/* =========================================================
   KEOTEACH · KEO GAME
   Usa las variables de style.css (oscuro y claro). Se enlaza después de style.css y keo-brain.css.
========================================================= */

:root {
    --tier-basic: #4e9fff;
    --tier-easy: #42d392;
    --tier-medium: #f7c95d;
    --tier-hard: #ff9d5c;
    --tier-advanced: #ff6b83;
    --tier-expert: #a46bff;
    --tier-boss: #ffd34e;
}

html[data-theme="light"] {
    --tier-medium: #9a6a00;
    --tier-boss: #a87500;
    --tier-expert: #7a3fe0;
}

.world-matematicas { --wc: #7667ff; }
.world-fisica { --wc: #43d9ff; }
.world-quimica { --wc: #42d392; }
.world-informatica { --wc: #4e9fff; }
.world-programacion { --wc: #f26bd8; }
.world-redes { --wc: #ff9d5c; }
.world-historia { --wc: #f7c95d; }
.world-ingles { --wc: #ff6b83; }
.world-lengua { --wc: #a196ff; }
.world-geografia { --wc: #38c6a1; }

.world-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    border-radius: 14px;
    background: color-mix(in srgb, var(--wc, var(--primary)) 18%, transparent);
    color: var(--wc, var(--primary-2));
    font-size: 20px;
}

.world-stars {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-soft);
    font-size: 12.5px;
    font-weight: 700;
}

.world-stars i {
    color: var(--yellow);
}

/* ---------- Mundos ---------- */

.game-worlds {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
}

.world-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background:
        radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--wc, var(--primary)) 14%, transparent), transparent 55%),
        linear-gradient(145deg, var(--surface), var(--surface-2));
    color: var(--text);
    text-align: left;
    transition: transform var(--transition), border-color var(--transition);
}

.world-card:hover {
    transform: translateY(-3px);
    border-color: var(--wc, var(--border-strong));
}

.world-card strong {
    font-family: var(--font-display);
    font-size: 17px;
}

.world-card small {
    color: var(--text-muted);
}

.world-card .progress-bar {
    width: 100%;
}

.world-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    width: 100%;
}

/* ---------- Tarjeta de Inicio ---------- */

.game-home {
    margin-top: 14px;
}

.game-home-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    border-color: color-mix(in srgb, var(--wc, var(--primary)) 40%, var(--border));
}

.game-home-text {
    flex: 1 1 220px;
    min-width: 0;
}

.game-home-text h3 {
    margin: 2px 0 4px;
    font-family: var(--font-display);
    font-size: 18px;
    overflow-wrap: anywhere;
}

.game-home-text p {
    margin: 0;
    color: var(--text-muted);
}

/* ---------- Estrellas y dificultad ---------- */

.game-stars {
    display: inline-flex;
    gap: 3px;
}

.game-stars .on {
    color: var(--yellow);
}

.game-stars .off {
    color: var(--surface-3);
}

html[data-theme="light"] .game-stars .off {
    color: var(--border-strong);
}

.tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 9px;
    border: 1px solid currentColor;
    border-radius: 100px;
    font-size: 11.5px;
    font-weight: 800;
    white-space: nowrap;
}

.tier-badge.tier-basic { color: var(--tier-basic); }
.tier-badge.tier-easy { color: var(--tier-easy); }
.tier-badge.tier-medium { color: var(--tier-medium); }
.tier-badge.tier-hard { color: var(--tier-hard); }
.tier-badge.tier-advanced { color: var(--tier-advanced); }
.tier-badge.tier-expert { color: var(--tier-expert); }
.tier-badge.tier-boss { color: var(--tier-boss); }

/* ---------- Mapa de niveles ---------- */

.game-map-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.game-map-head h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(22px, 3vw, 30px);
}

.level-path {
    position: relative;
    margin: 0 auto 26px;
    padding: 0;
    list-style: none;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.level-path::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 3px dotted var(--border-strong);
    transform: translateX(-50%);
    z-index: 0;
}

.topic-sep {
    position: relative;
    z-index: 1;
    margin: 6px 0 0;
}

.topic-sep span {
    display: inline-block;
    padding: 4px 14px;
    border: 1px solid var(--wc, var(--primary));
    border-radius: 100px;
    background: var(--bg);
    color: var(--wc, var(--primary-2));
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
}

.level-node {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transform: translateX(calc(var(--shift, 0) * 38px));
}

.level-node > button {
    position: relative;
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    border: 3px solid var(--tier-color, var(--tier-basic));
    border-radius: 50%;
    background: var(--surface);
    color: var(--text);
    transition: transform var(--transition), box-shadow var(--transition);
}

.level-node.is-boss > button {
    width: 82px;
    height: 82px;
    border-radius: 24px;
    border-width: 4px;
    background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--tier-boss) 14%, var(--surface)));
}

.level-node.tier-basic { --tier-color: var(--tier-basic); }
.level-node.tier-easy { --tier-color: var(--tier-easy); }
.level-node.tier-medium { --tier-color: var(--tier-medium); }
.level-node.tier-hard { --tier-color: var(--tier-hard); }
.level-node.tier-advanced { --tier-color: var(--tier-advanced); }
.level-node.tier-expert { --tier-color: var(--tier-expert); }
.level-node.tier-boss { --tier-color: var(--tier-boss); }

.level-node > button:hover:not(:disabled) {
    transform: scale(1.08);
}

.node-disc {
    font-size: 18px;
}

.node-number {
    position: absolute;
    right: -6px;
    top: -6px;
    min-width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    padding: 0 5px;
    border-radius: 100px;
    background: var(--tier-color, var(--tier-basic));
    color: #101827;
    font-size: 12px;
    font-weight: 800;
}

.level-node.state-open > button {
    box-shadow: 0 0 0 0 var(--tier-color);
    animation: nodePulse 1.8s ease-out infinite;
}

.level-node.state-done > button .node-disc {
    color: var(--green);
}

.level-node.state-locked > button,
.level-node.state-pro > button {
    border-color: var(--border-strong);
    color: var(--text-muted);
    opacity: .75;
}

.level-node.state-pro > button {
    opacity: 1;
    cursor: pointer;
}

.level-node.state-pro > button .node-disc {
    color: var(--yellow);
}

.node-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

@keyframes nodePulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--tier-color) 55%, transparent); }
    70% { box-shadow: 0 0 0 14px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

.arcade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.arcade-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    color: var(--text);
    text-align: left;
    transition: transform var(--transition), border-color var(--transition);
}

.arcade-card:hover {
    transform: translateY(-2px);
    border-color: var(--wc, var(--border-strong));
}

.arcade-card small {
    color: var(--text-muted);
}

/* ---------- Partida ---------- */

.game-preparing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 40px 20px;
    text-align: center;
}

.play-top {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.play-progress {
    display: grid;
    gap: 5px;
}

.play-progress strong {
    font-family: var(--font-display);
    font-size: 14px;
}

.play-progress span {
    color: var(--text-muted);
    font-size: 12px;
}

.play-hud {
    display: flex;
    gap: 12px;
    font-size: 13px;
    font-weight: 700;
}

.play-hud i {
    margin-right: 5px;
}

.hud-lives i { color: var(--red); }
.hud-time i { color: var(--cyan); }

.question-card {
    max-width: 780px;
    margin: 0 auto;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--surface), var(--surface-2));
    box-shadow: var(--shadow);
    outline: none;
}

.question-card.is-boss {
    border-color: color-mix(in srgb, var(--tier-boss) 55%, var(--border));
}

.q-prompt {
    margin: 0 0 16px;
    font-family: var(--font-display);
    font-size: clamp(17px, 2.2vw, 21px);
    line-height: 1.5;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.q-options {
    display: grid;
    gap: 10px;
}

.q-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 14px;
    background: var(--surface-2);
    color: var(--text);
    text-align: left;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.q-option:hover:not(:disabled) {
    border-color: var(--primary);
    transform: translateX(3px);
}

.q-option:disabled {
    opacity: 1;
    cursor: default;
}

.q-key {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    border-radius: 8px;
    background: var(--surface-3);
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 800;
}

.q-text {
    flex: 1;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.q-mark {
    font-size: 18px;
}

.q-option.is-right {
    border-color: var(--green);
    background: color-mix(in srgb, var(--green) 14%, var(--surface-2));
}

.q-option.is-right .q-mark { color: var(--green); }

.q-option.is-wrong {
    border-color: var(--red);
    background: color-mix(in srgb, var(--red) 12%, var(--surface-2));
    animation: shake .35s ease;
}

.q-option.is-wrong .q-mark { color: var(--red); }

.q-option.is-solution {
    border-style: dashed;
    border-color: var(--yellow);
}

.q-hint,
.q-feedback {
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-2);
    font-size: 14px;
    line-height: 1.6;
}

.q-hint strong,
.q-feedback strong {
    display: block;
    margin-bottom: 2px;
}

.q-hint p,
.q-feedback p {
    margin: 0;
    color: var(--text-soft);
}

.q-hint small {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 12px;
}

.q-hint.kind-hint { border-color: rgba(247, 201, 93, .45); }
.q-hint.kind-explanation { border-color: rgba(67, 217, 255, .45); }
.q-hint.kind-solution { border-color: rgba(255, 157, 92, .55); }

.q-feedback.good { border-color: color-mix(in srgb, var(--green) 55%, var(--border)); }
.q-feedback.good strong { color: var(--green); }
.q-feedback.bad { border-color: color-mix(in srgb, var(--red) 55%, var(--border)); }
.q-feedback.bad strong { color: var(--red); }

.q-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    margin-top: 16px;
}

.q-actions .btn-primary {
    margin-left: auto;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* ---------- Resultado ---------- */

.result-card {
    max-width: 640px;
    margin: 0 auto 14px;
    padding: 26px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--surface), var(--surface-2));
    box-shadow: var(--shadow);
    outline: none;
}

.result-card h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(24px, 4vw, 34px);
}

.result-icon {
    width: 70px;
    height: 70px;
    display: grid;
    place-items: center;
    border-radius: 22px;
    background: rgba(118, 103, 255, .14);
    color: var(--primary-2);
    font-size: 30px;
}

.result-card.tone-won .result-icon { background: rgba(66, 211, 146, .14); color: var(--green); }
.result-card.tone-lost .result-icon { background: rgba(255, 107, 131, .12); color: var(--red); }
.result-card.tone-warn .result-icon { background: rgba(247, 201, 93, .14); color: var(--yellow); }
.result-card.tone-boss { border-color: color-mix(in srgb, var(--tier-boss) 60%, var(--border)); }
.result-card.tone-boss .result-icon { background: rgba(255, 211, 78, .16); color: var(--tier-boss); animation: crownShine 1.6s ease-in-out infinite; }
.result-card.boss-won h2 { color: var(--tier-boss); letter-spacing: .04em; }

.result-stars {
    font-size: 34px;
}

.result-stars .game-stars {
    gap: 8px;
}

.star-pop {
    animation: starPop .5s cubic-bezier(.2, 1.6, .4, 1) both;
    animation-delay: calc(var(--i) * .22s);
}

.result-new {
    margin: 0;
    color: var(--yellow);
    font-weight: 800;
}

.result-accuracy {
    margin: 0;
    color: var(--text-soft);
}

.result-xp {
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.result-xp .progress-bar {
    width: 100%;
}

.result-xp small {
    color: var(--text-muted);
}

.xp-float {
    color: var(--primary-2);
    font-family: var(--font-display);
    font-size: 30px;
    font-weight: 800;
    animation: xpFloat .8s ease-out both;
}

.level-up,
.streak-up {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 800;
    animation: levelUp .7s ease-out both;
}

.level-up {
    background: rgba(118, 103, 255, .16);
    color: var(--primary-2);
}

.streak-up {
    background: rgba(255, 157, 92, .16);
    color: var(--orange);
}

.analysis-card {
    max-width: 640px;
    margin: 0 auto 14px;
}

.analysis-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-size: 16px;
}

.analysis-card h3 i {
    color: var(--primary-2);
}

.analysis-card ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.7;
}

.result-actions {
    max-width: 640px;
    margin: 0 auto 14px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.review-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.review-card summary {
    cursor: pointer;
    font-weight: 700;
}

.review-card ol {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.review-card li {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-left-width: 4px;
    border-radius: 10px;
    font-size: 13px;
}

.review-card li p {
    margin: 0 0 4px;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.review-card li.ok { border-left-color: var(--green); }
.review-card li.ko { border-left-color: var(--red); }

@keyframes starPop {
    0% { transform: scale(0) rotate(-40deg); opacity: 0; }
    100% { transform: scale(1) rotate(0); opacity: 1; }
}

@keyframes xpFloat {
    0% { transform: translateY(14px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes levelUp {
    0% { transform: scale(.6); opacity: 0; }
    60% { transform: scale(1.12); opacity: 1; }
    100% { transform: scale(1); }
}

@keyframes crownShine {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 211, 78, .45); }
    50% { box-shadow: 0 0 26px 6px rgba(255, 211, 78, .35); }
}

/* ---------- Responsive ---------- */

@media (max-width: 700px) {
    .play-top {
        grid-template-columns: 1fr auto;
    }

    .play-progress {
        grid-column: 1 / -1;
        order: 3;
    }

    .question-card {
        padding: 16px;
    }

    .level-node {
        transform: translateX(calc(var(--shift, 0) * 22px));
    }

    .q-actions .btn {
        flex: 1 1 100%;
    }
}

@media (prefers-reduced-motion: reduce) {

    .level-node.state-open > button,
    .xp-float,
    .level-up,
    .streak-up,
    .star-pop,
    .q-option.is-wrong,
    .result-card.tone-boss .result-icon {
        animation: none;
    }

    .star-pop {
        opacity: 1;
        transform: none;
    }
}