/* =========================================================
   CDL 3D-Lab – Eigenständiges Design (v3.9+)
   ========================================================= */

.hero-3dlab {
    position: relative;
    margin-top: 2rem;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(20px) saturate(140%);
    border-radius: 28px;
    box-shadow: 0 10px 36px rgba(0,0,0,0.06);
    padding: clamp(3rem, 6vw, 5rem) 2rem;
    text-align: center;
    overflow: hidden;
    transition: all 0.4s ease;
}

    .hero-3dlab:hover {
        background: rgba(255,255,255,0.72);
        transform: translateY(-2px);
    }

    .hero-3dlab h1 {
        font-weight: 800;
        font-size: clamp(2rem, 4vw, 3rem);
        background: linear-gradient(120deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero-3dlab p {
        color: var(--muted);
        font-size: 1.1rem;
        margin-top: 1rem;
    }

/* 3D Lab-specific Section Layout */
.lab-section {
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(14px);
    border-radius: 22px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.06);
    padding: clamp(2rem, 5vw, 4rem);
    margin-top: 3rem;
    position: relative;
    z-index: 2;
    transition: all .3s ease;
}

    .lab-section:hover {
        background: rgba(255,255,255,0.75);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }

    /* Subtle accent lines */
    .lab-section hr {
        border: 1px solid rgba(170,108,57,0.25);
        width: 60px;
        margin: 1rem auto;
    }

/* Lab-specific button tweaks */
.btn-lab {
    background: linear-gradient(135deg, #b88652, #cda578);
    color: #fff !important;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    padding: .8rem 1.4rem;
    box-shadow: 0 6px 16px rgba(184,134,82,0.35);
    transition: var(--transition);
}

    .btn-lab:hover {
        background: linear-gradient(135deg, #cda578, #b88652);
        transform: translateY(-1px);
    }





/* Glassy Share Box */
.share-box {
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(14px);
    border-radius: 18px;
    padding: 1.5rem 2rem;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

/* Overlay Info unten rechts */
.viewer-info {
    position: fixed;
    bottom: 18px;
    right: 18px;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    padding: .55rem 1rem;
    font-size: .85rem;
    z-index: 10;
    text-align: left;
}

.btn-lab, .btn-cta-sm, .btn-outline-cta-sm {
    font-weight: 600;
    border-radius: 12px;
    padding: .6rem 1.2rem;
    transition: all .25s ease;
}


.btn-outline-cta-sm {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

    .btn-outline-cta-sm:hover {
        background: var(--primary);
        color: #fff;
    }



/* =========================================================
   3D-Lab Upload Section Polishing (v3.9)
   ========================================================= */

.upload-lab {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.upload-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px) saturate(140%);
    border-radius: 24px;
    box-shadow: 0 10px 32px rgba(0,0,0,0.06);
    max-width: 640px;
    transition: all .3s ease;
}

    .upload-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 14px 40px rgba(0,0,0,0.08);
    }

.upload-form .form-control {
    padding: 0.6rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.03);
    min-width: 220px;
}

.btn-upload {
    min-width: 140px;
    box-shadow: 0 6px 18px rgba(184,134,82,0.25);
}

.file-input-wrapper input[type="file"]::-webkit-file-upload-button {
    background: linear-gradient(135deg, #b88652, #cda578);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .25s ease;
}

    .file-input-wrapper input[type="file"]::-webkit-file-upload-button:hover {
        background: var(--secondary);
    }

.fade-in {
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* =========================================================
   3D-Lab Upload (Refined CDL-Style)
   ========================================================= */

.upload-card.refined {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px) saturate(160%);
    border-radius: 28px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    max-width: 680px;
    transition: all .3s ease;
}

    .upload-card.refined:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 38px rgba(0, 0, 0, 0.08);
    }

/* File Input */
.file-input {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    min-width: 240px;
    background-color: #fff;
    color: #444;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.03);
}

/* Upload Button */
.btn-upload {
    background: linear-gradient(135deg, #d3b792, #b99766);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    transition: all .25s ease;
    box-shadow: 0 4px 16px rgba(185, 151, 102, 0.35);
}

    .btn-upload:hover {
        background: linear-gradient(135deg, #c9a16f, #a67945);
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(166, 121, 69, 0.35);
    }

/* Typography adjustments */
.upload-card h2 {
    font-size: 1.9rem;
    color: #3c3c3c;
    letter-spacing: 0.5px;
}

.upload-card p {
    line-height: 1.6;
}

.upload-card strong {
    color: #a77d4f;
}

/* Responsive breathing room */
@media (max-width: 768px) {
    .upload-card.refined {
        padding: 2.5rem 1.5rem;
    }

    .btn-upload {
        width: 100%;
    }
}


/* =========================================================
   CDL 3D-Lab – Horizontal Rule Styling (lab-hr)
   ========================================================= */

.lab-hr {
    width: 100%;
    max-width: 60%; /* dezente Breite unter dem Titel */
    height: 3px;
    margin: 1rem auto 2rem auto; /* schöner Abstand */
    border: none;
    border-radius: 3px;
    background: linear-gradient( 90deg, rgba(184, 134, 82, 0) 0%, rgba(184, 134, 82, 0.55) 50%, rgba(184, 134, 82, 0) 100% );
    box-shadow: 0 0 12px rgba(184, 134, 82, 0.25);
    opacity: 0.9;
    transition: all 0.4s ease;
}

    .lab-hr:hover {
        transform: scaleX(1.05);
        opacity: 1;
        box-shadow: 0 0 18px rgba(184, 134, 82, 0.35);
    }


/* AR info badge (unten rechts) */
.viewer-info.ar-info {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    font-size: 0.85rem;
    text-align: left;
    z-index: 50;
}

    .viewer-info.ar-info small:first-child {
        color: var(--primary);
        font-weight: 600;
    }

    .viewer-info.ar-info::before {
        content: "🪄";
        margin-right: .35rem;
    }

/* Optional: leichtes Einblenden des QR-Codes */
#qrContainer {
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}


/* =========================================================
   CDL 3D-Lab – Index Styling
   ========================================================= */
.lab-entry {
    transition: all 0.35s ease;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}

    .lab-entry:hover {
        transform: translateY(-6px);
        box-shadow: 0 6px 22px rgba(0,0,0,0.1);
    }

.lab-title {
    font-weight: 600;
    color: #3a3a3a;
}

.lab-desc {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.entry-thumb img {
    object-fit: cover;
}

/* CTA Buttons */
.btn-cta, .btn-outline-cta {
    min-width: 180px;
    font-weight: 600;
    border-radius: 10px;
}


/* =========================================================
   AR Upload – Responsive Fix (v3.10)
   ========================================================= */
@media (max-width: 768px) {
    .upload-form {
        flex-direction: column !important;
        align-items: stretch !important;
    }

        .upload-form .form-control,
        .upload-form .btn {
            width: 100% !important;
            min-width: unset !important;
        }

    .upload-card.refined {
        padding: 2rem 1.5rem !important;
    }
}