:root {
  --bg-color: #f8f9fa;
  --text-color: #212529;
  --card-bg: #ffffff;
  --border-color: #dee2e6;
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --accent-color: #198754;
  --code-bg: #e9ecef;
  --header-height: 60px;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --card-bg: #1e1e1e;
  --border-color: #333;
  --primary-color: #3d8bfd;
  --secondary-color: #aaa;
  --accent-color: #20c997;
  --code-bg: #2d2d2d;
}

* { box-sizing: border-box; }
body { font-family: -apple-system, sans-serif; background: var(--bg-color); color: var(--text-color); margin: 0; line-height: 1.5; }
a { color: var(--primary-color); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
header { background: var(--card-bg); border-bottom: 1px solid var(--border-color); height: var(--header-height); display: flex; align-items: center; padding: 0 20px; sticky: top; }
.header-content { max-width: 1200px; width: 100%; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: bold; font-size: 1.2rem; color: var(--text-color); }
.nav-links a { margin-left: 20px; color: var(--secondary-color); font-weight: 500; }
.nav-links a.active { color: var(--primary-color); }
.theme-toggle { background: none; border: none; cursor: pointer; color: var(--text-color); font-size: 1.2rem; margin-left: 20px; }

main { max-width: 1200px; margin: 20px auto; padding: 0 20px; min-height: 80vh; }

/* Hero */
.hero { text-align: center; padding: 60px 20px; background: linear-gradient(135deg, var(--primary-color), #6610f2); color: white; border-radius: 12px; margin-bottom: 40px; }
.hero h1 { font-size: 3rem; margin: 0; }
.hero p { font-size: 1.2rem; opacity: 0.9; }

/* Home Grid */
.home-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
@media (max-width: 800px) { .home-grid { grid-template-columns: 1fr; } }

/* Search */
.search-section { margin-bottom: 30px; }
#search-input { width: 100%; padding: 15px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--card-bg); color: var(--text-color); font-size: 1.1rem; }
.filters { display: flex; gap: 10px; margin-top: 15px; flex-wrap: wrap; }
.chip { padding: 5px 15px; border: 1px solid var(--border-color); border-radius: 20px; cursor: pointer; background: var(--card-bg); font-size: 0.9rem; }
.chip.active { background: var(--primary-color); color: white; border-color: var(--primary-color); }

/* Package Grid */
.package-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.package-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; display: flex; flex-direction: column; }
.pkg-header { display: flex; justify-content: space-between; margin-bottom: 10px; }
.pkg-name { font-weight: bold; font-size: 1.1rem; }
.pkg-version { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-size: 0.8rem; font-family: monospace; }
.pkg-desc { color: var(--secondary-color); font-size: 0.9rem; margin-bottom: 15px; flex-grow: 1; }
.pkg-meta { font-size: 0.8rem; color: var(--secondary-color); display: flex; justify-content: space-between; }

/* Sidebar */
.sidebar h3 { font-size: 1.1rem; margin-bottom: 15px; }
.recent-list { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 15px; margin-bottom: 30px; }
.recent-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-color); }
.recent-item:last-child { border-bottom: none; }
.recent-ver { font-size: 0.8rem; color: var(--secondary-color); font-family: monospace; }
.registry-info { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 15px; }

/* Detail Page */
.detail-container { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; }
.pkg-header-detail { border-bottom: 1px solid var(--border-color); padding-bottom: 20px; margin-bottom: 30px; }
.pkg-title-row { display: flex; align-items: center; gap: 15px; }
.pkg-version-large { font-size: 1.2rem; color: var(--secondary-color); font-family: monospace; }
.verified-badge { font-size: 1.2rem; }
.pkg-desc-large { font-size: 1.2rem; color: var(--secondary-color); margin-top: 10px; }

.install-section { margin-bottom: 40px; }
.install-section label { font-weight: bold; font-size: 0.9rem; color: var(--secondary-color); display: block; margin-bottom: 8px; }
.install-box { background: var(--code-bg); padding: 15px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.install-box code { font-family: monospace; font-size: 1.1rem; }

.detail-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }

.detail-sidebar .meta-box { border-bottom: 1px solid var(--border-color); padding-bottom: 20px; margin-bottom: 20px; }
.detail-sidebar h4 { margin-top: 0; font-size: 0.9rem; text-transform: uppercase; color: var(--secondary-color); }
.link-list, .author-list { list-style: none; padding: 0; }
.link-list li, .author-list li { margin-bottom: 8px; }

.checksum-display { font-size: 0.75rem; background: var(--code-bg); padding: 4px; display: block; border-radius: 4px; word-break: break-all; }
.sig-status { font-weight: bold; font-size: 0.9rem; margin-top: 10px; }

.tree { list-style: none; padding-left: 0; }
.tree-node { display: flex; justify-content: space-between; background: var(--code-bg); padding: 10px; border-radius: 6px; margin-bottom: 8px; }
.tree-ver { font-size: 0.8rem; color: var(--secondary-color); }

.readme-container { background: var(--bg-color); padding: 20px; border-radius: 8px; border: 1px solid var(--border-color); min-height: 200px; }

/* Author Profile */
.author-header { display: flex; gap: 20px; align-items: center; margin-bottom: 30px; }
.author-avatar { border-radius: 50%; width: 100px; height: 100px; border: 3px solid var(--primary-color); }
.author-handle { color: var(--secondary-color); font-size: 1.1rem; margin: 0; }
.author-links { margin-bottom: 40px; display: flex; gap: 10px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 40px; }
.stat-card { background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 30px; text-align: center; }
.stat-value { font-size: 3rem; font-weight: bold; color: var(--primary-color); }

/* Generator */
.generator-box { background: var(--bg-color); padding: 30px; border-radius: 12px; border: 1px solid var(--border-color); margin-top: 40px; }
.form-grid { display: grid; gap: 10px; margin-bottom: 20px; }
.form-control { padding: 10px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--card-bg); color: var(--text-color); }
.json-output { background: #222; color: #0f0; padding: 20px; border-radius: 8px; overflow-x: auto; }

.btn { padding: 10px 20px; border-radius: 6px; border: none; cursor: pointer; font-weight: bold; background: var(--card-bg); color: var(--text-color); border: 1px solid var(--border-color); }
.btn-primary { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }

footer { text-align: center; padding: 60px; color: var(--secondary-color); }