/* =====================================================================
   DINOAVENTURA · Hoja de estilos
   Layout en grilla: la tarjeta, la ruta y la barra superior ocupan filas
   distintas. Nada se superpone, en ningún tamaño de pantalla.
   ===================================================================== */

:root {
    --bg: #0c1410;
    --panel: rgba(10, 22, 15, 0.84);
    --panel-solid: #0e1a13;
    --panel-2: rgba(18, 34, 24, 0.8);
    --line: rgba(150, 220, 150, 0.18);
    --line-strong: rgba(150, 220, 150, 0.38);
    --cyan: #7fd66a;
    --cyan-soft: #b8ef9f;
    --violet: #d9a441;
    --accent: #ffb84d;
    --text: #f1f6ea;
    --muted: #b3c4a8;
    --muted-2: #84957c;
    --ok: #58e2a5;
    --bad: #ff7d7d;
    --radius: 18px;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Bahnschrift", "DIN Alternate", "Segoe UI Semibold", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg);
}

body {
    font-family: var(--font);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

button, input { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ------------------------------- ESCENA ------------------------------- */
#canvas-container {
    position: fixed;
    inset: 0;
    z-index: 1;
}
#canvas-container canvas { display: block; }

.scene-vignette {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 55% 45%, transparent 45%, rgba(4, 10, 6, 0.55) 100%),
        linear-gradient(180deg, rgba(4, 10, 6, 0.55) 0%, transparent 22%, transparent 76%, rgba(4, 10, 6, 0.55) 100%);
}

/* ------------------------------- APP ---------------------------------- */
#app {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    pointer-events: none;
    overflow: hidden;
    transition: opacity 0.6s ease;
}
body.cargando #app,
body.intro-activa #app {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: none;
}

/* ------------------------------ TOPBAR -------------------------------- */
.topbar {
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 18px 8px;
    min-width: 0;
    background: linear-gradient(180deg, rgba(4, 10, 6, 0.78), transparent);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.brand-mark {
    font-size: 1.7rem;
    filter: drop-shadow(0 0 10px rgba(127, 214, 106, 0.55));
    flex: none;
}
.brand-text { min-width: 0; }
.brand-text h1 {
    font-family: var(--font-display);
    font-size: clamp(1rem, 1.6vw, 1.32rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
    background: linear-gradient(90deg, var(--cyan), #ffffff 70%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.brand-text p {
    font-size: 0.74rem;
    color: var(--muted);
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nivel-switch {
    display: flex;
    gap: 2px;
    padding: 3px;
    border-radius: 999px;
    background: rgba(10, 20, 14, 0.8);
    border: 1px solid var(--line);
}
.nivel-switch button {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
    transition: background 0.2s, color 0.2s;
}
.nivel-switch button small {
    font-size: 0.62rem;
    opacity: 0.7;
    font-weight: 500;
}
.nivel-switch button:hover {
    color: #ffffff;
    background: rgba(127, 214, 106, 0.22);
    box-shadow: inset 0 0 0 1px rgba(127, 214, 106, 0.35);
}
.nivel-switch button.active {
    color: #08120c;
    background: linear-gradient(135deg, var(--cyan), #d6f5c0);
    box-shadow: 0 0 16px rgba(127, 214, 106, 0.35);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 38px;
    padding: 0 11px;
    border-radius: 11px;
    border: 1px solid var(--line);
    background: rgba(10, 20, 14, 0.72);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.icon-btn:hover {
    border-color: var(--cyan);
    background: rgba(22, 46, 28, 0.95);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(127, 214, 106, 0.3), 0 6px 18px rgba(127, 214, 106, 0.25);
}
.icon-btn[aria-pressed="true"] {
    border-color: var(--cyan);
    background: rgba(127, 214, 106, 0.16);
    color: var(--cyan-soft);
}
.icon-btn-accent { border-color: rgba(255, 184, 77, 0.35); color: var(--accent); }
.icon-btn-accent:hover {
    background: rgba(255, 184, 77, 0.22);
    border-color: var(--accent);
    color: #fff4d6;
    box-shadow: 0 0 0 1px rgba(255, 184, 77, 0.35), 0 6px 18px rgba(255, 184, 77, 0.25);
}
.icon-btn-square { padding: 0; width: 38px; justify-content: center; }

/* ------------------------------- STAGE -------------------------------- */
.stage {
    min-height: 0;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(320px, 392px) minmax(0, 1fr);
    gap: 18px;
    padding: 0 18px 10px;
    pointer-events: none;
}

/* ------------------------------- PANEL -------------------------------- */
.panel {
    pointer-events: auto;
    align-self: center;
    width: 100%;
    max-height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--panel);
    backdrop-filter: blur(16px) saturate(1.15);
    -webkit-backdrop-filter: blur(16px) saturate(1.15);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.panel-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 16px 12px;
    flex: none;
}

/* Botón para plegar la ficha: solo aparece en móvil y tablet vertical. */
.panel-toggle { display: none; }

.badge-wrap {
    position: relative;
    width: 76px;
    height: 76px;
    flex: none;
    border-radius: 50%;
    overflow: hidden;
    background: #16233a;
    box-shadow: 0 0 0 1px rgba(150, 220, 150, 0.28), 0 8px 22px rgba(0, 0, 0, 0.45);
}
.badge {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background-repeat: repeat-x;
    background-size: auto 100%;
    animation: girar-insignia 14s linear infinite;
}
.badge-emoji { font-size: 2.2rem; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.badge.has-image .badge-emoji { display: none; }
.badge-shine {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.28), transparent 38%),
                radial-gradient(circle at 60% 70%, transparent 42%, rgba(0, 0, 0, 0.62) 100%);
    pointer-events: none;
}
@keyframes girar-insignia {
    from { background-position: 0 0; }
    to { background-position: -192px 0; }
}

.panel-titles { min-width: 0; }
.eyebrow {
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 3px;
}
.panel-titles h2 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    line-height: 1.05;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}
.tagline {
    margin-top: 4px;
    font-size: 0.82rem;
    line-height: 1.35;
    color: var(--muted);
}

/* Pestañas */
.tabs {
    display: flex;
    gap: 2px;
    padding: 0 10px;
    border-bottom: 1px solid var(--line);
    flex: none;
}
.tabs button {
    flex: 1 1 0;
    min-height: 40px;
    padding: 8px 4px;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}
.tabs button:hover {
    color: #ffffff;
    background: rgba(127, 214, 106, 0.1);
    border-bottom-color: rgba(127, 214, 106, 0.45);
}
.tabs button[aria-selected="true"] {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
}

.panel-body {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(127, 214, 106, 0.35) transparent;
}
.panel-body::-webkit-scrollbar { width: 8px; }
.panel-body::-webkit-scrollbar-thumb { background: rgba(127, 214, 106, 0.3); border-radius: 8px; }

.tab-panel { padding: 14px 16px 16px; }
.tab-panel[hidden] { display: none; }

.desc {
    font-size: 0.93rem;
    line-height: 1.6;
    color: #dfe8f7;
}

.sabias {
    margin-top: 12px;
    padding: 11px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 184, 77, 0.28);
    background: linear-gradient(135deg, rgba(255, 184, 77, 0.11), rgba(255, 184, 77, 0.03));
    font-size: 0.85rem;
    line-height: 1.5;
}
.sabias b { color: var(--accent); }

.comparacion {
    margin-top: 10px;
    display: flex;
    gap: 9px;
    align-items: flex-start;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(127, 214, 106, 0.07);
    border: 1px solid rgba(127, 214, 106, 0.16);
    font-size: 0.83rem;
    line-height: 1.5;
    color: #cfe4f5;
}
.comparacion .comp-icon { font-size: 1.1rem; line-height: 1; }

.chips-label {
    margin-top: 14px;
    margin-bottom: 6px;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-2);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid rgba(217, 164, 65, 0.3);
    background: rgba(217, 164, 65, 0.09);
    color: #dccdff;
    font-size: 0.72rem;
    font-weight: 600;
    transition: background 0.2s, border-color 0.2s;
}
.chip:hover {
    background: rgba(217, 164, 65, 0.3);
    border-color: var(--violet);
    color: #ffffff;
    box-shadow: 0 0 14px rgba(217, 164, 65, 0.3);
}

.panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 0.84rem;
    font-weight: 700;
    border: 1px solid var(--line);
    background: rgba(15, 27, 19, 0.8);
    color: var(--text);
    transition: transform 0.15s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover {
    transform: translateY(-1px);
    border-color: var(--cyan);
    background: rgba(20, 42, 26, 0.95);
    color: #ffffff;
    box-shadow: 0 0 0 1px rgba(127, 214, 106, 0.35), 0 8px 22px rgba(127, 214, 106, 0.28);
}
.btn-soft { flex: 1 1 140px; }
.btn-primary {
    background: linear-gradient(135deg, var(--cyan), #d6f5c0);
    color: #08120c;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(127, 214, 106, 0.28);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #b6f59a, #eafce0);
    color: #08120c;
    border-color: transparent;
    box-shadow: 0 0 0 1px rgba(200, 255, 190, 0.7), 0 10px 32px rgba(127, 214, 106, 0.55);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* Datos */
.datos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
}
.dato {
    padding: 10px 11px;
    border-radius: 12px;
    background: rgba(15, 27, 19, 0.62);
    border: 1px solid var(--line);
}
.dato dt {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 4px;
    line-height: 1.25;
}
.dato dd { font-size: 0.86rem; font-weight: 700; line-height: 1.35; }
.dato dd small { display: block; font-size: 0.68rem; font-weight: 500; color: var(--muted); margin-top: 2px; }

/* Curiosidades */
.curiosidades { display: flex; flex-direction: column; gap: 10px; }
.curiosidad {
    display: flex;
    gap: 11px;
    padding: 11px 12px;
    border-radius: 12px;
    background: rgba(15, 27, 19, 0.6);
    border: 1px solid var(--line);
}
.curiosidad .cur-icon { font-size: 1.35rem; line-height: 1; flex: none; }
.curiosidad h4 { font-size: 0.86rem; margin-bottom: 3px; color: var(--cyan-soft); }
.curiosidad p { font-size: 0.81rem; line-height: 1.5; color: #dbe6d2; }

/* Quiz */
.quiz-q { font-size: 0.95rem; font-weight: 700; line-height: 1.45; margin-bottom: 4px; }
.quiz-progress { font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 9px; }
.quiz-opts { display: flex; flex-direction: column; gap: 7px; }
.quiz-opt {
    text-align: left;
    padding: 10px 12px;
    border-radius: 11px;
    border: 1px solid var(--line);
    background: rgba(15, 27, 19, 0.65);
    font-size: 0.83rem;
    line-height: 1.35;
    transition: border-color 0.2s, background 0.2s;
}
.quiz-opt:hover:not(:disabled) {
    border-color: var(--cyan);
    background: rgba(127, 214, 106, 0.2);
    color: #ffffff;
    box-shadow: 0 0 14px rgba(127, 214, 106, 0.22);
}
.quiz-opt.correcta { border-color: var(--ok); background: rgba(88, 226, 165, 0.14); }
.quiz-opt.incorrecta { border-color: var(--bad); background: rgba(255, 125, 125, 0.13); }
.quiz-opt:disabled { cursor: default; }
.quiz-fb {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 11px;
    font-size: 0.82rem;
    line-height: 1.5;
    background: rgba(127, 214, 106, 0.08);
    border: 1px solid rgba(127, 214, 106, 0.2);
}
.quiz-fb.ok { background: rgba(88, 226, 165, 0.1); border-color: rgba(88, 226, 165, 0.3); }
.quiz-fb.bad { background: rgba(255, 125, 125, 0.1); border-color: rgba(255, 125, 125, 0.3); }
.quiz-foot { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.quiz-foot .btn { flex: 1 1 120px; }

/* ------------------------------- RUTA --------------------------------- */
.route {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    width: 100%;
    padding: 4px 18px calc(10px + env(safe-area-inset-bottom));
    background: linear-gradient(0deg, rgba(4, 10, 6, 0.82), transparent);
}

.route-arrow {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--line-strong);
    background: rgba(10, 20, 14, 0.85);
    color: var(--text);
    font-size: 1rem;
    display: grid;
    place-items: center;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.route-arrow:hover {
    background: var(--cyan);
    color: #08120c;
    transform: scale(1.06);
    box-shadow: 0 0 18px rgba(127, 214, 106, 0.45);
}

.route-track {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    gap: 5px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    scroll-behavior: smooth;
    padding: 4px 2px;
}
.route-track::-webkit-scrollbar { display: none; }

.route-pill {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 0 11px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(10, 20, 14, 0.78);
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}
.route-pill .rp-emoji { font-size: 0.98rem; }
.route-pill .rp-num { font-size: 0.58rem; opacity: 0.65; }
.route-pill:hover {
    color: #ffffff;
    border-color: var(--cyan);
    background: rgba(19, 40, 25, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(127, 214, 106, 0.3), 0 6px 16px rgba(127, 214, 106, 0.22);
}
.route-pill[aria-current="true"] {
    color: #08120c;
    border-color: transparent;
    background: linear-gradient(135deg, var(--cyan), #d6f5c0);
    box-shadow: 0 0 18px rgba(127, 214, 106, 0.4);
}
.route-pill[aria-current="true"] .rp-num { opacity: 0.75; }

/* ------------------------------ MODALES -------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(2, 4, 10, 0.72);
    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
}
.modal.hidden { display: none; }

.modal-card {
    width: min(840px, 100%);
    max-height: min(90dvh, 900px);
    display: flex;
    flex-direction: column;
    border-radius: 20px;
    border: 1px solid var(--line-strong);
    background: var(--panel-solid);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 18px;
    border-bottom: 1px solid var(--line);
    flex: none;
}
.modal-head h2 { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.03em; }
.modal-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    font-size: 0.95rem;
    transition: background 0.2s;
}
.modal-close:hover {
    background: rgba(255, 125, 125, 0.35);
    border-color: var(--bad);
    color: #ffffff;
    box-shadow: 0 0 16px rgba(255, 125, 125, 0.4);
}

.modal-tools { padding: 12px 18px 0; flex: none; }
.modal-tools input {
    width: 100%;
    min-height: 42px;
    padding: 0 13px;
    border-radius: 11px;
    border: 1px solid var(--line);
    background: rgba(15, 27, 19, 0.8);
    font-size: 0.88rem;
    outline: none;
}
.modal-tools input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(127, 214, 106, 0.14); }

.modal-body {
    padding: 16px 18px 20px;
    overflow-y: auto;
    overscroll-behavior: contain;
    line-height: 1.55;
}
.modal-body::-webkit-scrollbar { width: 9px; }
.modal-body::-webkit-scrollbar-thumb { background: rgba(127, 214, 106, 0.28); border-radius: 9px; }

/* Glosario */
.glosario-item { padding: 11px 0; border-bottom: 1px solid rgba(150, 220, 150, 0.1); }
.glosario-item:last-child { border-bottom: 0; }
.glosario-item dt { color: var(--cyan); font-weight: 700; font-size: 0.95rem; margin-bottom: 3px; }
.glosario-item dd { color: #d3deee; font-size: 0.86rem; }
.glosario-item.resaltado { animation: resaltar 1.8s ease; }
@keyframes resaltar {
    0%, 100% { background: transparent; }
    25%, 70% { background: rgba(127, 214, 106, 0.12); }
}
.glosario-vacio { color: var(--muted); font-size: 0.9rem; text-align: center; padding: 24px 0; }

/* Guía docente */
.guia { font-size: 0.9rem; color: #d8e3f2; }
.guia-intro { color: var(--muted); margin-bottom: 16px; }
.guia-repetir { margin-bottom: 22px; }
.guia h3 {
    margin: 22px 0 9px;
    font-family: var(--font-display);
    font-size: 1.02rem;
    color: var(--cyan-soft);
    letter-spacing: 0.02em;
}
.guia h3:first-of-type { margin-top: 6px; }
.guia h4 { margin: 0 0 6px; font-size: 0.88rem; color: var(--text); }
.guia ul { padding-left: 20px; }
.guia li { margin-bottom: 6px; }
.guia code {
    padding: 1px 5px;
    border-radius: 5px;
    background: rgba(127, 214, 106, 0.12);
    font-size: 0.85em;
}
.guia kbd {
    display: inline-block;
    min-width: 20px;
    padding: 1px 5px;
    border-radius: 5px;
    border: 1px solid var(--line-strong);
    background: rgba(15, 27, 19, 0.9);
    font-size: 0.78em;
    text-align: center;
}
.guia-pasos { display: flex; flex-direction: column; gap: 9px; }
.guia-paso { display: flex; gap: 10px; align-items: flex-start; }
.guia-paso > span {
    flex: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--cyan);
    color: #08120c;
    font-weight: 800;
    font-size: 0.76rem;
}
.guia-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.guia-preguntas li { color: #e6eefb; }

/* Desafío */
.desafio-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.76rem;
    color: var(--muted);
}
.desafio-barra {
    height: 5px;
    border-radius: 5px;
    background: rgba(150, 220, 150, 0.15);
    overflow: hidden;
    margin-bottom: 16px;
}
.desafio-barra span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    transition: width 0.35s ease;
}
.desafio-resultado { text-align: center; padding: 14px 0 4px; }
.desafio-resultado .puntaje {
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    color: var(--accent);
    margin: 8px 0;
}
.desafio-resultado .estrellas { font-size: 1.8rem; letter-spacing: 6px; margin-bottom: 10px; }
.desafio-resultado p { color: var(--muted); font-size: 0.9rem; margin-bottom: 16px; }

/* ------------------------------ INTRO ---------------------------------- */
.intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 7vh 6vw calc(5vh + env(safe-area-inset-bottom));
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.9s ease, visibility 0.9s;
    background:
        radial-gradient(ellipse at 20% 36%, rgba(4, 10, 7, 0.78), rgba(4, 10, 7, 0.34) 46%, transparent 70%),
        linear-gradient(180deg, rgba(4, 10, 6, 0.62) 0%, rgba(4, 10, 6, 0.12) 24%, rgba(4, 10, 6, 0.12) 72%, rgba(4, 10, 6, 0.7) 100%);
}
.intro-overlay.hidden { opacity: 0; visibility: hidden; }

.intro-top { max-width: 680px; }
.intro-kicker {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 12px;
    text-shadow: 0 0 18px rgba(127, 214, 106, 0.6);
}
.intro-top h2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 6.4vw, 4.6rem);
    line-height: 0.95;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    text-shadow: 0 6px 40px rgba(0, 0, 0, 0.85);
}
.intro-sub {
    margin-top: 14px;
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: #dce6d4;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.9);
}
.intro-bottom { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; pointer-events: none; }
.intro-bottom .btn { pointer-events: auto; }
.intro-meter {
    width: min(340px, 58vw);
    height: 3px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.16);
    overflow: hidden;
}
.intro-meter span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--cyan), #ffffff);
    box-shadow: 0 0 12px var(--cyan);
}
.intro-overlay:not(.hidden) .intro-meter span { animation: introProgreso 9.5s linear forwards; }
@keyframes introProgreso { from { width: 0; } to { width: 100%; } }

/* ------------------------------ CARGA ---------------------------------- */
.loading {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(ellipse at 50% 42%, #0b1710 0%, #0c1410 62%);
    transition: opacity 0.8s ease, visibility 0.8s;
}
.loading.oculto { opacity: 0; visibility: hidden; }

.loading-card { width: min(520px, 100%); text-align: center; }
.loading-logo {
    font-size: 3rem;
    margin-bottom: 14px;
    animation: flotar 3s ease-in-out infinite;
    filter: drop-shadow(0 0 22px rgba(127, 214, 106, 0.5));
}
@keyframes flotar {
    0%, 100% { transform: translateY(0) rotate(-4deg); }
    50% { transform: translateY(-9px) rotate(4deg); }
}
.loading-card h1 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4.4vw, 2.2rem);
    letter-spacing: 0.18em;
    background: linear-gradient(90deg, var(--cyan), #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.loading-sub { margin-top: 6px; color: var(--muted); font-size: 0.9rem; }
.loading-bar {
    width: min(320px, 82%);
    height: 5px;
    margin: 24px auto 10px;
    border-radius: 5px;
    background: rgba(150, 220, 150, 0.16);
    overflow: hidden;
}
.loading-bar span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    box-shadow: 0 0 14px rgba(127, 214, 106, 0.6);
    transition: width 0.35s ease;
}
.loading-status { font-size: 0.78rem; color: var(--cyan-soft); min-height: 1.2em; }
.loading-note { margin-top: 18px; font-size: 0.7rem; color: var(--muted-2); letter-spacing: 0.04em; }

/* ------------------------------ TOAST ---------------------------------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: calc(76px + env(safe-area-inset-bottom));
    z-index: 90;
    transform: translate(-50%, 16px);
    max-width: min(440px, 90vw);
    padding: 11px 16px;
    border-radius: 12px;
    border: 1px solid var(--line-strong);
    background: rgba(10, 20, 14, 0.95);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
    font-size: 0.83rem;
    line-height: 1.4;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.toast.visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.noscript {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--bg);
    text-align: center;
    font-size: 1rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */

/* Notebooks y tablets apaisadas: la barra se compacta antes de desbordar. */
@media (max-width: 1200px) {
    .icon-label { display: none; }
    .icon-btn { padding: 0 10px; }
    .nivel-switch button small { display: none; }
}

/* Tablets y móviles: el panel va abajo, la ruta queda en su propia fila. */
@media (max-width: 900px) {
    .topbar { flex-wrap: wrap; gap: 8px; padding: 10px 12px 6px; }
    .brand-text p { display: none; }
    .top-actions {
        width: 100%;
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 2px;
    }
    .top-actions::-webkit-scrollbar { display: none; }
    .nivel-switch button { padding: 6px 9px; }
    .nivel-switch button small { display: none; }

    .stage {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        gap: 8px;
        padding: 0 10px 6px;
    }
    .panel {
        align-self: stretch;
        max-height: min(46dvh, 100%);
        border-radius: 16px;
    }
    .panel-head { padding: 12px 13px 9px; gap: 11px; }
    .badge-wrap { width: 58px; height: 58px; }
    .badge-emoji { font-size: 1.7rem; }
    .panel-titles h2 { font-size: 1.35rem; }
    .tagline { font-size: 0.75rem; }
    .tabs button { font-size: 0.71rem; min-height: 38px; }
    .tab-panel { padding: 12px 13px 14px; }
    .desc { font-size: 0.88rem; }
    .datos-grid { gap: 7px; }
    .dato { padding: 8px 9px; }
    .dato dd { font-size: 0.8rem; }

    .route { padding: 2px 10px calc(8px + env(safe-area-inset-bottom)); gap: 6px; }
    .route-arrow { width: 40px; height: 40px; }
    .route-pill { min-height: 36px; padding: 0 9px; font-size: 0.7rem; }
}

/* Teléfonos chicos: la ruta muestra solo emojis y la barra entra en una fila. */
@media (max-width: 560px) {
    .topbar { padding: 8px 10px 4px; gap: 6px; }
    .top-actions { gap: 5px; overflow: visible; flex-wrap: nowrap; }
    .nivel-switch { gap: 4px; }
    .nivel-switch button { padding: 6px 7px; font-size: 0.7rem; gap: 4px; }
    .nivel-switch button > span { display: none; }
    .nivel-switch button small { display: inline; font-size: 0.66rem; }
    .route-pill .rp-name { display: none; }
    .route-pill { padding: 0 10px; }
    .route-pill .rp-num { display: none; }
    .route-pill .rp-emoji { font-size: 1.12rem; }
    .icon-label { display: none; }
    .icon-btn { padding: 0 8px; min-width: 32px; }
    .icon-btn-square { width: 32px; }
    .panel { max-height: min(52dvh, 100%); }
    .guia-columnas { grid-template-columns: 1fr; }
    .brand-mark { font-size: 1.45rem; }
}

/* Pantallas bajas (notebooks viejas, teléfonos apaisados). */
@media (max-height: 660px) {
    .topbar { padding-top: 7px; padding-bottom: 4px; }
    .brand-text p { display: none; }
    .panel-head { padding: 10px 12px 8px; }
    .badge-wrap { width: 52px; height: 52px; }
    .panel-titles h2 { font-size: 1.2rem; }
    .tagline { display: none; }
    .tabs button { min-height: 34px; }
    .tab-panel { padding-top: 10px; }
    .desc { font-size: 0.85rem; line-height: 1.5; }
    .route { padding-bottom: calc(6px + env(safe-area-inset-bottom)); }
    .route-pill { min-height: 34px; }
    .route-arrow { width: 36px; height: 36px; }
    .intro-overlay { padding-top: 5vh; }
}

/* Móvil/tablet vertical: la ficha se pliega a una barra compacta para
   dejar ver el planeta. En apaisado no aplica (el panel ya va al costado). */
@media (max-width: 900px) and (min-height: 521px) {
    .panel-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
        margin-left: auto;
        flex: none;
        min-width: 40px;
        min-height: 40px;
        padding: 0 11px;
        border-radius: 10px;
        border: 1px solid var(--line-strong);
        background: rgba(14, 30, 20, 0.9);
        color: var(--cyan-soft);
        font-size: 0.72rem;
        font-weight: 700;
        line-height: 1;
        transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
    }
    .panel-toggle .pt-icon { font-size: 0.95rem; line-height: 1; }
    .panel-toggle:hover {
        border-color: var(--cyan);
        background: rgba(127, 214, 106, 0.2);
        color: #ffffff;
        box-shadow: 0 0 0 1px rgba(127, 214, 106, 0.35), 0 6px 18px rgba(127, 214, 106, 0.22);
        transform: translateY(-1px);
    }
    .panel-toggle:active { transform: translateY(0); }
    .panel-toggle:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

    .panel.minimizado { max-height: none; }
    .panel.minimizado .panel-head { padding: 8px 11px; gap: 9px; }
    .panel.minimizado .badge-wrap { width: 42px; height: 42px; }
    .panel.minimizado .badge-emoji { font-size: 1.25rem; }
    .panel.minimizado .eyebrow { font-size: 0.55rem; margin-bottom: 1px; }
    .panel.minimizado .panel-titles h2 { font-size: 1.05rem; }
    .panel.minimizado .tagline { display: none; }
    .panel.minimizado .tabs,
    .panel.minimizado .panel-body { display: none; }
}

/* Teléfonos: abierta, el botón queda solo con el ícono y el antetítulo
   se compacta para no partirse en dos líneas. */
@media (max-width: 440px) and (min-height: 521px) {
    .panel:not(.minimizado) .panel-toggle { width: 40px; padding: 0; }
    .panel:not(.minimizado) .pt-text { display: none; }
    .panel:not(.minimizado) .eyebrow { font-size: 0.58rem; letter-spacing: 0.1em; }
}

/* Teléfonos muy angostos: el tipo de cuerpo se omite para que la barra
   compacta quede en una sola línea. */
@media (max-width: 370px) and (min-height: 521px) {
    .eyebrow-tipo { display: none; }
    .panel.minimizado .eyebrow { font-size: 0.6rem; }
}

/* Móvil apaisado: panel al costado para no comerse la escena. */
@media (max-width: 900px) and (max-height: 520px) {
    .stage {
        display: grid;
        grid-template-columns: minmax(220px, 310px) minmax(0, 1fr);
        gap: 10px;
        padding: 0 10px 4px;
        justify-content: stretch;
    }
    .panel {
        max-height: 100%;
        align-self: stretch;
        border-radius: 14px;
    }
    .panel-head { display: none; }
    .tabs button { min-height: 30px; font-size: 0.66rem; }
    .tab-panel { padding: 9px 11px 11px; }
    .desc { font-size: 0.78rem; line-height: 1.45; }
    .sabias, .comparacion { margin-top: 8px; padding: 8px 10px; font-size: 0.76rem; }
    .chips-label { margin-top: 10px; }
    .panel-actions { margin-top: 9px; }
    .btn { min-height: 34px; font-size: 0.74rem; }
    .route { padding: 0 10px calc(4px + env(safe-area-inset-bottom)); }
    .route-pill { min-height: 32px; }
    .route-arrow { width: 34px; height: 34px; }
}

/* Accesibilidad: menos movimiento. */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}