/* Memory Match and Triple Match — /practice/matching, /practice/triple-match.
   The My Words Quest look (night-sky hero, teal/violet card backs) for the stand-alone games.
   Effects are chrome only: pointer-events none, clipped by the stage, off under reduced motion. */

:root {
    --mm-ink: #102a2c;
    --mm-teal: #0f766e;
    --mm-violet: #6d28d9;
    --mm-gold: #c9922e;
    --mm-surface: #ffffff;
    --mm-paper: #f4f8f8;
    --mm-line: #d4e0e0;
    --mm-muted: #5b6b6c;
}
[data-bs-theme="dark"] {
    --mm-ink: #e3f1f0;
    --mm-surface: #172526;
    --mm-paper: #101b1c;
    --mm-line: #2b3d3e;
    --mm-muted: #9fb3b3;
}

.mm-hero {
    position: relative; overflow: hidden;
    background: radial-gradient(circle at 85% 20%, rgba(243, 210, 122, 0.22), transparent 40%),
        linear-gradient(135deg, #0b1b3f 0%, #13306b 55%, #1f4fbf 100%);
}
.mm-hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px); background-size: 18px 18px;
}
.mm-hero > * { position: relative; z-index: 1; }
.mm-eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #f3d27a; }

.mm-card { overflow: hidden; }
.mm-topbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.mm-picker { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem; flex: 1 1 22rem; max-width: 30rem; }
.mm-pick-btn {
    display: flex; flex-direction: column; align-items: center; min-width: 0; min-height: 44px; padding: .3rem .2rem;
    border: 2px solid var(--mm-line); border-radius: .7rem; background: var(--mm-surface); color: var(--mm-ink); line-height: 1.15;
}
.mm-pick-btn.is-on { border-color: var(--mm-teal); background: var(--mm-teal); color: #fff; }
.mm-pick-btn:disabled { opacity: .6; }
.mm-pick-label { font-weight: 800; font-size: .78rem; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 400px) { .mm-pick-label { font-size: .85rem; } }
.mm-pick-mult { font-size: .7rem; opacity: .85; }
.mm-switches { display: flex; gap: .35rem; }
.mm-switch { min-width: 44px; min-height: 44px; border: 2px solid var(--mm-line); background: var(--mm-surface); color: var(--mm-teal); }
.mm-switch.is-off { color: var(--mm-muted); }
.mm-modes { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .5rem; }
.mm-mode-btn { min-height: 44px; border: 2px solid var(--mm-line); background: var(--mm-surface); color: var(--mm-ink); font-weight: 700; border-radius: 2rem; padding: .25rem .9rem; }
.mm-mode-btn.is-on { border-color: var(--mm-violet); background: var(--mm-violet); color: #fff; }

.mm-stage {
    position: relative; overflow: hidden; border-radius: 1rem; padding: .9rem; min-height: 18rem;
    background: var(--mm-paper); border: 1px solid var(--mm-line); scroll-margin-top: .5rem;
}
.mm-intro { text-align: center; padding: 1rem .5rem; }
.mm-intro-cards { display: flex; justify-content: center; gap: .4rem; margin-bottom: .8rem; }
.mm-intro-card {
    width: 3.2rem; height: 4rem; border-radius: .55rem; display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--mm-teal), var(--mm-violet)); color: #fff; font-weight: 800; font-size: .8rem;
    animation: mm-bob 2.4s ease-in-out infinite;
}
.mm-intro-card:nth-child(2) { animation-delay: .2s; } .mm-intro-card:nth-child(3) { animation-delay: .4s; } .mm-intro-card:nth-child(4) { animation-delay: .6s; }
.mm-intro-card.is-up { background: var(--mm-surface); color: var(--mm-ink); border: 2px solid var(--mm-teal); }
.mm-start-btn { background: linear-gradient(135deg, #f59e0b, #ea580c); color: #fff; font-weight: 800; border: 0; border-radius: 2rem; padding: .55rem 1.6rem; min-height: 44px; box-shadow: 0 4px 0 #9a3412; }
.mm-start-btn:hover, .mm-start-btn:focus-visible { color: #fff; filter: brightness(1.06); }
.mm-start-btn:active { transform: translateY(2px); box-shadow: 0 2px 0 #9a3412; }

.mm-hud { display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; }
.mm-hud-stage { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.mm-hud-name { font-weight: 800; color: var(--mm-ink); }
.mm-hearts { color: #be185d; font-weight: 800; letter-spacing: .05em; }
.mm-hearts.is-low { color: #b91c1c; }
.mm-hud-item { display: flex; flex-direction: column; align-items: center; font-weight: 800; color: var(--mm-ink); min-width: 3.4rem; }
.mm-hud-item small { font-size: .66rem; font-weight: 600; color: var(--mm-muted); text-transform: uppercase; }
.mm-combo { display: inline-block; }
.mm-combo-2 { color: #0f766e; } .mm-combo-3 { color: #2563eb; } .mm-combo-4 { color: #7c3aed; } .mm-combo-5 { color: #db2777; }
.mm-progress { height: .4rem; border-radius: 1rem; background: var(--mm-line); overflow: hidden; margin-bottom: .5rem; }
.mm-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--mm-teal), var(--mm-violet)); transition: width .3s ease; }
.mm-prompt { font-weight: 700; color: var(--mm-ink); margin-bottom: .5rem; }
.mm-feedback { min-height: 2.6rem; margin: .6rem 0 .2rem; color: var(--mm-ink); }
.mm-example { color: var(--mm-muted); }
.mm-look { font-weight: 700; color: var(--mm-violet); }
.mm-chest { font-weight: 700; color: #92400e; }
[data-bs-theme="dark"] .mm-chest { color: #fcd34d; }
.mm-actions { display: flex; justify-content: flex-end; }

/* The board */
.mm-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; position: relative; }
@media (min-width: 576px) { .mm-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 768px) { .mm-grid-triple { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 992px) { .mm-grid-triple.mm-size-12, .mm-grid-triple.mm-size-15, .mm-grid-triple.mm-size-18 { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

.mm-tile {
    position: relative; min-height: 6rem; padding: .4rem; border-radius: .75rem; border: 2px solid var(--mm-teal);
    background: linear-gradient(135deg, #0f766e, #6d28d9); color: var(--mm-ink);
    -webkit-tap-highlight-color: transparent; touch-action: manipulation; transition: transform .15s ease;
}
.mm-grid-pictures .mm-tile { min-height: 7rem; }
.mm-tile:focus-visible { outline: 3px solid #f59e0b; outline-offset: 2px; }
.mm-tile-back { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, .75); font-size: 1.5rem; pointer-events: none; }
.mm-tile-face { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .2rem; height: 100%; visibility: hidden; }
.mm-tile.is-up, .mm-tile.is-peek, .mm-tile.is-matched { background: var(--mm-surface); }
.mm-tile.is-up .mm-tile-back, .mm-tile.is-peek .mm-tile-back, .mm-tile.is-matched .mm-tile-back { visibility: hidden; }
.mm-tile.is-up .mm-tile-face, .mm-tile.is-peek .mm-tile-face, .mm-tile.is-matched .mm-tile-face { visibility: visible; }
.mm-tile.is-up { animation: mm-flip .25s ease; }
.mm-tile.is-peek { border-color: var(--mm-violet); }
.mm-tile.is-matched { border-color: #16a34a; background: #dcfce7; color: #14532d; opacity: 1; animation: mm-pop .4s ease; }
[data-bs-theme="dark"] .mm-tile.is-matched { background: #14532d; color: #dcfce7; }
.mm-tile.is-wrong { border-color: #dc2626; background: #fee2e2; }
[data-bs-theme="dark"] .mm-tile.is-wrong { background: #4c1d1d; }
.mm-tile.is-reveal:not(.is-matched) { opacity: .75; border-style: dashed; }
.mm-tile:active:not(:disabled) { transform: scale(.97); }
.mm-word { font-size: 1.1rem; font-weight: 800; line-height: 1.15; overflow-wrap: anywhere; hyphens: manual; }
.mm-word.is-long { font-size: .9rem; }
.mm-word.is-xlong { font-size: .74rem; }
@media (min-width: 576px) { .mm-word.is-long { font-size: 1rem; } .mm-word.is-xlong { font-size: .85rem; } }
.mm-meaning { font-size: .82rem; line-height: 1.2; overflow-wrap: anywhere; }
.mm-pic { width: 4.5rem; height: 4.5rem; object-fit: contain; }
.mm-audio-icon { font-size: 1.5rem; color: var(--mm-teal); }
.mm-audio-label { font-size: .75rem; font-weight: 700; color: var(--mm-muted); }
.mm-cap { display: none; font-size: .75rem; font-weight: 800; }
.mm-tile.is-matched .mm-cap, .mm-tile.is-reveal .mm-cap { display: block; }
.mm-tile.is-matched .mm-audio-label { display: none; }
.mm-grid.is-previewing::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -.35rem; height: .2rem; border-radius: 1rem;
    background: var(--mm-violet); transform-origin: left; animation: mm-drain var(--mm-preview, 2s) linear forwards;
}

/* Result */
.mm-result { text-align: center; padding: 1rem .5rem; }
.mm-trophy { font-size: 2.6rem; color: var(--mm-gold); animation: mm-land .6s ease; }
.mm-result-score { font-size: 2rem; font-weight: 900; color: var(--mm-ink); margin: 0 0 .4rem; }
.mm-result-score small { font-size: .9rem; font-weight: 600; color: var(--mm-muted); }
.mm-new-best { font-weight: 800; color: #b45309; }
[data-bs-theme="dark"] .mm-new-best { color: #fcd34d; }
.mm-missed { text-align: left; max-width: 34rem; margin: .8rem auto 0; background: var(--mm-surface); border: 1px solid var(--mm-line); border-radius: .75rem; padding: .7rem .9rem; }
.mm-missed:empty { display: none; }
.mm-missed li { padding: .2rem 0; }
.mm-say { min-width: 36px; min-height: 36px; border: 1px solid var(--mm-line); border-radius: 50%; color: var(--mm-teal); }

/* Effects */
.mm-float { position: absolute; transform: translate(-50%, -50%); font-weight: 900; color: #0f766e; pointer-events: none; z-index: 5; animation: mm-float-up 1s ease-out forwards; }
.mm-particle { position: absolute; width: .45rem; height: .45rem; border-radius: 50%; pointer-events: none; z-index: 5; animation: mm-burst .8s ease-out forwards; }
.mm-banner {
    position: absolute; left: 50%; top: 40%; transform: translate(-50%, -50%); z-index: 6; pointer-events: none;
    padding: .5rem 1.1rem; border-radius: 2rem; font-weight: 900; font-size: 1.15rem; color: #fff; white-space: nowrap;
    background: linear-gradient(135deg, var(--mm-teal), var(--mm-violet)); box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
    animation: mm-banner 1.5s ease forwards;
}
.mm-banner.is-chest { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.mm-shake { animation: mm-shake .35s ease; }
.mm-bump { animation: mm-pop .4s ease; }
.mm-deal { animation: mm-deal .35s ease backwards; }

@keyframes mm-flip { from { transform: rotateY(90deg); } to { transform: rotateY(0); } }
@keyframes mm-pop { 0% { transform: scale(1); } 45% { transform: scale(1.06); } 100% { transform: scale(1); } }
@keyframes mm-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes mm-deal { from { opacity: 0; transform: translateY(10px) scale(.92); } to { opacity: 1; transform: none; } }
@keyframes mm-float-up { from { opacity: 1; margin-top: 0; } to { opacity: 0; margin-top: -2.4rem; } }
@keyframes mm-burst { from { opacity: 1; transform: translate(0, 0); } to { opacity: 0; transform: translate(var(--dx), var(--dy)); } }
@keyframes mm-banner { 0% { opacity: 0; transform: translate(-50%, -50%) scale(.6); } 15% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); } 25% { transform: translate(-50%, -50%) scale(1); } 80% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -70%); } }
@keyframes mm-drain { from { transform: scaleX(1); } to { transform: scaleX(0); } }
@keyframes mm-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes mm-land { from { opacity: 0; transform: translateY(-25px) scale(.6); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
    .mm-tile, .mm-intro-card, .mm-trophy, .mm-grid.is-previewing::after, .mm-shake, .mm-bump, .mm-deal, .mm-banner { animation: none !important; transition: none !important; }
    .mm-tile:active:not(:disabled), .mm-start-btn:active { transform: none; }
}