:root {
    --win-bg: #b4b4b4;
    --win-text: #000000;
    --win-highlight: #ffffff;
    --win-shadow: #808080;
    --win-dark-shadow: #000000;
    --win-blue: #000080;
    --win-blue-text: #ffffff;
    --lcd-bg: #000000;
    --lcd-text: #00ff00;
    --content-bg: #e4e4e4;
    --box-bg: #f0f0f0;
    --box-border: #999999;
    --link-color: #000080;
    --postit-bg: #ffffd9;
    --postit-text: #000000;
    --tooltip-bg: #ffffd9;
    --tooltip-text: #000000;
    --tooltip-border: #000000;
    --text-muted: #555555;
    --font-stack: Tahoma, 'MS Sans Serif', 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
    --win-bg: #444444;
    --win-text: #ffffff;
    --win-highlight: #777777;
    --win-shadow: #222222;
    --win-dark-shadow: #000000;
    --win-blue: #008080;
    --win-blue-text: #ffffff;
    --lcd-bg: #2a2a2a;
    --lcd-text: #ff9900;
    --content-bg: #5a5a5a;
    --box-bg: #666666;
    --box-border: #333333;
    --link-color: #66b3ff;
    --postit-bg: #ffff67;
    --postit-text: #000000;
    --tooltip-bg: #424220;
    --tooltip-text: #ffffff;
    --tooltip-border: #ffffff;
    --text-muted: #b0b0b0;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--win-bg);
    color: var(--win-text);
    font-family: var(--font-stack);
    height: 100vh;
    margin: 0;
    padding: 4px;
    font-size: 11px;
    overflow: hidden;
    user-select: none;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
}

.text-muted {
    color: var(--text-muted) !important;
}

.info-box {
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    padding: 6px;
    margin-bottom: 8px;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.1);
}

.win-btn {
    background: var(--win-bg);
    color: var(--win-text);
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-dark-shadow);
    border-bottom: 2px solid var(--win-dark-shadow);
    padding: 3px 10px;
    font-size: 11px;
    cursor: pointer;
    outline: none;
    font-family: var(--font-stack);
}

.win-btn:active,
.win-btn.active {
    border-top: 2px solid var(--win-dark-shadow);
    border-left: 2px solid var(--win-dark-shadow);
    border-right: 2px solid var(--win-highlight);
    border-bottom: 2px solid var(--win-highlight);
    background: var(--win-bg);
    padding: 4px 9px 2px 11px;
}

.win-inset {
    background: var(--content-bg);
    border-top: 2px solid var(--win-shadow);
    border-left: 2px solid var(--win-shadow);
    border-right: 2px solid var(--win-highlight);
    border-bottom: 2px solid var(--win-highlight);
}

.bevel-down {
    border-top: 2px solid var(--win-shadow);
    border-left: 2px solid var(--win-shadow);
    border-right: 2px solid var(--win-highlight);
    border-bottom: 2px solid var(--win-highlight);
}

.app-container {
    display: flex;
    height: 100%;
    width: 100%;
    gap: 4px;
}

aside {
    width: 280px;
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-shadow);
    border-bottom: 2px solid var(--win-shadow);
    padding: 2px;
    background: var(--win-bg);
}

.main-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-shadow);
    border-bottom: 2px solid var(--win-shadow);
    padding: 2px;
    min-width: 0;
}

.sidebar-header,
.top-bar,
.filter-bar {
    padding: 4px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

h2 {
    font-size: 11px;
    margin: 0;
    font-weight: bold;
}

.music-player-container {
    display: flex;
    align-items: center;
    padding: 2px;
    gap: 6px;
    background: var(--win-bg);
    width: 240px;
    height: 26px;
}

.lcd-display {
    background: var(--lcd-bg);
    color: var(--lcd-text);
    font-family: 'Courier New', monospace;
    font-size: 10px;
    font-weight: bold;
    padding: 0 4px;
    display: flex;
    align-items: center;
    flex: 1;
    height: 18px;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.scrolling-text {
    position: absolute;
    white-space: nowrap;
    left: 4px;
}

.scrolling-text.animate {
    animation: scrollText 5s linear infinite;
}

@keyframes scrollText {
    0% {
        transform: translateX(100%);
        left: 0;
    }
    100% {
        transform: translateX(-150%);
        left: 0;
    }
}

.player-controls {
    display: flex;
    gap: 2px;
}

.small-btn {
    padding: 0;
    width: 20px;
    height: 18px;
    font-size: 9px;
    line-height: 16px;
    font-weight: bold;
}

.controls {
    display: flex;
    gap: 4px;
    align-items: center;
}

#fake-exit {
    min-width: 16px;
    height: 16px;
    font-weight: bold;
    font-family: sans-serif;
    line-height: 12px;
    background: #c0c0c0;
    color: #000;
    padding: 0;
}

.filter-bar {
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    font-family: var(--font-stack);
    font-size: 11px;
    padding: 2px;
    border-top: 2px solid var(--win-shadow);
    border-left: 2px solid var(--win-shadow);
    border-right: 2px solid var(--win-highlight);
    border-bottom: 2px solid var(--win-highlight);
    outline: none;
    background: var(--content-bg);
    color: var(--win-text);
}

.scrollable-content {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    background-color: var(--content-bg);
}

::-webkit-scrollbar {
    width: 16px;
    height: 16px;
    background: var(--win-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--win-bg);
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-dark-shadow);
    border-bottom: 2px solid var(--win-dark-shadow);
}

::-webkit-scrollbar-button {
    background: var(--win-bg);
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-dark-shadow);
    border-bottom: 2px solid var(--win-dark-shadow);
    height: 16px;
    width: 16px;
}

::-webkit-scrollbar-corner {
    background: var(--win-bg);
}

.chem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 200px);
    justify-content: center;
    gap: 6px;
}

.chem-card {
    background: var(--win-bg);
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-dark-shadow);
    border-bottom: 2px solid var(--win-dark-shadow);
    cursor: pointer;
    height: 100px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chem-card:active {
    border-top: 2px solid var(--win-dark-shadow);
    border-left: 2px solid var(--win-dark-shadow);
    border-right: 2px solid var(--win-highlight);
    border-bottom: 2px solid var(--win-highlight);
}

.card-header {
    padding: 3px 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--win-shadow);
    height: 24px;
    flex-shrink: 0;
}

.chem-name {
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.pin-btn {
    color: inherit;
    opacity: 0.7;
    font-size: 14px;
}

.pin-btn:hover {
    opacity: 1;
}

.pin-btn.pinned {
    color: #ffff00;
    text-shadow: 1px 1px 0 #000;
    opacity: 1;
}

.short-recipe {
    padding: 6px;
    color: var(--win-text);
    font-size: 11px;
}

.pinned-item {
    margin-bottom: 4px;
    background: var(--win-bg);
    border-top: 2px solid var(--win-highlight);
    border-left: 2px solid var(--win-highlight);
    border-right: 2px solid var(--win-dark-shadow);
    border-bottom: 2px solid var(--win-dark-shadow);
}

.pinned-header {
    background: var(--win-blue);
    color: var(--win-blue-text);
    padding: 2px 4px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}

.pinned-content {
    padding: 4px;
    background: var(--content-bg);
    color: var(--win-text);
}

.detail-view {
    display: none;
    padding: 10px;
    background: var(--content-bg);
    height: 100%;
    color: var(--win-text);
}

.detail-view.active {
    display: block;
}

.guide-link {
    color: var(--link-color);
    text-decoration: underline;
    cursor: pointer;
    position: relative;
}

.guide-link:hover {
    background: var(--win-blue);
    color: #fff;
}

.chem-tooltip {
    position: fixed;
    display: none;
    min-width: 150px;
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
    border: 1px solid var(--tooltip-border);
    padding: 5px;
    font-size: 10px;
    z-index: 99999;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    white-space: normal;
    text-align: left;
    pointer-events: none;
}

.chem-tooltip.visible {
    display: block;
}

.falling-clown {
    position: fixed;
    top: -150px;
    z-index: 9999;
    pointer-events: none;
    animation: fallDown 3s linear forwards;
}

@keyframes fallDown {
    0% {
        top: -150px;
        transform: rotate(0deg);
    }
    100% {
        top: 110vh;
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    aside:first-of-type {
        display: none;
    }
    aside:last-of-type {
        width: 100%;
        height: 40%;
    }
    .main-interface {
        height: 60%;
    }
    .music-player-container {
        width: 140px;
    }
    .lcd-display {
        font-size: 9px;
    }
    .chem-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}