:root {
    --bg: #ffffff;
    --ink: #000000;
    --line: #000000;
    --panel: #f4f4f4;
    --panel-2: #ececec;
    --grid-dot: rgba(0, 0, 0, 0.18);
    --grid-line: rgba(0, 0, 0, 0.035);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    cursor: url("./assets/cursor/cursor.png") 15 10, auto;
}

body {
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 1px 1px, var(--grid-dot) 1px, transparent 0),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(0deg, var(--grid-line) 1px, transparent 1px);
    background-size: 8px 8px, 16px 16px, 16px 16px;
    color: var(--ink);
    font-family: "Courier New", Courier, monospace;
    font-size: 12px;
    line-height: 1.2;
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

body * {
    cursor: url("./assets/cursor/cursor.png") 15 10, auto;
}

html.negative-mode {
    background-color: #0b1018;
}

html.negative-mode::after {
    content: "";
    position: fixed;
    inset: 0;
    background: #fff;
    mix-blend-mode: difference;
    pointer-events: none;
    z-index: 14000;
}

#grain,
#scanlines {
    display: none;
}

#side-nav {
    position: fixed;
    top: 10px;
    left: 10px;
    width: 190px;
    border: 1px solid var(--line);
    background: var(--panel);
    padding: 8px;
    z-index: 400;
}

#side-nav h1 {
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 4px;
}

#side-nav a {
    display: block;
    text-decoration: none;
    color: var(--ink);
    border: 1px solid var(--line);
    padding: 2px 4px;
    margin-bottom: 4px;
    background: #fff;
    transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

#side-nav a:hover {
    border-color: #0a246a;
    background: linear-gradient(135deg, #000080 0%, #1084d7 100%);
    color: #fff;
}

#sidebar-media {
    position: fixed;
    top: 140px;
    bottom: 18px;
    left: 10px;
    width: 190px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    z-index: 350;
    gap: 8px;
}

#miku-banner {
    width: 100%;
    height: auto;
    display: block;
}

.oldweb-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    align-items: start;
}

.oldweb-button {
    width: 100%;
    height: auto;
    display: block;
}

#desktop-icons {
    position: absolute;
    left: 10px;
    top: 10px;
    width: calc(100% - 20px);
    display: flex;
    flex-direction: row;
    gap: 8px;
    z-index: 200;
    flex-wrap: wrap;
    padding: 8px;
    overflow: visible;
    max-height: 200px;
    pointer-events: auto;
    background: transparent;
}

.desktop-icon {
    width: auto;
    min-width: 120px;
    padding: 6px 8px;
    border: 2px outset #c0c0c0;
    background: linear-gradient(135deg, #dfdfdf 0%, #efefef 100%);
    color: var(--ink);
    font-size: 10px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: none;
    transition: all 0.1s;
    box-shadow: 1px 1px 0 rgba(255, 255, 255, 0.8) inset, -1px -1px 0 rgba(128, 128, 128, 0.5) inset;
}

.desktop-icon:hover {
    border-color: #0a246a;
    background: linear-gradient(135deg, #000080 0%, #1084d7 100%);
    color: #fff;
}

.desktop-icon:active {
    border-style: inset;
}

main#museum-floor {
    position: relative;
    margin-left: 210px;
    margin-right: 210px;
    margin-top: 8px;
    width: calc(100% - 420px);
    height: calc(100% - 8px);
    overflow: visible;
    z-index: 50;
}

.exhibit {
    position: absolute;
    min-width: 260px;
    max-width: 420px;
    padding: 6px;
    background: linear-gradient(165deg, #f7f9fc 0%, #d8dee7 100%);
    border: 1px solid #4f5b6e;
    outline: none;
    border-radius: 0;
    box-shadow: 1px 1px 0 rgba(255, 255, 255, 0.65) inset, -1px -1px 0 rgba(42, 48, 58, 0.4) inset, 0 2px 8px rgba(21, 25, 31, 0.22);
    user-select: none;
}

.exhibit.dragging {
    cursor: grabbing;
}

.exhibit-header {
    position: relative;
    overflow: hidden;
    margin-bottom: 6px;
    padding: 3px 58px 3px 6px;
    border: 1px solid #465264;
    background: linear-gradient(180deg, #d7dde7 0%, #b7c0ce 100%);
    color: var(--ink);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    white-space: nowrap;
}

.exhibit-header::before {
    content: ">> [ ";
}

.exhibit-header::after {
    content: " ]";
}

.header-marquee {
    display: inline-block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    vertical-align: top;
}

.header-marquee > span {
    display: inline-block;
    animation: none;
}

.exhibit-close {
    position: absolute;
    top: 2px;
    right: 5px;
    border: 1px solid var(--line);
    padding: 1px 3px;
    font-size: 10px;
    line-height: 1.1;
    background: #fff;
    color: var(--ink);
    transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.exhibit-close:hover {
    border-color: #0a246a;
    background: linear-gradient(135deg, #000080 0%, #1084d7 100%);
    color: #fff;
}

.exhibit-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.exhibit-image,
.exhibit-content img {
    width: 100%;
    height: auto;
    background: #fff;
    filter: grayscale(1) contrast(1.18);
    image-rendering: pixelated;
}

.exhibit-text {
    max-height: 180px;
    overflow: auto;
    padding: 6px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    font-family: "Courier New", Courier, monospace;
    font-size: 11px;
    white-space: pre-wrap;
    word-break: break-word;
}

.exhibit-audio {
    width: 100%;
    accent-color: #000;
    border: 1px solid #000;
}

.exhibit-description {
    font-size: 11px;
    color: #000;
}

.exhibit-metadata {
    margin-top: 2px;
    padding-top: 4px;
    border-top: 1px dashed var(--line);
    font-size: 10px;
    color: #000;
}

.exhibit-metadata code {
    font-family: "Courier New", Courier, monospace;
    font-size: 10px;
    background: #efefef;
    padding: 0 2px;
}

.fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.28);
    z-index: 10000;
}

.exhibit.fullscreen {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 10001 !important;
    width: auto;
    max-width: 92vw !important;
    max-height: 90vh !important;
    overflow: auto !important;
    opacity: 1 !important;
}

.exhibit.fullscreen .exhibit-content {
    max-height: calc(100% - 38px);
    overflow: auto;
}

#wake-toggle {
    position: fixed;
    right: 222px;
    bottom: 34px;
    z-index: 12000;
    border: 2px outset #c0c0c0;
    border-radius: 0;
    background: linear-gradient(135deg, #dfdfdf 0%, #efefef 100%);
    color: var(--ink);
    font-family: "Courier New", Courier, monospace;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 10px;
    transition: all 0.1s;
    box-shadow: 1px 1px 0 rgba(255, 255, 255, 0.8) inset, -1px -1px 0 rgba(128, 128, 128, 0.5) inset;
}

#wake-toggle:hover {
    border-color: #0a246a;
    background: linear-gradient(135deg, #000080 0%, #1084d7 100%);
    color: #fff;
}

#wake-toggle:active {
    border-style: inset;
}

#right-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 190px;
    border: none;
    background: transparent;
    z-index: 360;
    overflow: hidden;
}

#rightbar-gif {
    width: 100%;
    height: 100%;
    object-fit: fill;
    image-rendering: pixelated;
    display: block;
}

.webcore-footer {
    position: fixed;
    left: 210px;
    right: 210px;
    bottom: 18px;
    height: 108px;
    border-top: none;
    background: transparent;
    z-index: 250;
    overflow: hidden;
}

.footer-scroll-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.footer-scroll-track {
    display: flex;
    gap: 8px;
    animation: scroll-left 12s linear infinite;
    height: 100%;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 4px));
    }
}

.footer-image {
    height: 100%;
    width: auto;
    flex-shrink: 0;
    object-fit: cover;
}

.subliminal-glitch-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 16050;
}

body.glitch-active > :not(.subliminal-glitch-layer) {
    filter: invert(1) contrast(150%);
    transition: none !important;
}

body.glitch-active .subliminal-glitch-layer {
    filter: none !important;
}

.subliminal-glitch-word {
    position: fixed;
    display: inline-block;
    font-family: "Courier New", Courier, monospace;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 2px;
    color: crimson;
    background: transparent;
    white-space: nowrap;
    user-select: none;
    filter: none !important;
    mix-blend-mode: normal !important;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.72);
    animation-name: vibrate;
    animation-timing-function: steps(2, end);
    animation-iteration-count: infinite;
}

@keyframes vibrate {
    0% { transform: translate(-50%, -50%) translate(0, 0) rotate(0deg); }
    10% { transform: translate(-50%, -50%) translate(-9px, 7px) rotate(-4deg); }
    20% { transform: translate(-50%, -50%) translate(11px, -8px) rotate(3deg); }
    30% { transform: translate(-50%, -50%) translate(-7px, -11px) rotate(-5deg); }
    40% { transform: translate(-50%, -50%) translate(10px, 8px) rotate(4deg); }
    50% { transform: translate(-50%, -50%) translate(-12px, 3px) rotate(-3deg); }
    60% { transform: translate(-50%, -50%) translate(8px, -12px) rotate(4deg); }
    70% { transform: translate(-50%, -50%) translate(-6px, 10px) rotate(-2deg); }
    80% { transform: translate(-50%, -50%) translate(12px, -3px) rotate(5deg); }
    90% { transform: translate(-50%, -50%) translate(-10px, -7px) rotate(-4deg); }
    100% { transform: translate(-50%, -50%) translate(0, 0) rotate(0deg); }
}

#status-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8px;
    border-top: 1px solid #000;
    background: #f0f0f0;
    color: #000;
    font-size: 10px;
    letter-spacing: 0.4px;
    z-index: 13000;
}

body.fullscreen-active {
    overflow: hidden;
}

#compat-wall {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #ffffff;
    color: #000000;
    text-align: center;
    font-family: "Courier New", Courier, monospace;
}

#compat-wall .compat-box {
    max-width: 720px;
    border: 2px solid #000;
    padding: 18px 20px;
    background: #f7f7f7;
    box-shadow: 4px 4px 0 #000;
}

#compat-wall h2 {
    font-size: 18px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

#compat-wall p {
    font-size: 12px;
    line-height: 1.45;
}

html.compat-blocked body > * {
    pointer-events: none !important;
    user-select: none !important;
}

html.compat-blocked #compat-wall {
    display: flex;
    pointer-events: auto !important;
    user-select: text !important;
}

html.negative-mode #compat-wall {
    background: #0b1018;
    color: #ffffff;
}

html.negative-mode #compat-wall .compat-box {
    border-color: #ffffff;
    background: #121a25;
    box-shadow: 4px 4px 0 #ffffff;
}

@media (max-width: 860px) {
    #side-nav {
        position: static;
        width: auto;
        margin: 8px;
    }

    #sidebar-media {
        position: static;
        width: auto;
        max-height: none;
        margin: 8px;
    }

    #desktop-icons {
        position: static;
        width: auto;
        left: auto;
        bottom: auto;
        max-height: none;
        flex-direction: row;
        gap: 4px;
        padding: 4px;
        margin: 8px;
        overflow-x: auto;
    }

    .desktop-icon {
        width: auto;
        min-width: 80px;
    }

    main#museum-floor {
        margin: 0 8px;
        width: calc(100% - 16px);
        height: calc(100% - 138px);
    }

    #right-sidebar {
        position: static;
        width: auto;
        height: 160px;
        margin: 8px;
    }

    .webcore-footer {
        left: 0;
        right: 0;
        bottom: 18px;
        overflow-x: auto;
    }

    #wake-toggle {
        right: 12px;
        bottom: 56px;
    }
}