/* =========================================================
   DESIGN TOKENS
   ========================================================= */

/* dark mode defaults */
:root {
    /* Semantic color tokens */
    --color-surface-base: #141410;
    --color-surface-elevated: #1e1e1a;
    --color-surface-subtle: #252520;
    --color-text-primary: #ebe5d9;
    --color-text-muted: #9a9483;
    --color-accent-primary: #5d7e6f;
    --color-accent-secondary: #c8956f;
    --color-accent-tertiary: #7a8a9e;
    --color-border-subtle: rgba(200, 149, 111, 0.12);
    --color-border-strong: rgba(200, 149, 111, 0.4);
    --color-placeholder: #a9a38f;
    --color-on-accent: #141410;

    /* Existing aliases (backwards compatible) */
    --bg: var(--color-surface-base);
    --bg-secondary: var(--color-surface-elevated);
    --bg-tertiary: var(--color-surface-subtle);
    --surface: var(--color-surface-elevated);
    --text: var(--color-text-primary);
    --text-muted: var(--color-text-muted);
    --text-secondary: var(--color-text-muted);
    --accent-green: var(--color-accent-primary);
    --accent-orange: var(--color-accent-secondary);
    --accent-blue: var(--color-accent-tertiary);
    --border: var(--color-border-subtle);
    --danger: #c0392b;

    /* Spacing scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Radius scale */
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 6px;
    --radius-pill: 999px;

    /* Type scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.6rem;
    --font-size-3xl: 2.2rem;

    --overlay: rgba(20, 20, 16, 0.88);
    --nav-bg: rgba(30, 30, 26, 0.95);
    --card-bg: rgba(30, 30, 26, 0.7);
    --max-width: 1100px;
    --reading-width: 720px;
    --sidebar-width: 220px;
    --gap: var(--space-8);
    --gap-sm: var(--space-4);
    --gap-xs: var(--space-2);
    --radius: var(--radius-md);

    /* Color scheme */
    color-scheme: dark;

    /* Audio filter */
    --audio-filter: invert(0.85);
}

/* light mode */
[data-theme="light"] {
    --color-surface-base: #f4f0e8;
    --color-surface-elevated: #eae4d8;
    --color-surface-subtle: #dfd8cc;
    --color-text-primary: #2c2c24;
    --color-text-muted: #6a6458;
    --color-accent-primary: #3d6050;
    --color-accent-secondary: #b07545;
    --color-accent-tertiary: #4a5a6e;
    --color-border-subtle: rgba(80, 60, 40, 0.15);
    --color-border-strong: rgba(80, 60, 40, 0.45);
    --color-placeholder: #736c60;
    --color-on-accent: #f4f0e8;

    --overlay: rgba(244, 240, 232, 0.88);
    --nav-bg: rgba(234, 228, 216, 0.95);
    --card-bg: rgba(234, 228, 216, 0.7);

    color-scheme: light;
    --audio-filter: invert(0.15);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: "Atkinson Hyperlegible Next", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: 0.01em;
    min-height: 100vh;
    position: relative;
}
:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}
.nav-links a:focus-visible,
.menu-toggle:focus-visible,
.theme-toggle:focus-visible,
.skip-link:focus-visible {
    outline-width: 3px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-image: var(--bg-image, none);
    transition: opacity 0.5s ease;
}
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--overlay);
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: 1.05rem; }

p { margin-bottom: 1em; }

a {
    color: var(--accent-green);
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 2px;
    transition: text-decoration-color 0.15s;
}
a:hover { text-decoration-color: var(--accent-green); }
a:visited { color: var(--accent-blue); }

small, .small { font-size: 0.875rem; }
.mono { font-family: "Courier New", Courier, monospace; }
.muted { color: var(--text-muted); }
.green { color: var(--accent-green); }
.orange { color: var(--accent-orange); }
.blue { color: var(--accent-blue); }

/* SKIP LINK */
.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    transform: translateY(-150%);
    z-index: 9999;
    padding: 0.75rem 1.5rem;
    background: var(--accent-green);
    color: var(--bg);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: transform 0.2s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =========================================================
   COMPONENT: NAVIGATION
   ========================================================= */
nav {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--accent-green) !important;
    text-decoration: none !important;
    letter-spacing: 0.02em;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    align-items: center;
}
.nav-links a {
    font-size: 0.9rem;
    color: var(--text-muted) !important;
    text-decoration: none !important;
    padding: var(--space-1) 0;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover,
.nav-links a[aria-current="page"],
.nav-links a.active {
    color: var(--text) !important;
    border-bottom-color: var(--accent-orange);
}

/* Theme toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem var(--space-2);
    border-radius: var(--radius);
    font-size: 1rem;
    line-height: 1;
    transition: color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
}
.theme-toggle:hover {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--space-2);
}
.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
}

/* SITE LAYOUT */
.site-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: var(--gap);
    align-items: start;
}

/* SIDEBAR */
.sidebar {
    position: sticky;
    top: 4rem;
    font-size: 0.9rem;
    grid-column: 1;
    grid-row: 1;
}
.sidebar-section {
    margin-bottom: 1.5rem;
}
.sidebar h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-top: 0;
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border);
}
.sidebar ul {
    list-style: none;
    margin: 0;
}
.sidebar li {
    margin-bottom: 0.35rem;
}
.sidebar a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.15s;
}
.sidebar a:hover { color: var(--accent-green); }
.sidebar .toc a {
    display: block;
    padding: 0.2rem 0 0.2rem 0.75rem;
    border-left: 2px solid var(--border);
}
.sidebar .toc a:hover,
.sidebar .toc a.active {
    border-left-color: var(--accent-green);
    color: var(--text);
}

/* PAGE CONTENT */
.page-content {
    min-width: 0;
    grid-column: 2;
    grid-row: 1;
}

/* HERO */
.hero {
    padding: 2rem 0 1rem;
}
.hero h1 {
    margin-top: 0;
    font-size: 2.5rem;
}
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: var(--reading-width);
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.15rem;
}
.btn-primary {
    background: var(--accent-green);
    color: var(--bg);
}
.btn-primary:hover {
    background: transparent;
    color: var(--accent-green);
}
.btn-secondary {
    border-color: var(--border);
    color: var(--text);
}
.btn-secondary:hover {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--color-on-accent);
}

/* HERO WITH PORTRAIT */
.hero-with-portrait {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: center;
}
.hero-text {
    min-width: 0;
}
.hero-portrait {
    position: relative;
}

/* PORTRAIT STYLING */
.portrait {
    width: 100%;
    height: auto;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    padding: 0.75rem;
    /* Theme-adaptive tinting toward green accent */
    filter: grayscale(20%) brightness(0.92) contrast(1.05) sepia(15%) hue-rotate(90deg) saturate(0.7);
    opacity: 0.95;
    transition: transform 0.2s ease, filter 0.2s ease;
}
.portrait:hover {
    transform: scale(1.02);
    filter: grayscale(10%) brightness(0.95) contrast(1.08) sepia(20%) hue-rotate(90deg) saturate(0.8);
}

[data-theme="light"] .portrait {
    filter: grayscale(30%) brightness(0.88) contrast(1.1) sepia(25%) hue-rotate(90deg) saturate(1.1);
    opacity: 0.97;
}
[data-theme="light"] .portrait:hover {
    filter: grayscale(20%) brightness(0.9) contrast(1.12) sepia(30%) hue-rotate(90deg) saturate(1.2);
}

/* ABOUT INTRO WITH PORTRAIT */
.intro-with-portrait {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    align-items: start;
}
.intro-portrait {
    position: sticky;
    top: 5rem;
}
.intro-portrait .portrait {
    width: 100%;
}

/* GRIDS */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: start;
}
.three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}
.auto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--gap);
}

/* BREADCRUMB */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-green); }
.breadcrumb .sep { margin: 0 0.4rem; }

/* =========================================================
   COMPONENT: ROUTE + PREVIEW CARDS
   ========================================================= */
.article-preview {
    border: 1px solid var(--border);
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: var(--space-5);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}
.article-preview h3 {
    margin-top: 0;
    font-size: var(--font-size-lg);
}
.article-preview h3 a {
    color: var(--text);
    text-decoration: none;
}
.article-preview h3 a:hover {
    text-decoration: underline;
    text-decoration-color: var(--accent-green);
}
.article-preview .preview-meta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.article-preview p {
    font-size: 0.95rem;
    margin-bottom: var(--space-3);
    flex-grow: 1;
}
.article-preview .read-more {
    font-size: 0.85rem;
    align-self: flex-start;
}

/* TAGS */
.tag {
    display: inline-block;
    font-size: 0.7rem;
    font-family: "Courier New", monospace;
    padding: 0.15rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tag-green { border-color: var(--accent-green); color: var(--accent-green); }
.tag-orange { border-color: var(--accent-orange); color: var(--accent-orange); }
.tag-blue { border-color: var(--accent-blue); color: var(--accent-blue); }

/* ARTICLE CONTENT */
.article-content {
    max-width: var(--reading-width);
}
.article-content h2 { margin-top: 2em; }
.article-content img { margin: 1.5rem 0; border: 1px solid var(--border); }
.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.article-header h1 { margin-bottom: 0.5rem; }
.article-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}
.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* SECTIONS */
section { margin-bottom: 2.5rem; }
.section-rule {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

/* TABLES */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
    background: var(--bg-secondary);
}
th, td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(93, 126, 111, 0.08);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* LISTS */
ul, ol { margin-left: 1.25rem; margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }

/* CODE */
pre {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent-green);
    padding: 1rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    border-radius: var(--radius);
    font-size: 0.85rem;
    line-height: 1.5;
}
code { font-family: "Courier New", Courier, monospace; font-size: 0.88em; }
:not(pre) > code {
    background: var(--bg-tertiary);
    padding: 0.15em 0.4em;
    border-radius: 2px;
}

/* IMAGES */
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
figure { margin: 1.5rem 0; }
figcaption { font-size: 0.85rem; color: var(--text-muted); font-style: italic; margin-top: 0.5rem; }

/* GALLERY */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--gap-sm);
    margin: 1.5rem 0;
}
.gallery figure {
    margin: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.gallery img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; margin: 0; }
.gallery figcaption { padding: 0.6rem 0.75rem; margin: 0; }

/* CALLOUT */
.callout {
    border-left: 4px solid var(--accent-green);
    background: rgba(93, 126, 111, 0.06);
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    border-radius: var(--radius);
}
.callout.warn { border-left-color: var(--accent-orange); background: rgba(200, 149, 111, 0.06); }
.callout.info { border-left-color: var(--accent-blue); background: rgba(122, 138, 158, 0.06); }
.callout p:last-child { margin-bottom: 0; }

/* =========================================================
   COMPONENT: BUTTONS
   ========================================================= */
.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-5);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    background: transparent;
    border-radius: var(--radius);
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.btn:hover { background: var(--accent-green); color: var(--bg); }

/* =========================================================
   COMPONENT: FOOTER
   ========================================================= */
footer {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: var(--space-8) 0 var(--space-6);
    margin-top: var(--space-12);
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}
.footer-inner p { margin: 0; font-size: 0.8rem; color: var(--text-muted); }
.footer-links {
    display: flex;
    gap: var(--space-5);
    list-style: none;
    margin: 0;
}
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent-green); }

/* ARTICLE NAV */
.article-nav {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    margin-top: 2rem;
    font-size: 0.9rem;
}
.article-nav a { text-decoration: none; }
.article-nav .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 0.2rem;
}

/* BG CREDIT */
.bg-credit {
    position: fixed;
    bottom: 0.5rem;
    right: 0.75rem;
    font-size: 0.65rem;
    color: var(--text-muted);
    opacity: 0.5;
    z-index: 10;
    text-decoration: none;
}
.bg-credit:hover { opacity: 1; }

/* ICON HELPERS */
.bi { margin-right: 0.3em; }

/* AUDIO PLAYER / TRACK LIST */
.track-list {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}
.track {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 1rem 1.25rem;
}
.track-title {
    font-weight: 600;
    display: block;
    margin-bottom: 0.15rem;
}
.track-meta {
    display: block;
    margin-bottom: 0.75rem;
}
.track audio {
    width: 100%;
    height: 36px;
}

/* UTILITY */
.no-bullets { list-style: none; margin-left: 0; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-gap { margin-top: var(--gap); }
.mb-gap { margin-bottom: var(--gap); }
.mb-md { margin-bottom: 1.5rem; }
.mt-md { margin-top: 1rem; }

/* PLACEHOLDER */
.placeholder-section {
    text-align: center;
    padding: 3rem 1rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
}
.placeholder-section h2 { border: none; color: var(--text-muted); }

/* Route cards */
.route-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-sm);
    margin-top: var(--space-4);
}
.route-card {
    display: block;
    padding: var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    text-decoration: none !important;
    color: var(--text) !important;
    transition: border-color 0.15s, transform 0.1s;
}
.route-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}
.route-card:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}
.route-icon {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-right: 0;
    display: block;
    margin-bottom: 0.5rem;
}
.route-card h3 {
    font-size: 1rem;
    margin-top: 0;
    margin-bottom: 0.3rem;
}
.route-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* PROOF STRIP */
.proof-strip {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-bottom: 2.25rem;
}
.proof-item {
    padding: 0.85rem 1rem;
    border-right: 1px solid var(--border);
}
.proof-item:last-child {
    border-right: none;
}
.proof-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.15rem;
}
@media (max-width: 600px) {
    .route-grid { grid-template-columns: 1fr; }
    .proof-strip { grid-template-columns: 1fr; }
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .site-layout { grid-template-columns: 1fr; }
    .sidebar {
        position: static;
        border-top: 1px solid var(--border);
        padding-top: 1.5rem;
        display: none;
        grid-column: 1;
        grid-row: 2;
    }
    .page-content {
        grid-column: 1;
        grid-row: 1;
    }
    .sidebar.mobile-open { display: block; }
    .two-col, .three-col { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        flex-direction: column;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links[hidden] {
        display: none !important;
    }
    .nav-links.active { display: flex; }
    .menu-toggle { display: flex; }
    .hero h1 { font-size: 1.8rem; }
    .hero { padding-top: 1rem; }
    .hero-sub { margin-bottom: 0.65rem; }
    .auto-grid { grid-template-columns: 1fr; }
    .hero-with-portrait {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .hero-portrait {
        max-width: 180px;
        margin: 0 auto;
    }
    .proof-strip {
        grid-template-columns: 1fr;
    }
    .proof-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .proof-item:last-child {
        border-bottom: none;
    }
    .intro-with-portrait {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .intro-portrait {
        position: static;
        max-width: 200px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    body { font-size: 15px; }
    .site-layout { padding: 1.5rem 1rem 2rem; }
    .hero h1 { font-size: 1.55rem; }
    .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
    }
    .hero-actions .btn {
        text-align: center;
    }
}

@media print {
    nav, footer, .sidebar, .skip-link, .bg-credit, .theme-toggle,
    .search-overlay, .gallery-lightbox, .site-search-toggle,
    .shop-filter-row, .gallery-filters, .menu-toggle,
    .hero-actions, .pdf-actions, .product-actions,
    audio, .track-embed, .contact-form { display: none !important; }
    body { background: #fff; color: #000; font-size: 11pt; line-height: 1.5; }
    body::before, body::after { display: none; }
    a { color: #000; text-decoration: underline; }
    a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
    a[href^="#"]::after, a[href^="javascript"]::after { content: ""; }
    .site-layout { grid-template-columns: 1fr; max-width: 100%; padding: 0; }
    .page-content { max-width: 100%; }
    pre { border: 1px solid #ccc; page-break-inside: avoid; }
    img { max-width: 100% !important; page-break-inside: avoid; }
    h1, h2, h3, h4 { page-break-after: avoid; }
    .article-content { max-width: 100%; }
    .product-card, .gallery-card, .article-preview, .route-card {
        border: 1px solid #ccc;
        page-break-inside: avoid;
        box-shadow: none;
        backdrop-filter: none;
    }
    .tag { border-color: #999; color: #333; }
}


/* =========================================================
   COMPONENT: CONTACT FORM
   ========================================================= */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 580px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.form-group label {
    font-size: var(--font-size-sm);
}
.contact-form .form-control {
    max-width: 100%;
}
.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}
.contact-form .btn-primary {
    align-self: flex-start;
}

/* =========================================================
   COMPONENT: AUDIO PLAYER THEMING
   ========================================================= */
.track audio {
    width: 100%;
    height: 36px;
    border-radius: var(--radius);
    accent-color: var(--accent-green);
}
audio::-webkit-media-controls-panel {
    background: var(--bg-secondary);
}
audio::-webkit-media-controls-play-button,
audio::-webkit-media-controls-mute-button {
    filter: var(--audio-filter, none);
}

/* Embedded player (SoundCloud / Bandcamp) */
.track-embed {
    margin-top: var(--space-2);
    margin-bottom: var(--space-3);
}
.track-embed iframe {
    width: 100%;
    min-height: 120px;
    max-height: 300px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

/* =========================================================
   COMPONENT: LAST-UPDATED STAMP
   ========================================================= */
.last-updated {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: right;
    margin-top: var(--space-8);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
}


/* =========================================================
   COMPONENT: FORMS + BLOG LIST
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    body::before,
    .portrait,
    .route-card,
    .skip-link {
        transition: none !important;
    }

    .portrait:hover,
    .route-card:hover {
        transform: none;
    }
}

.blog-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.form-control,
.blog-search {
    width: 100%;
    max-width: 580px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text);
    padding: 0.65rem 0.8rem;
    font: inherit;
}
.form-control:focus-visible,
.blog-search:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
    border-color: var(--color-border-strong);
}
.blog-search::placeholder {
    color: var(--color-placeholder);
}
.blog-list {
    display: grid;
    gap: var(--gap-sm);
}
.empty-state {
    color: var(--text-muted);
    font-style: italic;
}

/* =========================================================
   THEME PARITY CONTRAST GUARDS
   ========================================================= */

@media (prefers-contrast: more) {
    .nav-links a,
    .footer-links a,
    .route-card p,
    .empty-state,
    .blog-search::placeholder {
        color: var(--text);
    }

    .route-card,
    .article-preview,
    .blog-search,
    .theme-toggle {
        border-color: var(--color-border-strong);
    }
}

@media (forced-colors: active) {
    .route-card,
    .article-preview,
    .blog-search,
    .theme-toggle,
    .btn {
        forced-color-adjust: auto;
        border: 1px solid CanvasText;
    }
}

/* =========================================================
   COMPONENT: SITE-WIDE SEARCH OVERLAY
   ========================================================= */
.site-search-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem var(--space-2);
    border-radius: var(--radius);
    font-size: 1rem;
    line-height: 1;
    transition: color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
}
.site-search-toggle:hover {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: var(--overlay);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 8vh;
}
.search-overlay[hidden] { display: none; }

.search-overlay-inner {
    width: 100%;
    max-width: 620px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 70vh;
}

.search-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
}
.search-icon {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-right: 0;
}
.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font: inherit;
    font-size: 1rem;
    outline: none;
}
.search-input::placeholder { color: var(--color-placeholder); }
.search-kbd {
    font-size: 0.7rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0.1rem 0.4rem;
    font-family: inherit;
    line-height: 1.4;
}

.search-results {
    overflow-y: auto;
    padding: var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.search-result-card {
    display: block;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    text-decoration: none !important;
    color: var(--text) !important;
    transition: border-color 0.15s, transform 0.1s;
}
.search-result-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-1px);
}
.search-result-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}
.search-result-icon {
    font-size: 0.85rem;
    color: var(--accent-green);
    margin-right: 0;
}
.search-result-category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}
.search-result-title {
    font-size: 1rem;
    margin: 0 0 var(--space-1) 0;
    font-weight: 600;
}
.search-result-preview {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0 var(--space-2) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.search-result-tags { display: flex; gap: 0.3rem; flex-wrap: wrap; }

.search-footer {
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid var(--border);
    text-align: center;
}
.search-empty {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--space-6) 0;
}

@media (max-width: 768px) {
    .search-overlay { padding-top: 2vh; }
    .search-overlay-inner { max-height: 85vh; margin: 0 var(--space-3); }
}

/* =========================================================
   COMPONENT: GALLERY GRID + LIGHTBOX
   ========================================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--gap-sm);
    margin-top: var(--space-4);
}

.gallery-card {
    position: relative;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}
.gallery-card:hover,
.gallery-card:focus-visible {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}
.gallery-card:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

.gallery-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-radius: 0;
    margin: 0;
    transition: transform 0.3s ease;
}
.gallery-card:hover img { transform: scale(1.03); }

.gallery-card-link {
    display: block;
    text-decoration: none !important;
    color: inherit !important;
}

.gallery-caption {
    padding: var(--space-3) var(--space-4);
    font-style: normal;
    margin: 0;
}
.gallery-caption strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: var(--space-1);
}
.gallery-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.gallery-tags { display: flex; gap: 0.3rem; flex-wrap: wrap; }

/* Lightbox */
.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9500;
    background: var(--overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}
.gallery-lightbox[hidden] { display: none; }

.gallery-lightbox-inner {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 700px;
    width: 100%;
    overflow: hidden;
    position: relative;
}
.gallery-lightbox-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.3rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: background 0.15s;
}
.gallery-lightbox-close:hover {
    background: var(--accent-green);
    color: var(--bg);
}
.gallery-lightbox-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    display: block;
    border-radius: 0;
    margin: 0;
}
.gallery-lightbox-info {
    padding: var(--space-5);
}
.gallery-lightbox-title {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-xl);
}
.gallery-lightbox-desc {
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .gallery-lightbox { padding: var(--space-3); }
    .gallery-lightbox-inner { max-width: 100%; }
    .gallery-lightbox-img { max-height: 250px; }
}
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   COMPONENT: PDF ACTIONS
   ========================================================= */
.pdf-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}
.pdf-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.88rem;
}
.pdf-btn .bi {
    font-size: 1rem;
    margin-right: 0;
}

/* =========================================================
   SIDEBAR: CURRENT PAGE INDICATOR
   ========================================================= */
.sidebar-current span {
    color: var(--text);
    font-weight: 600;
    font-size: 0.85rem;
}

/* =========================================================
   COMPONENT: MUSIC PLAYER ENHANCEMENTS
   ========================================================= */
.track-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-style: italic;
}
.track-tags {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

/* =========================================================
   COMPONENT: SHOP PRODUCT GRID
   ========================================================= */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--gap-sm);
    margin-top: var(--space-4);
}
.product-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s, transform 0.1s;
}
.product-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}
.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0;
    margin: 0;
}
.product-info {
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}
.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}
.product-price {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-green);
    white-space: nowrap;
}
.product-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    flex-grow: 1;
}
.product-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.product-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-family: "Courier New", monospace;
    padding: 0.1rem 0.45rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}
.product-badge-physical { border-color: var(--accent-orange); color: var(--accent-orange); }
.product-badge-digital { border-color: var(--accent-blue); color: var(--accent-blue); }
.product-badge-custom { border-color: var(--accent-green); color: var(--accent-green); }
.product-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.product-actions .btn {
    font-size: 0.8rem;
    padding: var(--space-1) var(--space-4);
}
.shop-category-heading {
    font-size: var(--font-size-xl);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}
.shop-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-style: italic;
}
.shop-filter-row {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    align-items: center;
}
.shop-filter-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius);
    font: inherit;
    font-size: 0.8rem;
    transition: color 0.15s, border-color 0.15s;
}
.shop-filter-btn:hover,
.shop-filter-btn.active {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

@media (max-width: 768px) {
    .product-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Dark-mode image dimming
   ============================================================ */
:root .gallery-card img,
:root .product-card img {
    filter: brightness(0.85);
    transition: filter 0.15s;
}
:root .gallery-card img:hover,
:root .product-card img:hover {
    filter: brightness(1);
}
[data-theme="light"] .gallery-card img,
[data-theme="light"] .product-card img {
    filter: none;
}

/* ============================================================
   Skeleton loading screens
   ============================================================ */
.skeleton {
    background: var(--bg-secondary);
    border-radius: 14px;
    position: relative;
    overflow: hidden;
}
.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,0.06) 40%,
        rgba(255,255,255,0.06) 60%,
        transparent 100%
    );
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
}
[data-theme="light"] .skeleton::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0,0,0,0.04) 40%,
        rgba(0,0,0,0.04) 60%,
        transparent 100%
    );
}
@keyframes skeleton-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.skeleton-card {
    height: 220px;
}
.skeleton-row {
    height: 1rem;
    width: 60%;
    margin: 0.75rem auto;
    border-radius: 6px;
}
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

/* ============================================================
   Copy-code button on <pre> blocks
   ============================================================ */
pre {
    position: relative;
}
.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.25rem 0.55rem;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
    z-index: 2;
}
pre:hover .copy-btn,
.copy-btn:focus {
    opacity: 1;
}
.copy-btn.copied {
    color: var(--accent-green);
}

/* ============================================================
   Social share buttons
   ============================================================ */
.share-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}
.share-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
}
.share-link:hover {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

/* ============================================================
   Changelog page
   ============================================================ */
.changelog-group {
    margin-bottom: 2rem;
}
.changelog-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono, 'Atkinson Hyperlegible Mono', monospace);
}
.changelog-group ul {
    list-style: disc;
    padding-left: 1.25rem;
}
.changelog-group li {
    margin-bottom: 0.35rem;
    font-size: 0.92rem;
    color: var(--text-secondary);
}
.changelog-group code {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-right: 0.5rem;
}

/* ============================================================
   Reading-time badge
   ============================================================ */
.reading-time {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================
   Auto-generated sidebar TOC
   ============================================================ */
.auto-toc {
    margin-bottom: 1.5rem;
}
.auto-toc-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.auto-toc a {
    display: block;
    padding: 0.25rem 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}
.auto-toc a:hover {
    color: var(--accent-green);
}

/* ============================================================
   Related posts section
   ============================================================ */
.related-posts {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}
.related-posts h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

/* ============================================================
   Back-to-top button
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 900;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, opacity 0.2s, transform 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    opacity: 0.85;
}
.back-to-top:hover {
    color: var(--accent-green);
    border-color: var(--accent-green);
    opacity: 1;
    transform: translateY(-2px);
}
.back-to-top[hidden] {
    display: none;
}
@media (max-width: 480px) {
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.25rem;
        height: 2.25rem;
        font-size: 0.95rem;
    }
}

/* ============================================================
   Reading progress bar
   ============================================================ */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: var(--accent-green);
    z-index: 10000;
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ============================================================
   Scroll-spy TOC active state
   ============================================================ */
.toc a.toc-active {
    color: var(--accent-green);
    font-weight: 700;
}

/* ============================================================
   Keyboard shortcuts modal
   ============================================================ */
.shortcuts-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.shortcuts-overlay[hidden] {
    display: none;
}
.shortcuts-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2rem;
    max-width: 420px;
    width: 100%;
    position: relative;
}
.shortcuts-modal h2 {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
}
.shortcuts-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}
.shortcuts-close:hover {
    color: var(--text);
}
.shortcuts-list {
    display: grid;
    gap: 0.6rem;
}
.shortcuts-list > div {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.shortcuts-list dt {
    min-width: 110px;
    text-align: right;
    white-space: nowrap;
}
.shortcuts-list dd {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.88rem;
}
kbd {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    font-size: 0.78rem;
    font-family: inherit;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    box-shadow: 0 1px 0 rgba(0,0,0,0.15);
}

/* ============================================================
   View transitions
   ============================================================ */
::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 0.2s;
}

/* ============================================================
   Scroll-reveal animations
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   Collapsible sidebar sections
   ============================================================ */
.sidebar-toggle {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-toggle::after {
    content: '\F282';
    font-family: 'bootstrap-icons';
    font-size: 0.65rem;
    color: var(--text-muted);
    transition: transform 0.2s;
}
.sidebar-toggle.collapsed::after {
    transform: rotate(-90deg);
}

/* ============================================================
   Footnotes in articles
   ============================================================ */
.footnote-ref {
    font-size: 0.72em;
    vertical-align: super;
    line-height: 0;
    text-decoration: none;
    color: var(--accent-green);
    font-weight: 700;
}
.footnote-ref:hover {
    text-decoration: underline;
}
.footnotes {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text-muted);
}
.footnotes ol {
    padding-left: 1.25rem;
}
.footnotes li {
    margin-bottom: 0.5rem;
}
.footnotes li:target {
    color: var(--text);
    background: rgba(93, 126, 111, 0.08);
    border-radius: 4px;
    padding: 0.15rem 0.35rem;
    margin-left: -0.35rem;
}
.footnote-back {
    text-decoration: none;
    color: var(--accent-green);
    margin-left: 0.25rem;
}

/* =============================================================
   CART TOGGLE & BADGE (nav bar)
   ============================================================ */
.cart-toggle {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.15rem;
    cursor: pointer;
    position: relative;
    padding: 0.25rem;
    line-height: 1;
}
.cart-toggle:hover {
    color: var(--accent-green);
}
.cart-badge {
    position: absolute;
    top: -4px;
    right: -8px;
    background: var(--accent-green);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    line-height: 1;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* =============================================================
   CART DRAWER (slide-out panel)
   ============================================================ */
.cart-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 9998;
    transition: opacity 0.25s ease;
}
.cart-drawer-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(400px, 92vw);
    background: var(--bg);
    border-left: 1px solid var(--border);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
}
.cart-drawer[hidden] { display: none; }
.cart-drawer:not([hidden]) .cart-drawer-backdrop {
    opacity: 1;
    pointer-events: auto;
}
.cart-drawer:not([hidden]) .cart-drawer-panel {
    transform: translateX(0);
}
.cart-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 1.1rem;
}
.cart-drawer-header button {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}
.cart-drawer-header button:hover {
    color: var(--text);
}
.cart-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.25rem;
}
.cart-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
    font-style: italic;
}
.cart-drawer-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* Cart items */
.cart-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.cart-item:last-child {
    border-bottom: none;
}
.cart-item-img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius);
    flex-shrink: 0;
}
.cart-item-info {
    flex: 1;
    min-width: 0;
}
.cart-item-title {
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.3;
    margin-bottom: 0.15rem;
}
.cart-item-variant {
    font-size: 0.78rem;
    color: var(--text-muted);
}
.cart-item-price {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}
.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}
.cart-item-remove {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.15rem;
    line-height: 1;
}
.cart-item-remove:hover {
    color: var(--danger, #c0392b);
}

/* Quantity controls */
.cart-qty {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.cart-qty-btn {
    background: none;
    border: none;
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
}
.cart-qty-btn:hover {
    background: var(--surface);
}
.cart-qty-val {
    font-size: 0.82rem;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

/* Total + actions */
.cart-total {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}
.cart-clear-btn {
    display: block;
    width: 100%;
    margin-top: 0.75rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-align: center;
    transition: border-color 0.15s, color 0.15s;
}
.cart-clear-btn:hover {
    border-color: var(--danger, #c0392b);
    color: var(--danger, #c0392b);
}

/* PayPal button container in drawer */
#paypal-drawer-btn {
    margin-top: 0.75rem;
}

/* =============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    font-size: 0.88rem;
    color: var(--text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: auto;
    max-width: 320px;
}
.toast.visible,
.toast.toast-visible {
    opacity: 1;
    transform: translateY(0);
}
.toast.success {
    border-left: 3px solid var(--accent-green);
}
.toast.error {
    border-left: 3px solid var(--danger, #c0392b);
}
.toast.info {
    border-left: 3px solid var(--accent-green);
}

/* =============================================================
   VARIANT SELECTOR
   ============================================================ */
.product-variant {
    margin: 0.5rem 0;
}
.product-variant label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
    display: block;
}
.variant-select {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-size: 0.88rem;
    font-family: inherit;
    cursor: pointer;
    appearance: auto;
}
.variant-select:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* =============================================================
   STOCK BADGES
   ============================================================ */
.product-stock {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    margin: 0.35rem 0;
}
.product-stock-out {
    background: rgba(192, 57, 43, 0.12);
    color: var(--danger, #c0392b);
}
.product-stock-low {
    background: rgba(230, 161, 0, 0.12);
    color: #b87a00;
}

/* =============================================================
   FULFILLMENT NOTE
   ============================================================ */
.product-fulfill {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.25rem;
}

/* =============================================================
   ADD-TO-CART BUTTON
   ============================================================ */
.btn-add-cart {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--accent-green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 0.55rem 1rem;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
}
.btn-add-cart:hover {
    opacity: 0.88;
}
.btn-add-cart:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* =============================================================
   POLICY GRID (shop page)
   ============================================================ */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}
.policy-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.policy-card i {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    display: block;
}
.policy-card h3 {
    font-size: 1rem;
    margin: 0 0 0.4rem;
}
.policy-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

/* =============================================================
   SECONDARY BUTTON
   ============================================================ */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.55rem 1rem;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--color-on-accent);
}

/* =============================================================
   EXTERNAL LINK INDICATOR
   ============================================================ */
.ext-icon {
    font-size: 0.7em;
    margin-left: 0.2em;
    opacity: 0.55;
    vertical-align: baseline;
}

/* =============================================================
   COLOR-CODED TAG PILLS
   ============================================================ */
.tag-colored {
    --tag-hue: 142;
    background: hsl(var(--tag-hue) 45% 92%);
    color: hsl(var(--tag-hue) 50% 28%);
    border-color: hsl(var(--tag-hue) 35% 82%);
}
[data-theme="dark"] .tag-colored {
    background: hsl(var(--tag-hue) 30% 18%);
    color: hsl(var(--tag-hue) 40% 72%);
    border-color: hsl(var(--tag-hue) 25% 30%);
}

/* =============================================================
   SEARCH KEYBOARD NAV
   ============================================================ */
.search-kb-focus {
    outline: 2px solid var(--accent-green);
    outline-offset: -2px;
    border-radius: var(--radius);
}

/* =============================================================
   IMAGE BLUR-UP
   ============================================================ */
img[data-src] {
    filter: blur(12px);
    transition: filter 0.4s ease;
}
img.blur-up-loaded {
    filter: blur(0);
}

/* =============================================================
   RESPONSIVE TABLE WRAPPER
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.table-wrap table {
    margin: 0;
    border: none;
    min-width: 480px;
}

/* =============================================================
   LAST-UPDATED BADGE
   ============================================================ */
.last-updated-badge {
    margin-left: 0.75rem;
    white-space: nowrap;
}
.last-updated-badge i {
    margin-right: 0.15rem;
}

/* =============================================================
   FOCUS-VISIBLE
   ============================================================ */
/* Rely on native :focus-visible — no JS class needed.
   Keyboard users get outlines; mouse users don't. */

/* =============================================================
   HEADING ANCHORS
   ============================================================ */
.heading-anchor {
    opacity: 0;
    font-size: 0.78em;
    margin-left: 0.35em;
    text-decoration: none;
    color: var(--text-muted);
    transition: opacity 0.15s;
    font-weight: 400;
}
h2:hover .heading-anchor,
h3:hover .heading-anchor,
.heading-anchor:focus {
    opacity: 0.6;
}
.heading-anchor:hover {
    opacity: 1;
    color: var(--accent-green);
}