/* ═══════════════════════════════════════════════════════════
   ETUDE — Menu Primitives
   Game-menu structural DNA. Theme-agnostic (reads --menu-* from
   menu-themes.css). Provides .menu-tile, .menu-surface,
   .menu-ticker, .menu-chevron, panel entrance, cursor shell.
   ═══════════════════════════════════════════════════════════ */

/* ── Surface: the canvas behind any menu ─────────── */
.menu-surface {
    position: relative;
    background: var(--menu-bg);
    color: var(--menu-ink);
    /* Menu prose reads as narrative serif (Crimson Pro); data
       opts back into mono via the rule below. Previously this
       defaulted to JetBrains Mono, giving menus a "terminal" feel. */
    font-family: var(--rq-font-display, 'Crimson Pro', Georgia, serif);
    isolation: isolate;
}
/* Tabular/data elements stay monospaced without per-element edits. */
.menu-surface [data-mono],
.menu-surface .menu-ticker,
.menu-surface .mono {
    font-family: var(--rq-font-mono, 'JetBrains Mono', monospace);
}
.menu-surface::before {
    /* Faint staff-line pattern for decoration. SVG data URI,
       CSP-safe. Scales at 100% x 32px, repeated vertically.
       Theme-tintable via currentColor. */
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent 0 30px,
            currentColor 30px 31px
        );
    color: var(--menu-ink);
    opacity: var(--menu-decor-opacity);
    pointer-events: none;
    mix-blend-mode: multiply;
    z-index: 0;
}
html[data-menu-theme="lyra"] .menu-surface::before,
html[data-menu-theme="card_table"] .menu-surface::before,
html[data-menu-theme="proving"] .menu-surface::before,
html[data-menu-theme="poseidon"] .menu-surface::before,
html[data-menu-theme="echohaven"] .menu-surface::before,
html[data-menu-theme="echo_grove"] .menu-surface::before {
    /* Dark themes: lines should LIGHTEN the surface. */
    mix-blend-mode: screen;
    opacity: calc(var(--menu-decor-opacity) * 1.5);
}


/* ── Tile: the atomic selectable unit ────────────── */
.menu-tile {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px 14px 26px;
    min-height: 48px;
    background: var(--menu-bg-raised);
    color: var(--menu-ink);
    border: none;
    text-align: left;
    font: inherit;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    clip-path: polygon(
        0 0,
        calc(100% - 14px) 0,
        100% 50%,
        calc(100% - 14px) 100%,
        0 100%
    );
    transform: skewX(var(--menu-skew));
    transition:
        transform var(--menu-dur-snap) var(--menu-ease-spring),
        background var(--menu-dur-snap) ease,
        color var(--menu-dur-snap) ease;
    will-change: transform;
}
.menu-tile > * {
    /* Un-skew inner content so text reads straight */
    transform: skewX(calc(-1 * var(--menu-skew)));
}
.menu-tile:hover,
.menu-tile:focus-visible {
    transform: skewX(var(--menu-skew)) translateX(6px) scale(1.015);
    background: var(--menu-bg);
    outline: none;
    box-shadow:
        -6px 0 20px var(--menu-accent-hot-glow);
}
.menu-tile--active {
    background: var(--menu-accent-hot);
    color: var(--menu-bg);
    box-shadow:
        -6px 0 22px var(--menu-accent-hot-glow);
}
.menu-tile--locked {
    opacity: 0.38;
    filter: grayscale(0.55);
    cursor: not-allowed;
}
.menu-tile--locked:hover {
    transform: skewX(var(--menu-skew));
    box-shadow: none;
}


/* ── Chevron: leading-edge gold wedge on focus ───── */
.menu-chevron {
    flex: 0 0 12px;
    width: 10px;
    height: 14px;
    background: var(--menu-accent-gold);
    clip-path: polygon(0 0, 100% 50%, 0 100%);
    opacity: 0;
    transition:
        opacity 140ms ease,
        transform 220ms var(--menu-ease-spring);
    /* Pre-skewed counter already applied by parent > * rule;
       chevron needs explicit NO-un-skew to stay pointing right. */
    transform: skewX(var(--menu-skew)) translateX(0);
}
.menu-tile:hover .menu-chevron,
.menu-tile:focus-visible .menu-chevron,
.menu-tile--active .menu-chevron {
    opacity: 1;
    transform: skewX(var(--menu-skew)) translateX(3px);
}


/* ── Ticker: kinetic number roller ──────────────── */
.menu-ticker {
    display: inline-block;
    overflow: hidden;
    vertical-align: baseline;
    line-height: 1;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}
.menu-ticker > .menu-ticker__inner {
    display: block;
    transition:
        transform 380ms var(--menu-ease-spring),
        color 220ms ease;
}
.menu-ticker--rolling > .menu-ticker__inner {
    color: var(--menu-accent-gold);
}


/* ── Cursor: the floating chevron ────────────────── */
.menu-cursor {
    position: fixed;
    top: 0; left: 0;
    width: 18px; height: 22px;
    pointer-events: none;
    z-index: 1000;
    background: var(--menu-cursor-color);
    clip-path: polygon(
        0 12%,
        58% 50%,
        0 88%,
        18% 50%
    );
    opacity: 0;
    filter: drop-shadow(0 0 6px var(--menu-accent-gold-glow));
    transition:
        opacity 160ms ease;
    transform: translate3d(0, 0, 0);
    will-change: transform, opacity;
}
.menu-cursor--visible {
    opacity: 0.95;
}
.menu-cursor--pulse {
    animation: menu-cursor-pulse 0.4s ease-out;
}
@keyframes menu-cursor-pulse {
    0%   { filter: drop-shadow(0 0 6px var(--menu-accent-gold-glow)); }
    40%  { filter: drop-shadow(0 0 16px var(--menu-accent-gold-glow))
                   drop-shadow(0 0 4px var(--menu-accent-hot-glow)); }
    100% { filter: drop-shadow(0 0 6px var(--menu-accent-gold-glow)); }
}


/* ── Panel entrance ─────────────────────────────── */
@keyframes menu-panel-wipe-left {
    from { clip-path: inset(0 100% 0 0); }
    to   { clip-path: inset(0 0 0 0); }
}
@keyframes menu-panel-wipe-right {
    from { clip-path: inset(0 0 0 100%); }
    to   { clip-path: inset(0 0 0 0); }
}
@keyframes menu-tile-arrive {
    from { transform: skewX(var(--menu-skew)) translateX(-18px); opacity: 0; }
    to   { transform: skewX(var(--menu-skew)) translateX(0); opacity: 1; }
}


/* ── Confirm wipe (on tile select) ──────────────── */
.menu-tile--confirming::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--menu-accent-gold);
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    animation: menu-confirm-wipe 280ms ease-out forwards;
    mix-blend-mode: screen;
    pointer-events: none;
}
@keyframes menu-confirm-wipe {
    0%   { clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); opacity: 0.85; }
    60%  { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); opacity: 0.75; }
    100% { clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%); opacity: 0; }
}


/* ── Theme picker grid (consumed by theme-picker.js) ── */
.theme-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 12px;
}
.theme-picker__card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px;
    min-height: 120px;
    background: var(--menu-bg-raised);
    color: var(--menu-ink);
    border: none;
    cursor: pointer;
    font: inherit;
    text-align: left;
    clip-path: polygon(
        0 0,
        calc(100% - 18px) 0,
        100% 18px,
        100% 100%,
        18px 100%,
        0 calc(100% - 18px)
    );
    transform: skewX(var(--menu-skew));
    transition:
        transform var(--menu-dur-snap) var(--menu-ease-spring),
        box-shadow var(--menu-dur-snap) ease;
}
.theme-picker__card > * {
    transform: skewX(calc(-1 * var(--menu-skew)));
}
.theme-picker__card:hover,
.theme-picker__card:focus-visible {
    transform: skewX(var(--menu-skew)) translateY(-4px) scale(1.02);
    box-shadow: 0 10px 28px var(--menu-accent-hot-glow);
    outline: none;
}
.theme-picker__card--active {
    box-shadow: 0 0 0 2px var(--menu-accent-gold),
                0 10px 28px var(--menu-accent-gold-glow);
}
.theme-picker__card--locked {
    opacity: 0.45;
    filter: grayscale(0.7);
    cursor: not-allowed;
}
.theme-picker__card--locked:hover {
    transform: skewX(var(--menu-skew));
    box-shadow: none;
}
.theme-picker__swatches {
    display: flex;
    gap: 4px;
    height: 22px;
}
.theme-picker__swatch {
    flex: 1;
    border-radius: 2px;
}
.theme-picker__name {
    font-family: 'Crimson Pro', Georgia, serif;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.2px;
}
.theme-picker__desc {
    font-family: 'Crimson Pro', serif;
    font-style: italic;
    font-size: 12px;
    line-height: 1.35;
    color: var(--menu-ink-soft);
}
.theme-picker__badge {
    position: absolute;
    top: 10px; right: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--menu-accent-gold);
}
.theme-picker__hint {
    font-family: 'Crimson Pro', serif;
    font-style: italic;
    font-size: 11px;
    color: var(--menu-ink-soft);
    opacity: 0.85;
}
.theme-picker__header {
    margin-bottom: 6px;
    font-family: 'Crimson Pro', serif;
    font-size: 13px;
    font-style: italic;
    color: var(--menu-ink-soft);
}


/* ── Hub floating action buttons (Loadout/Arena/QB) ── */
/* Adds chevron + hover-lift + focus ring while preserving
   each button's unique hue (set via inline cssText). */
.hub-fab {
    position: relative;
    transition:
        transform 200ms var(--menu-ease-spring),
        box-shadow 200ms ease,
        filter 180ms ease;
    will-change: transform;
}
.hub-fab::before {
    /* Gold leading chevron sits just inside the button's
       parallelogram leading edge. */
    content: '';
    display: inline-block;
    width: 8px;
    height: 12px;
    margin-right: 10px;
    vertical-align: -1px;
    background: currentColor;
    clip-path: polygon(0 0, 100% 50%, 0 100%);
    opacity: 0.55;
    transform: translateX(0);
    transition: transform 200ms var(--menu-ease-spring),
                opacity 180ms ease;
}
.hub-fab:hover {
    transform: translateY(-4px) scale(1.03);
    filter: brightness(1.08);
}
.hub-fab:hover::before {
    transform: translateX(3px);
    opacity: 1;
}
.hub-fab:active {
    transform: translateY(-1px) scale(0.98);
}
.hub-fab:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 2px var(--menu-bg),
        0 0 0 4px var(--menu-accent-gold),
        0 6px 24px var(--menu-accent-gold-glow);
}

/* HUD icon buttons (pause-menu-btn, mute-btn) — keep round
   but make them theme-responsive with a gold hover ring. */
.hub-fullscreen .hud__icon-btn {
    transition:
        border-color 180ms ease,
        color 180ms ease,
        background 180ms ease,
        box-shadow 180ms ease;
}
.hub-fullscreen .hud__icon-btn:hover {
    border-color: var(--menu-accent-gold,
        var(--ui-accent, var(--rq-accent)));
    color: var(--menu-accent-gold,
        var(--ui-accent, var(--rq-text, #d0d0e0)));
    background: var(--menu-bg-deep,
        rgba(5, 5, 14, 0.55));
    box-shadow: 0 0 16px var(--menu-accent-gold-glow,
        rgba(255, 215, 0, 0.25));
}
.hub-fullscreen .hud__icon-btn:focus-visible {
    outline: none;
    border-color: var(--menu-accent-gold);
    box-shadow: 0 0 0 2px var(--menu-accent-gold);
}


/* ── Mobile: preserve tap targets, relax skew ───── */
@media (max-width: 480px) {
    .menu-tile {
        min-height: 52px;
        padding: 14px 22px 14px 22px;
    }
    .theme-picker {
        grid-template-columns: 1fr;
    }
    .theme-picker__card {
        min-height: 96px;
    }
    .menu-cursor {
        /* Hide cursor on primarily-touch devices; touch doesn't
           benefit from keyboard-cursor tracking. */
        display: none;
    }
}