/* ============================================
   Try-It-On Virtual Glasses Overlay
   ============================================ */

/* Fullscreen overlay */
.try-on-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.try-on-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Header bar */
.try-on-overlay__header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    z-index: 2;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
}

.try-on-overlay__title {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.try-on-overlay__title i {
    font-size: 22px;
}

.try-on-overlay__close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    backdrop-filter: blur(4px);
}

.try-on-overlay__close:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

/* Video + Canvas wrapper */
.try-on-overlay__viewport {
    position: relative;
    width: 100%;
    max-width: 720px;
    max-height: 75vh;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.try-on-overlay__viewport video {
    display: block;
    width: 100%;
    height: auto;
    background: #111;
    transform: scaleX(-1);
    /* mirror */
}

.try-on-overlay__viewport canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(-1);
    /* mirror to match video */
}

/* Loading state */
.try-on-overlay__loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    z-index: 3;
    border-radius: 16px;
    transition: opacity 0.3s ease;
}

.try-on-overlay__loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.try-on-overlay__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--base-clr, #d4a76a);
    border-radius: 50%;
    animation: tryOnSpin 0.8s linear infinite;
}

@keyframes tryOnSpin {
    to {
        transform: rotate(360deg);
    }
}

.try-on-overlay__loading-text {
    font-size: 15px;
    font-weight: 500;
    opacity: 0.85;
}

/* Error state */
.try-on-overlay__error {
    text-align: center;
    color: #fff;
    padding: 40px 24px;
}

.try-on-overlay__error i {
    font-size: 48px;
    color: #ff6b6b;
    margin-bottom: 16px;
    display: block;
}

.try-on-overlay__error p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.85;
}

.try-on-overlay__error button {
    background: var(--base-clr, #d4a76a);
    color: #fff;
    border: none;
    padding: 10px 28px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.try-on-overlay__error button:hover {
    opacity: 0.85;
}

/* Footer hint */
.try-on-overlay__footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
    z-index: 2;
}

/* Responsive */
@media (max-width: 768px) {
    .try-on-overlay__viewport {
        max-width: 100%;
        max-height: 80vh;
        border-radius: 0;
    }

    .try-on-overlay__header {
        padding: 12px 16px;
    }

    .try-on-overlay__title {
        font-size: 15px;
    }
}