    inset: 0;
    border: 4px dashed var(--color-primary);
    pointer-events: none;
    z-index: 9998;
}
/* ===========================
   Public Responsive
   =========================== */
@media (max-width: 1024px) {
    .posts-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: -1;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    /*.site-nav {
        flex-direction: column;
    }*/

    .site-nav.open {
        display: flex;
    }

    .nav-dropdown {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: var(--spacing-md);
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-dropdown.open .dropdown-menu {
        display: block;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .post-title {
        font-size: var(--font-size-2xl);
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .site-footer {
        padding-top: var(--spacing-lg);
    }

    .footer-content {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-content .pagination {
        order: -1;
    }

    .footer-copyright {
        order: 2;
    }

    .tags-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .tags-grid {
        grid-template-columns: 1fr;
    }
}