/**
 * Node-3D — Frontend stylesheet.
 * Path: node-3d/assets/css/node-3d.css
 *
 * Stili minimi: dimensioni di default, progress bar, AR button, fallback.
 * Tutto il resto è gestito dai control "Style" del widget in Elementor.
 */

/* ==========================================================================
   Web component <model-viewer>
   ========================================================================== */
model-viewer.node-3d-viewer {
    display: block;
    width: 100%;
    height: 500px;
    background-color: transparent;
    --poster-color: transparent;
    /* Performance hint: il browser sa che lo strato cambierà spesso. */
    will-change: transform;
}

/* ==========================================================================
   Wrapper modalità visualizzazione
   ========================================================================== */

/* Contesto di posizionamento per il pulsante fullscreen */
.node-3d-wrap {
    position: relative;
}

/* Breakout sezione: esce dal padding della colonna Elementor a tutta larghezza viewport.
   Se la sezione/tema ha overflow:hidden la fuoriuscita viene ritagliata — noto caveat. */
.node-3d-wrap[data-viewer-mode="breakout-section"],
.node-3d-wrap[data-viewer-mode="breakout-viewport"] {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

.node-3d-wrap[data-viewer-mode="breakout-section"] .node-3d-viewer,
.node-3d-wrap[data-viewer-mode="breakout-viewport"] .node-3d-viewer {
    width: 100% !important;
}

/* Pulsante fullscreen */
.node-3d-fullscreen-btn {
    position: absolute;
    z-index: 10;
    padding: 8px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    line-height: 0;
    transition: background 0.15s ease;
}

.node-3d-fullscreen-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.node-3d-fullscreen-btn--top-right    { top: 12px;    right: 12px;  }
.node-3d-fullscreen-btn--top-left     { top: 12px;    left: 12px;   }
.node-3d-fullscreen-btn--bottom-right { bottom: 12px; right: 12px;  }
.node-3d-fullscreen-btn--bottom-left  { bottom: 12px; left: 12px;   }

/* Icona entrata fullscreen: visibile in stato normale */
.node-3d-fullscreen-btn .icon-enter { display: block; }
.node-3d-fullscreen-btn .icon-exit  { display: none;  }

/* Stato fullscreen: mostra icona exit */
:fullscreen .node-3d-fullscreen-btn .icon-enter,
:-webkit-full-screen .node-3d-fullscreen-btn .icon-enter { display: none;  }
:fullscreen .node-3d-fullscreen-btn .icon-exit,
:-webkit-full-screen .node-3d-fullscreen-btn .icon-exit  { display: block; }

/* model-viewer in fullscreen */
model-viewer.node-3d-viewer:fullscreen,
model-viewer.node-3d-viewer:-webkit-full-screen {
    width: 100vw !important;
    height: 100vh !important;
}

/* Placeholder mostrato in editor quando non c'è ancora il file GLB */
.node-3d-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    padding: 24px;
    text-align: center;
    color: #888;
    background: repeating-linear-gradient(
        45deg,
        rgba(0, 0, 0, 0.03),
        rgba(0, 0, 0, 0.03) 10px,
        rgba(0, 0, 0, 0.06) 10px,
        rgba(0, 0, 0, 0.06) 20px
    );
    border: 1px dashed rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    font-size: 14px;
}

/* ==========================================================================
   Progress bar
   ========================================================================== */
.node-3d-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: opacity 0.3s ease;
}

.node-3d-progress.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.node-3d-progress-bar {
    width: 100%;
    height: 100%;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.15s linear;
}

/* ==========================================================================
   AR button
   ========================================================================== */
.node-3d-ar-button {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 10px 18px;
    background: #ffffff;
    color: #111;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.node-3d-ar-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
}

/* ==========================================================================
   Errore caricamento
   ========================================================================== */
.node-3d-error {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    text-align: center;
    color: #c00;
    background: rgba(255, 255, 255, 0.85);
    font-size: 14px;
}

/* ==========================================================================
   Adattamento mobile
   ========================================================================== */
@media (max-width: 768px) {
    model-viewer.node-3d-viewer {
        height: clamp(280px, 60vw, 500px);
    }
    .node-3d-ar-button {
        bottom: 12px;
        right: 12px;
        padding: 8px 14px;
        font-size: 12px;
    }
}