/* style.css - Complete 360° Viewer Styles with Round Flag Language Dropdown */

:root {
    --modal-bg-color: #f5f7fa;
    --modal-content-bg: #ffffff;
    --text-color: #333;
    --border-color: rgba(0, 0, 0, 0.1);
    --animation-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --gpu-acceleration: translateZ(0);
}

@media (prefers-color-scheme: dark) {
    :root { --modal-bg-color: #2c2c2e; --modal-content-bg: #1c1c1e; --text-color: #ffffff; --border-color: rgba(255,255,255,0.1); }
}

.universal-dark-mode { --modal-bg-color: #2c2c2e; --modal-content-bg: #434345; --text-color: #ffffff; --border-color: rgba(255,255,255,0.1); }
.universal-light-mode { --modal-bg-color: #f5f7fa; --modal-content-bg: #ffffff; --text-color: #333; --border-color: rgba(0,0,0,0.1); }

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; will-change: auto; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #fff; margin: 0; padding: 0; }

/* ─── PRELOADER ─── */
#preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #f5f5f5; display: none; align-items: center; justify-content: center; z-index: 1500; transition: opacity 1s ease; contain: layout style paint; }
@media (prefers-color-scheme: dark) { #preloader { background: #1a1a1a; } .loading-text { color: #ffffff; } .progress-container { background-color: #333333; } .logo-section img { filter: brightness(0) invert(1); } }
.universal-dark-mode #preloader { background: #1a1a1a; }
.universal-dark-mode .loading-text { color: #ffffff; }
.universal-dark-mode .progress-container { background-color: #333333; }
.universal-dark-mode .logo-section img { filter: brightness(0) invert(1); }
#preloader.active { display: flex; }
.view360-loader-content { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; padding: 2rem; width: 100%; max-width: 600px; }
.logo-section { display: flex; align-items: center; justify-content: center; }
.logo-section img { width: auto; height: 50px; object-fit: contain; filter: brightness(0) saturate(100%); }
.loading-text { font-size: 1.75rem; color: #3d3d3d; font-weight: 600; letter-spacing: 0.02em; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; text-align: center; white-space: nowrap; margin-top: -0.5rem; }
.progress-container { width: 100%; max-width: 400px; height: 12px; background-color: #d5d5d5; border-radius: 50px; overflow: hidden; position: relative; box-shadow: inset 0 1px 3px rgba(0,0,0,0.1); }
.progress-bar { height: 100%; background: #688e9c; width: 0%; border-radius: 50px; transition: width 0.4s cubic-bezier(0.4,0,0.2,1); position: relative; overflow: hidden; }
.progress-bar::after { display: none; }
@media (max-width: 768px) { .view360-loader-content { gap: 2rem; padding: 1.5rem; max-width: 90%; } .logo-section img { height: 40px; } .loading-text { font-size: 1.25rem; letter-spacing: 0.01em; } .progress-container { width: 85%; max-width: 350px; height: 10px; } }
@media (max-width: 480px) { .view360-loader-content { gap: 1.5rem; padding: 1rem; max-width: 95%; } .logo-section img { height: 35px; } .loading-text { font-size: 1rem; letter-spacing: 0; } .progress-container { width: 90%; max-width: 300px; height: 8px; } }
.view360-wave-text { display: none; }
.view360-fade-out { opacity: 0; pointer-events: none; }

/* ─── MAIN CONTAINER ─── */
.view360-main-container { text-align: center; padding: 2rem; }
.view360-subtitle { color: #666; margin-bottom: 2rem; font-size: 1.1rem; }
.view360-model-selector { margin-bottom: 1rem; }
.view360-model-selector select { padding: 10px 15px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.3); font-size: 14px; background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); transition: all var(--animation-timing) 0.3s; }
.view-360-btn { background: linear-gradient(90deg,#bd0023,#e4002b); color: white; border: none; padding: 1rem 2.5rem; font-size: 1.2rem; border-radius: 50px; cursor: pointer; transition: all var(--animation-timing) 0.3s; box-shadow: 0 10px 30px rgba(185,89,39,0.3); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; transform: var(--gpu-acceleration); }
.view-360-btn:hover { transform: translateY(-3px) var(--gpu-acceleration); box-shadow: 0 15px 40px rgba(185,89,39,0.4); }

/* ─── MODAL ─── */
.view360-modal { background: transparent; display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; will-change: transform,opacity; transition: background-color var(--animation-timing) 0.3s; contain: layout style paint; }
.view360-modal.active { display: flex; align-items: center; justify-content: center; }
.view360-modal-content { position: relative; width: 95%; height: 90%; max-width: 1200px; background: var(--modal-bg-color); border-radius: 20px; overflow: visible; box-shadow: 0 25px 50px rgba(0,0,0,0.3); transition: background-color var(--animation-timing) 0.3s; will-change: transform; contain: layout style; }
@media (prefers-color-scheme: dark) { .view360-modal-content { box-shadow: 0 25px 50px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.1); } }
.universal-dark-mode .view360-modal-content { box-shadow: 0 25px 50px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.1); }
.model-viewer-container { position: relative; width: 100%; height: 100%; border-radius: 20px; overflow: hidden; background: var(--modal-content-bg); transition: background-color var(--animation-timing) 0.3s; transform: var(--gpu-acceleration); contain: layout style paint; }
model-viewer { width: 100%; height: 100%; background-color: var(--modal-content-bg); --poster-color: transparent; --progress-mask: rgba(255,255,255,0.2); transition: background-color var(--animation-timing) 0.3s; transform: var(--gpu-acceleration); will-change: transform; contain: layout style paint; }

/* ─── CLOSE BUTTON ─── */
.view360-close { position: absolute; top: 20px; right: 20px; cursor: pointer; z-index: 1001; background: transparent; color: #666666; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all var(--animation-timing) 0.3s; box-shadow: none; border: 2px solid #666666; font-size: 20px; transform: var(--gpu-acceleration); }
@media (prefers-color-scheme: dark) { .view360-close { background: transparent; color: #ffffff; border: 2px solid rgba(255,255,255,0.8); } .view360-close:hover { background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,1); } }
.universal-dark-mode .view360-close { background: transparent; color: #ffffff; border: 2px solid rgba(255,255,255,0.8); }
.universal-dark-mode .view360-close:hover { background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,1); }
.view360-close:hover { background: rgba(255,255,255,0.1); color: #ffffff; border: 2px solid rgba(255,255,255,1); transform: scale(1.1) var(--gpu-acceleration); }
.tooltip-active .view360-close { opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.3s ease,visibility 0.3s ease; }
.view360-modal:has(.view360-tooltip-container.show) .view360-close,
.view360-modal-content:has(.view360-tooltip-container.show) .view360-close { opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.3s ease,visibility 0.3s ease; }

/* ─── LANGUAGE DROPDOWN — ROUND FLAG STYLE ─── */
.lang-dropdown-wrap {
    position: absolute;
    top: 20px;
    right: 60px;
    z-index: 1002;
    display: inline-block;
}

.lang-selected {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    border-radius: 30px;
    border: 0.5px solid rgba(0,0,0,0.15);
    background: #f3f3f3;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #222;
    user-select: none;
    transition: background 0.2s;
    min-width: 80px;
}

.lang-selected:hover { background: #e5e5e5; }

/* Round flag image */
.lang-flag-img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1.5px solid rgba(0,0,0,0.10);
    display: block;
}

.lang-arrow {
    font-size: 10px;
    color: #555;
    transition: transform 0.2s;
    line-height: 1;
    margin-left: auto;
}

.lang-arrow.open { transform: rotate(180deg); }

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: #ffffff;
    border: 0.5px solid rgba(0,0,0,0.12);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0,0,0,0.14);
    z-index: 1100;
    min-width: 120px;
    display: none;
    padding: 4px;
}

.lang-menu.show { display: block; }

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #222;
    border-radius: 10px;
    transition: background 0.15s;
}

.lang-option:hover { background: #f3f3f3; }

.lang-check {
    margin-left: auto;
    font-size: 12px;
    color: #555;
    display: none;
}

.lang-check.visible { display: inline; }

/* Dark mode */
@media (prefers-color-scheme: dark) {
    .lang-selected { background: rgba(44,44,46,0.95); color: #fff; border-color: rgba(255,255,255,0.18); }
    .lang-selected:hover { background: rgba(58,58,60,1); }
    .lang-arrow { color: #ccc; }
    .lang-menu { background: #2c2c2e; border-color: rgba(255,255,255,0.12); box-shadow: 0 8px 28px rgba(0,0,0,0.4); }
    .lang-option { color: #fff; }
    .lang-option:hover { background: rgba(255,255,255,0.08); }
    .lang-check { color: #aaa; }
    .lang-flag-img { border-color: rgba(255,255,255,0.15); }
}

.universal-dark-mode .lang-selected { background: rgba(44,44,46,0.95); color: #fff; border-color: rgba(255,255,255,0.18); }
.universal-dark-mode .lang-selected:hover { background: rgba(58,58,60,1); }
.universal-dark-mode .lang-arrow { color: #ccc; }
.universal-dark-mode .lang-menu { background: #2c2c2e; border-color: rgba(255,255,255,0.12); box-shadow: 0 8px 28px rgba(0,0,0,0.4); }
.universal-dark-mode .lang-option { color: #fff; }
.universal-dark-mode .lang-option:hover { background: rgba(255,255,255,0.08); }
.universal-dark-mode .lang-check { color: #aaa; }
.universal-dark-mode .lang-flag-img { border-color: rgba(255,255,255,0.15); }

/* Mobile */
@media (max-width: 480px) {
    .lang-dropdown-wrap { top: 60px; right: 15px; }
    .lang-selected { padding: 5px 10px 5px 5px; font-size: 13px; min-width: 72px; }
    .lang-flag-img { width: 24px; height: 24px; }
}

/* ─── HOTSPOT ─── */
.hotspot { position: absolute; width: 20px; height: 20px; border-radius: 50%; background: rgba(255,255,255,0.95); border: 1px solid rgba(146,139,126); box-shadow: rgb(146,139,126) 0px 0px 0px 0.5px; display: flex; align-items: center; justify-content: center; transition: all var(--animation-timing) 0.3s; cursor: pointer; z-index: 100; transform: var(--gpu-acceleration); will-change: transform,opacity; backface-visibility: hidden; pointer-events: auto; opacity: 1; contain: layout style; touch-action: manipulation; }
@media (prefers-color-scheme: dark) { .hotspot { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.3); box-shadow: rgba(255,255,255,0.3) 0px 0px 0px 0.5px; } .hotspot::before { background: rgb(255,255,255); } .hotspot.active { background: rgb(255,255,255); color: rgb(44,44,46); } .hotspot.active::after { color: rgb(44,44,46); } }
.universal-dark-mode .hotspot { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.3); box-shadow: rgba(255,255,255,0.3) 0px 0px 0px 0.5px; }
.universal-dark-mode .hotspot::before { background: rgb(255,255,255); }
.universal-dark-mode .hotspot.active { background: rgb(255,255,255); color: rgb(44,44,46); }
.universal-dark-mode .hotspot.active::after { color: rgb(44,44,46); }
.hotspot::before { content: ''; position: absolute; width: 6px; height: 6px; background: rgb(47,47,47); border-radius: 50%; }
.hotspot.active { color: rgb(255,255,255); background: rgb(47,47,47); }
.hotspot.active::before { display: none; }
.hotspot.active::after { content: '×'; position: absolute; color: rgb(146,139,126); font-size: 15px; font-weight: bold; line-height: 1; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.hotspot.disabled { opacity: 0.5 !important; pointer-events: none !important; cursor: not-allowed !important; }
.hotspot:not(.disabled) { transition: opacity 0.3s ease,transform 0.2s ease; }
.hotspot.disabled::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(128,128,128,0.3); border-radius: 50%; pointer-events: none; }
.hotspot { pointer-events: auto; cursor: pointer; z-index: 1000; }
@media (max-width: 768px),(pointer: coarse) { .hotspot { min-width: 20px; min-height: 20px; touch-action: manipulation; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; } .hotspot:active { transform: scale(0.95); } .hotspot:focus { outline: 2px solid #007AFF; outline-offset: 2px; } }
@media (max-width: 768px) { model-viewer { touch-action: pan-x pan-y; } model-viewer .hotspot { touch-action: manipulation; } }

/* ─── TOOLTIP ─── */
.view360-tooltip-container { position: fixed; z-index: 9999; background: rgba(255,255,255,0.97); color: var(--text-color); border-radius: 12px; padding: 12px 16px; min-width: 220px; max-width: 300px; width: max-content; box-shadow: 0 8px 32px rgba(0,0,0,0.18); backdrop-filter: blur(10px); border: 1px solid var(--border-color); opacity: 0; visibility: hidden; transition: opacity 0.25s ease,visibility 0.25s ease; pointer-events: none; will-change: opacity; top: 0; left: 0; }
@media (prefers-color-scheme: dark) { .view360-tooltip-container { background: rgba(44,44,46,0.97); box-shadow: 0 8px 32px rgba(0,0,0,0.4); } }
.universal-dark-mode .view360-tooltip-container { background: rgba(44,44,46,0.97); box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.view360-tooltip-container.show { opacity: 1; visibility: visible; pointer-events: auto; }
.view360-tooltip-container::after { content: ''; position: absolute; right: -8px; top: 50%; transform: translateY(-50%); border-width: 8px 0 8px 8px; border-style: solid; border-color: transparent transparent transparent rgba(255,255,255,0.97); }
@media (prefers-color-scheme: dark) { .view360-tooltip-container::after { border-color: transparent transparent transparent rgba(44,44,46,0.97); } }
.universal-dark-mode .view360-tooltip-container::after { border-color: transparent transparent transparent rgba(44,44,46,0.97); }
.view360-tooltip-container.arrow-left::after { right: auto; left: -8px; border-width: 8px 8px 8px 0; border-color: transparent rgba(255,255,255,0.97) transparent transparent; }
@media (prefers-color-scheme: dark) { .view360-tooltip-container.arrow-left::after { border-color: transparent rgba(44,44,46,0.97) transparent transparent; } }
.universal-dark-mode .view360-tooltip-container.arrow-left::after { border-color: transparent rgba(44,44,46,0.97) transparent transparent; }
.view360-tooltip-content { text-align: left; position: relative; }
.view360-tooltip-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; gap: 8px; }
.view360-tooltip-title { font-size: 14px; font-weight: 600; color: var(--text-color); line-height: 1.3; flex: 1; margin: 0; }
.view360-tooltip-description { font-size: 12px; color: var(--text-color); opacity: 0.8; line-height: 1.5; margin: 0; }
.view360-tooltip-close { background: none; border: none; color: var(--text-color); font-size: 16px; cursor: pointer; padding: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; width: 20px; height: 20px; transition: all 0.3s ease; flex-shrink: 0; margin-left: 4px; position: relative; box-shadow: none; }
.view360-tooltip-close:hover { background: none; transform: scale(1.2); opacity: 0.7; }
.view360-tooltip-close:active { transform: scale(1.1); }
@media (prefers-color-scheme: dark) { .view360-tooltip-close { background: none; border: none; box-shadow: none; color: rgba(255,255,255,0.9); } .view360-tooltip-close:hover { background: none; box-shadow: none; opacity: 0.6; } }
.universal-dark-mode .view360-tooltip-close { background: none; border: none; box-shadow: none; color: rgba(255,255,255,0.9); }
.universal-dark-mode .view360-tooltip-close:hover { background: none; box-shadow: none; opacity: 0.6; }
.view360-tooltip-close .close-icon { line-height: 1; font-weight: normal; font-size: 18px; }
.view360-tooltip-close:hover .close-icon { color: #999; }
.universal-dark-mode .view360-tooltip-close:hover .close-icon { color: rgba(255,255,255,0.6); }
@media (max-width: 768px) { .view360-tooltip-container { min-width: 180px; max-width: 240px; padding: 10px 12px; } .view360-tooltip-title { font-size: 13px; } .view360-tooltip-description { font-size: 11px; } }
@media (max-width: 480px) { .view360-tooltip-container { min-width: 160px; max-width: 200px; padding: 8px 10px; } .view360-tooltip-title { font-size: 12px; } .view360-tooltip-description { font-size: 10px; } }

/* ─── AR BUTTON ─── */
.view-space-btn { position: absolute; bottom: 20px; left: 20px; background: #f3f3f3; color: #272729; border: 1px solid var(--border-color); padding: 12px 20px; border-radius: 5px; cursor: pointer; font-size: 14px; font-weight: 500; transition: all var(--animation-timing) 0.3s; box-shadow: 0 4px 15px rgba(0,0,0,0.1); display: flex; align-items: center; gap: 8px; z-index: 100; transform: var(--gpu-acceleration); width: auto; min-width: auto; height: auto; }
.view-space-btn img { transition: all var(--animation-timing) 0.3s; will-change: filter; flex-shrink: 0; }
.view-space-btn span { white-space: nowrap; display: inline-block; visibility: visible; opacity: 1; }
@media (prefers-color-scheme: dark) { .view-space-btn { background: rgba(44,44,46,0.95); color: #ffffff; box-shadow: 0 4px 15px rgba(0,0,0,0.3); } .view-space-btn:hover { background: rgba(58,58,60,1); box-shadow: 0 6px 20px rgba(0,0,0,0.4); } }
.universal-dark-mode .view-space-btn { background: rgba(44,44,46,0.95); color: #ffffff; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.universal-dark-mode .view-space-btn:hover { background: rgba(58,58,60,1); box-shadow: 0 6px 20px rgba(0,0,0,0.4); }
.view-space-btn:hover { background: white; transform: translateY(-2px) var(--gpu-acceleration); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* ─── BOTTOM NAV ─── */
.view360-bottom-nav { position: absolute; bottom: 50%; right: 0px; transform: translateX(-50%) var(--gpu-acceleration); display: flex; flex-direction: column; gap: 0; background: #f3f3f3; border-radius: 20px; padding: 4px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); z-index: 100; border: 1px solid var(--border-color); transition: all var(--animation-timing) 0.3s; width: fit-content; min-width: auto; max-width: 90vw; }
@media (prefers-color-scheme: dark) { .view360-bottom-nav { background: rgba(44,44,46,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.3); } }
.universal-dark-mode .view360-bottom-nav { background: rgba(44,44,46,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.view360-nav-tab { background: transparent; border: none; padding: 12px 20px; cursor: pointer; font-size: 14px; font-weight: 500; border-radius: 20px; transition: all var(--animation-timing) 0.3s; color: var(--text-color); white-space: nowrap; }
.view360-nav-tab:hover { background: rgba(0,0,0,0.05); }
@media (prefers-color-scheme: dark) { .view360-nav-tab:hover { background: rgba(255,255,255,0.1); } }
.universal-dark-mode .view360-nav-tab:hover { background: rgba(255,255,255,0.1); }
.view360-nav-tab.active { background: #666666; color: white; }

/* ─── HOTSPOT BUTTONS ─── */
.view360-hotspot-buttons { position: absolute; bottom: 20px; left: 30%; right: auto; max-width: calc(100% - 520px); transform: none; display: flex; flex-wrap: nowrap; overflow-x: scroll; overflow-y: hidden; justify-content: flex-start; width: auto; gap: 4px; background: #f3f3f3; border-radius: 25px; padding: 8px 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); z-index: 100; border: 1px solid var(--border-color); backdrop-filter: blur(10px); scrollbar-width: none; -ms-overflow-style: none; -webkit-overflow-scrolling: touch; scroll-behavior: smooth; }
.view360-hotspot-buttons::-webkit-scrollbar { display: none; }
@media (prefers-color-scheme: dark) { .view360-hotspot-buttons { background: rgba(44,44,46,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.3); } }
.universal-dark-mode .view360-hotspot-buttons { background: rgba(44,44,46,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.hotspot-point-btn { background: transparent; border: none; padding: 8px 12px; cursor: pointer; font-size: 13px; font-weight: 500; border-radius: 20px; transition: all var(--animation-timing) 0.3s; color: #272729; white-space: nowrap; position: relative; overflow: hidden; flex-shrink: 0; }
.hotspot-point-btn:hover { background: rgba(0,0,0,0.05); transform: translateY(-1px); }
@media (prefers-color-scheme: dark) { .hotspot-point-btn:hover { background: rgba(255,255,255,0.1); } .hotspot-point-btn { color: #ffffff; } .hotspot-point-btn.active { background: #888888; color: #ffffff; } }
.universal-dark-mode .hotspot-point-btn:hover { background: rgba(255,255,255,0.1); }
.universal-dark-mode .hotspot-point-btn { color: #ffffff; }
.universal-dark-mode .hotspot-point-btn.active { background: #888888; color: #ffffff; }
.hotspot-point-btn.active { background: #666666; color: white; box-shadow: 0 2px 8px rgba(0 0 0/30%); }
.hotspot-point-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── LED BUTTON ─── */
.led-btn { position: absolute; top: 20px; left: 20px; background: #f3f3f3; color: #333; border: 1px solid var(--border-color); padding: 10px 20px; border-radius: 5px; cursor: pointer; font-size: 14px; font-weight: 500; transition: all var(--animation-timing) 0.3s; box-shadow: 0 4px 15px rgba(0,0,0,0.1); display: none; align-items: center; gap: 8px; z-index: 100; }
@media (prefers-color-scheme: dark) { .led-btn { background: rgba(44,44,46,0.95); color: #ffffff; box-shadow: 0 4px 15px rgba(0,0,0,0.3); } .led-btn:hover { background: rgba(58,58,60,1); box-shadow: 0 6px 20px rgba(0,0,0,0.4); } }
.universal-dark-mode .led-btn { background: rgba(44,44,46,0.95); color: #ffffff; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.universal-dark-mode .led-btn:hover { background: rgba(58,58,60,1); box-shadow: 0 6px 20px rgba(0,0,0,0.4); }
#led-view-button.force-hidden { display: none; visibility: hidden; pointer-events: none; }
.led-btn .lighting-icon { filter: brightness(0) saturate(100%); }
@media (prefers-color-scheme: dark) { .led-btn .lighting-icon { filter: brightness(0) invert(1); } }
.universal-dark-mode .led-btn .lighting-icon { filter: brightness(0) invert(1); }

/* ─── QR MODAL ─── */
.view360-qr-modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.8); backdrop-filter: blur(5px); transition: background-color var(--animation-timing) 0.3s; }
@media (prefers-color-scheme: dark) { .view360-qr-modal { background-color: rgba(0,0,0,0.9); } }
.universal-dark-mode .view360-qr-modal { background-color: rgba(0,0,0,0.9); }
.view360-qr-modal.active { display: flex; align-items: center; justify-content: center; }
.view360-qr-modal-content { background: var(--modal-content-bg); color: var(--text-color); border-radius: 16px; padding: 2rem 1.5rem; text-align: center; max-width: 320px; width: 90%; box-shadow: 0 10px 40px rgba(0,0,0,0.15); position: relative; transition: all var(--animation-timing) 0.3s; }
@media (prefers-color-scheme: dark) { .view360-qr-modal-content { box-shadow: 0 10px 40px rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); } }
.universal-dark-mode .view360-qr-modal-content { box-shadow: 0 10px 40px rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); }
.view360-qr-close { position: absolute; top: 12px; right: 16px; color: var(--text-color); font-size: 20px; font-weight: normal; cursor: pointer; z-index: 2001; background: transparent; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all var(--animation-timing) 0.2s; border: none; line-height: 1; }
.view360-qr-title { font-size: 1.25rem; color: var(--text-color); margin-bottom: 0.75rem; font-weight: 600; letter-spacing: -0.02em; }
.view360-qr-description { color: var(--text-color); opacity: 0.8; margin-bottom: 1.5rem; font-size: 0.9rem; line-height: 1.4; max-width: 240px; margin-left: auto; margin-right: auto; }
.qr-code-container { margin: 1.5rem auto; padding: 0; background: transparent; border: none; display: flex; justify-content: center; }

/* ─── INSTRUCTION OVERLAY ─── */
@media (max-width: 768px) { #instruction-overlay { display: none; } }
.instruction-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: none; align-items: center; justify-content: center; background: rgba(0,0,0,0.5); z-index: 900; opacity: 0; transition: opacity 0.5s ease; pointer-events: none; }
.instruction-overlay.show { display: flex; opacity: 1; }
.instruction-overlay.hide { opacity: 0; }
.instruction-content { padding: 0; background: transparent; }
.instruction-text { display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 500; color: #fefdfd; text-shadow: 0 2px 8px rgba(0,0,0,0.8),0 0 20px rgba(0,0,0,0.6); }
.instruction-icon { font-size: 24px; display: flex; align-items: center; justify-content: center; font-weight: 700; }
@media (prefers-color-scheme: dark) { .instruction-overlay { background: rgba(0,0,0,0.7); } .instruction-text { color: #ffffff; font-weight: 700; text-shadow: 0 2px 10px rgba(0,0,0,0.9),0 0 25px rgba(0,0,0,0.7); } }
.universal-dark-mode .instruction-overlay { background: rgba(0,0,0,0.7); }
.universal-dark-mode .instruction-text { color: #ffffff; font-weight: 700; text-shadow: 0 2px 10px rgba(0,0,0,0.9),0 0 25px rgba(0,0,0,0.7); }
@media (max-width: 768px) { .instruction-content { padding: 0; margin: 0; background: transparent; } .instruction-text { font-size: 14px; font-weight: 700; } .instruction-icon { font-size: 20px; font-weight: 700; } }
@media (max-width: 480px) { .instruction-content { padding: 0; margin: 0; background: transparent; } .instruction-text { font-size: 13px; font-weight: 700; text-align: center; flex-direction: column; gap: 8px; } }

/* ─── HOTSPOT BUTTONS DARK MODE ─── */
@media (prefers-color-scheme: dark) { .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 4px 20px rgba(0,0,0,0.3); } }
.universal-dark-mode .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }

/* ─── RESPONSIVE 481px to 768px ─── */
@media (min-width: 481px) and (max-width: 768px) {
    .view360-modal-content { width: 100%; height: 83%; border-radius: 20px; }
    .view360-close { top: 15px; right: 15px; width: 25px; height: 25px; }
    .tooltip-active .view360-close { opacity: 0; visibility: hidden; pointer-events: none; }
    .lang-dropdown-wrap { top: 15px; right: 50px; }
    .view360-bottom-nav { position: fixed; bottom: 50%; right: 0px; transform: translateX(-50%) var(--gpu-acceleration); width: auto; max-width: calc(100vw - 20px); min-width: auto; display: flex; justify-content: center; gap: 2px; background: rgba(255,255,255,0.95); border-radius: 10px; padding: 6px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); z-index: 100; border: 1px solid var(--border-color); backdrop-filter: blur(10px); overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; }
    .view360-bottom-nav::-webkit-scrollbar { display: none; }
    .view360-nav-tab { flex: 0 0 auto; padding: 12px 10px; font-size: 12px; font-weight: 500; text-align: center; white-space: nowrap; min-width: auto; border-radius: 18px; transition: all var(--animation-timing) 0.3s; color: var(--text-color); background: transparent; border: none; cursor: pointer; overflow: visible; text-overflow: clip; }
    .view360-nav-tab:hover { background: rgba(0,0,0,0.05); }
    .universal-dark-mode .view360-nav-tab:hover { background: rgba(255,255,255,0.1); }
    .view360-nav-tab.active { background: #666666; color: white; transform: scale(1.02) var(--gpu-acceleration); }
    .hotspot { width: 20px; height: 20px; box-shadow: 0 0 0 12px transparent; }
    .led-btn { top: 10px; left: 20px; padding: 10px 18px; font-size: 13px; }
    .view360-hotspot-buttons { bottom: 10px; left: 30%; right: auto; max-width: calc(100% - 375px); width: auto; justify-content: flex-start; overflow-x: scroll; overflow-y: hidden; padding: 8px 12px; gap: 4px; }
    .hotspot-point-btn { flex-shrink: 0; padding: 5px 10px; font-size: 11px; }
    .view-space-btn { position: absolute; bottom: 10px; left: 20px; padding: 10px 15px; font-size: 12px; }
}

/* ─── RESPONSIVE 480px and below ─── */
@media (max-width: 480px) {
    .view360-bottom-nav { position: fixed; top: 15px; bottom: auto; left: 50%; right: auto; transform: translateX(-50%); width: auto; max-width: calc(100vw - 100px); min-width: auto; display: flex; flex-direction: row; justify-content: center; gap: 2px; background: #f3f3f3; border-radius: 25px; padding: 4px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); z-index: 100; border: 1px solid var(--border-color); backdrop-filter: blur(10px); overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; }
    .view360-nav-tab { flex: 0 0 auto; padding: 10px 16px; font-size: 11px; font-weight: 500; text-align: center; white-space: nowrap; min-width: auto; border-radius: 20px; transition: all var(--animation-timing) 0.3s; color: var(--text-color); background: transparent; border: none; cursor: pointer; }
    .view360-close { position: absolute; top: 20px; right: 20px; width: 25px; height: 25px; z-index: 1001; }
    .lang-dropdown-wrap { top: 60px; right: 15px; }
    .led-btn { position: absolute; top: 105px; right: 15px; left: auto; padding: 10px; font-size: 13px; border-radius: 10px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
    .led-btn span,.led-btn .led-text { display: none; }
    .led-btn img,.led-btn svg,.led-btn .led-icon { display: block; width: 20px; height: 20px; }
    .view360-modal-content .view360-hotspot-buttons,.model-viewer-container .view360-hotspot-buttons { position: fixed; bottom: 70px; left: 15px; right: 15px; max-width: calc(100% - 30px); width: auto; justify-content: flex-start; overflow-x: scroll; overflow-y: hidden; padding: 5px 10px; border-radius: 25px; background: #f3f3f3; }
    .hotspot-point-btn { flex-shrink: 0; padding: 7px 10px; font-size: 11px; white-space: nowrap; }
    .view360-modal-content .view-space-btn,.model-viewer-container .view-space-btn { position: fixed; bottom: 50px; left: 15px; right: 15px; transform: none; width: calc(100% - 30px); max-width: none; height: auto; min-height: auto; padding: 8px 15px; display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 10px; background: #666666; color: #ffffff; border: 1px solid var(--border-color); border-radius: 15px; font-size: 14px; font-weight: 600; box-shadow: 0 4px 20px rgba(0,0,0,0.15); white-space: nowrap; overflow: visible; opacity: 1; visibility: visible; z-index: 100; }
    .view360-modal-content .view-space-btn img,.model-viewer-container .view-space-btn img { width: 24px; height: 24px; min-width: 24px; min-height: 24px; flex-shrink: 0; display: block; }
    .view360-modal-content .view-space-btn span,.model-viewer-container .view-space-btn span { display: inline; font-size: 14px; line-height: 1.2; visibility: visible; opacity: 1; font-weight: 600; white-space: nowrap; overflow: visible; flex-shrink: 0; color: inherit; }
    .view360-modal-content .view-space-btn:hover,.model-viewer-container .view-space-btn:hover { background: #666666; box-shadow: 0 6px 20px rgba(0,0,0,0.2); transform: translateY(-1px); }
    .view360-modal-content { width: 100%; height: 100%; border-radius: 0; }
    .view360-nav-tab.active { background: #666666; color: white; transform: scale(1.02); }
    .view360-nav-tab:hover { background: rgba(0,0,0,0.05); }
    #ar-icon { filter: brightness(0) invert(1) !important; }
    .led-btn .lighting-icon { filter: brightness(0) saturate(100%) !important; }
    @media (prefers-color-scheme: dark) {
        .view360-nav-tab:hover { background: rgba(255,255,255,0.1); }
        .view360-nav-tab.active { background: #e4002b; color: white; }
        .led-btn .lighting-icon { filter: brightness(0) saturate(100%) !important; }
        .view360-modal-content .view360-hotspot-buttons,.model-viewer-container .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); }
        .hotspot-point-btn { color: #ffffff; }
        .hotspot-point-btn.active { background: #888888; color: #ffffff; }
    }
    .universal-dark-mode .view360-nav-tab:hover { background: rgba(255,255,255,0.1); }
    .universal-dark-mode .view360-nav-tab.active { background: #666666; color: white; }
    .universal-dark-mode .led-btn .lighting-icon { filter: brightness(0) saturate(100%) !important; }
    .universal-dark-mode .view360-modal-content .view360-hotspot-buttons,.universal-dark-mode .model-viewer-container .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); }
    .universal-dark-mode .hotspot-point-btn { color: #ffffff; }
    .universal-dark-mode .hotspot-point-btn.active { background: #888888; color: #ffffff; }
}

/* ─── RESPONSIVE 360px and below ─── */
@media (max-width: 360px) {
    .view360-bottom-nav { max-width: calc(100vw - 80px); padding: 3px; }
    .view360-nav-tab { padding: 8px 12px; font-size: 10px; }
    .view360-modal-content .view360-hotspot-buttons,.model-viewer-container .view360-hotspot-buttons { left: 15px; right: 15px; max-width: calc(100% - 20px); width: auto; justify-content: flex-start; overflow-x: scroll; padding: 6px 8px; }
    .hotspot-point-btn { flex-shrink: 0; padding: 8px 8px; font-size: 11px; white-space: nowrap; }
    .view360-modal-content .view-space-btn,.model-viewer-container .view-space-btn { bottom: 50px; padding: 8px 14px; font-size: 13px; }
    .view360-modal-content .view-space-btn img,.model-viewer-container .view-space-btn img { width: 22px; height: 22px; }
    .view360-modal-content .view-space-btn span,.model-viewer-container .view-space-btn span { font-size: 13px; }
    .led-btn { top: 105px; right: 15px; padding: 8px; width: 36px; height: 36px; }
    .led-btn img,.led-btn svg,.led-btn .led-icon { width: 18px; height: 18px; }
    @media (prefers-color-scheme: dark) {
        .led-btn { background: rgba(255,255,255,0.95); color: #ffffff; }
        .led-btn img,.led-btn svg,.led-btn .led-icon { filter: brightness(0) invert(1); }
        .led-btn .lighting-icon { filter: brightness(0) saturate(100%); }
        .view360-modal-content .view360-hotspot-buttons,.model-viewer-container .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); }
        .hotspot-point-btn { color: #ffffff; }
    }
    .universal-dark-mode .led-btn { background: rgba(255,255,255,0.95); color: #ffffff; }
    .universal-dark-mode .led-btn img,.universal-dark-mode .led-btn svg,.universal-dark-mode .led-btn .led-icon { filter: brightness(0) invert(0); }
    .universal-dark-mode .led-btn .lighting-icon { filter: brightness(0) saturate(100%); }
    .universal-dark-mode .view360-modal-content .view360-hotspot-buttons,.universal-dark-mode .model-viewer-container .view360-hotspot-buttons { background: rgba(44,44,46,0.95); border: 1px solid rgba(255,255,255,0.1); }
    .universal-dark-mode .hotspot-point-btn { color: #ffffff; }
}