:root {
    color-scheme: light dark;
    --bg: #f8fafc;
    --ink: #0b1220;
    --muted: #475569;
    --card: #ffffff;
    --line: #e2e8f0;
    --brand: #2563eb;
    --brand-ink: #0b3ea8;
    --accent: #06b6d4;
    --radius: 16px;
    --focus: #f59e0b;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #070d1a;
        --ink: #e5eefc;
        --muted: #9fb0c9;
        --card: #0f172a;
        --line: #1f2a44;
        --brand: #60a5fa;
        --brand-ink: #93c5fd;
        --accent: #22d3ee;
    }
}

* {
    box-sizing: border-box
}

html {
    height: 100%
}

body {
    margin: 0;
    min-height: 100%;
    overflow-y: scroll;
    overflow-x: hidden;
    font: 18px/1.55 system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #e6f6ff, #fdfdff) no-repeat, #fdfdff;
    transition: background 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    body {
        background: var(--bg);
    }
}

/* While the welcome overlay is shown, scroll ONLY inside the overlay. */
body.welcome-active {
    overflow: hidden;
}

a {
    color: var(--brand);
    text-decoration: none
}

a:not(.btn):not(.cta):hover {
    text-decoration: underline
}

.wrap {
    max-width: 90%;
    margin: 0 auto;
    padding: 18px 18px calc(var(--footer-offset, 48px) + 18px);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    clip: rect(1px, 1px, 1px, 1px);
    overflow: hidden;
    white-space: nowrap
}

.welcome-image {
    display: block;
    margin: 0 auto clamp(1.5rem, 4vh, 2.5rem);
    /* Height-based spacing: 24px to 40px */
    max-width: 100%;
    max-height: clamp(280px, 50vh, 700px);
    /* Increased by 40%: 280px to 700px, scales with height */
    width: auto;
    /* Maintain aspect ratio and center */
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    backface-visibility: hidden;
    will-change: transform;
    animation: dynamicPopIn 0.7s ease-out 0.2s both;
}

.welcome-image:hover {
    transform: scale(1.02);
    opacity: 0.95;
}


.h1-primer {
    color: #1e3a5f;
    font-size: 24px;
}

.h1-weaver {
    color: #0d7a8a;
    font-size: 24px;
}

@media (prefers-color-scheme: dark) {
    .h1-primer { color: #c084fc; }
    .h1-weaver { color: #22d3ee; }
}

/* Welcome h1 spans: override #start-content h1 specificity and keep the h1 font size */
#start-content .h1-primer {
    font-size: inherit;
    color: #1e3a5f;
}

#start-content .h1-weaver {
    font-size: inherit;
    color: #0d7a8a;
}

@media (prefers-color-scheme: dark) {
    #start-content .h1-primer { color: #c084fc; }
    #start-content .h1-weaver { color: #22d3ee; }
}

.brand:hover .logo-img {
    /* This will make the logo grow 5% and tilt 10 degrees counter-clockwise */
    transform: scale(1.05) rotate(-10deg);
}

.brand:hover .h1-primer,
.brand:hover .h1-weaver {
    /* This will make the text "breathe" or expand slightly */
    letter-spacing: 0.5px;
}

.info-layout {
    display: grid;
    grid-template-columns: 1fr;
    /* Mobile-first: single column */
    gap: 24px;
}

.info-sidebar {
    /* On mobile, this will be at the top */
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px;
    background: var(--card);
    box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
    align-self: start;
    /* Don't stretch */
}

.info-sidebar h3 {
    margin-top: 4px;
    margin-bottom: 12px;
    font-size: 18px;
    padding-left: 8px;
    color: var(--brand-ink);
}

.info-sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: #334155;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease-out;
}

.info-sidebar a:hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--brand);
}

.info-sidebar a.is-active {
    background: linear-gradient(180deg, #eaf2ff, #e6f6ff);
    color: var(--brand-ink);
    font-weight: 550;
    box-shadow: 0 3px 8px rgba(2, 6, 23, .08);
}

.info-content {
    /* This is just the .card, but we keep the class for clarity */
    padding: 22px 28px;
}

/* Docs page: slightly tighter top spacing in the content card */
#docBody.info-content {
    padding-top: 16px;
}

/* --- Docs mobile dropdown nav (mobile-only) --- */
.docs-mobile-nav {
    display: none;
}

/* Match hamburger/menu drawer breakpoint (<=1000px) */
@media (max-width: 1000px) {
    /* Keep Docs layout single-column when sidebar is hidden */
    .info-layout {
        grid-template-columns: 1fr;
    }

    /* Hide the large sidebar list on mobile; use sticky dropdown instead */
    .info-sidebar {
        display: none;
    }

    .docs-mobile-nav {
        display: block;
        position: sticky;
        top: var(--header-offset, 56px);
        z-index: 120;
        margin-top: 6px;
    }

    .docs-mobile-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 10px 14px;
        border-radius: 14px;
        border: 1px solid rgba(226, 232, 240, 0.9);
        background: rgba(255, 255, 255, 0.75);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 12px 28px rgba(2, 6, 23, .08);
        color: var(--brand-ink);
        font-weight: 650;
        font-size: 18px;
        text-align: left;
        cursor: pointer;
        transition: transform 0.15s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out, background 0.2s ease-out;
    }

    .docs-mobile-toggle:active {
        transform: translateY(1px);
        box-shadow: 0 10px 22px rgba(2, 6, 23, .06);
    }

    .docs-mobile-toggle-chevron {
        /* Keep the chevron hit/hover area visually compact */
        width: 18px;
        height: 18px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        opacity: 0.75;
        line-height: 1;
        transition: transform 0.2s ease-out;
    }

    .docs-mobile-nav.is-open .docs-mobile-toggle-chevron {
        transform: rotate(180deg);
    }

    .docs-mobile-menu {
        display: none;
        margin-top: 10px;
        padding: 10px;
        border-radius: 16px;
        border: 1px solid rgba(226, 232, 240, 0.9);
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 16px 36px rgba(2, 6, 23, .10);
        max-height: min(60vh, 420px);
        overflow: auto;
    }

    .docs-mobile-nav.is-open .docs-mobile-menu {
        display: block;
    }

    .docs-mobile-menu a {
        display: block;
        padding: 8px 12px;
        border-radius: 12px;
        color: var(--muted);
        font-weight: 550;
        font-size: 18px;
        text-decoration: none;
        transition: background 0.15s ease-out, color 0.15s ease-out;
    }

    .docs-mobile-menu a:hover {
        background: rgba(99, 102, 241, 0.06);
        color: var(--brand);
    }

    .docs-mobile-menu a.is-active {
        background: linear-gradient(180deg, #eaf2ff, #e6f6ff);
        color: var(--brand-ink);
        box-shadow: 0 3px 8px rgba(2, 6, 23, .08);
    }

    @media (prefers-color-scheme: dark) {
        .docs-mobile-toggle {
            border-color: rgba(31, 42, 68, 0.9);
            background: rgba(15, 23, 42, 0.72);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
        }

        .docs-mobile-menu {
            border-color: rgba(31, 42, 68, 0.9);
            background: rgba(15, 23, 42, 0.92);
            box-shadow: 0 16px 36px rgba(0, 0, 0, .45);
        }

        .docs-mobile-menu a:hover {
            background: rgba(96, 165, 250, 0.12);
        }

        .docs-mobile-menu a.is-active {
            background: rgba(96, 165, 250, 0.14);
        }
    }
}

/* Desktop layout: 2 columns */
@media (min-width: 800px) {
    .info-layout {
        grid-template-columns: 240px 1fr;
        /* 240px sidebar, rest for content */
    }

    .info-sidebar {
        position: sticky;
        /* Keep it pinned below the sticky header, and above the fixed footer */
        top: calc(var(--header-offset, 64px) + 12px);
        max-height: calc(100vh - var(--header-offset, 64px) - var(--footer-offset, 48px) - 24px);
        overflow: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
}

/* Docs dropdown should be top/full-width when hamburger menu is used (<=1000px) */
@media (max-width: 1000px) {
    .info-sidebar {
        display: none;
    }

    /* Force the dropdown + doc body to span the full grid width (prevents "sidebar column" layout) */
    .docs-mobile-nav,
    #docBody {
        grid-column: 1 / -1;
    }
}

.faq-item {
    /* This is the new wrapper for <details> */
    display: flex;
    align-items: flex-start;
    /* Align icon with first line of text */
    gap: 12px;
    margin-bottom: 8px;
    /* Space between items */
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--brand);
    margin-top: 6px;
    /* Align with text */
}

.faq-content {
    flex-grow: 1;
}

.faq-content summary {
    font-size: 19px;
    /* Make question slightly larger */
    font-weight: 550;
    cursor: pointer;
    padding: 4px 0;
    /* Add a little vertical space for clicking */
    list-style-type: none;
    /* Hide default triangle */
    position: relative;
    padding-right: 25px;
    /* Space for a new chevron */
}

.faq-content summary::after {
    /* Custom chevron */
    content: '▼';
    position: absolute;
    right: 5px;
    top: 7px;
    font-size: 12px;
    color: var(--muted);
    transform: scaleY(0.8);
    transition: transform 0.2s ease-out;
}

.faq-content[open] summary::after {
    transform: scaleY(-0.8);
    /* Flip it when open */
}

/* Hide default summary marker in Webkit */
.faq-content summary::-webkit-details-marker {
    display: none;
}

.faq-content>div {
    /* This is the content inside the <details> */
    padding-top: 8px;
    line-height: 1.6;
}

.menu .dropdown {
    position: relative;
    display: inline-block;
    min-width: 130px;
}

/* Match the link style for the dropdown toggle */
.menu .dropdown-toggle {
    cursor: pointer;
    display: block;
}

.menu .dropdown-toggle::after {
    content: '';
    position: absolute;
    width: 130px;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--brand);
    transform-origin: bottom center;
    transition: transform 0.25s ease-out;
}

/* Show underline on hover */
.menu .dropdown:hover .dropdown-toggle::after {
    transform: scaleX(1);
}

/* Keep underline if it's the current page */
.menu a[aria-current="page"].dropdown-toggle::after {
    transform: scaleX(1);
    display: none;
}

.dropdown-content {
    position: absolute;
    background: var(--card);
    border: 1px solid var(--line);
    width: 220px;
    box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
    border-radius: var(--radius);
    z-index: 120;
    padding: 8px;
    left: 50%;
    /* Animation properties */
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-5px);
    transition: all 0.25s ease-out;
}

.menu .dropdown-content a {
    color: var(--ink);
    padding: 10px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 500;
    transition: all 0.25s ease-out;
    min-width: 0;
}

.menu .dropdown:hover .dropdown-content {
    transform: none;
}

.dropdown-content a::after {
    display: none;
    /* No underlines inside dropdown */
}

.dropdown-content a:hover {
    background-color: rgba(99, 102, 241, 0.14);
    color: var(--brand);
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    /* Animate to final position */
}

@media (prefers-color-scheme: dark) {
    .dropdown-content a:hover {
        background-color: rgba(96, 165, 250, 0.12);
    }
}

/* --- End Dropdown --- */

/* --- NEW: GitHub Icon Link Style --- */
.menu .github-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 6px;
    color: var(--muted);
    border-radius: 8px;
    transition: all 0.25s ease-out;
    min-width: 0;
    /* Override default min-width */
}

.menu .github-link:hover {
    color: var(--brand);
    background: rgba(99, 102, 241, 0.06);
    transform: scale(1.1);
}

.menu .github-link svg {
    display: block;
}

@media (max-width: 1000px) {
    .menu .github-link {
        width: 100%;
        /* Override 100% width on mobile */
        align-self: flex-start;
        padding: 8px 14px;
        margin-top: 6px;
        /* Add space above it in the drawer */
        justify-content: flex-start;
    }
}

/* Skip link for accessibility */
.skip {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden
}

.skip:focus {
    left: 10px;
    top: 10px;
    width: auto;
    height: auto;
    background: #111;
    color: #fff;
    padding: 8px 10px;
    border-radius: 10px;
    z-index: 999
}

/* Header / Tape (tab) nav refined to resemble NAR style */
header {
    position: sticky;
    top: 0;
    z-index: 1003;
    height: var(--header-fixed-height, 64px);
    overflow: visible;
    backdrop-filter: saturate(1.2) blur(6px);
    background: rgba(230, 246, 255, 0.9);
    border-bottom: 1px solid var(--line)
}

@media (prefers-color-scheme: dark) {
    header {
        background: rgba(15, 23, 42, .85)
    }
}

.nav {
    display: flex;
    gap: 4px;
    padding: 7px 10px;
    height: 100%;
    align-items: center;
    flex-wrap: nowrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 1;
    min-width: 0;
    align-self: center;
}

.logo {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    background: radial-gradient(60% 60% at 50% 40%, #93c5fd 0%, #60a5fa 35%, #3b82f6 65%, #1e3a8a 100%);
    box-shadow: 0 6px 18px rgba(59, 130, 246, .35)
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand h1 {
    font-size: 18px;
    margin: 0;
    line-height: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Tape-style tabs */
.menu {
    display: flex;
    gap: 5px;
    align-items: center;
    margin-left: auto;
    align-self: center;
}

.menu>a,
.menu>.dropdown>a {
    position: relative;
    display: inline-block;
    padding: 3px 8px;
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none !important;
    outline-offset: 1px;
    min-width: 130px;
    text-align: center;
    transition: all 0.3s ease-out;
}

.menu a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    /* Start scaled to 0 width */
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--brand);
    transform-origin: bottom center;
    transition: transform 0.25s ease-out;
}

/* On hover, scale the underline to 100% width */
.menu a:hover::after {
    transform: scaleX(1);
    /* Animate to full width */
    transform-origin: bottom center;
}

.menu a[aria-current="page"]::after,
.menu a.cta::after {
    display: none;
}

.menu a:hover:not([aria-current="page"]) {
    background: rgba(99, 102, 241, 0.06);
}

.menu a[aria-current="page"] {
    background: linear-gradient(180deg, #eaf2ff, #e6f6ff);
    color: var(--brand-ink);
    font-weight: 550;
    box-shadow: 0 3px 8px rgba(2, 6, 23, .08);
}

/* --- FIX: Add lift/press animation to regular menu links --- */
.menu a:not(.cta):not(.github-link):not([aria-current="page"]):hover {
    transform: translateY(-2px);
}

.menu a:not(.cta):not(.github-link):active {
    transform: translateY(0px);

    filter: brightness(0.95);
    /* Dims slightly */
    transition: all 0.25s ease-out;
}

@media (prefers-color-scheme: dark) {
    .menu {
        background: #0f172a;
        border-color: #1e293b
    }

    .menu a[aria-current="page"] {
        background: linear-gradient(180deg, #13243a, #0f1e34)
    }
}

.menu .cta {
    background: var(--brand);
    /* <-- Solid blue background */
    color: #fff;
    /* <-- White text */
    border: none;
    /* <-- No border */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .25);
    /* The blue shadow now matches */
    transition: all 0.25s ease-out;
}

.menu .cta:hover {
    text-decoration: none;
    /* <-- Remove underline */
    transform: translateY(-2px);
    /* Lifts up */
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.30);
    /* Shadow expands */
    filter: brightness(1.1);
}

.menu .cta:active {
    transform: translateY(0px);
    /* Pushes down */
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.20);
    /* Shadow shrinks */
    filter: brightness(0.95);
    /* Dims slightly */
}

.mobile {
    display: none
}

/* Sections */
section {
    padding: 22px 18px
}

.card {
    background: linear-gradient(180deg, #fdfdff, #f3f9ff);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
    padding: 22px 28px;
    transition: all 0.3s ease-out;
    color: var(--ink);
}

@media (prefers-color-scheme: dark) {
    .card {
        background: var(--card);
    }
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(2, 6, 23, .08);
    border-color: var(--brand);
    /* <-- Blue border on hover */
}

/* Fancy underline for card titles */
.card-title-hover {
    display: inline-block;
    /* Allows the ::after to position correctly */
    position: relative;
    cursor: default;
}

.card-title-hover::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    /* Start scaled to 0 width */
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--brand);
    /* Blue underline */
    transform-origin: bottom left;
    transition: transform 0.25s ease-out;
}

.card:hover .card-title-hover::after {
    /* Animate when the *card* is hovered, not just the text */
    transform: scaleX(1);
    transform-origin: bottom left;
}

.card ul.small {
    margin: 8px 0 0;
    padding-left: 24px;
    /* Gives space for the bullets */
    line-height: 1.7;
    /* Adds vertical spacing */
}

.hero {
    display: grid;
    gap: 20px;
    padding: 22px
}

.btn {
    appearance: none;
    border: 0;
    background: var(--brand);
    color: #fff;
    padding: 4px 14px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .25);
    cursor: pointer;
    transition: all 0.3s ease-out;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.30);
    filter: brightness(1.05);
    /* Adds a 'glow' */
    text-decoration: underline;
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.5);
    /* Semi-transparent white */
    color: var(--brand-ink);
    /* Dark blue text for contrast */
    border: 1px solid rgba(255, 255, 255, 0.8);
    /* Subtle white border */
    backdrop-filter: blur(10px);
    /* Frosted glass effect */
    -webkit-backdrop-filter: blur(4px);
    /* Safari support */
    transition: all 0.3s ease-out;
    /* Animation */
}

.btn.ghost:hover {
    background: rgba(255, 255, 255, 0.8);
    /* Becomes more opaque white */
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.08);
    text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
    .btn.ghost {
        background: #1e293b;
        color: #e5eefc
    }
}

.grid {
    display: grid;
    gap: 18px
}

.cols-2 {
    grid-template-columns: 1fr 1fr
}

.cols-3 {
    grid-template-columns: repeat(3, 1fr)
}

@media(max-width:1000px) {

    .cols-2,
    .cols-3 {
        grid-template-columns: 1fr
    }
}

h2 {
    margin: .2em 0 .4em
}

h3 {
    margin: 0.2em 0 .4em
}

.info-content h2,
.info-content h3 {
    margin-top: 0.2em;
    /* Match the h2 top margin */
}

.muted {
    color: var(--muted)
}

.small {
    font-size: 17px;
}

.hero ol.small {
    line-height: 1.8;
}

.code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    background: #0b1220;
    color: #d1e8ff;
    border-radius: 12px;
    padding: 14px;
    overflow: auto
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg);
    z-index: 1000;
    border-top: 1px solid var(--line);
    color: var(--muted);
    text-align: center;
    padding: 12px;
    transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
    max-height: 60px;
    overflow: hidden;
}

/* Collapsed state: shrinks to a thin accent bar.
   Transition has a 0.9s delay so re-collapse isn't jarring after mouse-leave. */
.footer.footer-collapsed {
    max-height: 4px;
    padding: 0;
    opacity: 0.5;
    border-top: 4px solid var(--brand);
    background: var(--brand);
    cursor: pointer;
    transition: max-height 0.4s ease 1.5s, padding 0.4s ease 1.5s,
                opacity 0.4s ease 1.5s, border-top 0.4s ease 1.5s,
                background 0.4s ease 1.5s;
}

/* Expand on hover — quick, no delay */
.footer.footer-collapsed:hover {
    max-height: 60px;
    padding: 12px;
    opacity: 1;
    border-top: 1px solid var(--line);
    background: var(--bg);
    transition: max-height 0.3s ease, padding 0.3s ease,
                opacity 0.3s ease, border-top 0.3s ease,
                background 0.3s ease;
}

/* Footer: enable ellipsis + click-to-expand ONLY when JS marks it collapsible */
.footer.footer-collapsible {
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s ease;
}

.footer.footer-collapsible.footer-expanded {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}

/* Docs layout - NEW */
/*.docs {This class is now just a wrapper, no styles needed here.}*/
/* This replaces the old .side rule */
.doc-nav-bar {
    display: flex;
    flex-wrap: wrap;
    /* Let tabs wrap on small screens */
    gap: 10px;
    margin-bottom: 24px;
    /* Space above the article card */
    border-bottom: 1px solid var(--line);
    /* Clean separator */
    justify-content: center;
}

/* This replaces the old .side a rule */
.doc-nav-bar a {
    display: inline-block;
    padding: 6px 12px;
    /* More vertical padding */
    border-radius: 10px 10px 0 0;
    /* Rounded top corners */
    color: var(--muted);
    /* color for non-active */
    text-decoration: none !important;
    font-weight: 550;
    transition: all 0.25s ease-out;
    border-bottom: 3px solid transparent;
    /* Placeholder for active border */
    margin-bottom: -1px;
    /* Pulls border onto the main line */
}

/* This replaces the old .side a:hover rule */
.doc-nav-bar a:hover {
    color: var(--brand);
    background: rgba(0, 0, 0, 0.02);
}

/* This replaces the old .side a.is-active rule */
.doc-nav-bar a.is-active {
    color: var(--brand);
    font-weight: 550;
    border-bottom-color: var(--brand);
    /* Active blue line */
    background: none;
    /* Remove card background */
    box-shadow: none;
    /* Remove card shadow */
}

/* Make the article full width */
.docs article.card {
    width: 100%;
}

@media (prefers-color-scheme: dark) {
    .doc-nav-bar a:hover {
        background: #0f172a;
    }

    .doc-nav-bar a.is-active {
        background: none;
        color: var(--brand);
    }
}

@media (prefers-color-scheme: dark) {
    .side a:hover {
        background: #0f172a
    }
}

/* Focus visible for keyboard users */
:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px
}

/* Welcome Screen Styles */
#welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
    opacity: 1;
    padding: calc(var(--header-offset, 56px) + 14px) 1rem calc(var(--footer-offset, 48px) + 12px);
    transform: translateY(0);
    transition: opacity 0.5s ease-out, transform 0.5s ease-in, background 0.3s ease;
    will-change: opacity, transform;
    overflow-y: auto;
    background: linear-gradient(180deg, #e6f6ff, #fdfdff);
}

@media (prefers-color-scheme: dark) {
    #welcome-screen {
        background: var(--bg);
    }
}

#welcome-screen.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-100%);
}

/* Hide main app elements initially */
#view,
#app-footer {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-in 0.2s, transform 0.5s ease-out 0.2s;
    will-change: opacity, transform;
}

#app-header.visible,
#view.visible,
#app-footer.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer only on home — completely hidden on other pages */
#app-footer.footer-hidden {
    display: none !important;
}

/* Header should stay opaque on ALL pages (including the welcome screen) */
header {
    z-index: 1003;
    background: rgba(230, 246, 255, 0.95);
    backdrop-filter: saturate(1.2) blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    header {
        background: rgba(15, 23, 42, .92);
    }
}

.app-container {
    position: relative;
    z-index: 1;
    /* Below header */
    width: 100%;
    max-width: 800px;
    background: transparent;
    border: none;
    border-radius: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tab-navigation {
    display: none;
    background-color: transparent;
    /* <-- Blend with the card */
    border-bottom: 1px solid var(--line);
    /* --- Match the card's rounded top corners --- */
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    padding: 8px 8px 0;
    /* Add padding so the pill doesn't touch the edge */
}

.tab-link {
    border: none;
    background: none;
    cursor: pointer;
    padding: 8px 14px;
    /* Make it more 'pilly' */
    font-size: 16px;
    font-weight: 500;
    color: var(--muted);
    border-bottom: none;
    /* Remove bottom border */
    border-radius: 8px;
    /* Make it a pill */
    transition: all 0.2s ease-out;
}

.tab-link:hover {
    background: rgba(0, 0, 0, 0.05);
    /* Subtle hover */
}

.tab-link.active {
    color: var(--brand-ink);
    background: linear-gradient(180deg, #eaf2ff, #e6f6ff);
    /* Light blue */
    font-weight: 550;
    box-shadow: 0 3px 8px rgba(2, 6, 23, .08) inset;
}

.tab-content {
    padding: 15px;
    text-align: center;
}

#start-content h1 {
    font-size: 32px;
    font-weight: 600;
    margin-top: -20px;
    margin-bottom: clamp(1.5rem, 3vh, 2rem);
    /* Height-based spacing: 24px to 32px */
    color: var(--brand-ink);
    animation: dynamicPopIn 0.6s ease-out 0.1s both;
    position: relative;
    z-index: 1;
}

.acknowledgement-text p {
    line-height: 1.6;
    color: var(--muted);
    margin-top: 0;
    margin-bottom: 8px;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
}

.acknowledgement-text {
    animation: dynamicPopIn 0.6s ease-out 0.4s both;
}

.proceed-button {
    background-color: var(--brand);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 7px 20px;
    font-size: 18px;
    cursor: pointer;
    margin-top: 0px;
    margin-bottom: 24px;
    transition: all 0.25s ease-out;
    animation: dynamicPopIn 0.6s ease-out 0.3s both;
}

.proceed-button:hover {
    filter: brightness(1.1);
    text-decoration: underline;
    transform: translateY(-2px);
    /* Add the lift */
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.30);
    /* Add shadow on hover */
}

/* --- NEW: Animated Hamburger Button --- */
.hamburger-button {
    /* Reset default button styles */
    appearance: none;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 10px;
    /* Clickable area */
    margin-left: auto;
    /* Pushes it to the right */
    z-index: 100;
    /* Make sure it's above the backdrop */
}

.hamburger-box {
    position: relative;
    width: 28px;
    /* Width of the icon */
    height: 20px;
    /* Height of the icon */
    display: block;
}

.hamburger-line {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    /* Thickness of the lines */
    background: var(--muted);
    border-radius: 4px;
    transition: all 0.3s ease-in-out;
}

.hamburger-line:nth-child(1) {
    top: 0;
}

.hamburger-line:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-line:nth-child(3) {
    bottom: 0;
}

/* --- Animation to 'X' when open --- */
.hamburger-button[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    top: 1px;
    /* Pixel adjustment for centering */
}

.hamburger-button[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-button[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    bottom: 1px;
    /* Pixel adjustment for centering */
}

/* Hide the old button just in case */
.btn.ghost.mobile {
    display: none;
}

/* --- Mobile Drawer Styles --- */
.backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 90;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.backdrop.is-open {
    display: block;
    opacity: 1;
}

@media (max-width: 1000px) {
    header {
        position: sticky;
        top: 0;
        z-index: 1003;
    }

    .nav {
        position: relative;
    }

    /* RE-STYLE .menu to be an off-screen drawer */
    .menu {
        display: flex;
        /* Override the default 'display:none' */
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        /* Align to the right */
        width: 220px;
        max-width: 100%;
        /* Good for small screens */
        bottom: auto;
        /* <--- FIX: Was 600%, which made it get cut off */
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid var(--line);
        border-left: 1px solid var(--line);
        border-radius: 12px;
        padding: 12px;
        margin-left: 0;
        z-index: 120;
        gap: 2px;
        align-items: flex-start;
        box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
        /* Make drawer scrollable when it doesn't fit between header and footer */
        max-height: calc(100vh - var(--header-offset, 64px) - var(--footer-offset, 48px) - 16px);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        /* Animation properties */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        /* Start slightly up */
        transition: all 0.3s ease-out;
    }

    .menu.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
        /* Match shadow */
    }

    /* Style links for vertical drawer */
    header .menu a {
        display: block;
        min-width: 0px;
        width: 100%;
        text-align: left;
        padding: 8px 14px;
        font-size: 18px;
        background: rgba(255, 255, 255, 0);
        border-radius: 10px;
        font-weight: 500;
    }

    header .menu .dropdown-toggle {
        text-align: left;
        /* This specifically overrides the desktop "center" rule */
    }

    header .menu .dropdown-toggle::after {
        width: 100%;
    }

    .menu .dropdown {
        width: 100%;
        min-width: 0;
        /* Reset desktop min-width */
    }

    .menu .dropdown-content {
        position: static;
        display: none;
        width: 100%;
        left: auto;
        right: auto;
        top: auto;
        transform: none;
        margin-right: 0;
        opacity: 1;
        visibility: visible;
        transition: none;
        box-shadow: none;
        border: none;
        padding: 0px;
        /* <--- Indent the sub-links */
        background: transparent;
    }

    .menu .dropdown.is-open .dropdown-content {
        display: block;
    }

    .menu .dropdown-content a {
        padding: 8px 14px 8px 29px;
        /* Slightly smaller padding */
        font-size: 16px;
        /* Slightly smaller font */
        font-weight: 400;
        /* Lighter weight */
        color: var(--muted);
    }

    .menu .dropdown-content a:hover {
        background: rgba(0, 0, 0, 0.05);
        /* Same as other mobile hovers */
        color: var(--brand);
        padding: 8px 14px 8px 29px;
    }

    .menu .dropdown-toggle::before {
        content: '›';
        position: absolute;
        right: 14px;
        top: 45%;
        /* Adjusted for new padding */
        font-size: 24px;
        color: var(--muted);
        transition: transform 0.2s ease-out;
        transform: translateY(-50%);
    }

    .menu .dropdown.is-open .dropdown-toggle::before {
        transform: translateY(-50%) rotate(90deg);
    }

    /* --- End Mobile Dropdown Fixes --- */

    .menu .cta {
        background: var(--brand);
        /* <-- Solid blue background */
        color: #fff;
        /* <-- White text */
        border: none;
        /* <-- No border */
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-radius: 10px;
        box-shadow: 0 8px 20px rgba(37, 99, 235, .25);
        /* The blue shadow now matches */
        transition: all 0.25s ease-out;
    }

    .menu>a:hover:not(.cta),
    .menu>.dropdown>a:hover:not(.cta) {
        background: rgba(0, 0, 0, 0.05);
        /* Adds a subtle blue hover */
        transform: none;
        /* Disables the desktop 'lift' effect */
    }

    .menu a[aria-current="page"] {
        background: linear-gradient(180deg, #eaf2ff, #e6f6ff);
        color: var(--brand-ink);
        font-weight: 550;
        box-shadow: none;
    }

    .mobile {
        display: block;
        margin-left: auto;
    }
}

@media (max-width: 1000px) and (prefers-color-scheme: dark) {
    .menu {
        background: rgba(15, 23, 42, 0.97);
        border-color: var(--line);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
    }
    .menu a[aria-current="page"] {
        background: linear-gradient(180deg, #13243a, #0f1e34);
        color: var(--brand-ink);
    }
    .menu>a:hover:not(.cta),
    .menu>.dropdown>a:hover:not(.cta) {
        background: rgba(255, 255, 255, 0.06);
    }
    .menu .dropdown-content a:hover {
        background: rgba(255, 255, 255, 0.06);
    }
}

@keyframes dynamicPopIn {
    0% {
        opacity: 0;
        transform: translateY(25px) scale(0.9);
    }

    60% {
        opacity: 1;
        transform: translateY(-5px) scale(1.05);
        /* Overshoots */
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        /* Settles */
    }
}

/* --- Workflow Tree Styles (Revised) --- */
.workflow-tree {
    padding: 20px 28px 28px 28px;
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--line);
    margin-bottom: 24px;
}

.workflow-q-main {
    /* Top-level question */
    font-weight: 600;
    font-size: 19px;
    color: var(--brand-ink);
    margin-bottom: 15px;
}

.workflow-tree ul {
    list-style: none;
    /* Remove default bullets */
    padding-left: 20px;
    /* Standard indentation */
    margin: 12px 0 0 0;
}

.workflow-tree ul li {
    margin-top: 10px;
    /* Spacing between items */
}

.workflow-tree ul ul {
    padding-left: 24px;
    /* Deeper indentation */
    margin-top: 10px;
}

.workflow-tree .workflow-q-sub {
    /* Nested question */
    font-size: 18px;
    color: var(--ink);
    font-weight: 400;
    margin-bottom: 8px;
}

.workflow-tree strong {
    color: var(--brand);
    font-weight: 600;
}

.workflow-tree .workflow-arrow {
    color: var(--accent);
    font-weight: 600;
    margin: 0 4px;
    /* Space around the arrow */
}

.welcome-corner-text {
    position: absolute;
    bottom: calc(var(--footer-offset, 48px) + 12px);
    right: 20px;
    z-index: 1001;
    /* Above footer (1000) and welcome screen (999) */
    font-size: 14px;
    color: var(--muted);
    opacity: 0.6;
}

/* Ensure welcome screen content stays below header on small screens */
#welcome-screen .app-container {
    position: relative;
    z-index: 1;
    /* Below header (header is z-index: 1001) */
    max-width: 100%;
    padding: 20px;
}

#welcome-screen .tab-content,
#welcome-screen .content-panel {
    position: relative;
    z-index: 1;
    /* Explicitly set to be below header */
}

/* Responsive scaling based on viewport HEIGHT */
@media (max-height: 800px) {
    #welcome-screen {
        padding: calc(var(--header-offset, 56px) + 9px) 1rem calc(var(--footer-offset, 48px) + 12px) !important;
    }
    
    #start-content h1 {
        margin-bottom: clamp(1rem, 2.5vh, 1.5rem) !important;
    }
    
    .welcome-image {
        max-height: clamp(250px, 42vh, 560px) !important;
        /* Increased by 40%, height-based */
        margin-bottom: clamp(1.25rem, 3vh, 2rem) !important;
    }
}

@media (max-height: 650px) {
    #welcome-screen {
        padding: calc(var(--header-offset, 56px) + 4px) 1rem calc(var(--footer-offset, 48px) + 12px) !important;
        align-items: flex-start !important;
        /* Top-align on very short screens */
    }
    
    #start-content h1 {
        font-size: clamp(1.4rem, 5vh, 1.8rem) !important;
        margin-top: 0 !important;
        margin-bottom: clamp(0.75rem, 2vh, 1.2rem) !important;
    }
    
    .welcome-image {
        max-height: clamp(196px, 35vh, 420px) !important;
        /* Proportionally scaled, height-based */
        margin-bottom: clamp(1rem, 2.5vh, 1.5rem) !important;
    }
}

@media (max-height: 500px) {
    #welcome-screen {
        padding: calc(var(--header-offset, 56px) + 0px) 0.75rem calc(var(--footer-offset, 48px) + 12px) !important;
    }
    
    #start-content h1 {
        font-size: clamp(1.2rem, 6vh, 1.6rem) !important;
        margin-top: 0 !important;
        margin-bottom: clamp(0.6rem, 2vh, 1rem) !important;
    }
    
    .welcome-image {
        max-height: clamp(140px, 30vh, 308px) !important;
        /* Increased by 40% from previous */
        margin-bottom: clamp(0.75rem, 2vh, 1.25rem) !important;
    }
    
    .proceed-button {
        font-size: 0.95rem !important;
        padding: 0.5rem 1.5rem !important;
        margin-bottom: 1rem !important;
    }
    
    .acknowledgement-text p {
        font-size: 0.85rem !important;
    }
}

/* Ensure content stays below header on all screens */
@media (max-width: 768px) {
    #welcome-screen,
    #welcome-screen * {
        z-index: auto !important;
    }
    
    #welcome-screen {
        z-index: 999 !important;
    }
}

.faq-section-heading {
    margin-top: 24px;
    margin-bottom: 16px;
    color: #334155;
}
@media (prefers-color-scheme: dark) {
    .faq-section-heading { color: #93c5fd; }
}

.faq-item {
    /* This is the new wrapper for <details> */
    display: flex;
    align-items: flex-start;
    /* Align icon with first line of text */
    gap: 12px;
    margin-bottom: 8px;
    /* Space between items */
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--brand);
    margin-top: 6px;
    /* Align with text */
}

.faq-content {
    flex-grow: 1;
}

.faq-content summary {
    font-size: 19px;
    /* Make question slightly larger */
    font-weight: 550;
    cursor: pointer;
    padding: 4px 0;
    /* Add a little vertical space for clicking */
    list-style-type: none;
    /* Hide default triangle */
    position: relative;
    padding-right: 25px;
    /* Space for a new chevron */
}

.faq-content summary::after {
    /* Custom chevron */
    content: '▼';
    position: absolute;
    right: 5px;
    top: 7px;
    font-size: 12px;
    color: var(--muted);
    transform: scaleY(0.8);
    transition: transform 0.2s ease-out;
}

.faq-content[open] summary::after {
    transform: scaleY(-0.8);
    /* Flip it when open */
}

/* Hide default summary marker in Webkit */
.faq-content summary::-webkit-details-marker {
    display: none;
}

.faq-content>div {
    /* This is the content inside the <details> */
    padding-top: 8px;
    line-height: 1.6;
}

.about-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    /* More space between sections */
}

.about-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--brand);
    margin-top: 6px;
    /* Align with h3 */
}

.about-content {
    flex-grow: 1;
}

.about-content h3 {
    margin-top: 0;
    /* Remove default h3 margin */
    margin-bottom: 8px;
    font-size: 20px;
    color: var(--ink);
}

.about-content p,
.about-content ul {
    margin-top: 0;
    line-height: 1.6;
    color: #334155;
}

.about-content .muted {
    color: #475569;
}

/* --- Form Styles --- */
#contactForm {
    margin-top: 16px;
}

#contactForm label {
    display: block;
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 6px;
    margin-top: 12px;
}

#contactForm input[type="email"],
#contactForm textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    /* Softer radius */
    background: var(--bg);
    /* Light background */
    font: 16px/1.4 system-ui, -apple-system, sans-serif;
    color: var(--ink);
    transition: all 0.2s ease-out;
}

#contactForm input[type="email"]:focus,
#contactForm textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: var(--card);
}

#contactForm textarea {
    min-height: 120px;
    resize: vertical;
}

#contactForm .btn-group {
    margin-top: 16px;
    display: flex;
    gap: 8px;
}

.tool-card {
    /* Uses .card styles from the base sheet */
    display: flex;
    flex-direction: column;
    /* Stack icon/content vertically */
    align-items: center;
    /* Center horizontally */
    text-align: center;
    padding: 22px 28px;
    min-height: 200px;
    /* Give them a uniform height */
}

.tool-card-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    color: var(--brand);
    margin-bottom: 12px;
}

.tool-card h3 {
    font-size: 20px;
    font-weight: 550;
    margin: 0 0 8px 0;
    color: var(--brand-ink);
}


.guide-step {
    /* This is for the Quick Guide card */
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.guide-step:last-child {
    margin-bottom: 0;
}

.guide-step-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--brand);
    margin-top: 2px;
}

.app-header-bar h2 {
    margin: 0;
    font-size: 18px;
    color: var(--brand-ink);
}

.app-container-shell:fullscreen .app-iframe {
    height: 100%;
}

#app-shell-container .info-sidebar .btn.ghost {
    /* Styles moved from inline JS to CSS */
    padding: 6px 12px;
    font-size: 14px;
    width: 100%;
    
    /* Ensures text in <button> and <a> align the same way */
    text-align: left; 

    /* Original styles from this rule */
    display: inline-block;
    margin-bottom: 10px; /* Adds space between buttons */
}
/* --- App Module Layout (Top Bar) --- */

.wrap.view-is-app {
    padding-top: 15px;
    padding-bottom: 20px;
}

/* This is the main container (replaces .app-container-shell) */
.app-shell-stacked {
    display: flex;
    flex-direction: column;
    height: 85vh; /* Sets a default height */
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 12px 28px rgba(2, 6, 23, .06);
    overflow: hidden; /* This is important! */
}

/* This is the new top bar (replaces .app-header-bar) */
.app-shell-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px; /* A bit more padding */
    border-bottom: 1px solid var(--line);
    flex-shrink: 0; /* Prevents the header from shrinking */
}

.app-header-buttons {
    display: flex;
    gap: 8px; /* Space between buttons */
}

/* This is the content area holding the iframe */
.app-shell-content {
    flex-grow: 1; /* Makes the content fill the remaining space */
    overflow: hidden; /* For the iframe */
}

/* This is the iframe itself */
.app-iframe {
    border: none;
    width: 100%;
    height: 100%; /* Make it fill the content area */
    background-color: var(--card);
}

/* Specific styles for the buttons in the app header */
.app-btn.btn.ghost {
    display: inline-flex; /* Use flex to align icon and text */
    align-items: center;
    justify-content: center;
    
    /* Reset/unify styles */
    margin: 0;
    padding: 7px 12px;
    font-size: 15px;
    width: auto; /* Let the button size itself */
    text-align: center;
    
    /* Re-affirm base ghost styles for consistency */
    background: rgba(255, 255, 255, 0.5);
    color: var(--brand-ink);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 0.2s ease-out;
}

/* Ensure the icon in the button is aligned */
.app-btn .btn-icon {
  width: 14px;
  height: 14px;
  margin-right: 6px;
  vertical-align: -2px; /* Aligns icon with text */
  stroke-width: 2.5; /* Makes icon bolder */
}

/* Hover/Active states for the new buttons */
.app-btn.btn.ghost:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.08);
}

.app-btn.btn.ghost:active {
    transform: translateY(0);
    filter: brightness(0.98);
}

/* --- Tool Card Button Group --- */
.tool-card-buttons {
    display: flex;
    gap: 14px; /* Adds space between the buttons */
    margin-top: auto; /* Pushes the button group to the bottom */
    padding-top: 5px; /* Adds a little space above the buttons */
    width: 100%;
    justify-content: center; /* <-- ADDED: This centers the buttons */
}

.tool-card-buttons .btn {
    /* REMOVED 'flex: 1' and 'width: 50%' */
    padding: 6px 12px;
    font-size: 14px;
    margin-top: 0; /* Override any default margins */
    text-align: center; /* Ensure text is centered */
}

/* Specific tweaks for the new ghost button */
.tool-card-buttons .btn.ghost {
    /* A lighter shadow looks better in a pair */
    box-shadow: 0 4px 10px rgba(2, 6, 23, .04);
}

/* --- Fullscreen Handling (FOR ZOOM) --- */

/* 1. This rule handles the main shell container */
#app-shell-container:fullscreen,
#app-shell-container:-webkit-full-screen,
#app-shell-container:-moz-full-screen,
#app-shell-container:-ms-fullscreen {
    /* This overrides 'overflow: hidden' and allows scrolling */
    overflow: auto !important;
}

/* 2. This rule handles the header */
#app-shell-container:fullscreen .app-shell-header,
#app-shell-container:-webkit-full-screen .app-shell-header,
#app-shell-container:-moz-full-screen .app-shell-header,
#app-shell-container:-ms-fullscreen .app-shell-header {
    /* This makes the header stick to the top when you scroll */
    position: sticky !important;
    top: 0 !important;
    background: var(--card);
    z-index: 10;
}

/* 3. This rule handles the iframe's parent container */
#app-shell-container:fullscreen .app-shell-content,
#app-shell-container:-webkit-full-screen .app-shell-content,
#app-shell-container:-moz-full-screen .app-shell-content,
#app-shell-container:-ms-fullscreen .app-shell-content {
    /* This tells the container not to clip the iframe */
    overflow: visible !important;
}

/* 4. This is the zoom rule for the iframe itself */
#app-shell-container:fullscreen .app-iframe,
#app-shell-container:-webkit-full-screen .app-iframe,
#app-shell-container:-moz-full-screen .app-iframe,
#app-shell-container:-ms-fullscreen .app-iframe {
    
    /* You can change 1.25 to 1.3 or 1.4 to zoom more */
    transform: scale(1.25) !important;
    transform-origin: top center !important; /* Zoom from the top-center */
    
    /* This fixes a bug in some browsers */
    height: 100% !important;
    width: 100% !important;
}
/* --- App Shell Header --- */
.app-shell-header {
    padding: 8px 16px; /* Restore simple padding */
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    min-height: 50px; 
}

.app-shell-title {
  margin: 0;
  font-size: 20px;
  color: var(--brand-ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.app-shell-header .app-header-buttons {
    flex-shrink: 0;
    margin-left: auto; /* This pushes them to the right */
}

/* Global tooltip behavior for help-icon */
.help-icon{position:relative;display:inline-block;cursor:help;z-index:1}
.help-icon:hover .help-tooltip,
.help-icon:focus-within .help-tooltip{opacity:1!important;visibility:visible!important}

/* --- Mobile Optimizations --- */
@media (max-width: 768px) {
    /* Reduce margins - content fills 92% of screen width */
    .wrap {
        max-width: 92%;
        padding-left: 4%;
        padding-right: 4%;
    }
    
    /* Footer mobile optimizations */
    .footer {
        font-size: 14px;
        padding: 10px 5%;
        left: 0;
        right: 0;
        width: 100%;
        transition: all 0.3s ease;
    }
    
    /* Expanded footer state */
    .footer.footer-collapsible.footer-expanded {
        padding: 12px 5%;
    }
    
    /* App header buttons - show icons only on mobile */
    .app-btn.btn.ghost span {
        display: none;
    }
    
    .app-btn.btn.ghost {
        padding: 7px 10px;
        min-width: auto;
    }
    
    .app-btn .btn-icon {
        margin-right: 0;
        width: 18px;
        height: 18px;
    }
    
    /* Adjust app shell header for mobile */
    .app-shell-header {
        padding: 8px 12px;
        gap: 8px;
    }
    
    .app-shell-title {
        font-size: 16px;
        min-width: 0;
        flex: 1;
    }
    
    .app-header-buttons {
        gap: 6px;
    }

}

/* ─── Additional Dark Mode Fixes ─────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
    .tab-link.active {
        background: linear-gradient(180deg, #13243a, #0f1e34);
        color: var(--brand);
        box-shadow: 0 3px 8px rgba(0,0,0,.2) inset;
    }
    .tab-link:hover {
        background: rgba(255,255,255,0.06);
    }
    .doc-nav-bar a:hover {
        background: rgba(255,255,255,0.06);
    }
    .tool-card h3 { color: #e2e8f0; }
    .tool-card .small,
    .tool-card .muted { color: #94a3b8; }
    .tool-card-buttons .btn:not(.ghost) {
        background: #1e3a5f;
        color: #93c5fd;
        box-shadow: none;
    }
    .tool-card-buttons .btn:not(.ghost):hover {
        background: #264a6e;
        box-shadow: none;
        filter: none;
    }
    .tool-card-buttons .btn.ghost {
        background: #1e293b;
        color: #94a3b8;
        border-color: var(--line);
    }
    .tool-card-buttons .btn.ghost:hover {
        background: #334155;
    }
    .app-header-bar h2 { color: var(--brand); }
    .app-shell-header { border-color: var(--line); }
    .app-shell-title { color: #e2e8f0; }
    .app-btn.btn.ghost {
        background: #1e293b;
        color: #94a3b8;
        border: 1px solid var(--line);
        box-shadow: none;
    }
    .app-btn.btn.ghost:hover {
        background: #334155;
        box-shadow: none;
    }
    .app-shell-stacked {
        box-shadow: 0 12px 28px rgba(0,0,0,0.3);
    }
    .info-sidebar {
        box-shadow: 0 12px 28px rgba(0,0,0,0.3);
    }
    .info-sidebar h3 { color: var(--brand); }
    .info-sidebar a:hover {
        background: rgba(96,165,250,0.1);
    }
    .info-sidebar a.is-active {
        background: linear-gradient(180deg, #13243a, #0f1e34);
        color: var(--brand);
        box-shadow: 0 3px 8px rgba(0,0,0,.2);
    }
    .info-sidebar .btn.ghost {
        background: #1e293b;
        color: var(--ink);
    }
    .info-sidebar .btn.ghost:hover {
        background: #334155;
    }

    /* Doc page card */
    #docBody.info-content {
        background: var(--card);
    }

    /* FAQ page — match doc contrast (bright headings, readable body) */
    .faq-section-heading { color: #93c5fd; }
    .faq-content summary { color: #f1f5f9; }
    .faq-content > div,
    .faq-content p,
    .faq-content li { color: #cbd5e1; }
    .faq-content strong { color: #bfdbfe; }
    .faq-content summary::after { color: #94a3b8; }
    .faq-icon { color: #60a5fa; }
    .faq-content a { color: #60a5fa; }

    /* About page */
    .about-content h3 { color: #f1f5f9; }
    .about-content p,
    .about-content ul,
    .about-content li { color: #cbd5e1; }
    .about-content .muted { color: #cbd5e1; }
    .about-content strong { color: #e2e8f0; }
    .about-content a { color: #60a5fa; }

    /* Contact form */
    #contactForm input[type="email"],
    #contactForm textarea {
        background: #1e293b;
        color: #e2e8f0;
        border-color: var(--line);
    }
    #contactForm label { color: #e2e8f0; }
    #contactForm .btn[type="submit"] {
        background: #1e3a5f;
        color: #93c5fd;
        box-shadow: none;
    }
    #contactForm .btn[type="submit"]:hover {
        background: #264a6e;
    }
    #contactForm .btn.ghost[type="reset"] {
        background: #1e293b;
        color: #94a3b8;
        border: 1px solid var(--line);
        box-shadow: none;
    }
    #contactForm .btn.ghost[type="reset"]:hover {
        background: #334155;
    }
}