* {
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
}
h1 { 
    color: #2c3e50; 
    border-bottom: 3px solid #1D63ED; 
    padding-bottom: 10px;
    font-size: clamp(1.75rem, 5vw, 2.5rem);
}
h2 { 
    color: #34495e; 
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
    font-size: clamp(1.5rem, 4vw, 2rem);
}
h3 { 
    color: #555;
    font-size: clamp(1.25rem, 3.5vw, 1.75rem);
}
h4 {
    color: #555;
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
}
.warning {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
    transition: background-color 0.3s ease;
}
.warning:hover {
    background-color: #ffe69c;
}
.warning strong { color: #856404; }
.info {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    padding: 0;
    margin: 20px 0;
    overflow: hidden;
}
.info:hover {
    background-color: #ffffff;
}
.info h5 {
    margin: 0;
    padding: 10px 15px;
    background-color: #1D63ED;
    color: #ffffff;
    font-size: 0.9em;
}
.info ul {
    font-size: 0.8em;
    color: #333;
    padding: 15px 15px 15px 35px;
    margin: 0;
}
.info p {
    color: #333;
    padding: 15px 15px 0 15px;
    margin: 0;
}
.info code {
    background-color: #f4f4f4;
    color: #333;
}
code {
    background-color: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    transition: background-color 0.2s ease;
}
code:hover {
    background-color: #e8e8e8;
}
.code-wrapper {
    position: relative;
}
pre {
    background-color: #f4f4f4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
pre:hover {
    background-color: #ebebeb;
    box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.15);
}
pre code {
    background-color: transparent;
    padding: 0;
    word-wrap: break-word;
    white-space: pre-wrap;
}
pre code:hover {
    background-color: transparent;
}
.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #1D63ED;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.copy-btn:hover {
    opacity: 1;
}
.copy-btn.copied {
    background-color: #27ae60;
}
ul { padding-left: 20px; }
li { margin: 8px 0; }
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9em;
}
table thead tr {
    background-color: #1D63ED;
    color: white;
    text-align: left;
}
table th,
table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
}
table tbody tr {
    border-bottom: 1px solid #ddd;
}
table tbody tr:nth-of-type(even) {
    background-color: #f8f9fa;
}
table tbody tr:hover {
    background-color: #e8f4fc;
}
.log-output {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    margin: 20px 0;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.log-output:hover {
    background-color: #3a3a3a;
    box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.2);
}
.log-yellow {
    color: #f1fa8c;
}
.log-info {
    color: #8be9fd;
}
.log-green {
    color: #50fa7b;
}
.log-blue {
    color: #8be9fd;
}
.toc {
    background-color: #f8f9fa;
    border-left: 4px solid #1D63ED;
    padding: 20px;
    margin: 20px 0;
}
.toc h2 {
    margin-top: 0;
    font-size: 1.3em;
}
.toc ul {
    list-style: none;
    padding-left: 0;
}
.toc ul ul {
    padding-left: 20px;
}
.toc ul ul ul {
    padding-left: 40px;
}
.toc a {
    text-decoration: none;
    color: #2c3e50;
}
.toc a:hover {
    color: #1D63ED;
}

.side-note {
    background-color: #f8f9fa;
    border-left: 4px solid #6c757d;
    padding: 12px 15px;
    margin: 15px 0;
    font-style: italic;
    color: #495057;
}

/* Mobile responsiveness */
@media screen and (max-width: 768px) {
    body {
        padding: 15px;
    }
    .warning, .info, .toc, .side-note {
        padding: 12px;
    }
    pre, .log-output {
        padding: 10px;
        font-size: 0.75rem;
    }
    .copy-btn {
        font-size: 10px;
        padding: 4px 8px;
    }
    .toc ul ul {
        padding-left: 15px;
    }
    .toc ul ul ul {
        padding-left: 30px;
    }
}

@media screen and (max-width: 480px) {
    body {
        padding: 10px;
    }
    h1 {
        border-bottom-width: 2px;
    }
    .warning, .info, .toc, .side-note {
        padding: 10px;
    }
    pre, .log-output {
        padding: 8px;
        font-size: 0.7rem;
    }
    .copy-btn {
        top: 3px;
        right: 3px;
        font-size: 9px;
        padding: 3px 6px;
    }
}