/* Animation System - Smooth Room Transitions */

/* Room Transition Classes - Fast camera panning */
.room-transition {
    pointer-events: none;
}

.room-transition * {
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* POV Rotation - Looking at left wall */
.room.view-left {
    transform: rotateY(30deg);
}

.room.view-left .left-wall {
    transform: perspective(800px) rotateY(0deg) scale(1.4) translateZ(100px);
    z-index: 5;
}

.room.view-left .back-wall {
    transform: perspective(800px) rotateY(-30deg) translateX(-15vw) scale(0.8);
    opacity: 0.7;
}

.room.view-left .right-wall {
    transform: perspective(800px) rotateY(-80deg) translateX(-20vw) scale(0.6);
    opacity: 0.4;
}

/* POV Rotation - Looking at right wall */
.room.view-right {
    transform: rotateY(-30deg);
}

.room.view-right .right-wall {
    transform: perspective(800px) rotateY(0deg) scale(1.4) translateZ(100px);
    z-index: 5;
}

.room.view-right .back-wall {
    transform: perspective(800px) rotateY(30deg) translateX(15vw) scale(0.8);
    opacity: 0.7;
}

.room.view-right .left-wall {
    transform: perspective(800px) rotateY(80deg) translateX(20vw) scale(0.6);
    opacity: 0.4;
}

/* Smooth Horizontal Pan - Camera movement */
.room.pan-to-left {
    transform: translateX(60vw) rotateY(-20deg);
}

.room.pan-to-left .left-wall {
    transform: perspective(800px) rotateY(0deg) scale(1.5) translateZ(100px);
    z-index: 5;
}

.room.pan-to-left .back-wall {
    transform: translateX(-40vw) scale(0.8);
    opacity: 0.6;
}

.room.pan-to-left .right-wall {
    transform: perspective(800px) rotateY(-70deg) translateX(-50vw) scale(0.7);
    opacity: 0.3;
}

.room.pan-to-right {
    transform: translateX(-60vw) rotateY(20deg);
}

.room.pan-to-right .right-wall {
    transform: perspective(800px) rotateY(0deg) scale(1.5) translateZ(100px);
    z-index: 5;
}

.room.pan-to-right .back-wall {
    transform: translateX(40vw) scale(0.8);
    opacity: 0.6;
}

.room.pan-to-right .left-wall {
    transform: perspective(800px) rotateY(70deg) translateX(50vw) scale(0.7);
    opacity: 0.3;
}

/* POV Forward - Looking at back wall (for content focus) */
.room.view-back .back-wall {
    transform: scale(1.6) translateZ(150px);
    z-index: 5;
}

.room.view-back .left-wall {
    transform: perspective(800px) rotateY(50deg) scale(0.7) translateZ(-100px);
    opacity: 0.5;
}

.room.view-back .right-wall {
    transform: perspective(800px) rotateY(-50deg) scale(0.7) translateZ(-100px);
    opacity: 0.5;
}

/* Content Loading Animations */
.content-enter {
    animation: contentFadeIn 0.2s ease-out forwards;
}

.content-exit {
    animation: contentFadeOut 0.15s ease-in forwards;
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes contentFadeOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
}

/* Museum Label Animations */
.museum-label {
    animation: labelSlideUp 0.25s ease-out 0.1s both;
}

@keyframes labelSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button Press Animations - 8-bit style */
.control-btn.pressed {
    animation: buttonPress 0.1s ease-out;
}

@keyframes buttonPress {
    0% {
        transform: translate(0, 0);
        box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow-color);
    }
    50% {
        transform: translate(2px, 2px);
        box-shadow: none;
    }
    100% {
        transform: translate(0, 0);
        box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow-color);
    }
}

/* Theme Toggle Rotation - Smooth transition */
.theme-toggle.changing .theme-icon {
    animation: themeRotate 0.3s ease-in-out;
}

@keyframes themeRotate {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(90deg) scale(1.1);
    }
    100% {
        transform: rotate(180deg);
    }
}

/* Loading Spinner - 8-bit square rotation */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(90deg);
    }
    50% {
        transform: rotate(180deg);
    }
    75% {
        transform: rotate(270deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Sitemap Slide In/Out */
.sitemap.entering {
    animation: sitemapSlideIn 0.2s ease-out;
}

.sitemap.exiting {
    animation: sitemapSlideOut 0.2s ease-in;
    animation-fill-mode: forwards;
}

@keyframes sitemapSlideIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(4px);
    }
}

@keyframes sitemapSlideOut {
    from {
        opacity: 1;
        backdrop-filter: blur(4px);
    }
    to {
        opacity: 0;
        backdrop-filter: blur(0);
    }
}

/* Hover Dither Effect - Cross-hatch pattern animation */
.wall:hover .content-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dither-pattern);
    opacity: 0;
    animation: ditherFadeIn 0.15s ease-out forwards;
    pointer-events: none;
    z-index: 1;
}

@keyframes ditherFadeIn {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 0.1;
        transform: scale(1);
    }
}

/* Error Toast Slide In */
.error.showing {
    animation: errorSlideIn 0.15s ease-out;
}

@keyframes errorSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Prefers Reduced Motion - Accessibility */
@media (prefers-reduced-motion: reduce) {
    /* Disable all animations for users who prefer reduced motion */
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .room-transition * {
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode - Accessibility */
@media (prefers-contrast: high) {
    .content-frame::before,
    .content-frame::after {
        display: none;
    }

    .wall:hover {
        outline: 3px solid var(--focus-outline);
    }
}

/* Performance Optimizations */
.wall,
.content-frame,
.control-btn {
    /* GPU acceleration for smooth animations */
    will-change: transform;
}

.room-transition .wall {
    /* Promote to composite layer during transitions */
    transform: translateZ(0);
}

/* Touch Device Adaptations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .wall:hover {
        transform: none;
    }

    .left-wall:hover {
        transform: perspective(1000px) rotateY(25deg) translateZ(-100px);
    }

    .right-wall:hover {
        transform: perspective(1000px) rotateY(-25deg) translateZ(-100px);
    }

    .wall:hover .content-frame::after {
        display: none;
    }

    /* Add active states for touch */
    .wall:active {
        transform: scale(0.98);
    }

    .left-wall:active {
        transform: perspective(1000px) rotateY(25deg) translateZ(-110px) scale(0.98);
    }

    .right-wall:active {
        transform: perspective(1000px) rotateY(-25deg) translateZ(-110px) scale(0.98);
    }
}