:root {
    --bg-color: #0b0f19;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary: #00f2fe;
    --secondary: #4facfe;
    --amber: #facc15;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.7;
}
header {
    padding: 1.25rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
nav a { color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
nav a:hover, nav a.active { color: var(--primary); }

.container { max-width: 860px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
h2 {
    font-size: 1.3rem;
    margin: 2.5rem 0 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}
h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; color: var(--primary); }
p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.95rem; }
p.strong { color: var(--text-main); font-weight: 600; }
p.meta { color: var(--text-muted); font-size: 0.85rem; font-family: 'JetBrains Mono', monospace; margin-bottom: 2rem; }
ul, ol { margin: 0 0 1.25rem 1.35rem; color: var(--text-muted); font-size: 0.95rem; }
li { margin-bottom: 0.6rem; }
a { color: var(--primary); }
code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    background: rgba(3, 7, 18, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    color: var(--primary);
}
strong { color: var(--text-main); }
.callout {
    padding: 1.1rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    margin: 1.5rem 0 2rem;
    border: 1px solid rgba(250, 204, 21, 0.35);
    background: rgba(250, 204, 21, 0.08);
    color: var(--amber);
}
.callout strong { color: var(--amber); }
.todo {
    background: rgba(250, 204, 21, 0.15);
    border: 1px dashed rgba(250, 204, 21, 0.5);
    color: var(--amber);
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}
table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; }
th, td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.9rem;
    vertical-align: top;
}
th { color: var(--text-muted); font-weight: 500; }
td { color: var(--text-muted); }
footer {
    border-top: 1px solid var(--glass-border);
    padding: 2rem 5%;
    text-align: center;
}
footer a { color: var(--text-muted); text-decoration: none; margin: 0 0.6rem; font-size: 0.88rem; }
footer a:hover { color: var(--primary); }