* {
box-sizing: border-box;
margin: 0;
padding: 0;
font-family: system-ui, sans-serif;
}

body {
    background: #0e0e11;
    color: #d4d4d4;
    line-height: 1.6;
}

.topbar {
    height: 60px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #1f1f1f;
    display: flex;
    align-items: center;
    padding: 0 30px;

    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.content {
    max-width: 80%;
    margin: 0 auto;
    padding: 40px 20px;
    margin-top: 60px;
}

h1 { font-size: 32px; margin-bottom: 20px; color: #fff; }
h2 { margin-top: 40px; margin-bottom: 15px; color: #4fc1ff; }
p { margin-bottom: 20px; }

.code-block {
    background: #16161a !important;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #4fc1ff;
    margin: 20px 0;
    font-family: 'Consolas', 'Monaco', monospace;
}

.code-block code {
    background: transparent !important;
    padding: 0 !important;
    color: #d4d4d4;
    border: none !important;
}

.code-keyword { color: #4fc1ff; font-weight: bold; }
.code-cmd { color: #ce9178; }
.code-com { color: #00ab11; }
.code-err { color: #750002; font-weight: bold; }


.cmd-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 20px 0;
    background: #16161a;
}
.cmd-table th, .cmd-table td {
    border: 1px solid #2d2d30;
    padding: 12px 15px;
    text-align: left;
    font-size: 14px;
}
.cmd-table th {
    background: #1f1f23;
    color: #ccc;
    position: sticky;
    top: 60px;
    z-index: 10;
    border-bottom: 1px solid #666;
}
.cmd-table tr:nth-child(even) { background-color: #1d1d1e; }

.cmd-table tr.cmd {
    background: linear-gradient(to right, #a69003 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}
.cmd-table tr.cmdC {
    background: linear-gradient(to right, #e66700 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}
.cmd-table tr.cmdT {
    background: linear-gradient(to right, #007ee6 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}
.cmd-table tr.cmdL {
    background: linear-gradient(to right, #c20081 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}
.cmd-table tr.var {
    background: linear-gradient(to right, #5347a1 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}
.cmd-table tr.math {
    background: linear-gradient(to right, #1f7d05 -20%, transparent 10%);
    border-right: 4px solid var(--color-keyword);
}

.cmd-table th:nth-child(1) { width: 15%; }
.cmd-table th:nth-child(2) { width: 20%; }
.cmd-table td:nth-child(2) { white-space: nowrap; }
.cmd-table th:nth-child(3) { width: 25%; }
.cmd-table th:nth-child(4) { width: 40%; }

.cmd-table tr:hover {
    background-color: #232329;
    color: #fff;
    transition: 0.2s;
}

.cmd-table tr:hover code {
    color: #3df52c;
    background: #111;
    border: 0.6px solid #3df52c;
    transition: 0.2s;
}
code {
    background: #2d2d30;
    color: #219609;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: Consolas, monospace;
}

[data-tooltip] {
    position: relative;
    cursor: help;
}
[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: #1f1f23;
    color: #4fc1ff;
    border: 1px solid #4fc1ff;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: 0.2s ease-in-out;
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: #4fc1ff transparent transparent transparent;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 0.2s ease-in-out;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: 125%;
}

.pre-list { list-style: none; }
.pre-list li {
    background: #1f1f1f;
    margin-bottom: 10px;
    padding: 15px;
    border-left: 4px solid #4fc1ff;
    border-radius: 8px;
}
.pre-list li:hover {
    background: #282828;
    color: #fff;
    transition: 0.2s;
}
.pre-list li:hover code {
    color: #3df52c;
    background: #111;
    border: 0.6px solid #3df52c;
    transition: 0.2s;
}