/* Riddle Up — Riddle Survival
   Multiple-choice, no-timer, 3-lives game (see RiddleSurvivalController,
   riddle-survival.js). The life indicator is the dominant status
   element throughout. Uses the `--surface-*` dark-theme-safe tokens
   defined in ../site.css (loaded sitewide). Loaded only on this page via
   RiddleSurvivalController (see \Assets::add). */

.rsv-app {
    max-width: 32rem;
    margin: 0 auto;
    padding: .75rem 0 2rem;
    position: relative;
}

.rsv-screen { width: 100%; }

/* ---- Start screen ---- */
.rsv-start-card {
    max-width: 26rem;
    margin: .5rem auto 0;
    padding: 2rem 1.5rem;
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    background: var(--surface-bg);
    box-shadow: var(--surface-hover-shadow);
}

.rsv-start-icon { display: block; font-size: 2.5rem; margin-bottom: .5rem; }

.rsv-start-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: .02em;
    margin-bottom: .25rem;
}

.rsv-start-tagline { opacity: .75; font-weight: 600; margin-bottom: 1rem; }

.rsv-start-hearts { font-size: 1.5rem; letter-spacing: .25rem; margin-bottom: .5rem; }

.rsv-start-desc { font-size: .875rem; opacity: .8; margin-bottom: 1rem; }

.rsv-best-row {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    margin: 1rem 0;
    font-size: .875rem;
}

.rsv-start-btn {
    width: 100%;
    margin-top: .5rem;
    font-weight: 800;
    min-height: 3rem;
    letter-spacing: .02em;
}

.rsv-unavailable { margin-top: 1.25rem; font-size: .875rem; opacity: .7; }

.rsv-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);
}

.rsv-howto {
    margin-top: 1rem;
    text-align: left;
    font-size: .8125rem;
}

.rsv-howto summary {
    cursor: pointer;
    font-weight: 600;
    text-align: center;
    color: var(--indigo);
    list-style: none;
}

.rsv-howto summary::-webkit-details-marker { display: none; }

.rsv-howto ul {
    margin: .75rem 0 0;
    padding-left: 1.1rem;
    opacity: .8;
    line-height: 1.7;
}

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

.rsv-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;
}

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

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

.rsv-hearts-row {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
    letter-spacing: .3rem;
    line-height: 1;
    margin: .25rem 0 .15rem;
}

@media (prefers-reduced-motion: no-preference) {
    .rsv-hearts-row { transition: transform .15s ease; }
}

.rsv-lives-text {
    font-size: .8125rem;
    font-weight: 700;
    opacity: .6;
    letter-spacing: .04em;
    margin-bottom: .35rem;
}

.rsv-last-life {
    text-align: center;
    font-weight: 700;
    font-size: .8125rem;
    color: rgb(var(--danger-rgb));
    background: rgba(var(--danger-rgb), .12);
    padding: .35rem .9rem;
    border-radius: 50rem;
    display: inline-block;
    margin: 0 auto .5rem;
}

.rsv-last-life:not(.d-none) { display: block; width: fit-content; margin-left: auto; margin-right: auto; }

.rsv-riddle-number {
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .06em;
    opacity: .55;
    margin: .35rem 0;
}

.rsv-badge {
    display: inline-block;
    padding: .25rem .8rem;
    border-radius: 50rem;
    font-weight: 700;
    font-size: .7rem;
    letter-spacing: .05em;
}

.rsv-badge--easy { background: rgba(var(--success-rgb), .14); color: rgb(var(--success-rgb)); }
.rsv-badge--medium { background: rgba(var(--warning-rgb), .16); color: rgb(var(--warning-rgb)); }
.rsv-badge--hard { background: rgb(var(--danger-rgb)); color: var(--white); }
.rsv-badge--expert { background: linear-gradient(135deg, rgb(var(--danger-rgb)), var(--indigo)); color: var(--white); }

.rsv-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;
}

.rsv-error p { margin-bottom: .5rem; font-size: .875rem; }

.rsv-riddle-card {
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
    border-radius: 1.1rem;
    box-shadow: var(--surface-hover-shadow);
    padding: 1.25rem;
    margin-bottom: .75rem;
    text-align: center;
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rsv-riddle-text {
    margin: 0;
    font-size: clamp(1.05rem, 1rem + .7vw, 1.3rem);
    font-weight: 700;
    line-height: 1.45;
    white-space: pre-line;
}

/* ---- Answer options ---- */
.rsv-options {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    margin-bottom: .75rem;
}

.rsv-option {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: 100%;
    min-height: 3rem;
    padding: .8rem 1rem;
    border-radius: .9rem;
    border: 1px solid var(--border-color);
    background: var(--surface-bg);
    color: var(--body-color);
    text-align: left;
    transition: border-color .15s ease, background-color .15s ease, transform .15s ease;
}

.rsv-option:hover:not(:disabled) {
    border-color: rgba(var(--indigo-rgb), .4);
    transform: translateY(-1px);
}

.rsv-option:focus-visible {
    outline: .15rem solid var(--indigo);
    outline-offset: .1rem;
}

.rsv-option:disabled { cursor: default; }

.rsv-option-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.9rem;
    height: 1.9rem;
    flex-shrink: 0;
    border-radius: .55rem;
    background: rgba(var(--indigo-rgb), .12);
    color: var(--indigo);
    font-weight: 700;
    font-size: .8125rem;
}

.rsv-option-text { flex: 1; font-size: .925rem; }
.rsv-option-icon { font-size: 1.1rem; flex-shrink: 0; }

.rsv-option--selected { border-color: var(--indigo); }

.rsv-option--correct {
    border-color: rgb(var(--success-rgb));
    background: rgba(var(--success-rgb), .1);
}

.rsv-option--correct .rsv-option-badge { background: rgb(var(--success-rgb)); color: var(--white); }
.rsv-option--correct .rsv-option-icon { color: rgb(var(--success-rgb)); }

.rsv-option--wrong {
    border-color: rgb(var(--danger-rgb));
    background: rgba(var(--danger-rgb), .08);
}

.rsv-option--wrong .rsv-option-badge { background: rgb(var(--danger-rgb)); color: var(--white); }
.rsv-option--wrong .rsv-option-icon { color: rgb(var(--danger-rgb)); }

/* ---- Hint ---- */
.rsv-hint-btn {
    background: none;
    border: none;
    padding: .3rem .5rem;
    min-height: 2.5rem;
    font-weight: 600;
    font-size: .8125rem;
    color: var(--indigo);
    display: inline-flex;
    align-items: center;
    gap: .3rem;
}

.rsv-hint-btn:disabled { opacity: .5; }

.rsv-hint-panel {
    background: rgba(var(--warning-rgb), .1);
    border: 1px dashed rgba(var(--warning-rgb), .4);
    border-radius: .8rem;
    padding: .7rem 1rem;
    margin-top: .5rem;
    font-size: .875rem;
    text-align: center;
}

/* ---- Result overlay ---- */
.rsv-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;
}

.rsv-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) {
    .rsv-result-inner { animation: rsv-pop-in .2s ease both; }
}

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

.rsv-result-icon { font-size: 2.5rem; line-height: 1; margin-bottom: .5rem; }

.rsv-result-title {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: .02em;
    margin-bottom: .5rem;
}

.rsv-result--correct .rsv-result-title { color: rgb(var(--success-rgb)); }
.rsv-result--wrong .rsv-result-title { color: rgb(var(--danger-rgb)); }

.rsv-result-answer { font-size: .9rem; font-weight: 600; margin-bottom: .5rem; }

.rsv-breakdown { margin-bottom: .5rem; }

.rsv-breakdown span[data-el="bd-total"] {
    display: block;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--indigo);
}

.rsv-breakdown-detail { display: block; font-size: .75rem; opacity: .65; margin-top: .1rem; }

.rsv-result-hearts { font-size: 1.5rem; letter-spacing: .25rem; margin: .5rem 0; }

.rsv-result-last-life,
.rsv-result-milestone,
.rsv-result-level {
    display: inline-block;
    font-weight: 700;
    font-size: .8125rem;
    padding: .25rem .75rem;
    border-radius: 50rem;
    background: var(--surface-muted-bg);
    margin: .2rem .15rem 0;
}

.rsv-result-last-life { color: rgb(var(--danger-rgb)); background: rgba(var(--danger-rgb), .14); }
.rsv-result-milestone { color: rgb(var(--warning-rgb)); background: rgba(var(--warning-rgb), .14); }

.rsv-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 ---- */
.rsv-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);
}

.rsv-score-icon { font-size: 2.25rem; display: block; margin-bottom: .5rem; }

.rsv-score-title { font-size: 1.35rem; font-weight: 800; margin-bottom: .25rem; }

.rsv-final-number {
    font-size: clamp(2.25rem, 9vw, 3rem);
    font-weight: 800;
    line-height: 1;
    color: var(--indigo);
}

.rsv-final-label {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    opacity: .55;
    margin-bottom: .75rem;
}

.rsv-best-banner { font-weight: 700; color: rgb(var(--warning-rgb)); margin-bottom: .5rem; }
.rsv-best-line { font-size: .875rem; opacity: .75; margin-top: .5rem; }

.rsv-stats { margin-top: .5rem; margin-bottom: .5rem; }

.rsv-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: .9rem .5rem;
    border-radius: .9rem;
    background: var(--surface-muted-bg);
}

.rsv-stat-value { font-size: 1.15rem; font-weight: 700; }

.rsv-stat-label {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    opacity: .6;
    text-align: center;
}

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

/* ---- Leaderboard panel ---- */
.rsv-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);
}

.rsv-leaderboard-card {
    width: 100%;
    max-width: 26rem;
    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);
}

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

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

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

.rsv-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;
}

.rsv-lb-tab--active { background: var(--indigo); color: var(--white); opacity: 1; }

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

.rsv-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;
}

.rsv-lb-row:last-child { border-bottom: none; }

.rsv-lb-row--you {
    background: rgba(var(--indigo-rgb), .08);
    border-radius: .6rem;
    font-weight: 700;
}

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

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

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

@media (min-width: 576px) {
    .rsv-app { padding-top: 1.25rem; }
    .rsv-riddle-card { padding: 1.5rem; }
}