:root {
    --bg: #181818;
    --bg-light: #282828;
    --border-color: #333;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --accent: #8b5cf6;
}

body {
    margin: 0;
    overflow: hidden;
    background-color: black;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

#open-menu-button {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1001;
    background-color: rgba(24, 24, 24, 0.8);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
#open-menu-button svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}
#open-menu-button:hover {
    color: var(--text-primary);
    border-color: #555;
    transform: scale(1.05);
}

#sidebar-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100%;
    background-color: var(--bg);
    border-right: 1px solid var(--border-color);
    z-index: 1002;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
}
#sidebar-menu.open {
    transform: translateX(0);
}
.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px 0 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.menu-header h3 { font-weight: 600; color: var(--text-primary); }
#close-menu-button {
    background: none; border: none; color: var(--text-secondary);
    cursor: pointer; padding: 10px; display: flex; align-items: center;
    justify-content: center; width: 44px; height: 44px;
    border-radius: 50%; transition: all 0.2s;
}
#close-menu-button svg { width: 24px; height: 24px; }
#close-menu-button:hover { background-color: var(--bg-light); color: var(--text-primary); }
.menu-content { padding: 10px; overflow-y: auto; }
details { border-bottom: 1px solid var(--border-color); margin-bottom: 5px; }
summary {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 10px; cursor: pointer; font-weight: 500;
    color: var(--text-primary); list-style: none;
}
summary:hover { background-color: var(--bg-light); }
summary::after {
    content: '›'; font-size: 24px; color: var(--text-secondary);
    transform: rotate(90deg); transition: transform 0.2s ease-in-out;
}
details[open] > summary::after { transform: rotate(-90deg); }
.details-content { padding: 0px 15px 15px 15px; }
.section-title {
    font-size: 12px; font-weight: 500; color: var(--text-secondary);
    text-transform: uppercase; margin: 15px 0 10px 0;
}
label {
    display: block; margin: 20px 0 8px 0; font-size: 14px;
    font-weight: 500; color: var(--text-primary);
}
label span { float: right; color: var(--text-secondary); font-weight: 400; }
button {
    width: 100%; padding: 10px; margin-top: 5px;
    background-color: var(--bg-light); color: var(--text-primary);
    border: 1px solid var(--border-color); border-radius: 6px;
    cursor: pointer; transition: all 0.2s; font-size: 14px;
}
button:hover { border-color: #555; }
button.active { background-color: var(--accent); border-color: var(--accent); color: white; font-weight: 600; }
.button-group { display: flex; }
.button-group button { border-radius: 0; border-right-width: 0; }
.button-group button:first-child { border-radius: 6px 0 0 6px; }
.button-group button:last-child { border-radius: 0 6px 6px 0; border-right-width: 1px; }
input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; height: 6px;
    background: var(--bg-light); border-radius: 3px; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 16px; height: 16px;
    background: var(--accent); border-radius: 50%;
}
input[type="range"]::-moz-range-thumb {
    width: 16px; height: 16px;
    background: var(--accent); border-radius: 50%;
}

#info-panel {
    position: fixed;
    bottom: 10px;
    left: 10px;
    background-color: rgba(24, 24, 24, 0.8);
    color: var(--text-primary);
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 14px;
    z-index: 999;
    min-width: 220px;
    line-height: 1.5;
    transition: all 0.2s ease;
}

#inspector-panel {
    position: fixed;
    background-color: var(--bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    z-index: 998;
    width: 240px;
    line-height: 1.6;
    font-size: 13px;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none; 
}
#inspector-panel.hidden {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
}
#inspector-panel::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}
#inspector-panel strong {
    color: var(--text-secondary);
    display: inline-block;
    width: 90px;
}
#inspector-panel span {
    color: var(--text-primary);
    font-weight: 500;
}