/* ============================================
   UI COMPONENTS - MINIMAL
   ============================================ */

/* ============= SPLASH SCREEN ============= */
.splash-screen {
    position: fixed;
    inset: 0;
    z-index: var(--z-max);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
}

.splash-screen.hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.splash-logo {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-6);
    color: var(--color-accent-primary);
    opacity: 0.8;
}

.splash-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    margin-bottom: var(--space-2);
    text-align: center;
}

.splash-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    text-align: center;
}

.language-selector {
    display: flex;
    gap: var(--space-3);
}

.lang-btn {
    display: flex;
    flex-direction: column;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    gap: var(--space-2);
    padding: var(--space-4);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast);
    min-width: 100px;
    width: 100%;
    /* Ensure full width in flex item */
    color: var(--color-text-primary);
}

.lang-btn:hover {
    border-color: var(--color-accent-primary);
}

.lang-btn .flag {
    font-size: 2.5rem;
    line-height: 1;
    display: block;
    margin-bottom: 4px;
}

.lang-btn .lang-name {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    display: block;
    width: 100%;
}

/* ============= LANGUAGE SWITCHER ============= */
.lang-switcher {
    position: relative;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast);
    color: var(--color-text-primary);
}

.lang-switcher-btn:hover {
    border-color: var(--color-accent-primary);
}

.lang-switcher-btn .lang-code {
    font-size: var(--text-xs);
    font-weight: 500;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-1);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
}

.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--text-sm);
}

.lang-dropdown-item:hover {
    background: var(--color-bg-tertiary);
}

.lang-dropdown-item.active {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

/* ============= MODAL ============= */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: var(--color-bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    z-index: 10;
    width: 102px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--color-text-primary);
}

.modal-close:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.modal-close svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ============= HOTSPOT MODAL ============= */
/* Main hotspot modal styles are in viewer.css */

/* Carousel - Simple */
.carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--color-bg-primary);
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform var(--transition-base);
}

.carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.carousel-nav {
    position: absolute;
    bottom: var(--space-2);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-1);
}

.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.carousel-dot.active {
    background: var(--color-text-primary);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.carousel-arrow:hover {
    opacity: 1;
}

.carousel-arrow svg {
    width: 16px;
    height: 16px;
    fill: var(--color-text-primary);
}

.carousel-arrow.prev {
    left: var(--space-2);
}

.carousel-arrow.next {
    right: var(--space-2);
}

/* Hotspot Content */
.hotspot-body {
    padding: var(--space-4);
}

.hotspot-title {
    font-size: var(--text-lg);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.hotspot-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============= AUDIO PLAYER ============= */
.audio-player {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    margin-top: var(--space-3);
}

.audio-btn {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.audio-btn:hover {
    background: var(--color-accent-secondary);
}

.audio-btn svg {
    width: 18px;
    height: 18px;
    fill: var(--color-bg-primary);
}

.audio-info {
    flex: 1;
    min-width: 0;
}

.audio-title {
    font-size: var(--text-xs);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.audio-progress {
    height: 3px;
    background: var(--color-bg-card);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.audio-progress-bar {
    height: 100%;
    background: var(--color-accent-primary);
    border-radius: var(--radius-full);
}

.audio-time {
    font-size: 10px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ============= VIDEO POPUP ============= */
.video-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: var(--color-bg-overlay);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.video-popup-overlay.open {
    opacity: 1;
    visibility: visible;
}

.video-popup {
    position: relative;
    width: 100%;
    max-width: 300px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.video-popup-title {
    font-size: var(--text-xs);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.video-popup-title svg {
    width: 16px;
    height: 16px;
    fill: var(--color-accent-primary);
}

.video-popup-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    margin-top: 4px;
    /* Move slightly lower */
}

.video-popup-close svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 9/16;
    background: var(--color-bg-primary);
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.video-play-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.video-play-btn svg {
    width: 16px;
    height: 16px;
    fill: var(--color-bg-primary);
}

.video-progress {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.video-progress-bar {
    height: 100%;
    background: var(--color-accent-primary);
    border-radius: var(--radius-full);
}

/* Video Avatar Button */
.video-avatar-btn {
    position: fixed;
    bottom: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-sticky);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.video-avatar-btn:hover {
    background: var(--color-accent-secondary);
}

.video-avatar-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--color-bg-primary);
}

.video-avatar-btn .pulse-ring {
    display: none;
}

/* ============= TOAST ============= */
.toast-container {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.toast.success {
    border-color: #22c55e;
}

.toast.error {
    border-color: #ef4444;
}

/* ============= TOOLTIP ============= */
.tooltip {
    position: absolute;
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.tooltip.visible {
    opacity: 1;
}

/* ============= TOUR INTRO PAGE ============= */
.tour-intro {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, rgba(10, 10, 15, 0.98) 100%);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tour-intro.open {
    opacity: 1;
    visibility: visible;
}

.tour-intro-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
}

.tour-intro-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
    animation: fadeInDown 0.8s ease-out 0.2s both;
}

.tour-intro-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--color-text-primary);
}

.tour-intro-close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent-primary);
    transform: rotate(90deg);
}

.tour-intro-close svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.tour-intro-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tour-intro-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.4s both;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tour-intro-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-primary), transparent);
    margin-bottom: var(--space-6);
    animation: expandWidth 0.8s ease-out 0.6s both;
}

.tour-intro-text {
    flex: 1;
    animation: fadeIn 1s ease-out 0.8s both;
}

.tour-intro-paragraph {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.tour-intro-paragraph:nth-child(1) {
    animation-delay: 0.8s;
}

.tour-intro-paragraph:nth-child(2) {
    animation-delay: 1s;
}

.tour-intro-paragraph:nth-child(3) {
    animation-delay: 1.2s;
}

.tour-intro-paragraph:nth-child(4) {
    animation-delay: 1.4s;
}

.tour-intro-paragraph::first-letter {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--color-accent-primary);
    float: left;
    line-height: 1;
    margin-right: var(--space-2);
}

.tour-intro-footer {
    margin-top: auto;
    padding-top: var(--space-8);
    animation: fadeInUp 0.8s ease-out 1.6s both;
}

.tour-intro-start-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tour-intro-start-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.tour-intro-start-btn:hover::before {
    transform: translateX(100%);
}

.tour-intro-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(var(--color-accent-primary-rgb, 212, 175, 55), 0.3);
}

.tour-intro-start-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.tour-intro-start-btn:hover svg {
    transform: translateX(4px);
}

.tour-intro-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--space-6);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    animation: pulse 2s ease-in-out infinite;
}

.tour-intro-scroll-hint svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    animation: bounce 1.5s ease-in-out infinite;
}

/* Tour Intro Video */
.tour-intro-video-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto var(--space-8) auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .tour-intro-video-container {
        max-width: 280px;
        margin-bottom: var(--space-6);
    }
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes expandWidth {
    from {
        width: 0;
        opacity: 0;
    }

    to {
        width: 60px;
        opacity: 1;
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(6px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
    .modal {
        max-height: 85vh;
        margin: 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    /* .hotspot-modal mobile styles are in viewer.css */

    .video-popup {
        max-width: 100%;
        border-radius: 0;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .video-popup-overlay .video-container {
        flex: 1;
        min-height: 0;
        aspect-ratio: auto;
    }

    .video-popup-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .language-selector {
        flex-direction: column;
        width: 100%;
        max-width: 240px;
    }

    .lang-btn {
        flex-direction: row;
        justify-content: flex-start;
        padding: var(--space-3);
    }

    .video-avatar-btn {
        width: 44px;
        height: 44px;
        bottom: var(--space-3);
        right: var(--space-3);
    }

    .video-avatar-btn svg {
        width: 20px;
        height: 20px;
    }

    /* Tour Intro Mobile */
    .tour-intro-content {
        padding: var(--space-4);
    }

    .tour-intro-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .tour-intro-paragraph {
        font-size: var(--text-sm);
        line-height: 1.7;
    }

    .tour-intro-paragraph::first-letter {
        font-size: 1.3em;
    }

    .tour-intro-close {
        width: 40px;
        height: 40px;
    }

    .tour-intro-start-btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
        margin-bottom: 100px;
    }
}