/* THREE.JS SECTION STYLES - MOBILE OPTIMIZED */
body {
    background-color: #f0f2f5;
    margin: 0;
    overflow-x: hidden;
    font-family: 'Segoe UI', sans-serif;
    user-select: none;
    /* Enable smooth scrolling on all devices */
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.three-js-section {
    height: 100vh;
    width: 100%;
    position: relative;
    margin-top: 90px;
    z-index: 5;
    /* Allow vertical scrolling while preventing horizontal scroll */
    overflow-x: hidden;
    overflow-y: visible;
}

.viewer-wrapper {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #ffffff 0%, #dbe4eb 100%);
    position: relative;
}

#bottle-canvas {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
    cursor: grab;
}

#bottle-canvas:active {
    cursor: grabbing;
}

/* UI CONTROLS - REPOSITIONED TO RIGHT SIDE */
.ui-dock {
    position: absolute;
    top: 25%;
    right: 30px;
    width: 280px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 20px;
    z-index: 20;
    pointer-events: none;
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
    will-change: background-color, color, transform;
}

/* NEW SEPARATED UI CONTAINERS FOR MOBILE OPTIMIZATION */
.wash-button-container {
    position: absolute;
    top: 20%; /* Higher position to avoid bottle conflict */
    right: 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    z-index: 25;
    pointer-events: none;
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
    will-change: background-color, color, transform;
}

/* WASH BUTTON BELOW TITLE - MOBILE ONLY */
.wash-button-below-title {
    display: none; /* Hidden by default, shown on mobile */
    margin-top: 20px;
    width: 100%;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

/* DESKTOP ONLY ELEMENTS */
.desktop-only {
    display: flex; /* Shown on desktop */
}

/* MOBILE ONLY ELEMENTS */
.mobile-only {
    display: none; /* Hidden on desktop, shown on mobile */
}

.bottom-ui-container {
    position: absolute;
    bottom: 100px; /* Default desktop position (hidden anyway) */
    left: 50%;
    transform: translateX(-50%);
    display: none; /* Hidden by default - only shown on mobile */
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 20;
    pointer-events: none;
    width: 90%;
    max-width: 400px;
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
    will-change: background-color, color, transform;
}

.pet-wash-tagline {
    pointer-events: auto;
    margin-bottom: 0;
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
    will-change: background-color, color, transform;
}

.tagline-text {
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    text-align: center;
    white-space: nowrap;
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
}

.action-row {
    display: flex;
    gap: 15px;
    pointer-events: auto;
    justify-content: flex-end;
}

.btn-3d {
    border: none;
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.btn-wash {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    /* Ensure button is always visible on all devices */
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 25 !important;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-3d:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 15px 35px rgba(0,0,0,0.35);
}

.btn-3d:active {
    transform: scale(0.95);
}

.btn-3d:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.controls-hint {
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    transition: 
        background-color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        color 800ms cubic-bezier(0.23, 1, 0.32, 1),
        transform 0.3s ease;
    will-change: background-color, color, transform;
}

/* RESPONSIVE THREE.JS - ENHANCED MOBILE WITH PROPER SCROLLING */
@media (max-width: 768px) {
    .three-js-section {
        margin-top: 80px;
        touch-action: pan-y;
        overflow-y: visible;
    }
    
    /* Hide desktop elements on mobile */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile elements */
    .mobile-only {
        display: flex !important;
    }
    
    /* Show wash button below title on mobile */
    .wash-button-below-title {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 30 !important;
        margin-top: 25px !important;
        width: 100% !important;
        justify-content: center !important;
        align-items: center !important;
    }
    
    /* Style the luxury tagline for mobile with button */
    .luxury-tagline {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
        padding: 0 15px !important;
    }
    
    /* Mobile Bottom Elements - Lower to Avoid Cat Paws Merging */
    .bottom-ui-container {
        bottom: 120px !important; /* Lower position - clear of cat paws */
        left: 50% !important;
        transform: translateX(-50%) !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 25 !important;
        width: 95% !important;
        max-width: 350px !important;
        gap: 12px !important;
    }
    
    .tagline-text {
        font-size: 15px;
        padding: 12px 22px;
        white-space: normal;
        text-align: center;
    }
    
    .btn-3d {
        padding: 14px 28px;
        font-size: 16px;
        min-width: 160px;
        justify-content: center;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .controls-hint {
        font-size: 13px;
        padding: 8px 18px;
        background: rgba(0,0,0,0.8);
        text-align: center;
    }
    
    .pet-wash-tagline {
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .three-js-section {
        margin-top: 75px;
        touch-action: pan-y;
        overflow-y: visible;
    }
    
    /* Hide desktop elements on mobile */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile elements */
    .mobile-only {
        display: flex !important;
    }
    
    /* Wash button below title - smaller spacing */
    .wash-button-below-title {
        margin-top: 20px !important;
    }
    
    /* Luxury tagline adjustments */
    .luxury-tagline {
        padding: 0 12px !important;
    }
    
    /* Mobile Bottom Elements - Clear of Cat Paws */
    .bottom-ui-container {
        bottom: 100px !important; /* Lower for smaller screens */
        width: 95% !important;
        max-width: 320px !important;
        gap: 10px !important;
    }
    
    .tagline-text {
        font-size: 14px;
        padding: 10px 18px;
        white-space: normal;
        text-align: center;
    }
    
    .btn-3d {
        padding: 12px 24px;
        font-size: 15px;
        min-width: 140px;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .controls-hint {
        font-size: 12px;
        padding: 6px 15px;
    }
}

@media (max-width: 480px) {
    .three-js-section {
        touch-action: pan-y;
        overflow-y: visible;
        margin-top: 70px;
    }
    
    /* Hide desktop elements on mobile */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile elements */
    .mobile-only {
        display: flex !important;
    }
    
    /* Wash button below title - smaller spacing */
    .wash-button-below-title {
        margin-top: 18px !important;
    }
    
    /* Luxury tagline adjustments */
    .luxury-tagline {
        padding: 0 10px !important;
    }
    
    /* Mobile Bottom Elements - Clear of Cat Paws */
    .bottom-ui-container {
        bottom: 80px !important; /* Lower for small screens */
        width: 95% !important;
        max-width: 300px !important;
        gap: 8px !important;
    }
    
    .tagline-text {
        font-size: 13px;
        padding: 8px 16px;
        white-space: normal;
        text-align: center;
    }
    
    .btn-3d {
        padding: 10px 22px;
        font-size: 14px;
        min-width: 130px;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%) !important;
    }
    
    .controls-hint {
        font-size: 11px;
        padding: 5px 12px;
    }
}

/* MOBILE-FIRST WASH PET BUTTON VISIBILITY FIX */
@media (max-width: 768px) {
    /* Hide desktop elements completely */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile elements */
    .mobile-only {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 25 !important;
        position: absolute !important;
    }
    
    /* Ensure wash button below title is visible */
    .wash-button-below-title {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 30 !important;
        position: relative !important;
    }
    
    .action-row {
        /* Ensure action row is visible and centered */
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        justify-content: center !important; /* Center the button */
    }
    
    #wash-btn {
        /* Force wash button visibility on mobile */
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%) !important;
        color: white !important;
        border: none !important;
        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4) !important;
        transform: none !important;
        position: relative !important;
        z-index: 35 !important;
    }
    
    #wash-btn:hover {
        transform: translateY(-2px) scale(1.02) !important;
        box-shadow: 0 12px 30px rgba(255, 107, 107, 0.6) !important;
    }
}

/* EXTRA SMALL SCREENS - MAXIMUM VISIBILITY */
@media (max-width: 480px) {
    /* Wash button below title - even smaller spacing */
    .wash-button-below-title {
        margin-top: 15px !important;
    }
    
    /* Luxury tagline adjustments */
    .luxury-tagline {
        padding: 0 8px !important;
    }
    
    /* Mobile Bottom Elements - Clear of Cat Paws */
    .bottom-ui-container {
        bottom: 70px !important; /* Lower for extra small screens */
        width: 95% !important;
        max-width: 280px !important;
        gap: 6px !important;
    }
    
    #wash-btn {
        width: 100% !important;
        max-width: 140px !important;
        margin: 0 auto !important;
        font-size: 13px !important;
        padding: 10px 18px !important;
        min-height: 42px !important; /* Touch-friendly size */
    }
}

/* VERY SMALL SCREENS */
@media (max-width: 360px) {
    /* Wash button below title - smallest spacing */
    .wash-button-below-title {
        margin-top: 12px !important;
    }
    
    /* Luxury tagline adjustments */
    .luxury-tagline {
        padding: 0 6px !important;
    }
    
    /* Mobile Bottom Elements - Clear of Cat Paws */
    .bottom-ui-container {
        bottom: 60px !important; /* Lower for very small screens */
        width: 95% !important;
        max-width: 260px !important;
        gap: 5px !important;
    }
    
    #wash-btn {
        font-size: 12px !important;
        padding: 8px 16px !important;
        min-height: 40px !important;
        max-width: 130px !important;
    }
}

/* LANDSCAPE MOBILE - ENSURE BUTTON STAYS VISIBLE */
@media (max-height: 500px) and (orientation: landscape) {
    /* Wash button below title - minimal spacing for landscape */
    .wash-button-below-title {
        margin-top: 10px !important;
    }
    
    /* Luxury tagline adjustments */
    .luxury-tagline {
        padding: 0 10px !important;
    }
    
    /* Mobile Bottom Elements - Clear of Cat Paws */
    .bottom-ui-container {
        bottom: 50px !important; /* Lower for landscape */
        width: 90% !important;
        max-width: 250px !important;
        gap: 5px !important;
    }
    
    #wash-btn {
        padding: 6px 14px !important;
        font-size: 11px !important;
        min-height: 34px !important;
        max-width: 120px !important;
    }
    
    .pet-wash-tagline {
        margin-bottom: 10px !important;
    }
    
    .tagline-text {
        font-size: 11px !important;
        padding: 6px 12px !important;
    }
}