/* Variables de Estilo para fácil personalización */
:root {
    --viewer-bg-color: #222222;
    --control-bg-color: rgba(0, 0, 0, 0.6);
    --control-hover-bg-color: rgba(0, 0, 0, 0.8);
    --text-color: #ffffff;
    --accent-color: #ffac2a;
    --warning-bg-color: rgba(0, 0, 0, 0.85);
    --warning-box-bg: #1a1a1a;
}

/* --- Contenedor Principal --- */
#main-model-viewer-container {
    position: relative;
    width: 100%;
    height: 60vh;
    max-height: 800px;
    margin: 0 auto;
    background-color: var(--viewer-bg-color);
    overflow: hidden;
    touch-action: none; /* Previene acciones del navegador en interacciones táctiles */
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

#main-model-viewer-container:-webkit-full-screen {
    width: 100%;
    height: 100%;
    max-height: none;
}

/* --- Canvas de Three.js --- */
#main-model-viewer-container #three-container,
#main-model-viewer-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* --- Overlays y UI --- */
.viewer-overlay {
    position: absolute;
    z-index: 1000;
    transition: opacity 0.5s ease;
    font-family: 'Poppins', sans-serif;
}
.viewer-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* --- Información del Modelo --- */
#main-model-viewer-container .info-overlay {
    top: 20px;
    right: 20px;
    background: var(--control-bg-color);
    color: var(--text-color);
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 14px;
    max-width: 250px;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.4s ease-out;
}
#main-model-viewer-container .info-overlay.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Botones de Control (Base) --- */
#main-model-viewer-container .control-button {
    width: 44px;
    height: 44px;
    background: var(--control-bg-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
#main-model-viewer-container .control-button:hover {
    background-color: var(--control-hover-bg-color);
    transform: scale(1.1);
}

/* Posicionamiento de Controles */
#main-model-viewer-container .fullscreen-control {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 999;
}

/* Navegación del Showroom */
#main-model-viewer-container .showroom-navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    box-sizing: border-box;
    transform: translateY(-50%);
    z-index: 998;
    pointer-events: none; /* Permite clics a través del div */
}
#main-model-viewer-container .showroom-navigation .control-button {
    pointer-events: auto; /* Habilita clics solo en los botones */
}

/* --- Indicador de Carga --- */
#loader-overlay {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--warning-bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}
#loader-overlay .loader-circle {
    width: 100px;
    height: 100px;
    background-color: #121212;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    margin-bottom: 15px;
}
#loader-overlay .loader-percentage {
    font-weight: 600;
    color: var(--text-color);
    font-size: 2em;
}
#loader-overlay .loader-message {
    color: var(--text-color);
    font-size: 1.1em;
}

/* --- Advertencia de Controles --- */
#controls-warning-overlay {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--warning-bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    color: var(--text-color);
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
    cursor: pointer;
}
#controls-warning-overlay .warning-content {
    background: var(--warning-box-bg);
    padding: 25px 30px;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    max-width: 350px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
#controls-warning-overlay .warning-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}
#controls-warning-overlay .controls-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    font-size: 1em;
    line-height: 1.6;
}
#controls-warning-overlay .controls-list li {
    margin-bottom: 8px;
}
#controls-warning-overlay .warning-message {
    font-size: 1em;
    color: #bbbbbb;
    margin-top: 20px;
}