/**
 * ========================================
 * MC Record Decoder - Style CSS
 * Mobile-First Design
 * Neon Pink x Purple Theme
 * ========================================
 */

/* ========================================
   CSS Variables
   ======================================== */
   :root {
    /* Colors - Dark Purple Theme (Clean) */
    --color-bg: #110a18;
    --color-panel: #1c1528;
    --color-border: #5a3d70;
    --color-accent: #ff2d95;
    --color-accent-secondary: #d460ff;
    --color-accent-subtle: #ff2d9520;
    --color-surface: #ffffff0d;
    --color-text: #f0e8f8;
    --color-text-sub: #b8a0d0;
    --color-text-bright: #ffffff;
    --color-error: #ff9933;
    --color-success: #00ffaa;
    
    /* Spacing */
    --spacing: 0.5rem;
    
    /* Typography */
    --text-title: 1rem;
    --text-base: 0.75rem;
    --text-sm: 0.65rem;
    
    /* Component Sizes */
    --input-height: 2rem;
    --button-height: 2.25rem;
    --border-width: 0.125rem;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    
    /* Layout */
    --container-max-width: 90rem;
    --header-border-width: 0.25rem;
    --panel-min-height: 18rem;
    --footer-height: 5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    
    /* Layout & Menu Constants */
    --nav-width: 12rem;
    --z-index-nav: 100000;
    --z-index-backdrop: 99999;
    --z-index-overlay: 99990;
    --z-index-trigger: 100001;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    :root {
        --panel-min-height: 25rem;
    }
}

@media (min-width: 64rem) {
    :root {
        --spacing: 1rem;
        --text-title: 1.5rem;
        --text-base: 0.85rem;
        --text-sm: 0.75rem;
        --input-height: 2.5rem;
        --button-height: 2.75rem;
        --panel-min-height: 18rem;
    }
}

/* ========================================
   Base Reset
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 100%;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Layout
   ======================================== */

/* ラッパー：縦積み時はスクロール許容 */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

.page-wrapper > .canvas {
    flex: 1 0 auto;
}

.page-wrapper > .site-footer {
    flex-shrink: 0;
    padding-left: calc(0.75rem + 2.625rem);
}

@media (min-width: 64rem) {
    .page-wrapper > .site-footer {
        padding-left: calc(0.75rem + 2.25rem);
    }
}

.canvas {
    display: flex;
    gap: var(--spacing);
    width: 100%;
    padding: var(--spacing);
    padding-left: calc(var(--spacing) + 2.625rem);
}

@media (min-width: 64rem) {
    .canvas {
        padding-left: calc(var(--spacing) + 2.25rem);
    }
}

/* ========================================
   Ad Areas (Hidden during review)
   ======================================== */
.ad-placeholder {
    display: none !important;
}

.ad-side {
    display: none;
    flex: 1 1 0;
    min-width: 160px;
}

.ad-bottom {
    display: none;
}

@media (min-width: 64rem) {
    .ad-side {
        display: flex;
    }
}

.main-container {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    width: 100%;
    max-width: var(--container-max-width);
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

/* ========================================
   Header / Title Logo
   ======================================== */

.title-header {
    flex: none;
    display: flex;
    justify-content: center;
    padding: 0 0.15rem;
}

.title-logo {
    display: block;
    max-width: 100%;
    height: auto;
}

@media (min-width: 64rem) {
    .title-header {
        padding: 0 var(--border-radius-lg);
    }
}

header h1 {
    margin: 0;
    font-size: var(--text-title);
    font-weight: 800;
    color: var(--color-text-bright);
    border-left: var(--header-border-width) solid var(--color-accent);
    padding-left: 0.75rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   Panel Layout
   ======================================== */
.app-group {
    flex: 1 1 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing);
}

@media (min-width: 64rem) {
    .app-group {
        grid-template-columns: 1fr 1fr;
    }
}

.panel {
    display: flex;
    flex-direction: column;
    background: var(--color-panel);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing);
    gap: var(--spacing);
    min-width: 0;
    min-height: var(--panel-min-height);
    overflow: hidden;
}

@media (min-width: 64rem) {
    .panel {
        min-height: 31rem;
        min-width: 18rem;
    }
}

/* ========================================
   Input Section
   ======================================== */
.input-section {
    flex: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.config-box {
    display: flex;
    flex-direction: column;
}

.item-header {
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.config-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-sub);
    margin: 0;
    line-height: 1;
    letter-spacing: 0.02em;
}

/* Info Button */
.info-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-sub);
    font-size: 0.625rem;
    font-weight: 700;
    font-style: italic;
    cursor: help;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    flex-shrink: 0;
    border: none;
    padding: 0;
}

.info-trigger:hover {
    background: var(--color-accent);
    color: var(--color-text-bright);
}

.info-trigger:focus {
    outline: none;
}

/* Form Inputs */
input, select {
    width: 100%;
    height: var(--input-height);
    background: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-bright);
    padding: 0 var(--spacing);
    font-family: inherit;
    font-size: var(--text-base);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder {
    color: var(--color-text-sub);
}

input:hover, select:hover {
    border-color: var(--color-text-sub);
}

input:focus, select:focus {
    border-color: var(--color-accent);
}

select {
    appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a8299' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 0.875rem) center;
    cursor: pointer;
}

/* ========================================
   Drop Zone
   ======================================== */
.drop-section {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    min-height: 0;
}

.drop-zone {
    position: relative;
    flex: 1 1 0;
    min-height: 0;
    padding: var(--spacing);
    border: var(--border-width) dashed var(--color-border);
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: border-color var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
    container-type: size;
}

.drop-zone:hover {
    border-color: var(--color-text-sub);
}

.drop-zone:focus {
    outline: none;
    border-color: var(--color-accent);
}

.drop-zone.active {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.drop-zone .info-trigger {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
}

.dz-icon {
    opacity: 0.7;
    line-height: 1;
    font-size: clamp(1rem, 15cqh, 2rem);
}

.dz-text {
    color: var(--color-text-sub);
    line-height: 1.2;
    text-align: center;
    font-size: clamp(0.6rem, 10cqh, 0.85rem);
    margin-top: clamp(0.15rem, 3cqh, 0.5rem);
}

.dz-text b {
    color: var(--color-accent);
    display: block;
    font-size: inherit;
    font-weight: 700;
}

/* ========================================
   Console
   ======================================== */
.panel-output {
    overflow: hidden;
}

.panel-output .console-box {
    flex: 1 1 0;
    min-height: 0;
    background: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.console-header {
    flex: none;
    height: 1.75rem;
    padding: 0 var(--spacing);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    border-bottom: var(--border-width) solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text-sub);
    display: flex;
    align-items: center;
}

@media (min-width: 64rem) {
    .console-header {
        height: 2rem;
    }
}

#log-window {
    flex: 1 1 0;
    min-height: 0;
    max-height: 100%;
    padding: var(--spacing);
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: var(--text-base);
    line-height: 1.75;
    overflow-y: auto;
    overflow-x: hidden;
    color: var(--color-text);
}

/* Log Entry Styles */
.log-line {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.375rem;
    width: 100%;
    line-height: 1.6;
}

.log-content {
    flex: 1 1 auto;
    min-width: 0;
    word-break: break-word;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

.log-line:has(.tag-phase):not(.is-initial) {
    margin-top: var(--spacing) !important;
    padding-top: var(--spacing) !important;
    border-top: 0.0625rem solid var(--color-border) !important;
}

#log-window .log-line:first-child,
#log-window .log-line.is-initial:first-of-type {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
}

/* Tag Styles */
.tag {
    display: inline-block;
    flex: none;
    white-space: nowrap;
    width: 3.5rem;
    text-align: center;
    padding: 0.1875rem 0;
    margin-right: 0.5rem;
    border-radius: 0.1875rem;
    font-size: var(--text-sm);
    font-weight: 600;
    border: 0.09375rem solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text-sub);
    text-transform: capitalize;
}

@media (min-width: 64rem) {
    .tag {
        width: 4rem;
        margin-right: 0.75rem;
    }
}

.tag-phase {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tag-error {
    border-color: var(--color-error);
    color: var(--color-error);
}

/* Summary Box */
.summary-box {
    margin-top: var(--spacing);
    padding: var(--spacing);
    background: var(--color-accent-subtle);
    border: var(--border-width) solid var(--color-accent);
    border-left-width: 0.25rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--text-base);
    color: var(--color-text-bright);
    line-height: 1.6;
}

/* ========================================
   Buttons
   ======================================== */
#btn-start {
    flex: none;
}

#btn-start, .btn-dl {
    height: var(--button-height);
    min-width: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing);
    border: var(--border-width) solid transparent;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--text-base);
    letter-spacing: 0.02em;
    cursor: pointer;
    background: var(--color-border);
    color: var(--color-text-sub);
    transition: background var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-fast), box-shadow var(--transition-normal);
    margin: 0;
}

#btn-start:disabled, .btn-dl:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

#btn-start.ready {
    background: var(--color-accent);
    color: white;
    border-color: transparent;
}

#btn-start.ready:hover {
    transform: translateY(-0.125rem);
}

#btn-start.ready:active {
    transform: translateY(0);
}

.btn-dl.active {
    background: var(--color-accent);
    color: white;
    border-color: transparent;
    cursor: pointer;
}

.btn-dl.active:hover {
    transform: translateY(-0.125rem);
}

.btn-dl.active:active {
    transform: translateY(0);
}

.dl-group {
    flex: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing);
}

.btn-dl {
    width: 100%;
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar {
    width: 0.5rem;
    height: 0.5rem;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 1rem;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-secondary);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

/* ========================================
   Print & Misc
   ======================================== */
@media print {
    .canvas {
        height: auto;
        overflow: visible;
    }
    
    .app-group {
        display: block;
    }
    
    .panel {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}

.ad-space-stacked {
    display: none;
}

/* ========================================
   Menu Trigger
   ======================================== */
.menu-trigger {
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-index-trigger);
    height: 100dvh;
    width: 2.625rem;
    background: var(--color-panel);
    border: none;
    border-right: 1px solid var(--color-border);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.15s ease;
    will-change: transform, opacity;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.menu-trigger:hover {
    border-right-color: var(--color-text-sub);
}

.menu-trigger:hover span,
.menu-trigger:hover span::before,
.menu-trigger:hover span::after {
    background: var(--color-text-sub);
}

.menu-trigger:active {
    background: #2a1525;
    border-right-color: var(--color-accent);
}

.menu-trigger:active span,
.menu-trigger:active span::before,
.menu-trigger:active span::after {
    background: var(--color-accent);
}

.side-nav.open ~ .menu-trigger {
    transform: translateX(calc(var(--nav-width) - 2.625rem));
    opacity: 0;
    border-right-color: transparent;
    pointer-events: none;
}

.menu-trigger span,
.menu-trigger span::before,
.menu-trigger span::after {
    content: '';
    display: block;
    width: 1rem;
    height: 2px;
    background: var(--color-text-sub);
    border-radius: 2px;
    transition: 0.2s ease;
    position: relative;
}

.menu-trigger span::before { position: absolute; top: -0.3rem; left: 0; width: 1rem; height: 2px; }
.menu-trigger span::after { position: absolute; bottom: -0.3rem; left: 0; width: 1rem; height: 2px; }

@media (min-width: 64rem) {
    .menu-trigger {
        width: 2.25rem;
    }
    
    .side-nav.open ~ .menu-trigger {
        transform: translateX(calc(var(--nav-width) - 2.25rem));
    }
}

/* ========================================
   Side Navigation
   ======================================== */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--nav-width);
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    z-index: var(--z-index-nav);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.side-nav.open {
    transform: translateX(0);
}

.menu-header {
    padding: 0 1.25rem 0.75rem;
    color: var(--color-text-bright);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.8;
}

.menu-item {
    display: block;
    text-decoration: none;
    padding: 0.6rem 1.25rem;
    color: var(--color-text-sub);
    cursor: pointer;
    font-size: var(--text-base);
    border-left: 2px solid transparent;
    transition: all 0.15s ease;
}

.menu-item:hover {
    color: var(--color-text-bright);
    background: rgba(255, 255, 255, 0.03);
}

.side-nav.open .menu-item.active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: transparent;
}

/* ========================================
   Menu Backdrop - GPU accelerated fade
   ======================================== */
#menu-backdrop,
.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    will-change: opacity;
    transform: translateZ(0);
}

#menu-backdrop.visible,
.menu-backdrop.visible {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Site Footer - Compact
   ======================================== */
.site-footer {
    flex: none;
    padding: 0.75rem 0.75rem;
    padding-left: calc(0.75rem + 2.625rem);
    text-align: center;
    color: var(--color-text);
    background: #0a0510;
    border-top: 1px solid var(--color-border);
}

@media (min-width: 64rem) {
    .site-footer {
        padding-left: calc(0.75rem + 2.25rem);
    }
}

.back-to-top {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--color-accent);
    border-radius: 0.375rem;
    margin-bottom: 0.4rem;
    transition: all var(--transition-fast);
}

.back-to-top:hover {
    background: var(--color-accent);
    color: var(--color-text-bright);
}

.disclaimer {
    font-size: 0.6rem;
    color: var(--color-text-sub);
    margin: 0.3rem 0;
    line-height: 1.4;
}

.copyright {
    font-size: 0.55rem;
    color: var(--color-text-sub);
    opacity: 0.7;
    margin: 0;
}

/* ========================================
   Tool Description Section (Top Page)
   ======================================== */
.tool-description {
    flex: none;
    background: var(--color-panel);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing);
}

.tool-description h2 {
    color: var(--color-accent);
    font-size: 1rem;
    margin: 0 0 0.5rem 0;
    border-left: 3px solid var(--color-accent);
    padding-left: 0.5rem;
}

.tool-description p {
    color: var(--color-text);
    font-size: var(--text-base);
    line-height: 1.6;
    margin: 0 0 0.5rem 0;
}

.tool-description p:last-child {
    margin-bottom: 0;
}

.tool-description a {
    color: var(--color-accent);
    text-decoration: none;
}

.tool-description a:hover {
    text-decoration: underline;
}

/* ========================================
   Page Logo (for standalone pages)
   Blog-style header
   ======================================== */
.page-logo {
    max-width: 65rem;
    margin: 0 auto;
    padding: calc(var(--spacing) * 4) calc(var(--spacing) * 2) calc(var(--spacing) * 1.5);
    padding-left: calc(2.625rem + var(--spacing) * 2);
    padding-right: calc(var(--spacing) * 2);
    position: relative;
}

@media (min-width: 64rem) {
    .page-logo {
        padding-left: calc(2.25rem + var(--spacing) * 2);
        padding-top: calc(var(--spacing) * 5);
    }
}

.page-logo a {
    display: block;
    transition: opacity var(--transition-fast);
}

.page-logo a:hover {
    opacity: 0.85;
}

.page-logo img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 1.5rem;
}

/* Page meta (date) - Simple blog-style */
.page-meta {
    max-width: 65rem;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 2) calc(var(--spacing) * 2.5);
    padding-left: calc(2.625rem + var(--spacing) * 2);
    padding-right: calc(var(--spacing) * 2);
    font-size: var(--text-sm);
    color: var(--color-text-sub);
    opacity: 0.7;
    margin-bottom: calc(var(--spacing) * 2);
}

@media (min-width: 64rem) {
    .page-meta {
        padding-left: calc(2.25rem + var(--spacing) * 2);
    }
}

/* Hide old header styles */
.page-header {
    display: none;
}

.header-nav {
    display: none;
}

/* Mobile menu button - hidden (using side menu instead) */
.mobile-menu-btn {
    display: none;
}

/* Mobile Navigation - hidden (using side menu instead) */
.mobile-nav {
    display: none;
}

/* ========================================
   Independent Pages - Main Content
   Blog-style article layout
   ======================================== */
.page-content {
    max-width: 65rem;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 2) calc(var(--spacing) * 3);
    padding-left: calc(2.625rem + var(--spacing) * 2);
    padding-right: calc(var(--spacing) * 2);
    min-height: calc(100vh - 15rem);
}

@media (min-width: 64rem) {
    .page-content {
        padding-left: calc(2.25rem + var(--spacing) * 2);
    }
}

.content-article {
    line-height: 1.9;
    font-size: var(--text-base);
}

@media (min-width: 64rem) {
    .content-article {
        font-size: 0.95rem;
    }
}

/* Main Title - Prominent with gradient underline */
.content-article h1 {
    color: var(--color-text-bright);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    position: relative;
}

.content-article h1::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 4rem;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
    border-radius: 2px;
}

@media (min-width: 64rem) {
    .content-article h1 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }
    
    .content-article h1::after {
        width: 5rem;
    }
}

/* Section Heading - Elegant with accent bar */
.content-article h2 {
    color: var(--color-text-bright);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-left: 0.75rem;
    position: relative;
}

.content-article h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.25em;
    bottom: 0.25em;
    width: 3px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-secondary));
    border-radius: 2px;
}

/* First h2 has less top margin */
.content-article h2:first-of-type {
    margin-top: 0;
}

@media (min-width: 64rem) {
    .content-article h2 {
        font-size: 1.25rem;
        margin-top: 3.5rem;
    }
}

/* Subsection Heading - Subtle with dot accent */
.content-article h3 {
    color: var(--color-text-bright);
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    padding-left: 0.85rem;
    position: relative;
}

.content-article h3::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0.05em;
    color: var(--color-accent);
    font-size: 1em;
    line-height: inherit;
}

@media (min-width: 64rem) {
    .content-article h3 {
        font-size: 1.05rem;
    }
}

/* Paragraphs - Enhanced readability */
.content-article p {
    margin-bottom: 1.5rem;
    color: var(--color-text);
    opacity: 0.92;
}

.content-article p strong {
    color: var(--color-text-bright);
    font-weight: 600;
}

/* Lists - Better visual hierarchy */
.content-article ul,
.content-article ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.content-article li {
    margin-bottom: 0.5rem;
    color: var(--color-text);
    opacity: 0.9;
    padding-left: 0.25rem;
}

.content-article li::marker {
    color: var(--color-accent);
}

/* Nested lists */
.content-article li ul,
.content-article li ol {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Links - Simple interaction */
.content-article a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.content-article a:hover {
    border-bottom-color: var(--color-accent);
}

/* External links - subtle indicator */
.content-article a[target="_blank"]::before {
    content: '';
    display: inline-block;
    width: 0.7em;
    height: 0.7em;
    margin-right: 0.2em;
    background: currentColor;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M14 2.5a.5.5 0 0 0-.5-.5h-6a.5.5 0 0 0 0 1h4.793L2.146 13.146a.5.5 0 0 0 .708.708L13 3.707V8.5a.5.5 0 0 0 1 0v-6z'/%3E%3C/svg%3E") no-repeat center;
    opacity: 0.5;
}

/* Code - Clean inline code */
.content-article code {
    color: var(--color-accent-secondary);
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.9em;
}

/* Code blocks - Enhanced container */
.content-article pre {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.25rem 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1.75rem;
    border: 1px solid var(--color-border);
    position: relative;
}

.content-article pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
}

.content-article pre code {
    padding: 0;
    background: none;
    color: var(--color-text);
    border: none;
}

/* Language Separator - Elegant gradient */
.lang-separator {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent) 0%, transparent 50%, var(--color-accent) 100%);
    margin: 3rem 0;
    opacity: 0.3;
}

/* Discord Box (Contact page) - Simple card style */
.discord-box {
    border-left: 4px solid var(--color-accent-secondary);
    background: rgba(88, 101, 242, 0.05);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0.5rem;
}

.discord-box p {
    margin-bottom: 0.5rem;
}

.discord-box p:last-child {
    margin-bottom: 0;
}

.discord-link {
    color: var(--color-accent-secondary) !important;
    font-weight: 600;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.9em;
}

/* Blockquote style (for future use) */
.content-article blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    border-left: 3px solid var(--color-accent);
    background: rgba(255, 45, 149, 0.05);
    border-radius: 0 0.5rem 0.5rem 0;
    font-style: italic;
    color: var(--color-text);
}

.content-article blockquote p:last-child {
    margin-bottom: 0;
}

/* Info boxes / Call-out sections */
.info-box,
.warning-box,
.tip-box {
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    border-radius: 0.5rem;
    border-left: 4px solid;
}

.info-box {
    background: rgba(0, 255, 170, 0.05);
    border-left-color: var(--color-success);
}

.warning-box {
    background: rgba(255, 153, 51, 0.05);
    border-left-color: var(--color-error);
}

.tip-box {
    background: rgba(212, 96, 255, 0.05);
    border-left-color: var(--color-accent-secondary);
}

/* Table styles (for future use) */
.content-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9em;
}

.content-article th,
.content-article td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.content-article th {
    background: rgba(255, 45, 149, 0.08);
    color: var(--color-text-bright);
    font-weight: 600;
}

.content-article tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Horizontal rule - styled divider */
.content-article hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: 2.5rem 0;
}

/* Log faint style */
.log-faint {
    opacity: 0.5;
    font-size: 0.7rem;
    margin-bottom: 0px !important;
}

/* ========================================
   Language Selector
   ======================================== */
.menu-lang {
    padding: var(--spacing) 1.5rem;
    margin-top: auto;
}

.lang-select {
    width: 100%;
    appearance: none;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-sub);
    padding: 0.4rem 2rem 0.4rem 0.6rem;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%23b8a0d0' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 0.5rem) center;
}

.lang-select:hover {
    border-color: var(--color-accent);
    color: var(--color-text-bright);
}

.lang-select:focus {
    outline: none;
    border-color: var(--color-accent);
}
/* ========================================
   Additional Blog-style Enhancements
   ======================================== */

/* First paragraph emphasis (optional drop cap style) */
.content-article > p:first-of-type {
    font-size: 1.05em;
    color: var(--color-text-bright);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Selection style */
::selection {
    background: var(--color-accent);
    color: white;
}

::-moz-selection {
    background: var(--color-accent);
    color: white;
}

/* Focus visible for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .side-nav,
    .menu-trigger,
    .menu-backdrop,
    .site-footer,
    .back-to-top {
        display: none !important;
    }
    
    .page-content {
        padding-left: 0 !important;
    }
    
    .content-article a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: var(--color-text-sub);
    }
}