/* ═══════════════════════════════════════════════════════════
   Carp Industries — Sección de demos v1.0
   Marco del reproductor (pestañas, escenario, escenas, controles)
   + maquetas compartidas (celular, navegador) + tokens de las
   interfaces simuladas. Cada demo tiene su CSS en
   assets/css/demos/<nombre>.css con prefijo propio.
   ═══════════════════════════════════════════════════════════ */

:root {
    /* Marca ficticia de las demos: «La Escuadra» (naranja de la paleta) */
    --esc-500: #F2994A;
    --esc-600: #E07B2E;
    --esc-700: #9A4A0B;
    --esc-tint: #FDF0E6;
    /* IA dentro de interfaces claras */
    --ai-ink: #145A43;
    --ai-tint: #EEF9C8;
    --ai-line: rgb(20 90 67 / 0.18);
    /* Estados */
    --ok-500: #10B981;
    --ok-ink: #0A6B4A;
    --ok-tint: #E7F8EF;
    --bad-500: #C8372D;
    --bad-tint: #FBEAE8;
    /* Interfaz clara de las maquetas */
    --ui-bg: #FFFFFF;
    --ui-bg-2: #F5F4EF;
    --ui-line: #E7E4DC;
    --ui-ink: #0E1A14;
    --ui-muted: #5B6B62;
}

/* ── Sección ──────────────────────────────────────────────── */
.demos-section { background: var(--paper); border-top: 1px solid var(--line); }

/* Pestañas: chips con píldora bosque que se desliza */
.demos-tabs {
    position: relative;
    display: flex;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
    padding: 0.375rem;
    overflow-x: auto;
    scrollbar-width: none;
    border-radius: 9999px;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    width: max-content;
    max-width: 100%;
}
.demos-tabs::-webkit-scrollbar { display: none; }
.demos-tab-indicator {
    position: absolute;
    top: 0.375rem;
    bottom: 0.375rem;
    left: 0;
    width: 0;
    border-radius: 9999px;
    background: var(--forest-900);
    box-shadow: 0 10px 24px -14px rgb(6 35 26 / 0.8);
    transition: transform 0.5s var(--ease-out), width 0.5s var(--ease-out);
    pointer-events: none;
}
.demos-tab {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
    height: 2.75rem;
    padding: 0 1.15rem;
    border: 0;
    border-radius: 9999px;
    background: transparent;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgb(14 26 20 / 0.72);
    transition: color 0.3s var(--ease-std), background-color 0.3s var(--ease-std);
}
.demos-tab:hover { color: var(--ink); background: var(--paper-2); }
.demos-tab[aria-selected="true"] { color: var(--paper); background: transparent; }
.demos-tab-n {
    font-size: 0.7rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--ink-muted);
    transition: color 0.3s var(--ease-std);
}
.demos-tab[aria-selected="true"] .demos-tab-n { color: var(--lime); }
.demos-tab:focus-visible { outline: 2px solid var(--forest-700); outline-offset: 2px; }

/* Escenario oscuro */
.demos-stage {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border-radius: 2rem;
    border: 1px solid rgb(255 255 255 / 0.06);
    background: var(--forest-950);
    color: var(--on-dark);
    box-shadow: var(--shadow-float);
}
.demos-stage::before {
    content: "";
    position: absolute;
    inset: -20%;
    z-index: -1;
    pointer-events: none;
    background: var(--mesh-subtle);
    animation: mesh-drift-alt 30s ease-in-out infinite alternate;
}
.demos-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: var(--grain-url);
    background-size: 240px 240px;
    opacity: 0.18;
    mix-blend-mode: overlay;
}

.demo { position: relative; z-index: 1; display: flex; flex-direction: column; }
.demo[hidden] { display: none; }

/* Cabecera: kicker + título de la escena + controles */
.demo-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem 2rem;
    padding: 1.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid rgb(255 255 255 / 0.08);
}
@media (min-width: 640px) { .demo-head { padding: 1.75rem 2rem 1.5rem; } }
@media (min-width: 1024px) { .demo-head { padding: 2rem 2.5rem 1.5rem; } }
.demo-head-text { display: flex; flex-direction: column; gap: 0.6rem; min-width: 0; }
.demo-kicker {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.7rem;
    line-height: 1rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--lime);
}
.demo-kicker::before { content: ""; width: 2rem; height: 1px; background: rgb(212 242 90 / 0.6); }
.demo-title {
    font-size: clamp(1.45rem, 2.6vw, 2.1rem);
    line-height: 1.08;
    font-weight: 600;
    letter-spacing: -0.04em;
    color: var(--paper);
    min-height: 1.08em;
}
.demo-controls { display: flex; align-items: center; gap: 0.5rem; }
.demo-counter {
    min-width: 3.25rem;
    margin-right: 0.25rem;
    text-align: right;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
    color: rgb(246 244 238 / 0.6);
}
.demo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 9999px;
    border: 1px solid rgb(255 255 255 / 0.18);
    background: rgb(255 255 255 / 0.05);
    color: var(--paper);
    transition: background-color 0.3s var(--ease-std), border-color 0.3s var(--ease-std), color 0.3s var(--ease-std), opacity 0.3s;
}
.demo-btn svg { width: 1.05rem; height: 1.05rem; }
.demo-btn:hover { background: rgb(255 255 255 / 0.14); border-color: rgb(255 255 255 / 0.32); }
.demo-btn:disabled { opacity: 0.35; cursor: default; }
.demo-btn:disabled:hover { background: rgb(255 255 255 / 0.05); border-color: rgb(255 255 255 / 0.18); }
.demo-btn:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.demo-btn--play { background: var(--lime); border-color: var(--lime); color: var(--forest-950); box-shadow: var(--shadow-accent); }
.demo-btn--play:hover { background: var(--lime-hover); border-color: var(--lime-hover); }
.demo-btn--play .i-play { display: none; }
.demo:not(.is-playing) .demo-btn--play .i-play { display: block; }
.demo:not(.is-playing) .demo-btn--play .i-pause { display: none; }
.demo-btn[hidden] { display: none; }   /* p. ej. pausa con movimiento reducido */

/* Área de la demo (cada demo maqueta su interior) */
.demo-viewport {
    position: relative;
    container-type: inline-size;
    container-name: demo;
    min-height: 22rem;
    padding: 1.5rem 1.25rem;
    overflow: hidden;
}
@media (min-width: 640px) { .demo-viewport { padding: 2rem; } }
@media (min-width: 1024px) { .demo-viewport { padding: 2.25rem 2.5rem; } }
/* En pausa o fuera de pantalla (.is-frozen) engine.js congela las animaciones y
   transiciones CSS de la demo con la Web Animations API. Respaldo para navegadores
   sin getAnimations(): pausa por CSS. */
.demo.demo--css-freeze.is-frozen .demo-viewport *,
.demo.demo--css-freeze.is-frozen .demo-viewport *::before,
.demo.demo--css-freeze.is-frozen .demo-viewport *::after { animation-play-state: paused !important; }
/* El fondo del escenario también se detiene con la demo visible congelada */
.demos-stage:has(> .demo.is-frozen:not([hidden]))::before { animation-play-state: paused; }

/* Lista de escenas con barra de progreso */
.demo-scenes {
    list-style: none;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(9.5rem, 1fr);
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    border-top: 1px solid rgb(255 255 255 / 0.08);
}
.demo-scenes::-webkit-scrollbar { display: none; }
.demo-scene + .demo-scene { border-left: 1px solid rgb(255 255 255 / 0.08); }
.demo-scene-btn {
    position: relative;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    width: 100%;
    height: 100%;
    padding: 1rem 1.25rem 1.2rem;
    border: 0;
    background: transparent;
    text-align: left;
    color: rgb(246 244 238 / 0.5);
    transition: color 0.4s var(--ease-std), background-color 0.4s var(--ease-std);
}
@media (min-width: 1024px) { .demo-scene-btn { padding: 1.1rem 1.5rem 1.3rem; } }
.demo-scene-btn:hover { color: rgb(246 244 238 / 0.85); background: rgb(255 255 255 / 0.03); }
.demo-scene-btn:focus-visible { outline: 2px solid var(--lime); outline-offset: -2px; }
.demo-scene-n {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: rgb(246 244 238 / 0.4);
}
/* Máximo 2 líneas: el título completo de la escena activa ya se lee en la cabecera de la demo */
.demo-scene-t {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    font-size: 0.86rem;
    line-height: 1.3;
    font-weight: 500;
    letter-spacing: -0.01em;
}
@media (min-width: 640px) and (max-width: 1279px) { .demo-scenes { grid-auto-columns: minmax(11rem, 1fr); } }
.demo-scene.is-done .demo-scene-btn { color: rgb(246 244 238 / 0.72); }
.demo-scene.is-done .demo-scene-n { color: var(--emerald); }
.demo-scene.is-active .demo-scene-btn { color: var(--paper); background: rgb(255 255 255 / 0.04); }
.demo-scene.is-active .demo-scene-n { color: var(--lime); }
.demo-scene-bar {
    position: absolute;
    left: 0;
    right: 0;
    top: -1px;
    height: 2px;
    overflow: hidden;
}
.demo-scene-bar i {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--lime);
    transform: scaleX(0);
    transform-origin: left;
}
.demo-scene.is-done .demo-scene-bar i { transform: scaleX(1); background: rgb(16 185 129 / 0.7); }
.demo[data-state="running"] .demo-scene.is-active .demo-scene-bar i { transform: scaleX(0.35); transition: transform 3s var(--ease-out); }
.demo-scene.is-active.is-holding .demo-scene-bar i { animation: demo-hold var(--hold, 2600ms) linear forwards; }
.demo:not(.is-playing) .demo-scene.is-active .demo-scene-bar i { animation-play-state: paused; }
@keyframes demo-hold { from { transform: scaleX(0.35); } to { transform: scaleX(1); } }

/* Nota al pie del escenario */
.demos-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.5rem;
    margin-top: 1.25rem;
    font-size: 0.8rem;
    color: var(--ink-muted);
}
.demos-note span { display: inline-flex; align-items: center; gap: 0.5rem; }
.demos-note span::before { content: ""; width: 0.375rem; height: 0.375rem; border-radius: 9999px; background: var(--esc-500); }
.demos-note span + span::before { background: var(--forest-700); }

/* ── Maqueta: celular (pantalla nativa 390×844) ───────────── */
.dv-phone {
    position: relative;
    flex-shrink: 0;
    width: 414px;
    height: 868px;
    padding: 12px;
    border-radius: 60px;
    background: linear-gradient(160deg, #1B2A23 0%, #0A1712 60%, #050E0B 100%);
    box-shadow:
        inset 0 0 0 1.5px rgb(255 255 255 / 0.12),
        inset 0 0 0 7px #0B1612,
        0 50px 100px -40px rgb(0 0 0 / 0.75),
        0 0 0 1px rgb(0 0 0 / 0.4);
}
.dv-phone-screen {
    position: relative;
    width: 390px;
    height: 844px;
    overflow: hidden;
    border-radius: 48px;
    background: var(--ui-bg-2);
    color: var(--ui-ink);
    font-family: var(--font-sans);
}
.dv-phone-island {
    position: absolute;
    top: 11px;
    left: 50%;
    z-index: 30;
    width: 120px;
    height: 34px;
    margin-left: -60px;
    border-radius: 9999px;
    background: #000;
}
.dv-status {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 54px;
    padding: 18px 30px 0 36px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.dv-status-icons { display: flex; align-items: center; gap: 6px; }
.dv-status-icons svg { width: auto; height: 12px; }
.dv-home-bar {
    position: absolute;
    bottom: 8px;
    left: 50%;
    z-index: 30;
    width: 134px;
    height: 5px;
    margin-left: -67px;
    border-radius: 9999px;
    background: rgb(14 26 20 / 0.85);
}

/* ── Maqueta: navegador ───────────────────────────────────── */
.dv-browser {
    position: relative;
    overflow: hidden;
    border-radius: 1.35rem;
    background: var(--ui-bg);
    color: var(--ui-ink);
    box-shadow: 0 50px 100px -40px rgb(0 0 0 / 0.75), 0 0 0 1px rgb(255 255 255 / 0.06);
    font-family: var(--font-sans);
}
.dv-browser-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 46px;
    padding: 0 16px;
    border-bottom: 1px solid var(--ui-line);
    background: var(--ui-bg-2);
}
.dv-browser-dots { display: flex; gap: 7px; }
.dv-browser-dots i { display: block; width: 11px; height: 11px; border-radius: 9999px; background: #D9D5CA; }
.dv-browser-dots i:first-child { background: var(--esc-500); }
.dv-browser-url {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 30px;
    padding: 0 14px;
    overflow: hidden;
    border-radius: 9999px;
    border: 1px solid var(--ui-line);
    background: var(--ui-bg);
    white-space: nowrap;
    font-size: 13px;
    color: var(--ui-muted);
}
.dv-browser-url svg { flex-shrink: 0; width: 13px; height: 13px; color: var(--ok-ink); }
.dv-browser-body { position: relative; }

/* ── Logo de la marca ficticia ───────────────────────────── */
.esc-logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: -0.02em; color: var(--ui-ink); }
.esc-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--esc-500);
    color: #fff;
}
.esc-logo-mark svg { width: 18px; height: 18px; }

/* ── Utilidades compartidas por las demos ─────────────────── */
.dm-typing { display: inline-flex; gap: 4px; align-items: center; }
.dm-typing i { width: 6px; height: 6px; border-radius: 9999px; background: currentColor; opacity: 0.35; animation: dm-typing 1.2s ease-in-out infinite; }
.dm-typing i:nth-child(2) { animation-delay: 0.15s; }
.dm-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes dm-typing { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.dm-caret::after { content: ""; display: inline-block; width: 2px; height: 1.05em; margin-left: 1px; vertical-align: -0.15em; background: currentColor; animation: dm-caret 1s steps(1) infinite; }
@keyframes dm-caret { 50% { opacity: 0; } }
.dm-skeleton {
    border-radius: 6px;
    background: linear-gradient(90deg, #EFECE4 0%, #F7F5F0 50%, #EFECE4 100%);
    background-size: 200% 100%;
    animation: dm-shine 1.6s linear infinite;
}
@keyframes dm-shine { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Responsive del marco */
/* Cabecera de alto constante entre escenas: por debajo de 1024 px los controles van
   siempre en su propia fila (no saltan al lado del título cuando este se acorta) */
@media (min-width: 640px) and (max-width: 1023px) {
    .demo-controls { width: 100%; justify-content: flex-end; }
}
@media (max-width: 639px) {
    .demos-stage { border-radius: 1.5rem; }
    .demo-controls { width: 100%; justify-content: flex-end; }
    /* El título de la escena ocupa 1 o 2 líneas: se reservan siempre 2 */
    .demo-title { min-height: 2.16em; }
    .demo-scene-t { display: none; }
    .demo-scenes { grid-auto-columns: minmax(3.25rem, 1fr); }
    .demo-scene-btn { justify-content: center; padding: 0.9rem 0.5rem 1rem; }
    .demo-scene.is-active .demo-scene-t { display: none; }
}