/* =============================================
   EXPLORADOR DE COLORES — Página dedicada
   ============================================= */

.page-colores .background-overlay {
    display: none;
}

.page-colores main {
    padding-top: 24px;
}

/* Botón volver — solo en colores.html */
.colores-back-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: #fff;
    border: 1px solid #dde2ea;
    border-radius: 50px;
    color: #1a1a2e;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.colores-back-btn i {
    font-size: 0.9rem;
}

.colores-back-btn:hover {
    background: #f8f9fb;
    transform: translateX(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    color: #1a1a2e;
}

@media (max-width: 480px) {
    .colores-back-btn {
        top: 14px;
        left: 14px;
        padding: 10px 14px;
    }

    .colores-back-btn span {
        display: none;
    }
}

#colores-puerta {
    --puerta-color: #B8B8B8;
    --puerta-dark: #8E8E8E;
    background: linear-gradient(180deg, #eef1f5 0%, #e2e7ee 100%);
    padding: 40px 24px 80px;
    min-height: calc(100vh - 90px);
}

.colores-puerta-container {
    max-width: 1100px;
    margin: 0 auto;
}

.colores-puerta-header {
    text-align: center;
    margin-bottom: 32px;
}

.colores-puerta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.85rem, 3.5vw, 2.6rem);
    color: #1a1a2e;
    margin-bottom: 10px;
}

.colores-puerta-subtitle {
    font-size: 0.95rem;
    color: #5a6472;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.55;
}

/* Selector de tipos */
.tipos-abertura {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.tipo-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid #cdd5e0;
    background: #fff;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.2s;
}

.tipo-btn i {
    font-size: 0.9rem;
    color: #8a929e;
}

.tipo-btn.active {
    background: #1a1a2e;
    border-color: #1a1a2e;
    color: #fff;
}

.tipo-btn.active i {
    color: #fff;
}

.tipo-descripcion {
    text-align: center;
    font-size: 0.88rem;
    color: #6b7280;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.5;
    min-height: 2.8em;
}

.colores-puerta-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Viewport de vistas */
.puerta-viewport {
    position: relative;
    min-height: 400px;
}

.puerta-vista {
    display: none;
}

.puerta-vista.active {
    display: block;
}

.puerta-hint {
    text-align: center;
    font-size: 0.85rem;
    color: #5a6472;
    margin-bottom: 16px;
    transition: opacity 0.3s;
}

.puerta-hint i {
    margin-right: 6px;
    color: var(--rojo, #E74C3C);
}

.puerta-vista.is-open .puerta-hint {
    opacity: 0;
    height: 0;
    margin: 0;
    overflow: hidden;
}

.puerta-trigger {
    display: block;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.puerta-trigger:focus-visible {
    outline: 2px solid var(--rojo, #E74C3C);
    outline-offset: 8px;
}

.puerta-stage {
    perspective: 900px;
    perspective-origin: 50% 45%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.puerta-marco {
    position: relative;
    width: min(280px, 75vw);
    height: min(380px, 55vw);
    transform-style: preserve-3d;
}

.puerta-marco.marco-ventana {
    height: min(300px, 45vw);
}

.puerta-marco.marco-porton {
    width: min(340px, 88vw);
    height: min(260px, 40vw);
}

.puerta-marco::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 10px solid var(--puerta-dark);
    border-radius: 3px;
    z-index: 0;
    pointer-events: none;
    transition: border-color 0.4s;
}

.puerta-interior {
    position: absolute;
    inset: 12px;
    background: linear-gradient(160deg, #2a3544 0%, #1a2230 100%);
    z-index: 0;
}

.puerta-panel {
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, var(--puerta-color) 0%, var(--puerta-dark) 100%);
    border: 3px solid rgba(0, 0, 0, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 2px 4px 12px rgba(0, 0, 0, 0.15);
    transition: background 0.4s;
}

#colores-puerta[data-madera="true"] .puerta-panel {
    background: linear-gradient(
        168deg,
        var(--puerta-dark) 0%,
        var(--puerta-color) 42%,
        #8f5e3e 52%,
        var(--puerta-color) 62%,
        var(--puerta-dark) 100%
    );
}

.puerta-vidrio {
    position: absolute;
    top: 14%;
    left: 50%;
    transform: translateX(-50%);
    width: 42%;
    height: 38%;
    background: linear-gradient(135deg, rgba(180, 210, 230, 0.5) 0%, rgba(220, 235, 245, 0.2) 100%);
    border: 2px solid rgba(255, 255, 255, 0.35);
    z-index: 2;
}

.puerta-vidrio.vidrio-chico {
    width: 55%;
    height: 45%;
    top: 12%;
}

.puerta-vidrio.vidrio-ancho {
    width: 75%;
    height: 55%;
    top: 10%;
}

/* Barral (puerta batiente sin vidrio) */
.panel-solido {
    border-radius: 2px;
}

.puerta-barral {
    position: absolute;
    right: 12%;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 58%;
    background: linear-gradient(90deg, #a8a8a8 0%, #eee 45%, #999 100%);
    border-radius: 5px;
    z-index: 3;
    box-shadow: 2px 0 6px rgba(0, 0, 0, 0.2);
}

.puerta-barral::before,
.puerta-barral::after {
    content: '';
    position: absolute;
    left: -6px;
    width: 22px;
    height: 6px;
    background: linear-gradient(180deg, #888, #bbb, #888);
    border-radius: 2px;
}

.puerta-barral::before { top: 8%; }
.puerta-barral::after { bottom: 8%; }

/* Corrediza — todo vidrio con marco fino */
.corrediza-marco-hoja {
    position: absolute;
    inset: 0;
    border: 7px solid var(--puerta-dark);
    box-sizing: border-box;
    background: transparent;
    box-shadow: inset 0 0 0 1px var(--puerta-color);
    transition: border-color 0.4s, box-shadow 0.4s;
}

#colores-puerta[data-madera="true"] .corrediza-marco-hoja {
    border-color: var(--puerta-dark);
    box-shadow: inset 0 0 0 2px var(--puerta-color);
}

.corrediza-vidrio-full {
    position: absolute;
    inset: 7px;
    background: linear-gradient(
        145deg,
        rgba(200, 225, 240, 0.55) 0%,
        rgba(235, 245, 250, 0.25) 35%,
        rgba(180, 210, 230, 0.45) 70%,
        rgba(220, 235, 245, 0.3) 100%
    );
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.15);
}

.corrediza-vidrio-full::after {
    content: '';
    position: absolute;
    top: 8%;
    left: 12%;
    width: 28%;
    height: 55%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, transparent 100%);
    border-radius: 2px;
}


.puerta-suelo {
    width: min(320px, 85vw);
    height: 20px;
    margin-top: -2px;
    background: linear-gradient(180deg, #b0b8c4, #8892a0);
    transform: rotateX(78deg);
    transform-origin: top center;
    opacity: 0.55;
}

/* ─── Batiente ─── */
.hoja-batiente {
    position: absolute;
    inset: 8px;
    transform-origin: left center;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.puerta-vista[data-tipo="batiente"].is-open .hoja-batiente {
    transform: rotateY(-105deg);
}

/* ─── Corrediza ─── */
.corrediza-track {
    position: absolute;
    inset: 8px;
    display: flex;
    z-index: 2;
    overflow: hidden;
}

.corrediza-hoja {
    position: relative;
    flex: 1;
    height: 100%;
}

.hoja-mueve {
    transition: transform 0.85s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.puerta-vista[data-tipo="corrediza"].is-open .hoja-mueve {
    transform: translateX(-92%);
}

/* ─── Proyectante (todo vidrio) ─── */
.hoja-proyectante {
    position: absolute;
    inset: 8px;
    transform-origin: top center;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.hoja-proyectante .corrediza-marco-hoja {
    position: absolute;
    inset: 0;
}

.puerta-vista[data-tipo="proyectante"].is-open .hoja-proyectante {
    transform: rotateX(50deg);
}

/* ─── Portón elevadizo (bascula desde arriba, como proyectante pero más abierto) ─── */
.hoja-porton {
    position: absolute;
    inset: 8px;
    transform-origin: top center;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.panel-porton {
    border-radius: 2px;
}

.porton-lineas {
    position: absolute;
    inset: 15% 8%;
    background: repeating-linear-gradient(
        180deg,
        transparent 0px,
        transparent 18px,
        rgba(0, 0, 0, 0.08) 18px,
        rgba(0, 0, 0, 0.08) 20px
    );
    z-index: 2;
    pointer-events: none;
}

.puerta-vista[data-tipo="porton"].is-open .hoja-porton {
    transform: rotateX(80deg);
}

.suelo-porton {
    width: min(380px, 92vw);
}

/* ─── Cortina de enrollar ─── */
.marco-enrollable {
    width: min(280px, 75vw);
    height: min(380px, 55vw);
    overflow: hidden;
}

.enrollable-cajon {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    height: 38px;
    background: linear-gradient(180deg, var(--puerta-dark) 0%, var(--puerta-color) 55%, var(--puerta-dark) 100%);
    border: 2px solid rgba(0, 0, 0, 0.18);
    border-radius: 2px;
    z-index: 4;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.enrollable-cajon::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 2px;
}

.enrollable-cortina {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 46px;
    bottom: 8px;
    z-index: 2;
    transition: transform 1.1s cubic-bezier(0.45, 0, 0.2, 1);
    transform-origin: top center;
    will-change: transform;
}

.puerta-vista[data-tipo="enrollable"].is-open .enrollable-cortina {
    transform: translateY(calc(-100% + 42px)) scaleY(0.92);
}

.enrollable-tablillas {
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        180deg,
        var(--puerta-color) 0px,
        var(--puerta-color) 11px,
        var(--puerta-dark) 11px,
        var(--puerta-dark) 13px
    );
    border-left: 4px solid var(--puerta-dark);
    border-right: 4px solid var(--puerta-dark);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

#colores-puerta[data-madera="true"] .enrollable-tablillas {
    background: linear-gradient(
        168deg,
        var(--puerta-dark) 0%,
        var(--puerta-color) 42%,
        #8f5e3e 52%,
        var(--puerta-color) 62%,
        var(--puerta-dark) 100%
    );
}

#colores-puerta[data-madera="true"] .enrollable-cajon {
    background: linear-gradient(180deg, var(--puerta-dark) 0%, var(--puerta-color) 100%);
}

/* ─── Panel colores (siempre usable) ─── */
.colores-panel {
    position: sticky;
    top: 100px;
}

.colores-panel-inner {
    background: #fff;
    border-radius: 12px;
    padding: 24px 22px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.colores-tipo-activo {
    font-size: 0.85rem;
    color: #5a6472;
    margin-bottom: 14px;
}

.colores-tipo-activo strong {
    color: #1a1a2e;
}

.colores-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.colores-tab {
    flex: 1;
    padding: 9px 14px;
    border: 1px solid #dde2ea;
    background: #f8f9fb;
    border-radius: 8px;
    font-size: 0.84rem;
    font-weight: 600;
    color: #5a6472;
    cursor: pointer;
}

.colores-tab.active {
    background: #1a1a2e;
    border-color: #1a1a2e;
    color: #fff;
}

.colores-grupo {
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.colores-grupo.active {
    display: grid;
}

.color-muestra {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px;
    border: 2px solid #e8ecf2;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    text-align: left;
}

.color-muestra.active {
    border-color: var(--rojo, #E74C3C);
}

.muestra-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--muestra);
    border: 2px solid rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.muestra-madera {
    background: linear-gradient(165deg, #A67B5B 0%, #8B6348 45%, #735540 100%) !important;
}

.muestra-nombre {
    font-size: 0.8rem;
    font-weight: 500;
    color: #2c3440;
}

.colores-seleccionado {
    font-size: 0.86rem;
    color: #5a6472;
    margin-bottom: 6px;
}

.colores-disclaimer {
    font-size: 0.72rem;
    color: #9aa3af;
    line-height: 1.45;
    margin-bottom: 14px;
}

.colores-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
}

.colores-whatsapp:hover {
    background: #1da851;
}

/* Responsive */
@media (max-width: 768px) {
    .colores-puerta-layout {
        grid-template-columns: 1fr;
    }

    .colores-panel {
        position: static;
    }

    .tipos-abertura {
        gap: 6px;
    }

    .tipo-btn span {
        font-size: 0.78rem;
    }

    .colores-grupo {
        grid-template-columns: 1fr;
    }

    .colores-whatsapp {
        width: 100%;
        justify-content: center;
    }

    .puerta-viewport {
        min-height: 340px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hoja-batiente,
    .hoja-mueve,
    .hoja-proyectante,
    .hoja-porton,
    .enrollable-cortina {
        transition-duration: 0.01ms;
    }
}