:root {
    --bg-color: #111;
    --text-color: #9b9b9b;
    --highlight-color: #ff4b4b;
    --secondary-color: #2a2a2e;
    --accent-color: #ff9f43;
    --code-bg: #000;
    --orange: #FF8F42;
    --border-color: #222;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    margin: 0;
    padding: 40px;
    display: flex;
    justify-content: center;
    overflow-y: auto;
}

.container {
    max-width: 900px;
    width: 100%;
}

h1 {
    color: var(--orange);
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 600;
    letter-spacing: -1px;
}

.description {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 40px;
    color: #ccc;
}

h2 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 500;
}

p {
    margin-top: 0;
    margin-bottom: 20px;
    line-height: 1.6;
}

code.inline {
    background: rgba(255,255,255,0.1);
    color: #e6e6e6;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9em;
}

/* Code & Demo Box */
.box-container {
    margin-top: 50px;
    background: #171717;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 50px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-color);
}

.box-title {
    color: var(--orange);
    font-weight: 600;
    font-size: 14px;
}

.tabs {
    display: flex;
    gap: 20px;
    height: 100%;
}

.tab {
    display: flex;
    align-items: center;
    height: 100%;
    cursor: pointer;
    color: #666;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s;
}

.tab:hover {
    color: #999;
}

.tab.active {
    color: var(--orange);
    border-bottom-color: var(--orange);
}

.code-view, .html-view {
    background: var(--code-bg);
    padding: 20px;
    font-family: 'Roboto Mono', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #abb2bf;
    overflow-x: auto;
    display: none;
}

.code-view.active, .html-view.active {
    display: block;
}

/* Syntax Highlighting */
.kwd { color: #c678dd; }
.str { color: #98c379; }
.fun { color: #61afef; }
.num { color: #d19a66; }
.tag { color: #e06c75; }
.attr { color: #d19a66; }
.val { color: #98c379; }
.punc { color: #abb2bf; }
.com { color: #5c6370; font-style: italic; }

.demo-visual {
    padding: 30px;
    background: #1a1a1a;
    border-top: 1px solid var(--border-color);
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.action-bar {
    padding: 15px 30px;
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
}

.play-btn {
    background: transparent;
    border: 1px solid #444;
    color: #fff;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.play-btn:hover {
    border-color: var(--orange);
    color: var(--orange);
}