/* ============================================================================
   OakTree Games — Widget Styles
   Settings panel, search modal, command palette, loading screen, lightbox,
   cookie banner, scroll progress, keyboard help overlay
   ============================================================================ */

/* ---------- LOADING SCREEN ---------- */
.loader {
    position: fixed; inset: 0;
    z-index: 9999;
    background: var(--bg-void);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 24px;
    transition: opacity 480ms ease, visibility 480ms ease;
}
.loader.loaded { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo {
    width: 96px; height: 96px;
    background: var(--accent-oak);
    border: 2px solid var(--accent-oak);
    box-shadow: 0 0 40px var(--accent-oak);
    animation: loader-pulse 1.6s ease-in-out infinite;
    image-rendering: pixelated;
}
.loader-logo img {
    width: 100%; height: 100%; display: block;
    mix-blend-mode: normal;
}
@keyframes loader-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 30px var(--accent-oak); }
    50%      { transform: scale(1.06); box-shadow: 0 0 60px var(--accent-oak); }
}
.loader-bar {
    width: 260px; height: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--line-soft);
    overflow: hidden;
    position: relative;
}
.loader-bar::after {
    content: "";
    position: absolute; left: -40%; top: 0; bottom: 0;
    width: 40%;
    background: linear-gradient(90deg, transparent, var(--accent-oak), transparent);
    animation: loader-slide 1.4s ease-in-out infinite;
}
@keyframes loader-slide { to { left: 100%; } }
.loader-text {
    font-family: var(--font-pixel);
    font-size: 10px;
    color: var(--text-sec);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    animation: loader-flicker 1.8s linear infinite;
}
@keyframes loader-flicker { 50% { opacity: 0.55; } }

/* ---------- SCROLL PROGRESS BAR ---------- */
.scroll-progress {
    position: fixed;
    top: var(--nav-h, 68px); left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-oak), var(--accent-cosmic));
    box-shadow: 0 0 12px var(--accent-oak);
    z-index: 95;
    transition: width 80ms linear;
}

/* ---------- SETTINGS PANEL (slide-in from right) ---------- */
.settings-panel {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 360px; max-width: 92vw;
    background: var(--bg-panel);
    border-left: 2px solid var(--line-soft);
    box-shadow: -16px 0 60px rgba(0,0,0,0.5);
    transform: translateX(102%);
    transition: transform 360ms cubic-bezier(.21,.92,.32,1);
    z-index: 200;
    overflow-y: auto;
    padding: var(--sp-6) var(--sp-5);
}
.settings-panel.is-open { transform: translateX(0); }

.settings-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
    z-index: 199;
}
.settings-overlay.is-open { opacity: 1; pointer-events: auto; }

.settings-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: var(--sp-4);
    margin-bottom: var(--sp-5);
    border-bottom: 1px solid var(--line-soft);
}
.settings-header h3 {
    font-family: var(--font-pixel);
    font-size: 12px;
    letter-spacing: 0.08em;
}
.settings-close {
    width: 32px; height: 32px;
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    color: var(--text-pri);
    font-family: var(--font-pixel);
    font-size: 12px;
    cursor: pointer;
}
.settings-close:hover { background: var(--accent-oak); color: var(--bg-void); }

.settings-group { margin-bottom: var(--sp-5); }
.settings-group-label {
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin-bottom: var(--sp-3);
}

/* Theme swatches */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-2);
}
.theme-swatch {
    padding: 14px 10px;
    text-align: center;
    cursor: pointer;
    border: 2px solid var(--line-faint);
    background: var(--bg-deep);
    /* snappy hover — transform 120ms */
    transition: border-color 200ms ease,
                transform 120ms cubic-bezier(.16, 1, .32, 1);
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-sec);
    position: relative;
}
.theme-swatch:hover { border-color: var(--line-soft); transform: translateY(-2px); }
.theme-swatch.active {
    border-color: var(--accent-oak);
    color: var(--text-pri);
    box-shadow: 0 0 16px rgba(124,192,134,0.18);
}
.theme-swatch::before {
    content: "";
    display: block;
    height: 32px;
    margin-bottom: 8px;
    background: var(--swatch-bg);
    border: 1px solid var(--line-soft);
}
.theme-swatch[data-theme="cosmic"]   { --swatch-bg: linear-gradient(135deg, #04060d, #7cc086 60%, #ffd86b); }
.theme-swatch[data-theme="forest"]   { --swatch-bg: linear-gradient(135deg, #060d09, #8bd49b 60%, #f6d27a); }
.theme-swatch[data-theme="volcanic"] { --swatch-bg: linear-gradient(135deg, #0d0604, #ff8552 60%, #ffd86b); }
.theme-swatch[data-theme="light"]    { --swatch-bg: linear-gradient(135deg, #f3f1ea, #2f7a3d 60%, #b5860f); }

/* Toggle row */
.setting-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--sp-3);
    padding: 10px 0;
    border-bottom: 1px dashed var(--line-faint);
}
.setting-row:last-child { border-bottom: none; }
.setting-row .label {
    font-size: 13px;
    color: var(--text-pri);
}
.setting-row .label small {
    display: block;
    color: var(--text-mute);
    font-size: 11px;
    margin-top: 2px;
}

/* Pixel toggle switch */
.toggle {
    --w: 44px; --h: 22px;
    width: var(--w); height: var(--h);
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    position: relative;
    cursor: pointer;
    transition: background 180ms ease, border-color 180ms ease;
}
.toggle::before {
    content: "";
    position: absolute;
    top: 2px; left: 2px;
    width: 16px; height: 16px;
    background: var(--text-sec);
    transition: transform 220ms cubic-bezier(.4,1.3,.5,1), background 180ms ease;
}
.toggle.on {
    background: var(--accent-oak);
    border-color: var(--accent-oak);
}
.toggle.on::before {
    background: var(--bg-void);
    transform: translateX(calc(var(--w) - var(--h) - 2px));
}

/* Segmented control (font size) */
.segmented {
    display: flex;
    border: 1px solid var(--line-soft);
    background: var(--bg-deep);
}
.segmented button {
    flex: 1;
    padding: 8px 4px;
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-sec);
    cursor: pointer;
    border-right: 1px solid var(--line-faint);
}
.segmented button:last-child { border-right: none; }
.segmented button.active {
    background: var(--accent-oak);
    color: var(--bg-void);
}

/* ---------- COMMAND PALETTE / SEARCH ---------- */
.cmdk-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.62);
    backdrop-filter: blur(8px);
    z-index: 250;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 12vh var(--sp-4) var(--sp-5);
}
.cmdk-backdrop.is-open {
    display: flex;
    animation: cmdk-fade 200ms ease;
}
@keyframes cmdk-fade { from { opacity: 0; } to { opacity: 1; } }

.cmdk-panel {
    width: 100%;
    max-width: 640px;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    box-shadow: 0 32px 80px rgba(0,0,0,0.6);
    overflow: hidden;
    animation: cmdk-pop 280ms cubic-bezier(.21,.92,.32,1);
}
@keyframes cmdk-pop { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.cmdk-search {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--line-soft);
}
.cmdk-search svg { width: 18px; height: 18px; color: var(--text-mute); }
.cmdk-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-pri);
    font-family: var(--font-body);
    font-size: 16px;
    padding: 6px 0;
}
.cmdk-search input::placeholder { color: var(--text-mute); }
.cmdk-search kbd {
    font-family: var(--font-pixel);
    font-size: 8px;
    padding: 4px 8px;
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    color: var(--text-mute);
}

.cmdk-results {
    max-height: 56vh;
    overflow-y: auto;
    padding: 8px 0;
}
.cmdk-group-label {
    padding: 12px 18px 6px;
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-mute);
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.cmdk-group-more {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0;
    text-transform: none;
    color: var(--accent-aurora);
    opacity: 0.75;
}
.cmdk-hint {
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-mute);
    border-bottom: 1px solid var(--line-faint);
}
.cmdk-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 18px;
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease;
    color: var(--text-pri);
}
.cmdk-item:hover, .cmdk-item.active {
    background: rgba(124,192,134,0.12);
    color: var(--accent-oak);
}
.cmdk-item .cmdk-icon {
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--bg-deep);
    border: 1px solid var(--line-faint);
    font-family: var(--font-pixel);
    font-size: 10px;
    color: var(--tier-color, var(--accent-oak));
    flex: 0 0 28px;
}
.cmdk-item .cmdk-text {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column; gap: 1px;
}
.cmdk-item .cmdk-text strong {
    font-size: 14px; font-weight: 500; color: inherit;
}
.cmdk-item .cmdk-text small { font-size: 11px; color: var(--text-mute); }
.cmdk-item .cmdk-meta {
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.06em;
    color: var(--text-mute);
}
.cmdk-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-mute);
    font-size: 14px;
}

/* ---------- KEYBOARD HELP OVERLAY ---------- */
.kbd-help {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.78);
    backdrop-filter: blur(6px);
    z-index: 220;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-5);
}
.kbd-help.is-open { display: flex; animation: cmdk-fade 200ms ease; }
.kbd-help-card {
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: var(--sp-6);
    max-width: 520px;
    width: 100%;
}
.kbd-help-card h3 {
    font-family: var(--font-pixel);
    font-size: 13px;
    letter-spacing: 0.06em;
    margin-bottom: var(--sp-4);
}
.kbd-help-card dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px 24px;
    font-size: 14px;
}
.kbd-help-card dt {
    display: inline-flex; gap: 4px;
}
.kbd-help-card dt kbd {
    padding: 4px 9px;
    font-family: var(--font-pixel);
    font-size: 10px;
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    color: var(--text-pri);
}
.kbd-help-card dd { color: var(--text-sec); }

/* ---------- COOKIE / CONSENT BANNER ---------- */
.consent {
    position: fixed;
    left: 16px; right: 16px; bottom: 16px;
    max-width: 480px;
    margin-left: auto;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: var(--sp-4);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    transform: translateY(120%);
    transition: transform 380ms cubic-bezier(.21,.92,.32,1);
    z-index: 150;
}
.consent.is-open { transform: translateY(0); }
.consent h4 {
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    color: var(--accent-oak);
}
.consent p { font-size: 13px; line-height: 1.5; }
.consent-actions {
    display: flex; gap: 8px; margin-top: var(--sp-3);
}

/* ---------- NEWSLETTER ---------- */
.newsletter {
    padding: var(--sp-6);
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-left: 3px solid var(--accent-oak);
}
.newsletter h3 {
    font-family: var(--font-pixel);
    font-size: 12px;
    letter-spacing: 0.06em;
    margin-bottom: var(--sp-3);
}
.newsletter-form {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-top: var(--sp-3);
}
.newsletter-form input {
    flex: 1; min-width: min(220px, 100%);
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    color: var(--text-pri);
    padding: 12px 14px;
    font-family: var(--font-body);
    font-size: 14px;
}
.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-oak);
}

/* ---------- IMAGE LIGHTBOX ---------- */
.lightbox-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 240;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-5);
    cursor: zoom-out;
}
.lightbox-backdrop.is-open {
    display: flex;
    animation: cmdk-fade 200ms ease;
}
.lightbox-backdrop img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    border: 1px solid var(--line-soft);
    box-shadow: 0 24px 60px rgba(0,0,0,0.8);
}
.lightbox-caption {
    position: absolute;
    bottom: 24px; left: 50%;
    transform: translateX(-50%);
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: 8px 16px;
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-pri);
}
[data-lightbox] { cursor: zoom-in; }

/* ---------- NAV ENHANCEMENTS ---------- */
.nav-tools {
    display: flex; align-items: center; gap: 6px;
    margin-left: 8px;
}
.nav-tool {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(124,192,134,0.06);
    border: 1px solid var(--line-faint);
    color: var(--text-sec);
    cursor: pointer;
    transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.nav-tool:hover {
    color: var(--accent-oak);
    border-color: var(--accent-oak);
    background: rgba(124,192,134,0.12);
}
.nav-tool svg { width: 16px; height: 16px; }

/* ---------- KONAMI EASTER EGG (developer mode) ---------- */
html[data-easter="dev"] body::after {
    content: "DEV MODE · KONAMI ENABLED";
    position: fixed;
    bottom: 12px; left: 12px;
    z-index: 9000;
    padding: 6px 10px;
    background: var(--accent-cosmic);
    color: var(--bg-void);
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.12em;
    box-shadow: 0 0 20px var(--accent-cosmic);
    animation: dev-blink 1.4s ease-in-out infinite;
    pointer-events: none;
}
@keyframes dev-blink { 50% { opacity: 0.45; } }
html[data-easter="dev"] .hero-title .accent {
    animation: shift-gradient 2.4s ease-in-out infinite;
}

/* ---------- TOAST ---------- */
.toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translate(-50%, 120%);
    background: var(--bg-panel);
    border: 1px solid var(--accent-oak);
    padding: 12px 20px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.5), 0 0 24px rgba(124,192,134,0.25);
    z-index: 300;
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-pri);
    transition: transform 380ms cubic-bezier(.21,.92,.32,1);
}
.toast.is-open { transform: translate(-50%, 0); }

/* Mobile adjustments */
@media (max-width: 720px) {
    .nav-tools { display: none; }
    .settings-panel { width: 100%; }
}

/* ============================================================================
   DROPDOWN NAVIGATION
   Hierarchical top nav with dropdowns for Games / Cosmic Scale / Studio.
   Desktop: hover OR click to open. Mobile: tap to expand inline.
   ============================================================================ */

.nav-links li.has-dropdown {
    position: relative;
}

.nav-link-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-sec);
    font-family: var(--font-pixel);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.nav-link-trigger:hover,
.nav-link-trigger.active,
.nav-link-trigger[aria-expanded="true"] {
    color: var(--text-pri);
    border-color: var(--line-soft);
    background: rgba(124, 192, 134, 0.06);
}
.nav-link-trigger .caret {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 220ms cubic-bezier(.21,.92,.32,1);
    margin-left: 2px;
}
.nav-link-trigger[aria-expanded="true"] .caret {
    transform: rotate(-135deg) translateY(-2px);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    /* Wider so long subtitles like "Sapling / Sprout / Oak" or
       "hello@oaktree-games.com" never clip. The dropdown auto-grows
       beyond this if content needs it. */
    min-width: 280px;
    max-width: 360px;
    background: var(--bg-panel-hi);
    border: 1px solid var(--line-soft);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.50), 0 0 0 1px var(--line-faint);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 200ms ease, visibility 200ms ease, transform 200ms cubic-bezier(.21,.92,.32,1);
    z-index: 95;
    list-style: none;
}
/* Right-side dropdown (Get The Game) anchors to the right of its
   trigger so it doesn't overflow the viewport on smaller desktops. */
.has-dropdown:last-of-type .nav-dropdown {
    left: auto;
    right: 0;
}
.has-dropdown:last-of-type .nav-dropdown::before {
    left: auto;
    right: 22px;
}
.nav-dropdown::before {
    content: "";
    position: absolute;
    top: -6px; left: 22px;
    width: 12px; height: 12px;
    background: var(--bg-panel-hi);
    border: 1px solid var(--line-soft);
    border-right: none;
    border-bottom: none;
    transform: rotate(45deg);
    z-index: -1;
}
.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown,
.has-dropdown.open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown li { list-style: none; margin: 0; }

.nav-dropdown a {
    /* Stacked layout — title row above subtitle row — so long
       subtitles like "Sapling / Sprout / Oak" or "hello@oaktree-games.com"
       have a full row of breathing room and never get truncated. */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 9px 14px;
    color: var(--text-sec);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-transform: none;
    border: 1px solid transparent;
    transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
    text-decoration: none;
}
.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
    color: var(--text-pri);
    background: rgba(124, 192, 134, 0.10);
    border-color: rgba(124, 192, 134, 0.20);
}
.nav-dropdown a small {
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mute);
    white-space: normal;
    line-height: 1.35;
}
.nav-dropdown a.featured {
    color: var(--accent-oak);
}
.nav-dropdown a.featured .pill {
    padding: 2px 6px;
    background: var(--accent-cosmic);
    color: var(--bg-void);
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.nav-dropdown-sep {
    height: 1px;
    margin: 4px 8px;
    background: var(--line-faint);
}
.nav-dropdown-label {
    display: block;
    padding: 8px 14px 4px;
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-mute);
}

/* Mobile — when the burger menu is open, dropdowns expand inline instead of floating */
@media (max-width: 880px) {
    .nav.is-open .nav-links li.has-dropdown { width: 100%; }
    .nav.is-open .nav-link-trigger {
        width: 100%;
        justify-content: space-between;
    }
    .nav.is-open .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: hidden;
        transform: none;
        height: 0;
        overflow: hidden;
        padding: 0;
        border: none;
        box-shadow: none;
        background: transparent;
        transition: height 260ms cubic-bezier(.21,.92,.32,1);
    }
    .nav.is-open .has-dropdown.open .nav-dropdown {
        visibility: visible;
        height: auto;
        padding: 6px 0 6px 14px;
        border-left: 2px solid var(--line-soft);
        margin-left: 12px;
    }
    .nav.is-open .nav-dropdown::before { display: none; }
}

/* ============================================================================
   DROPDOWN ITEM OVERHAUL
   ----------------------------------------------------------------------------
   Each menu item now reads as its own pixel-art card: a left accent rail, a
   pixel arrow that pushes in on hover, and a checkerboard sweep across the
   background. Section labels get an underline rail. Items stagger-fade in
   when the drawer opens.
   ============================================================================ */

.nav-dropdown {
    /* Override the default padding/min-width for a meatier drawer feel */
    min-width: 280px;
    padding: 8px;
}

.nav-dropdown a {
    position: relative;
    padding: 12px 14px 12px 22px;
    font-family: var(--font-body);
    font-size: 17px;          /* VT323 reads a touch larger comfortably */
    line-height: 1.15;
    border: 1px solid transparent;
    overflow: hidden;
    /* The 4-line transition lets every property animate together */
    transition: color 180ms ease,
                background 180ms ease,
                border-color 180ms ease,
                padding-left 220ms cubic-bezier(.21,.92,.32,1);
}
/* Left accent rail — collapsed by default, expands on hover */
.nav-dropdown a::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 3px; height: 0;
    background: var(--accent-oak);
    transform: translateY(-50%);
    transition: height 220ms cubic-bezier(.21,.92,.32,1);
}
/* Pixel chevron on the right — slides in on hover */
.nav-dropdown a::after {
    content: "▸";
    margin-left: auto;
    font-family: var(--font-pixel);
    font-size: 10px;
    color: var(--accent-oak);
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity 220ms ease, transform 220ms cubic-bezier(.21,.92,.32,1);
}
.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
    color: var(--accent-cosmic);
    background: linear-gradient(90deg,
        rgba(124, 192, 134, 0.16) 0%,
        rgba(255, 216, 107, 0.06) 100%);
    border-color: rgba(255, 216, 107, 0.28);
    padding-left: 28px;
}
.nav-dropdown a:hover::before,
.nav-dropdown a:focus-visible::before {
    height: 70%;
}
.nav-dropdown a:hover::after,
.nav-dropdown a:focus-visible::after {
    opacity: 1;
    transform: translateX(0);
}
.nav-dropdown a small {
    /* The hint label sits as a chip on the right */
    flex-shrink: 0;
    padding: 3px 7px;
    background: var(--bg-deep);
    border: 1px solid var(--line-faint);
    color: var(--text-mute);
    font-size: 8px;
    transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.nav-dropdown a:hover small,
.nav-dropdown a:focus-visible small {
    color: var(--accent-oak);
    border-color: var(--accent-oak);
    background: rgba(124, 192, 134, 0.08);
}

.nav-dropdown-label {
    /* Section header with a pixel underline rail */
    position: relative;
    padding: 12px 14px 6px;
    color: var(--accent-aurora);
    font-size: 9px;
    letter-spacing: 0.14em;
}
.nav-dropdown-label::after {
    content: "";
    display: block;
    margin-top: 6px;
    height: 1px;
    background: linear-gradient(90deg,
        var(--accent-aurora) 0%,
        var(--accent-aurora) 40%,
        transparent 100%);
    opacity: 0.45;
}

.nav-dropdown-sep {
    /* Dashed pixel divider between sections */
    margin: 6px 10px;
    border-top: 1px dashed var(--line-faint);
    background: none;
    height: 0;
}

/* Stagger-fade each row when the drawer opens. CSS-only; honors reduced motion */
.has-dropdown:hover .nav-dropdown li,
.has-dropdown:focus-within .nav-dropdown li,
.has-dropdown.open .nav-dropdown li {
    animation: nav-row-in 280ms cubic-bezier(.21,.92,.32,1) backwards;
}
.has-dropdown:hover .nav-dropdown li:nth-child(1),
.has-dropdown.open .nav-dropdown li:nth-child(1) { animation-delay: 20ms; }
.has-dropdown:hover .nav-dropdown li:nth-child(2),
.has-dropdown.open .nav-dropdown li:nth-child(2) { animation-delay: 40ms; }
.has-dropdown:hover .nav-dropdown li:nth-child(3),
.has-dropdown.open .nav-dropdown li:nth-child(3) { animation-delay: 60ms; }
.has-dropdown:hover .nav-dropdown li:nth-child(4),
.has-dropdown.open .nav-dropdown li:nth-child(4) { animation-delay: 80ms; }
.has-dropdown:hover .nav-dropdown li:nth-child(5),
.has-dropdown.open .nav-dropdown li:nth-child(5) { animation-delay: 100ms; }
.has-dropdown:hover .nav-dropdown li:nth-child(n+6),
.has-dropdown.open .nav-dropdown li:nth-child(n+6) { animation-delay: 120ms; }
@keyframes nav-row-in {
    from { opacity: 0; transform: translateX(-6px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================================
   PAGE TRANSITION OVERLAY
   ----------------------------------------------------------------------------
   A full-viewport panel that snaps in over the page while we navigate to a
   new URL, then fades back out on the new page.  The panel starts visible
   (opacity 1, ::before scanline + pixel logo flicker) and is removed by the
   .faded-out class once the next page has painted.  This makes navigation
   feel like one continuous app instead of a hard browser reload.
   ============================================================================ */
.oak-page-fade {
    position: fixed;
    inset: 0;
    z-index: 9990;          /* below the boot loader (9999), above everything else */
    background:
        linear-gradient(180deg,
            rgba(4,6,13,0.0) 0%,
            var(--bg-void) 22%,
            var(--bg-void) 78%,
            rgba(4,6,13,0.0) 100%),
        var(--bg-void);
    opacity: 1;
    pointer-events: none;
    transition: opacity 260ms cubic-bezier(.45,.05,.55,.95);
    display: flex;
    align-items: center;
    justify-content: center;
}
.oak-page-fade::after {
    content: "▸ ▸ ▸";
    font-family: var(--font-pixel);
    font-size: 14px;
    letter-spacing: 0.4em;
    color: var(--accent-cosmic);
    animation: oak-fade-chase 0.7s steps(3) infinite;
    opacity: 0.9;
}
@keyframes oak-fade-chase {
    0%, 33%   { opacity: 0.35; transform: translateX(-4px); }
    34%, 66%  { opacity: 0.7;  transform: translateX(0); }
    67%, 100% { opacity: 1;    transform: translateX(4px); }
}
/* Once the page has painted, the overlay class flips and it fades out */
.oak-page-fade.faded-out {
    opacity: 0;
    transition: opacity 360ms cubic-bezier(.45,.05,.55,.95);
}
.oak-page-fade.faded-out::after { display: none; }
/* Reduced motion: skip the fade entirely (still hide via instant opacity) */
html[data-motion="reduced"] .oak-page-fade,
html[data-motion="reduced"] .oak-page-fade.faded-out {
    transition-duration: 0.001ms !important;
}

/* ============================================================================
   INTRO HINT POPUP + PULSING NAV TOOLS
   ============================================================================ */
.oak-pulse {
    /* Soft outward glow + bob so the button is impossible to miss */
    animation: oak-pulse 1.4s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(255, 216, 107, 0.7);
}
@keyframes oak-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(255, 216, 107, 0.55); transform: translateY(0); }
    50%  { box-shadow: 0 0 0 10px rgba(255, 216, 107, 0); transform: translateY(-1px); }
    100% { box-shadow: 0 0 0 0 rgba(255, 216, 107, 0); transform: translateY(0); }
}

.oak-intro-hint {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 220;
    max-width: 360px;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease, transform 300ms cubic-bezier(.21,.92,.32,1);
}
.oak-intro-hint.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.oak-intro-card {
    background: var(--bg-panel);
    border: 1px solid var(--accent-cosmic);
    box-shadow:
        0 0 0 1px var(--bg-void),
        0 16px 40px rgba(0, 0, 0, 0.55),
        0 0 30px rgba(255, 216, 107, 0.22);
    padding: 18px 18px 16px;
    position: relative;
    overflow: hidden;
}
.oak-intro-card::before {
    /* Top accent bar */
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        var(--accent-oak),
        var(--accent-cosmic),
        var(--accent-aurora));
}
.oak-intro-eyebrow {
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-cosmic);
    margin-bottom: 10px;
}
.oak-intro-card h4 {
    font-family: var(--font-pixel);
    font-size: 14px;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--text-pri);
}
.oak-intro-card p {
    font-size: 15px;
    color: var(--text-sec);
    margin-bottom: 14px;
    line-height: 1.4;
}
.oak-intro-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.oak-intro-actions .btn { padding: 8px 14px; font-size: 11px; }

@media (max-width: 600px) {
    .oak-intro-hint {
        left: 12px; right: 12px;
        bottom: 12px;
        max-width: none;
    }
}

/* ============================================================================
   VOLUME RANGE SLIDER (Settings panel)
   ============================================================================ */
.oak-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    outline: none;
    cursor: pointer;
}
.oak-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px; height: 18px;
    background: var(--accent-oak);
    border: 1px solid var(--bg-void);
    cursor: pointer;
    transition: background 180ms ease, transform 180ms ease;
}
.oak-range::-webkit-slider-thumb:hover { background: var(--accent-cosmic); transform: scaleY(1.1); }
.oak-range::-moz-range-thumb {
    width: 14px; height: 18px;
    background: var(--accent-oak);
    border: 1px solid var(--bg-void);
    border-radius: 0;
    cursor: pointer;
    transition: background 180ms ease;
}
.oak-range::-moz-range-thumb:hover { background: var(--accent-cosmic); }

/* ============================================================================
   SITEWIDE BUTTON + LINK HOVER ANIMATIONS
   ----------------------------------------------------------------------------
   These give every interactive element a sense of weight: a subtle lift,
   a shadow drop, a colored underline that sweeps in. The footer is carved
   out explicitly so it stays as a static directory, not a kinetic surface.
   Reduced-motion + light theme both keep most of this — we only kill the
   *animation* part there, not the color feedback, so it stays accessible.
   ============================================================================ */

/* Primary buttons — lift + shadow on hover, snap back on press */
.btn {
    transition:
        transform 180ms cubic-bezier(.21,.92,.32,1),
        box-shadow 180ms ease,
        background-color 180ms ease,
        color 180ms ease,
        border-color 180ms ease;
    will-change: transform;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-pixel-md);
}
.btn:active {
    transform: translateY(0);
    transition-duration: 60ms;
}

/* Cards (entity, feature, donate, post, game) — gentle lift + accent rim */
.entity-card,
.feature-card,
.donate-tier,
.post,
.game-card,
.timeline-item {
    transition:
        transform 240ms cubic-bezier(.21,.92,.32,1),
        border-color 240ms ease,
        box-shadow 240ms ease;
}
.entity-card:hover,
.feature-card:hover,
.donate-tier:hover,
.post:hover,
.game-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-pixel-md);
}

/* CMS-driven inline links (paragraphs, list items) — animated pixel underline.
   Footer links and buttons are explicitly excluded. */
.section p a:not(.btn),
.section li a:not(.btn),
.note a,
.thanks-card a:not(.btn),
.cmdk-item a {
    position: relative;
    color: var(--accent-cosmic);
    background-image: linear-gradient(90deg, var(--accent-cosmic), var(--accent-cosmic));
    background-repeat: no-repeat;
    background-size: 0% 1px;
    background-position: 0 100%;
    transition: background-size 220ms cubic-bezier(.21,.92,.32,1),
                color 200ms ease;
}
.section p a:not(.btn):hover,
.section li a:not(.btn):hover,
.note a:hover,
.thanks-card a:not(.btn):hover,
.cmdk-item a:hover {
    color: var(--accent-oak);
    background-size: 100% 1px;
}

/* Nav-tool icon buttons — flash on hover with a small spin */
.nav-tool {
    transition:
        transform 240ms cubic-bezier(.21,.92,.32,1),
        color 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease;
}
.nav-tool:hover {
    transform: translateY(-1px) rotate(-6deg);
}
.nav-tool#oak-btn-settings:hover { transform: translateY(-1px) rotate(60deg); }
.nav-tool#oak-btn-theme:hover    { transform: translateY(-1px) rotate(-20deg); }

/* Footer — kept intentionally calm: no transforms, just a color shift */
.footer a,
.footer .social {
    transform: none !important;
    transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.footer a:hover { color: var(--accent-oak); }

/* Reduced motion strips every transform/animation but keeps color feedback */
html[data-motion="reduced"] .btn:hover,
html[data-motion="reduced"] .entity-card:hover,
html[data-motion="reduced"] .feature-card:hover,
html[data-motion="reduced"] .donate-tier:hover,
html[data-motion="reduced"] .post:hover,
html[data-motion="reduced"] .game-card:hover,
html[data-motion="reduced"] .nav-tool:hover,
html[data-motion="reduced"] .nav-dropdown a:hover {
    transform: none !important;
}

/* ============================================================================
   BIOME CARD GRID + MODAL POPUP
   ----------------------------------------------------------------------------
   Each biome card uses its real Unity asset colors as a gradient band, with
   a hover lift. Clicking opens a modal that pops up with the full
   moisture/temperature/elevation/mountain/resource detail straight from the
   exported BiomeDefinition JSON.
   ============================================================================ */
.biome-card-v2 {
    display: flex;
    flex-direction: column;
    background: var(--bg-panel);
    border: 1px solid var(--line-faint);
    cursor: pointer;
    overflow: hidden;
    text-align: left;
    transition: transform 240ms cubic-bezier(.21,.92,.32,1),
                border-color 240ms ease,
                box-shadow 240ms ease;
}
.biome-card-v2:hover,
.biome-card-v2:focus-visible {
    transform: translateY(-3px);
    border-color: var(--biome-primary);
    box-shadow: var(--shadow-pixel-md), 0 0 20px var(--biome-primary);
}
.biome-card-band {
    height: 90px;
    background:
        linear-gradient(135deg,
            var(--biome-primary, var(--accent-oak)) 0%,
            var(--biome-secondary, var(--accent-oak-d)) 100%);
    image-rendering: pixelated;
    position: relative;
    overflow: hidden;
}
.biome-card-band::before,
.biome-card-band::after {
    content: "";
    position: absolute;
    background: rgba(0,0,0,0.18);
}
.biome-card-band::before { top: 18px; left: -6px; right: -6px; height: 4px; }
.biome-card-band::after  { bottom: 12px; left: -6px; right: -6px; height: 4px; opacity: 0.6; }
.biome-card-body {
    padding: var(--sp-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.biome-card-body h3 {
    font-family: var(--font-pixel);
    font-size: 13px;
    letter-spacing: 0.04em;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--text-pri);
}
.biome-card-desc {
    font-size: 14px;
    color: var(--text-sec);
    margin-bottom: var(--sp-3);
    flex: 1;
    line-height: 1.4;
}
.biome-card-open {
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.10em;
    color: var(--biome-primary, var(--accent-oak));
    text-transform: uppercase;
    margin-top: auto;
}

/* ---- Biome detail modal ---- */
.biome-modal {
    position: fixed;
    inset: 0;
    z-index: 240;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-5);
}
.biome-modal.is-open { display: flex; animation: biome-modal-fade 220ms ease; }
@keyframes biome-modal-fade { from { opacity: 0; } to { opacity: 1; } }
.biome-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.72);
    backdrop-filter: blur(4px);
}
.biome-modal-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 560px;
    max-height: 86vh;
    overflow-y: auto;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    box-shadow: 0 24px 60px rgba(0,0,0,0.55), 0 0 0 1px var(--line-faint);
    padding: 0 0 var(--sp-5);
    animation: biome-modal-pop 280ms cubic-bezier(.21,.92,.32,1);
}
@keyframes biome-modal-pop {
    from { transform: translateY(20px) scale(0.96); opacity: 0; }
    to   { transform: translateY(0) scale(1);       opacity: 1; }
}
.biome-modal-close {
    position: absolute;
    top: 10px; right: 12px;
    width: 32px; height: 32px;
    background: rgba(4,6,13,0.55);
    border: 1px solid var(--line-soft);
    color: var(--text-pri);
    font-family: var(--font-pixel);
    font-size: 12px;
    cursor: pointer;
    z-index: 2;
}
.biome-modal-close:hover { background: var(--accent-oak); color: var(--bg-void); }
.biome-modal-band {
    height: 110px;
    image-rendering: pixelated;
    position: relative;
}
.biome-modal-band::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.55) 100%);
}
.biome-modal-body { padding: 0 var(--sp-5); }
.biome-modal-body h3 {
    margin-top: var(--sp-4);
    font-family: var(--font-pixel);
    font-size: 18px;
    letter-spacing: 0.04em;
    line-height: 1.2;
}
.biome-modal-desc {
    color: var(--text-sec);
    margin: var(--sp-3) 0;
}
.biome-modal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: var(--sp-4) 0;
    padding: var(--sp-3);
    background: var(--bg-deep);
    border: 1px solid var(--line-faint);
}
.biome-modal-grid > div { padding: 6px 8px; }
.biome-modal-grid dt {
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.12em;
    color: var(--text-mute);
    text-transform: uppercase;
    margin-bottom: 2px;
}
.biome-modal-grid dd { font-size: 14px; color: var(--text-pri); }
.biome-modal-section { margin-top: var(--sp-4); }
.biome-modal-section h4 {
    font-family: var(--font-pixel);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--accent-cosmic);
    margin-bottom: var(--sp-3);
    text-transform: uppercase;
}
.biome-res-list { list-style: none; padding: 0; }
.biome-res-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 10px;
    border-bottom: 1px dashed var(--line-faint);
    font-size: 14px;
}
.biome-res-list li:last-child { border-bottom: none; }
.biome-res-name { color: var(--text-pri); }
.biome-res-pct  {
    color: var(--accent-cosmic);
    font-family: var(--font-pixel);
    font-size: 11px;
}

/* Biome grid layout — match the existing biome-grid container if present */
.biome-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--sp-4);
}

/* ============================================================================
   RESEARCH TREE
   ----------------------------------------------------------------------------
   Each tier is a column; nodes inside a tier stack vertically. SVG paths
   draw curved connectors between each node and its prerequisites. Click a
   node to highlight its full prerequisite chain + open the side panel with
   the full details from the Unity ResearchNodeDefinition SO.
   ============================================================================ */
.research-tree-host {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--sp-5);
    align-items: flex-start;
}
@media (max-width: 980px) {
    .research-tree-host { grid-template-columns: 1fr; }
}
.research-tree-scroll {
    overflow-x: auto;
    overflow-y: visible;
    border: 1px solid var(--line-faint);
    background:
        linear-gradient(0deg, rgba(124,192,134,0.04), rgba(124,192,134,0.04)),
        radial-gradient(ellipse at 30% 20%, rgba(255,216,107,0.06), transparent 65%),
        var(--bg-panel);
    padding: 16px 0;
}
.research-tree-canvas {
    position: relative;
}
.research-tree-svg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: block;
}
.tree-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 8px 12px;
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    border-left: 4px solid var(--tier-color, var(--accent-oak));
    color: var(--text-pri);
    text-align: left;
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform 180ms cubic-bezier(.21,.92,.32,1),
                background 180ms ease, border-color 180ms ease,
                box-shadow 180ms ease, opacity 180ms ease;
}
.tree-node:hover {
    transform: translateY(-2px);
    border-color: var(--tier-color);
    background: var(--bg-panel-hi);
    box-shadow: 0 0 12px var(--tier-color);
}
.tree-node.is-dimmed { opacity: 0.32; }
.tree-node.is-in-chain {
    background: var(--bg-panel-hi);
    border-color: var(--accent-cosmic);
    box-shadow: 0 0 18px rgba(255,216,107,0.35);
}
.tree-node-tier {
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.12em;
    color: var(--tier-color);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.tree-node-name {
    font-size: 14px;
    color: var(--text-pri);
    line-height: 1.2;
}

.tree-detail-panel {
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: var(--sp-4);
    position: sticky;
    top: calc(var(--nav-h, 68px) + 8px);
}
.tree-detail-empty {
    color: var(--text-mute);
    font-size: 14px;
    line-height: 1.5;
}
.tree-detail-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: var(--sp-3);
    margin-bottom: var(--sp-3);
    border-bottom: 1px dashed var(--line-faint);
}
.tree-detail-tier {
    padding: 4px 8px;
    background: var(--bg-deep);
    border: 1px solid var(--tier-color);
    color: var(--tier-color);
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.08em;
}
.tree-detail-head h3 {
    font-family: var(--font-pixel);
    font-size: 13px;
    line-height: 1.2;
    letter-spacing: 0.04em;
    margin: 0;
}
.tree-detail-desc {
    color: var(--text-sec);
    margin-bottom: var(--sp-3);
}
.tree-detail-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 14px;
    padding: var(--sp-3);
    background: var(--bg-deep);
    border: 1px solid var(--line-faint);
    margin-bottom: var(--sp-3);
}
.tree-detail-grid dt {
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.10em;
    color: var(--text-mute);
    text-transform: uppercase;
    align-self: center;
}
.tree-detail-grid dd { font-size: 13px; color: var(--text-pri); }
.tree-detail-section {
    margin-top: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px dashed var(--line-faint);
}
.tree-detail-section h4 {
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.10em;
    color: var(--accent-cosmic);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.tree-detail-section p { font-size: 13px; color: var(--text-sec); }
.tree-prereq-pill {
    display: inline-block;
    margin: 0 4px 4px 0;
    padding: 4px 8px;
    background: var(--bg-deep);
    border: 1px solid var(--accent-cosmic);
    color: var(--accent-cosmic);
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.08em;
}

/* ============================================================================
   ITEM CARD + DETAIL MODAL
   ----------------------------------------------------------------------------
   Item cards on the catalogue page are clickable — they open a modal with
   the full item spec + cross-referenced recipes (what produces it, what
   uses it as ingredient). The modal reuses .biome-modal styling for shape
   so it feels consistent with the biome popups.
   ============================================================================ */
.item-card-clickable {
    cursor: pointer;
}
.item-card-clickable:focus-visible {
    outline: 2px solid var(--tier-color);
    outline-offset: 2px;
}
.item-modal-tierchip {
    position: absolute;
    top: 12px; left: 14px;
    padding: 4px 8px;
    background: rgba(4,6,13,0.78);
    border: 1px solid var(--accent-oak);
    color: var(--text-pri);
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.10em;
    z-index: 2;
}
.item-modal-body h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.item-flag {
    padding: 2px 8px;
    font-family: var(--font-pixel);
    font-size: 8px;
    letter-spacing: 0.10em;
    border: 1px solid currentColor;
}
.item-flag.flag-fuel  { color: var(--accent-amber, #ffa845); }
.item-flag.flag-fluid { color: var(--accent-aurora, #66e0c6); }
.item-recipe-list {
    list-style: none;
    padding: 0;
    columns: 2;
    column-gap: var(--sp-4);
}
@media (max-width: 600px) { .item-recipe-list { columns: 1; } }
.item-recipe-list li {
    break-inside: avoid;
    padding: 6px 8px;
    border-bottom: 1px dashed var(--line-faint);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}
.item-recipe-list li small {
    color: var(--accent-cosmic);
    font-family: var(--font-pixel);
    font-size: 9px;
    letter-spacing: 0.06em;
}

/* ============================================================================
   ABOUT PAGE — INTERACTIVE STUDIO PRINCIPLES
   ----------------------------------------------------------------------------
   Each principle is a click-to-expand row. The summary line stays visible
   collapsed; the longer "details" paragraph slides in below when expanded.
   Multiple rows can stay open at the same time so visitors can compare
   principles side-by-side. The caret rotates and the row background lights
   up to indicate state.
   ============================================================================ */
.principles-interactive { padding: 0; }
.principle-row { list-style: none; }
.principle-toggle {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: baseline;
    gap: 10px;
    width: 100%;
    padding: 14px 12px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--text-sec);
    transition: background 180ms ease;
}
.principle-toggle:hover { background: rgba(124, 192, 134, 0.05); }
.principle-toggle[aria-expanded="true"] {
    background: rgba(124, 192, 134, 0.08);
}
.principle-toggle strong {
    display: block;
    font-family: var(--font-pixel);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--text-pri);
    grid-column: 1;
}
.principle-summary {
    grid-column: 2;
    font-size: 14px;
    line-height: 1.4;
}
.principle-caret {
    grid-column: 3;
    align-self: center;
    font-family: var(--font-pixel);
    font-size: 11px;
    color: var(--accent-oak);
    transition: transform 220ms cubic-bezier(.21,.92,.32,1);
}
.principle-toggle[aria-expanded="true"] .principle-caret {
    transform: rotate(180deg);
}
.principle-details {
    padding: 0 12px 14px 12px;
    color: var(--text-sec);
    animation: principle-reveal 280ms cubic-bezier(.21,.92,.32,1);
}
.principle-details p {
    font-size: 14px;
    line-height: 1.6;
    padding-left: 14px;
    border-left: 2px solid var(--accent-oak);
}
@keyframes principle-reveal {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 520px) {
    .principle-toggle { grid-template-columns: 1fr auto; }
    .principle-toggle strong { grid-column: 1; }
    .principle-summary  { grid-column: 1 / -1; }
    .principle-caret    { grid-column: 2; grid-row: 1; }
}

/* ============================================================================
   MOBILE POLISH — FINAL PASS
   ----------------------------------------------------------------------------
   Final touch-ups for narrow viewports. Everything above is responsive
   by default; this block fixes the specific spots where fixed pixel
   sizes or tight grids would clip on phones.
   ============================================================================ */
@media (max-width: 720px) {
    /* Game-page Core Systems tab bar — horizontal scroll instead of wrap
       so the 6-tab strip stays a single readable row on phones. */
    .tab-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }
    .tab-bar .tab {
        flex: 0 0 auto;
        scroll-snap-align: start;
    }
    /* Hero stat row — keep counts readable when they fall to a 2-col grid */
    .hero-meta {
        gap: 8px 12px;
    }
    .hero-meta-item strong { font-size: 22px; }
    /* Galactic orbital diagram — shrink so the outer orbits stay visible.
       Without this the largest 780px-wide orbit clips through the page. */
    .galaxy-canvas {
        max-height: 60vh;
    }
    .galaxy-sun { width: 40px; height: 40px; }
    /* All modal cards — give a bit more horizontal room on phones */
    .biome-modal-card,
    .item-modal .biome-modal-card,
    .planet-modal .biome-modal-card {
        max-width: calc(100vw - 24px);
    }
    /* Wandering player sprite stays at 40px which is fine; canvas already
       scales naturally with viewport. */
    /* Bigger touch targets for icons in the nav */
    .nav-tool {
        min-width: 38px;
        min-height: 38px;
    }
    /* Settings panel close + close buttons on modals need a 44px target
       to meet WCAG mobile guidance. */
    .settings-close,
    .biome-modal-close {
        min-width: 44px;
        min-height: 44px;
    }
}

/* On the smallest screens ( ≤480px ) further tighten things */
@media (max-width: 480px) {
    .galaxy-canvas { max-height: 50vh; }
    .biome-modal-grid { grid-template-columns: 1fr; }
    .item-recipe-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
}

/* ============================================================================
   ITCH.IO EMBED WIDGET
   ----------------------------------------------------------------------------
   The iframe ships fixed at 554×169 from itch's dashboard. We wrap it in a
   centered container with our pixel-art chrome and let the iframe stay at
   554 on desktop while wrapping cleanly without a horizontal scroll on
   narrower viewports. Border/bg colors in the iframe URL are already tuned
   to match the cosmic theme (purple #a55bfa border).
   ============================================================================ */
.itch-embed-wrap {
    display: flex;
    justify-content: center;
    padding: var(--sp-3) 0;
    perspective: 800px;
}
.itch-embed {
    width: 554px;
    height: 169px;
    max-width: 100%;
    border: 1px solid rgba(165, 91, 250, 0.45);
    box-shadow:
        0 0 0 1px var(--bg-void),
        0 18px 40px rgba(0, 0, 0, 0.55),
        0 0 32px rgba(165, 91, 250, 0.25);
    transition: transform 240ms cubic-bezier(.21,.92,.32,1),
                box-shadow 240ms ease;
    background: #000;
}
.itch-embed-wrap:hover .itch-embed {
    transform: translateY(-3px) rotateX(2deg);
    box-shadow:
        0 0 0 1px var(--bg-void),
        0 22px 48px rgba(0, 0, 0, 0.6),
        0 0 44px rgba(165, 91, 250, 0.45);
}
/* On very narrow screens, drop the rotation to keep things grounded */
@media (max-width: 600px) {
    .itch-embed-wrap:hover .itch-embed { transform: translateY(-2px); }
}
html[data-motion="reduced"] .itch-embed-wrap:hover .itch-embed {
    transform: none !important;
}