/* Riddle Up — Word Scramble Riddle (landing + play screens)
   Tap-to-select letter-tile game (see WordScrambleController,
   word-scramble.js). Uses the `--surface-*` dark-theme-safe tokens
   defined in ../site.css (loaded sitewide). Loaded on the landing +
   play pages via WordScrambleController (see \Assets::add). */

.wsc-hero { background: linear-gradient(120deg, rgba(var(--teal-rgb), .08), rgba(var(--indigo-rgb), .06)); }

.wsc-hero-subtitle { color: var(--body-color); opacity: .7; font-size: .95rem; max-width: 46rem; }

/* ---- Landing difficulty picker ---- */
.wsc-diff-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: .3rem;
    padding: 1.5rem 1.25rem;
    border-radius: 1.1rem;
    border: 1px solid var(--border-color);
    background: var(--surface-bg);
    color: var(--body-color);
    text-align: center;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

a.wsc-diff-card:hover { transform: translateY(-3px); box-shadow: var(--surface-hover-shadow); color: var(--body-color); }

.wsc-diff-label { font-weight: 700; font-size: 1.1rem; margin-bottom: .35rem; }

.wsc-diff-card--easy .wsc-diff-label { color: rgb(var(--success-rgb)); }
.wsc-diff-card--medium .wsc-diff-label { color: rgb(var(--warning-rgb)); }
.wsc-diff-card--hard .wsc-diff-label { color: rgb(var(--danger-rgb)); }
.wsc-diff-card--extreme .wsc-diff-label { color: var(--indigo); }

.wsc-diff-meta { font-size: .8125rem; opacity: .7; }
.wsc-diff-best { font-size: .8125rem; margin-top: .35rem; color: rgb(var(--warning-rgb)); font-weight: 600; }

.wsc-diff-cta { margin-top: .75rem; font-weight: 600; font-size: .875rem; color: var(--indigo); }

.wsc-diff-card--empty { opacity: .65; align-items: center; justify-content: center; }
.wsc-diff-badge { margin-top: .5rem; font-size: .8125rem; font-style: italic; opacity: .75; }

/* ---- Game shell ---- */
.wsc-app { max-width: 34rem; margin: 0 auto; padding: 1rem 0 3rem; position: relative; }
.wsc-screen { width: 100%; }

.wsc-back-link {
    display: inline-flex; align-items: center; gap: .4rem;
    font-weight: 600; font-size: .875rem; color: var(--body-color);
    text-decoration: none; margin-bottom: 1rem;
}
.wsc-back-link:hover { color: var(--indigo); }

/* ---- Start screen ---- */
.wsc-start-card {
    max-width: 27rem; margin: .5rem auto 0; padding: 2.25rem 1.75rem;
    border-radius: 1.25rem; border: 1px solid var(--border-color);
    background: var(--surface-bg); box-shadow: var(--surface-hover-shadow); text-align: center;
}

.wsc-start-icon { display: block; font-size: 2.25rem; margin-bottom: .25rem; }
.wsc-start-title { font-size: 1.4rem; font-weight: 800; letter-spacing: .02em; margin-bottom: .5rem; }
.wsc-start-tagline { opacity: .75; font-weight: 600; margin: .5rem 0 1rem; }

.wsc-start-meta {
    display: flex; flex-direction: column; gap: .5rem;
    padding: 1rem 1.25rem; border-radius: .9rem; background: var(--surface-muted-bg); margin-bottom: 1rem;
}
.wsc-start-meta-row { display: flex; align-items: center; justify-content: space-between; font-size: .9rem; }
.wsc-start-meta-row span { opacity: .65; }

.wsc-best { font-size: .875rem; opacity: .8; margin-bottom: 1rem; }

.wsc-start-btn { width: 100%; font-weight: 800; min-height: 2.9rem; letter-spacing: .02em; }

.wsc-leaderboard-link {
    display: inline-flex; align-items: center; gap: .35rem; background: none; border: none;
    margin-top: 1rem; padding: .3rem .5rem; min-height: 2.5rem; font-weight: 600; font-size: .8125rem; color: var(--indigo);
}

/* ---- Active game header ---- */
.wsc-header { margin-bottom: .5rem; }

.wsc-exit-btn {
    display: inline-flex; align-items: center; gap: .3rem; background: none; border: none;
    padding: .3rem .25rem; min-height: 2.5rem; font-weight: 600; font-size: .8125rem; color: var(--body-color); opacity: .75;
}

.wsc-header-title { font-weight: 800; font-size: .9rem; letter-spacing: .02em; opacity: .8; }

.wsc-header-trophy { background: none; border: none; min-height: 2.5rem; min-width: 2.5rem; color: rgb(var(--warning-rgb)); font-size: 1.1rem; }

.wsc-badge {
    display: inline-block; padding: .25rem .8rem; border-radius: 50rem;
    font-weight: 700; font-size: .7rem; letter-spacing: .05em;
}
.wsc-badge--easy { background: rgba(var(--success-rgb), .14); color: rgb(var(--success-rgb)); }
.wsc-badge--medium { background: rgba(var(--warning-rgb), .16); color: rgb(var(--warning-rgb)); }
.wsc-badge--hard { background: rgb(var(--danger-rgb)); color: var(--white); }
.wsc-badge--extreme { background: linear-gradient(135deg, rgb(var(--danger-rgb)), var(--indigo)); color: var(--white); }

.wsc-word-number { font-size: .8125rem; font-weight: 700; letter-spacing: .06em; opacity: .55; }

.wsc-stats-row { gap: .5rem; margin: .35rem 0 .75rem; }

.wsc-stat-pill {
    display: inline-flex; align-items: center; gap: .3rem; font-size: .8125rem; font-weight: 600;
    padding: .25rem .7rem; border-radius: 50rem; background: var(--surface-muted-bg);
}

.wsc-error {
    text-align: center; padding: .75rem 1rem; border-radius: .8rem;
    background: rgba(var(--danger-rgb), .1); border: 1px solid rgba(var(--danger-rgb), .3); margin-bottom: .75rem;
}
.wsc-error p { margin-bottom: .5rem; font-size: .875rem; }

/* ---- Clue card ---- */
.wsc-clue-card {
    background: var(--surface-bg); border: 1px solid var(--border-color); border-radius: 1.1rem;
    box-shadow: var(--surface-hover-shadow); padding: 1.1rem 1.25rem; margin-bottom: 1rem; text-align: center;
}
.wsc-clue-header {
    display: inline-flex; align-items: center; gap: .35rem; font-weight: 700; font-size: .75rem;
    letter-spacing: .06em; color: var(--indigo); margin-bottom: .4rem;
}
.wsc-clue-text { margin: 0; font-size: clamp(1.05rem, 1rem + .7vw, 1.3rem); font-weight: 700; line-height: 1.5; }

.wsc-section-label { text-align: center; font-size: .75rem; font-weight: 700; letter-spacing: .06em; opacity: .5; margin: .75rem 0 .5rem; }

/* ---- Letter tiles ---- */
.wsc-tiles-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; }

.wsc-tile {
    display: inline-flex; align-items: center; justify-content: center;
    width: 2.75rem; height: 2.75rem; flex-shrink: 0;
    border-radius: .7rem; border: 1px solid var(--border-color);
    background: var(--surface-bg); color: var(--body-color);
    font-size: 1.35rem; font-weight: 800; text-transform: uppercase;
    box-shadow: 0 .15rem .4rem rgba(0, 0, 0, .06);
    transition: transform .12s ease, opacity .15s ease, border-color .15s ease;
}

button.wsc-tile:hover:not(:disabled) { transform: translateY(-2px); border-color: rgba(var(--indigo-rgb), .5); }
button.wsc-tile:focus-visible { outline: .15rem solid var(--indigo); outline-offset: .1rem; }
button.wsc-tile:disabled { cursor: default; }

.wsc-tile--used { opacity: .25; pointer-events: none; }

.wsc-tile--filled { border-color: var(--indigo); background: rgba(var(--indigo-rgb), .1); color: var(--indigo); }

.wsc-tile--empty {
    background: var(--surface-muted-bg); border: 1px dashed var(--border-color);
    box-shadow: none;
}

@media (prefers-reduced-motion: no-preference) {
    .wsc-tiles-row--answer .wsc-tile--filled { animation: wsc-tile-in .15s ease both; }
}

@keyframes wsc-tile-in {
    from { opacity: 0; transform: scale(.8); }
    to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: no-preference) {
    .wsc-shake { animation: wsc-shake .4s ease; }
}

@keyframes wsc-shake {
    10%, 90% { transform: translateX(-2px); }
    20%, 80% { transform: translateX(4px); }
    30%, 50%, 70% { transform: translateX(-6px); }
    40%, 60% { transform: translateX(6px); }
}

.wsc-attempts-hint { text-align: center; font-size: .8125rem; opacity: .6; min-height: 1.1em; margin: .5rem 0 0; }

.wsc-wrong-banner {
    text-align: center; font-weight: 700; font-size: .875rem; color: rgb(var(--danger-rgb));
    background: rgba(var(--danger-rgb), .1); border-radius: 50rem; padding: .3rem 1rem;
    display: inline-block; margin: .4rem auto 0; width: fit-content;
}
.wsc-wrong-banner:not(.d-none) { display: block; margin-left: auto; margin-right: auto; }

.wsc-controls { margin-top: .85rem; }

.wsc-submit-btn { width: 100%; margin-top: .75rem; font-weight: 700; min-height: 2.9rem; }

.wsc-secondary-actions { gap: 1.5rem; margin-top: .85rem; }

.wsc-text-btn {
    background: none; border: none; padding: .4rem .25rem; min-height: 2.75rem;
    font-weight: 600; font-size: .875rem; color: var(--indigo);
    display: inline-flex; align-items: center; gap: .35rem;
}
.wsc-text-btn:disabled { opacity: .5; }
.wsc-text-btn--muted { color: var(--body-color); opacity: .6; }

.wsc-hint-panel {
    background: rgba(var(--warning-rgb), .1); border: 1px dashed rgba(var(--warning-rgb), .4);
    border-radius: .9rem; padding: .9rem 1.1rem; margin-top: .75rem; font-size: .9rem; text-align: center;
}

.wsc-reveal-confirm {
    background: var(--surface-muted-bg); border: 1px solid var(--border-color); border-radius: .9rem;
    padding: .9rem 1.1rem; margin-top: .75rem; text-align: center;
}
.wsc-reveal-confirm p { margin-bottom: .6rem; font-size: .8125rem; }

/* ---- Result overlay ---- */
.wsc-result {
    position: fixed; inset: 0; z-index: 1050; display: flex; align-items: center; justify-content: center;
    padding: 1.25rem; background: rgba(0, 0, 0, .45); cursor: pointer;
}

.wsc-result-inner {
    width: 100%; max-width: 22rem; max-height: 85vh; overflow-y: auto;
    background: var(--surface-bg); border-radius: 1.25rem; padding: 1.75rem 1.5rem;
    text-align: center; box-shadow: 0 1rem 3rem rgba(0, 0, 0, .25);
}

@media (prefers-reduced-motion: no-preference) {
    .wsc-result-inner { animation: wsc-pop-in .2s ease both; }
}

@keyframes wsc-pop-in {
    from { opacity: 0; transform: scale(.92); }
    to { opacity: 1; transform: scale(1); }
}

.wsc-result-icon { font-size: 2.5rem; line-height: 1; margin-bottom: .5rem; }
.wsc-result-title { font-size: 1.3rem; font-weight: 800; letter-spacing: .02em; margin-bottom: .35rem; }

.wsc-result--correct .wsc-result-title { color: rgb(var(--success-rgb)); }
.wsc-result--revealed .wsc-result-title { color: rgb(var(--warning-rgb)); }

.wsc-result-answer { font-size: 1.4rem; font-weight: 800; letter-spacing: .08em; margin-bottom: .5rem; }

.wsc-breakdown { margin-bottom: .5rem; }
.wsc-breakdown span[data-el="bd-total"] { display: block; font-weight: 800; font-size: 1.15rem; color: var(--indigo); }
.wsc-breakdown-detail { display: block; font-size: .75rem; opacity: .65; margin-top: .1rem; }

.wsc-result-streak,
.wsc-result-milestone {
    display: inline-block; font-weight: 700; font-size: .8125rem; padding: .25rem .75rem;
    border-radius: 50rem; background: var(--surface-muted-bg); margin: .2rem .15rem 0;
}
.wsc-result-milestone { color: rgb(var(--warning-rgb)); background: rgba(var(--warning-rgb), .14); }

.wsc-explanation {
    text-align: left; background: var(--surface-muted-bg); border-radius: .8rem;
    padding: .8rem 1rem; margin-top: .75rem; font-size: .8125rem; opacity: .9;
}

/* ---- Results screen ---- */
.wsc-score-card {
    max-width: 28rem; margin: 1rem auto 0; padding: 2.25rem 1.75rem; border-radius: 1.25rem;
    border: 1px solid var(--border-color); background: var(--surface-bg); box-shadow: var(--surface-hover-shadow); text-align: center;
}
.wsc-score-icon { font-size: 2.25rem; display: block; margin-bottom: .5rem; }
.wsc-score-title { font-size: 1.35rem; font-weight: 800; margin-bottom: .5rem; }
.wsc-best-banner { font-weight: 700; color: rgb(var(--warning-rgb)); margin-bottom: .5rem; }
.wsc-score-points { font-size: 2rem; font-weight: 800; color: var(--indigo); margin-bottom: .1rem; }
.wsc-score-sub { opacity: .75; margin-bottom: 1.25rem; }

.wsc-stats { margin-bottom: .5rem; }
.wsc-stat { display: flex; flex-direction: column; align-items: center; padding: .9rem .5rem; border-radius: .9rem; background: var(--surface-muted-bg); }
.wsc-stat-value { font-size: 1.15rem; font-weight: 700; }
.wsc-stat-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; opacity: .6; text-align: center; }

.wsc-all-games-link { display: inline-block; margin-top: 1rem; font-size: .8125rem; font-weight: 600; color: var(--body-color); opacity: .65; }

/* ---- Leaderboard panel ---- */
.wsc-leaderboard-overlay {
    position: fixed; inset: 0; z-index: 1060; display: flex; align-items: center; justify-content: center;
    padding: 1rem; background: rgba(0, 0, 0, .5);
}

.wsc-leaderboard-card {
    width: 100%; max-width: 27rem; max-height: 85vh; overflow-y: auto;
    background: var(--surface-bg); border-radius: 1.1rem; padding: 1.25rem; box-shadow: 0 1rem 3rem rgba(0, 0, 0, .3);
}

.wsc-leaderboard-title { display: flex; align-items: center; gap: .4rem; font-size: 1.05rem; font-weight: 800; color: rgb(var(--warning-rgb)); margin: 0; }

.wsc-close-btn { background: none; border: none; min-height: 2.5rem; min-width: 2.5rem; color: var(--body-color); opacity: .6; }

.wsc-lb-tabs { display: flex; gap: .35rem; overflow-x: auto; margin-bottom: .75rem; padding-bottom: .25rem; }

.wsc-lb-tab {
    flex-shrink: 0; background: var(--surface-muted-bg); border: none; border-radius: 50rem;
    padding: .4rem 1rem; font-size: .8125rem; font-weight: 600; color: var(--body-color); opacity: .7;
}
.wsc-lb-tab--active { background: var(--indigo); color: var(--white); opacity: 1; }

.wsc-lb-table { display: flex; flex-direction: column; }

.wsc-lb-row {
    display: grid; grid-template-columns: 2.5rem 1fr auto auto; align-items: center; gap: .5rem;
    padding: .55rem .25rem; border-bottom: 1px solid var(--surface-divider); font-size: .8125rem;
}
.wsc-lb-row:last-child { border-bottom: none; }
.wsc-lb-row--you { background: rgba(var(--indigo-rgb), .08); border-radius: .6rem; font-weight: 700; }

.wsc-lb-rank { opacity: .6; font-weight: 700; }
.wsc-lb-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wsc-lb-score { font-weight: 700; color: var(--indigo); white-space: nowrap; }
.wsc-lb-words { opacity: .6; font-size: .75rem; white-space: nowrap; }

.wsc-lb-sep { text-align: center; opacity: .4; padding: .25rem 0; }

.wsc-lb-empty,
.wsc-lb-loading { text-align: center; opacity: .65; font-size: .875rem; padding: 1.5rem 0; }

@media (min-width: 576px) {
    .wsc-app { padding-top: 1.5rem; }
    .wsc-tile { width: 3.1rem; height: 3.1rem; font-size: 1.5rem; }
}