:root {
            --accent-color: #0071e3;
            --bg-color: #fbfbfd;
            --text-main: #1d1d1f;
            --text-secondary: #86868b;
        }
*, *::before, *::after {
  box-sizing: border-box;
}

a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
  border-radius: 8px;
}
        /* --- Theme: system auto + manual override --- */
        @media (prefers-color-scheme: dark) {
            :root {
                --accent-color: #0a84ff;
                --bg-color: #303030;
                --text-main: #f5f5f7;
                --text-secondary: #a1a1a6;

                /* Additional surfaces used across the UI */
                --surface-1: rgba(255, 255, 255, 0.06);
                --surface-2: rgba(255, 255, 255, 0.10);
                --border-color: rgba(255, 255, 255, 0.12);
                --shadow-color: rgba(0, 0, 0, 0.45);
                --nav-scrolled-bg: rgba(48, 48, 48, 0.72);
                --nav-divider-color: rgba(255, 255, 255, 0.10);
            }
        }

        /* Default (light) surfaces */
        :root {
            --surface-1: rgba(0, 0, 0, 0.028);
            --surface-2: rgba(0, 0, 0, 0.045);
            --border-color: rgba(0, 0, 0, 0.085);
            --shadow-color: rgba(0, 0, 0, 0.16);
            --nav-scrolled-bg: rgba(255, 255, 255, 0.86);
            --nav-divider-color: rgba(0, 0, 0, 0.045);
        }

        /* Re-apply dark surfaces after the light defaults to avoid cascade overrides */
        @media (prefers-color-scheme: dark) {
            :root {
                --surface-1: rgba(255, 255, 255, 0.06);
                --surface-2: rgba(255, 255, 255, 0.10);
                --border-color: rgba(255, 255, 255, 0.12);
                --shadow-color: rgba(0, 0, 0, 0.45);
                --nav-scrolled-bg: rgba(48, 48, 48, 0.72);
                --nav-divider-color: rgba(255, 255, 255, 0.10);
            }
        }

        /* Manual overrides (take precedence over system) */
        body[data-theme="light"] {
            --accent-color: #0071e3;
            --bg-color: #fbfbfd;
            --text-main: #1d1d1f;
            --text-secondary: #86868b;

            --surface-1: rgba(0, 0, 0, 0.028);
            --surface-2: rgba(0, 0, 0, 0.045);
            --border-color: rgba(0, 0, 0, 0.085);
            --shadow-color: rgba(0, 0, 0, 0.16);
            --nav-scrolled-bg: rgba(255, 255, 255, 0.86);
            --nav-divider-color: rgba(0, 0, 0, 0.045);
        }

        body[data-theme="dark"] {
            --accent-color: #0a84ff;
            --bg-color: #303030;
            --text-main: #f5f5f7;
            --text-secondary: #a1a1a6;

            --surface-1: rgba(255, 255, 255, 0.06);
            --surface-2: rgba(255, 255, 255, 0.10);
            --border-color: rgba(255, 255, 255, 0.12);
            --shadow-color: rgba(0, 0, 0, 0.45);
            --nav-scrolled-bg: rgba(48, 48, 48, 0.72);
            --nav-divider-color: rgba(255, 255, 255, 0.10);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            transition: background-color 0.35s ease, color 0.35s ease;
        }

        /* Smooth theme switching (variables update => these properties animate) */
        nav,
        .mac-window,
        .window-header,
        footer,
        .theme-toggle,
        .cta-button,
        .card-button {
            transition: background-color 0.35s ease,
                        color 0.35s ease,
                        border-color 0.35s ease,
                        box-shadow 0.35s ease;
        }

        /* Respect reduced motion preferences */
        @media (prefers-reduced-motion: reduce) {
            body,
            nav,
            .mac-window,
            .window-header,
            footer,
            .theme-toggle,
            .cta-button,
            .card-button,
            .screenshot-stage img,
            .scroll-cue {
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }

        /* --- Nav & Sticky Header Transitions --- */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            max-width: 100%;
            margin: 0 auto;
            padding: 20px;
            padding-left: max(20px, calc((100% - 980px) / 2 + 20px));
            padding-right: max(20px, calc((100% - 980px) / 2 + 20px));
            display: flex;
            justify-content: space-between;
            align-items: center;

            transition:
                background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                backdrop-filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                padding 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s ease;
        }

        /* State when scrolled down */
        body.scrolled nav {
            background-color: var(--nav-scrolled-bg);
            backdrop-filter: saturate(180%) blur(20px);
            box-shadow: 0 1px 0 var(--nav-divider-color);
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--text-main);
            position: relative; /* Anchor absolutely-positioned .nav-icon */
            height: 32px;
        }

        .logo {
            font-weight: 600;
            font-size: 21px;
            letter-spacing: -0.01em;
            transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .nav-icon {
            width: 32px;
            height: auto;
            position: absolute;
            opacity: 0;
            transform: scale(0.5) translateX(-20px);
            transition:
                opacity 0.4s ease,
                transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        body.scrolled .nav-icon {
            opacity: 1;
            transform: scale(1) translateX(0);
        }

        body.scrolled .logo {
            transform: translateX(40px);
        }

        .github-link {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            opacity: 0.8;
            transition: opacity 0.12s ease;
        }
        .github-link:hover { opacity: 1; }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .theme-toggle {
            width: 34px;
            height: 34px;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            background: var(--surface-1);
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
            transition:
                transform 0.18s ease,
                background-color 0.35s ease,
                border-color 0.35s ease,
                box-shadow 0.35s ease;
        }

        .theme-toggle:hover {
            background: var(--surface-2);
            transform: scale(1.03);
        }

        .theme-toggle:active {
            transform: scale(0.98);
        }

        .theme-toggle:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
        }

        .theme-toggle svg {
            width: 16px;
            height: 16px;
        }

        /* --- Generic page layout (About / Docs) --- */
        .page {
            max-width: 980px;
            margin: 0 auto;
            padding: calc(var(--nav-height, 72px) + 28px) 20px 0;
        }

        .page-header {
            padding: 28px 0 10px;
        }

        .page-title {
            font-size: 44px;
            line-height: 1.08;
            font-weight: 750;
            letter-spacing: -0.01em;
            margin: 0 0 10px;
        }

        .page-lead {
            font-size: 20px;
            line-height: 1.4;
            color: var(--text-secondary);
            margin: 0;
        }

        .page-section {
            margin-top: 34px;
        }

        /* --- Subtle section divider (Apple-style) --- */
        .page-divider {
            border: 0;
            height: 1px;
            margin: 48px 0 34px;
            background: linear-gradient(
                to right,
                transparent,
                var(--border-color),
                transparent
            );
        }

        .page-section h2 {
            font-size: 22px;
            font-weight: 650;
            letter-spacing: -0.01em;
            margin: 0 0 12px;
        }

        .page-section h3 {
            font-size: 16px;
            font-weight: 650;
            margin: 0 0 8px;
        }

        .page-section .minor {
            color: var(--text-main);
            opacity: 0.92;
        }

        .page-subsection {
            margin: 18px 0 26px;
        }

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

        .page-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
            margin-top: 14px;
        }

        .page-card {
            border: 1px solid var(--border-color);
            background: var(--surface-1);
            border-radius: 16px;
            padding: 16px 16px 14px;
        }

        .page-card.page-card-wide {
            grid-column: 1 / -1;
        }

        .page-card p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.45;
        }

        .page-card .card-link {
            margin: 12px 0 0;
        }

        .page-card .card-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--surface-1);
            color: var(--text-main);
            font-size: 13px;
            font-weight: 500;
            text-decoration: none;
            border: 1px solid var(--border-color);
            transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }

        .page-card .card-button:hover {
            background-color: rgba(120, 120, 120, 0.12);
            border-color: rgba(120, 120, 120, 0.35);
            transform: translateY(-1px);
        }

        .page-card .card-button:active {
            transform: translateY(0);
        }

        .page-card .card-button:focus-visible {
            outline: 2px solid var(--border-color);
            outline-offset: 3px;
        }

        .page-split {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
            margin-top: 12px;
        }

        .page-list {
            margin: 10px 0 0;
            padding-left: 18px;
        }

        .page-list li {
            margin: 6px 0;
        }

        .page-list.two-col {
            column-count: 2;
            column-gap: 24px;
        }

        .kbd {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--surface-1);
            color: var(--text-main);
            font-size: 13px;
            line-height: 1.6;
            vertical-align: baseline;
            white-space: nowrap;
        }

        .callout {
            margin-top: 16px;
            padding: 12px 14px;
            border-radius: 14px;
            border: 1px solid var(--border-color);
            background: var(--surface-1);
        }

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

        .callout a:hover {
            text-decoration: underline;
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }

        .tag {
            border: 1px solid var(--border-color);
            background: var(--surface-1);
            color: var(--text-main);
            border-radius: 999px;
            padding: 6px 10px;
            font-size: 13px;
            opacity: 0.92;
        }

        .page-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin: 46px 0 0;
            padding-bottom: 50px;
        }

        .page-actions-left {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .page-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
        }

        .page-link:hover {
            text-decoration: underline;
            color: var(--text-main);
        }

        @media (max-width: 768px) {
            .page { padding-top: calc(var(--nav-height, 72px) + 20px); }
            .page-title { font-size: 34px; }
            .page-lead { font-size: 18px; }
            .page-grid { grid-template-columns: 1fr; }
            .page-split { grid-template-columns: 1fr; }
            .page-list.two-col { column-count: 1; }
            .page-actions { flex-direction: column; align-items: stretch; }
            .page-actions-left { align-items: center; }
            .page-actions .cta-button { justify-content: center; }
            .page-link { text-align: center; }
        }

        /* --- Hero Section --- */
        .hero {
            /* Use actual viewport height (fixes mobile/browser UI 100vh issues) */
            min-height: calc(var(--vh, 1vh) * 100);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
            padding-top: calc(var(--nav-height, 72px) + 24px);
            padding-bottom: 48px;
            box-sizing: border-box;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .hero-icon {
            width: 128px;
            height: auto;
            margin-bottom: 24px;
            transition:
                opacity 0.4s ease,
                transform 0.4s ease;
            transform-origin: center center;
        }

        body.scrolled .hero-icon {
            opacity: 0;
            transform: scale(0.8) translateY(-30px);
            pointer-events: none;
        }

        h1 {
            font-size: 56px;
            line-height: 1.07;
            font-weight: 700;
            letter-spacing: -0.005em;
            margin-bottom: 15px;
            transition: transform 0.5s ease;
        }

        p.subtitle {
            font-size: 24px;
            line-height: 1.3;
            font-weight: 400;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        .cta-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .cta-button {
            background-color: var(--accent-color);
            color: white;
            padding: 12px 28px;
            border-radius: 980px;
            text-decoration: none;
            font-size: 17px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.2s ease, background-color 0.2s;
        }

        .cta-button:hover {
            background-color: #0077ed;
            transform: scale(1.02);
        }

        .cta-button svg {
            width: 16px;
            height: 16px;
            flex: 0 0 auto;
            opacity: 0.95;
        }

        .version-info {
            font-size: 13px;
            color: var(--text-secondary);
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .requirements-info {
           font-size: 12px;
           color: var(--text-secondary);
            opacity: 0.85;
        }

        .scroll-cue {
            position: absolute;
            left: 50%;
            bottom: 22px;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            background: var(--surface-1);
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
            transition: transform 0.18s ease, background-color 0.35s ease, border-color 0.35s ease;
            opacity: 1;
        }

        .scroll-cue:hover {
            background: var(--surface-2);
            transform: translateX(-50%) scale(1.03);
        }

        .scroll-cue:active {
            transform: translateX(-50%) scale(0.98);
        }

        .scroll-cue:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
        }

        .scroll-cue svg {
            width: 16px;
            height: 16px;
        }

        body.scrolled .scroll-cue {
            opacity: 0;
            transform: translateX(-50%) translateY(8px);
            pointer-events: none;
        }

        /* Anchor offset for fixed navigation (used by the down-arrow scroll) */
        #screenshots {
            scroll-margin-top: calc(var(--nav-height, 72px) + 10px);
        }

        html {
            scroll-padding-top: calc(var(--nav-height, 72px) + 10px);
        }

        .screenshots {
            max-width: 980px;
            margin: 0 auto 0;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding-top: 12px;
        }

        .screenshots-intro {
            width: 100%;
            max-width: 980px;
            margin: 0 auto 80px;
            text-align: center;
        }

        .screenshots-intro p {
            margin: 0;
            font-size: 20px;
            line-height: 1.35;
            font-weight: 600;
            letter-spacing: -0.01em;
            color: var(--text-main);
            opacity: 0.92;
        }

        .screenshot-stage {
            width: 100%;
            max-width: 980px;
            position: relative;
            aspect-ratio: 16 / 10;
            display: block;
        }

        .screenshot-stage img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            opacity: 0;
            transform: translateY(6px) scale(1.005);
            transition: opacity 0.6s ease, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
            pointer-events: none;
        }

        .screenshot-stage img.is-active {
            opacity: 1;
            transform: translateY(0) scale(1);
        }

        .screenshot-stage img.is-exiting {
            opacity: 0;
            transform: translateY(-4px) scale(0.998);
        }

        /* Legacy leftover styles (harmless if unused) */
        .mac-window {
            width: 100%;
            max-width: 700px;
            height: 400px;
            background: color-mix(in srgb, var(--bg-color) 88%, var(--text-main) 12%);
            border-radius: 12px;
            box-shadow: 0 30px 60px var(--shadow-color);
            border: 1px solid var(--border-color);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            color: #d2d2d7;
            overflow: hidden;
        }

        .window-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 36px;
            background: color-mix(in srgb, var(--bg-color) 92%, var(--text-main) 8%);
            border-bottom: 1px solid var(--border-color);
            border-radius: 12px 12px 0 0;
            display: flex;
            align-items: center;
            padding-left: 12px;
            z-index: 2;
        }

        .supports-info {
            max-width: 980px;
            margin: 40px auto 0;
            padding: 0 20px;
            text-align: center;
        }

        .supports-info p {
            margin: 0;
            font-size: 16px;
            line-height: 1.4;
            color: var(--text-secondary);
        }

        /* Features */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 980px;
            margin: 80px auto;
            padding: 0 20px;
            text-align: center;
        }

        .feature h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature p {
            color: var(--text-secondary);
            font-size: 16px;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 40px;
            color: var(--text-secondary);
            font-size: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: 60px;
        }

        footer a { color: var(--text-secondary); text-decoration: underline; }

        /* Mobile tweaks */
        @media (max-width: 768px) {
            .hero { padding-top: 120px; }
            h1 { font-size: 40px; }
            p.subtitle { font-size: 20px; }
            .hero-icon { width: 96px; }
            /* Mobile ergonomics */
            .hero { padding-bottom: 72px; }
            .screenshots-intro { margin-bottom: 32px; }
            .theme-toggle { width: 44px; height: 44px; }
            .scroll-cue { bottom: 16px; }
            .supports-info { margin-top: 28px; }
        }

        /* --- Apple Docs-style footnote superscripts (no pills) --- */
        .page sup {
          font-size: 0.75em;
          line-height: 0;
          vertical-align: super;
          margin-left: 2px;
        }

        .page sup a {
          color: var(--accent-color);
          text-decoration: none;
          font-weight: 600;
          opacity: 0.95;
          padding: 0;
          border: 0;
          background: none;
          border-radius: 0;
          text-underline-offset: 3px;
          text-decoration-thickness: 1.5px;
          transition: opacity 0.15s ease, text-decoration-color 0.15s ease;
        }

        .page sup a:hover {
          opacity: 1;
          text-decoration: underline;
        }

        .page sup a:focus-visible {
          outline: none;
          box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
          border-radius: 6px;
        }

        /* Ensure contrast on dark backgrounds */
        @media (prefers-color-scheme: dark) {
          .page sup a {
            opacity: 1;
          }
        }

        body[data-theme="dark"] .page sup a {
          opacity: 1;
        }

        /* --- Docs code blocks (Apple-ish) --- */
        .code-block {
          margin: 14px 0 0;
          padding: 12px 14px;
          border-radius: 14px;
          border: 1px solid var(--border-color);
          background: var(--surface-1);
          color: var(--text-main);
          overflow: auto;
          -webkit-overflow-scrolling: touch;
          box-shadow: 0 10px 24px var(--shadow-color);
        }

        .code-block code {
          font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
          font-size: 13px;
          line-height: 1.55;
          white-space: pre;
        }


        /* Inline code, used sparingly in docs */
        .page p code,
        .page li code {
          font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
          font-size: 0.95em;
          padding: 2px 6px;
          border-radius: 8px;
          border: 1px solid var(--border-color);
          background: var(--surface-1);
        }

        /* --- Guides dropdown (Apple-style) --- */
        .nav-guides {
            position: relative;
            display: inline-flex;
            align-items: center;
        }

        /* Hover-bridge: keeps :hover active while moving the pointer into the dropdown */
        .nav-guides::after {
            content: "";
            position: absolute;
            left: -10px;
            right: -10px;
            top: 100%;
            height: 14px;
            background: transparent;
            pointer-events: none;
        }

        /* Enable the hover-bridge only when the menu is actually open/hovered */
        .nav-guides.is-open::after {
            pointer-events: auto;
        }

        @media (hover: hover) and (pointer: fine) {
            .nav-guides:hover::after {
                pointer-events: auto;
            }
        }

        .guides-trigger {
            appearance: none;
            -webkit-appearance: none;
            border: 0;
            background: transparent;
            padding: 6px 8px;
            margin: 0;
            border-radius: 10px;
            cursor: pointer;
            color: var(--text-main);
            font-size: 14px;
            opacity: 0.8;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            -webkit-tap-highlight-color: transparent;
            transition: opacity 0.12s ease, background-color 0.35s ease, border-color 0.35s ease;
        }

        .guides-trigger:hover {
            opacity: 1;
        }

        .guides-trigger:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
        }

        .guides-trigger svg {
            width: 12px;
            height: 12px;
            opacity: 0.9;
        }

        .guides-dropdown {
            position: absolute;
            top: calc(100% + 6px);
            right: 0;
            min-width: 260px;
            padding: 8px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: color-mix(in srgb, var(--bg-color) 84%, var(--text-main) 16%);
            backdrop-filter: saturate(180%) blur(18px);
            -webkit-backdrop-filter: saturate(180%) blur(18px);
            box-shadow: 0 24px 60px var(--shadow-color);

            opacity: 0;
            transform: translateY(-6px) scale(0.98);
            pointer-events: none;
            transition: opacity 0.18s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
            z-index: 1200;
        }

        .guides-group {
            padding: 6px 2px;
        }

        .guides-group + .guides-group {
            margin-top: 6px;
            padding-top: 10px;
            border-top: 1px solid var(--border-color);
        }

        .guides-group-title {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
            text-transform: uppercase;
            color: var(--text-secondary);
            padding: 6px 10px 8px;
        }

        /* Make items slightly more compact inside grouped dropdown */
        .guides-dropdown .guides-item {
            padding: 10px 10px;
        }

        /* Open state (JS adds .is-open) */
        .nav-guides.is-open .guides-dropdown {
            opacity: 1;
            transform: translateY(0) scale(1);
            pointer-events: auto;
        }

        /* Desktop hover support (keeps it feeling native) */
        @media (hover: hover) and (pointer: fine) {
            .nav-guides:hover .guides-dropdown {
                opacity: 1;
                transform: translateY(0) scale(1);
                pointer-events: auto;
            }
        }

        .guides-item {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 10px;
            border-radius: 12px;
            text-decoration: none;
            color: var(--text-main);
            transition: background-color 0.2s ease;
        }

        .guides-item:hover {
            background: var(--surface-2);
        }

        .guides-title {
            font-size: 14px;
            font-weight: 650;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .guides-subtitle {
            display: block;
            margin-top: 2px;
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.35;
        }


        /* Mobile: make the dropdown full-width under the nav area */
        @media (max-width: 768px) {
            .guides-dropdown {
                right: 0;
                left: auto;
                min-width: 240px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .guides-dropdown {
                transition: none !important;
            }
        }

/* --- Guide images sizing (desktop-first, Apple Docs style) --- */
.guide-image {
  width: 100%;
  max-width: 700px;
  max-height: 640px;
  height: auto;
  object-fit: contain;
  margin: 14px auto 0;
  display: block;
  border-radius: 18px;
  cursor: zoom-in;
}

@media (max-width: 768px) {
  .guide-image {
    max-width: 100%;
    max-height: 420px;
  }
}

/* --- Click-to-zoom lightbox (docs screenshots) --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-content {
  width: 100%;
  max-width: min(1100px, 92vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lightbox-img {
  width: 100%;
  height: auto;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 30px 80px var(--shadow-color);
  border: 1px solid var(--border-color);
  background: var(--bg-color);
}

.lightbox-caption {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  margin: 0;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: scale(1.03);
}

.lightbox-close:active {
  transform: scale(0.98);
}

.lightbox-close svg {
  width: 16px;
  height: 16px;
}

/* --- Mini table of contents (Apple Docs-like) --- */
.page-toc {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--surface-1);
}

.page-toc-title {
  display: block;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.page-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.page-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  opacity: 0.92;
  padding: 6px 8px;
  border-radius: 10px;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.page-toc-list a:hover {
  background: var(--surface-2);
  opacity: 1;
}

@media (max-width: 768px) {
  .page-toc-list {
    grid-template-columns: 1fr;
  }
}

/* --- Guide image hover hint (subtle overlay) --- */
.img-figure {
  position: relative;
  margin: 0;
}

.img-hint {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: color-mix(in srgb, var(--bg-color) 72%, var(--text-main) 28%);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: -0.01em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.img-figure:hover .img-hint {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (hover: none) and (pointer: coarse) {
  /* Don't show hover-only hints on touch devices */
  .img-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .img-hint { transition: none !important; }
}
/* --- Docs layout: TOC pinned on the far-left (does not narrow content) --- */
.page-layout {
  position: relative;
}

.page-content {
  min-width: 0;
}

/* Default: TOC in normal flow (mobile/tablet) */
.page-toc-sidebar {
  position: static;
  margin-top: 18px;
  padding: 14px 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--surface-1);
}

.page-toc-sidebar .page-toc-title {
  display: block;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.page-toc-sidebar .page-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-toc-sidebar .page-toc-list a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  opacity: 0.9;
  padding: 6px 8px;
  border-radius: 10px;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.page-toc-sidebar .page-toc-list a:hover {
  background: var(--surface-2);
  opacity: 1;
}

.page-toc-sidebar .page-toc-list a.is-active {
  background: var(--surface-2);
  opacity: 1;
}

.page-toc-sidebar .page-toc-list a.is-active::before {
  content: "";
  width: 3px;
  height: 14px;
  border-radius: 999px;
  background: var(--accent-color);
  display: inline-block;
}

/* Wide screens: pin TOC on the far-left, aligned with the page header, without affecting content width */
@media (min-width: 1200px) {
  .page-layout {
    display: block;
  }

  .page-content {
    max-width: 980px;
    margin: 0 auto;
  }

  .page-toc-sidebar {
    position: fixed;
    top: calc(var(--nav-height, 72px) + var(--page-header-offset));
    left: max(20px, calc((100vw - 980px) / 2 - 260px));
    width: 240px;
    margin: 0;
  }
}

/* Smaller desktop/laptop: keep TOC below header (prevents overlap on narrower viewports) */
@media (max-width: 1199px) {
  .page-toc-sidebar {
    position: static;
  }
}

/* Mobile: already in normal flow */
@media (max-width: 900px) {
  .page-toc-sidebar {
    position: static;
    margin-bottom: 24px;
  }
}