/* GitHub Dark Default Theme */
:root {
    --bg-color: #0d1117;
    --surface-color: #161b22;
    --primary-color: #58a6ff;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --code-bg: #0d1117;
    --border-color: #30363d;
    --hover-bg: #21262d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

header {
    background-color: var(--surface-color);
    padding: 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

header h1 { margin: 0; color: var(--primary-color); }
header p { color: var(--text-secondary); margin-bottom: 1.5rem; }

.install-section {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-weight: 600;
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.repo-install {
    background: var(--code-bg);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    text-align: left;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.terminal-header {
    background: #2d2d2d;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    margin: 0 auto;
    font-size: 0.8rem;
    color: #888888;
    font-family: monospace;
}

.terminal-body {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.terminal-body code {
    font-family: monospace;
    font-size: 0.9rem;
    word-break: break-all;
    margin-right: 1rem;
    color: var(--text-primary);
}

.terminal-body code::before {
    content: "$ ";
    color: var(--primary-color);
    font-weight: bold;
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 100%;
    max-width: 500px;
}

.search-box span {
    position: absolute;
    left: 15px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

input[type="text"] {
    padding: 0.8rem 1rem 0.8rem 2.8rem;
    width: 100%;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    background-color: var(--surface-color);
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,112,243,0.2);
}

button {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
button:hover { background: var(--border-color); }

main {
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.list-view {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.package-card {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
}

.package-card h2 { margin-top: 0; font-size: 1.25rem; display: flex; justify-content: space-between; align-items: center;}
.package-card h2 span { font-size: 0.85rem; color: var(--text-secondary); font-weight: normal; }
.package-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.4; }
.pkg-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.arch-tags {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.arch-tag {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--primary-color);
}

.upstream-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s;
}

.upstream-link:hover {
    color: var(--primary-color);
}

.dev-tag {
    background: #ff8c00;
    color: #111;
    font-size: 0.6rem;
    font-weight: bold;
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    margin-left: 8px;
    vertical-align: middle;
}

.pkg-install {
    background: var(--code-bg);
    padding: 0.5rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pkg-install code { font-size: 0.9rem; color: var(--primary-color); }

.dep-btn {
    width: 100%;
    margin-top: 1rem;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    font-size: 0.9rem;
}
.dep-btn:hover { background: var(--primary-color); color: var(--bg-color); }

#top-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

#top-btn:hover {
    background-color: var(--hover-bg);
}

/* Modal */
.modal {
    display: none; position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
}
.modal-content {
    background-color: var(--surface-color); margin: 10% auto; padding: 20px;
    border: 1px solid var(--border-color); width: 90%; max-width: 500px; border-radius: 12px;
}
.close { color: var(--text-secondary); float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
.close:hover { color: var(--text-primary); }

#dep-tree ul { list-style-type: none; padding-left: 20px; border-left: 1px dashed var(--border-color); }
#dep-tree li { margin: 10px 0; position: relative; }
#dep-tree li::before { content: ""; position: absolute; top: 10px; left: -20px; width: 15px; border-top: 1px dashed var(--border-color); }