:root {
    --text: #24292e;
    --text-muted: #586069;
    --bg: #fff;
    --border: #e1e4e8;
    --link: #0366d6;
    --hover: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text: #c9d1d9;
        --text-muted: #8b949e;
        --bg: #0d1117;
        --border: #30363d;
        --link: #58a6ff;
        --hover: #161b22;
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1rem;
}

header {
    position: sticky;
    top: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 10;
    padding: 1rem 0;
}

.logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.search-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
}

.search-input:focus {
    outline: none;
    border-color: var(--link);
    box-shadow: 0 0 0 2px rgba(3, 102, 214, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-box {
    position: relative;
    margin-bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.filter-toggle {
    display: none;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    align-items: center;
    gap: 0.25rem;
}

.filter-toggle:hover {
    background: var(--border);
}

.filter-toggle svg {
    width: 16px;
    height: 16px;
}

.filter-toggle-text {
    display: none;
}

.search-hint {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-muted);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.kbd {
    padding: 2px 4px;
    font-size: 11px;
    font-family: monospace;
    background: var(--hover);
    border: 1px solid var(--border);
    border-radius: 3px;
}

.filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--hover);
    border-radius: 6px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
    align-items: center;
}

.filter-row {
    display: contents;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.filter-group label {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
}

.filter-select, .filter-input {
    padding: 0.125rem 0.375rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    font-size: 12px;
    font-family: inherit;
    max-width: 140px;
}

.category-filter {
    max-width: 120px;
}

.repository-filter {
    max-width: 140px;
}

.filter-select:focus, .filter-input:focus {
    outline: none;
    border-color: var(--link);
}

.filter-input {
    width: 60px;
}

.filter-presets {
    margin-left: auto;
}

.filter-preset {
    padding: 0.125rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-preset:hover {
    background: var(--link);
    color: white;
    border-color: var(--link);
}

.filter-preset[data-preset="clear"] {
    color: var(--text-muted);
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        margin: 0 auto;
        padding: 1rem;
    }

    .search-box {
        margin-bottom: 1rem;
    }

    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem 1rem;
        border: 2px solid var(--link);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .search-input::placeholder {
        color: #666;
        font-weight: 400;
    }

    .filter-toggle {
        display: flex;
        flex-shrink: 0;
    }

    .filters {
        display: none;
        margin-bottom: 1rem;
        animation: slideDown 0.2s ease-out;
    }

    .filters.active {
        display: block;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .filter-group {
        width: 100%;
        display: grid;
        grid-template-columns: 80px 1fr;
        align-items: center;
        gap: 0.5rem;
    }

    .filter-group label {
        text-align: right;
        font-size: 13px;
    }

    .filter-select, .filter-input {
        width: 100%;
        max-width: none;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .filter-presets {
        margin-left: 0;
        margin-top: 0.5rem;
        display: grid;
        grid-template-columns: 1fr;
    }

    .filter-preset {
        width: 100%;
        padding: 0.5rem;
    }

    .project {
        padding: 1rem;
        margin-bottom: 0.75rem;
    }

    .project h3 {
        font-size: 16px;
        line-height: 1.4;
    }

    .project p {
        font-size: 14px;
        line-height: 1.5;
    }

    .meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .meta span {
        font-size: 12px;
    }

    header {
        margin-bottom: 1rem;
    }

    .logo {
        font-size: 20px;
    }

    .stats {
        font-size: 12px;
        display: none;
    }

    .github-link-header {
        padding: 0.25rem;
    }

    .github-link-header svg {
        width: 18px;
        height: 18px;
    }
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    display: none;
}

.loading.htmx-request {
    display: block;
}

.project {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    animation: fadeIn 0.3s ease-out;
}

.project:hover {
    background: var(--hover);
    margin: 0 -0.75rem;
    padding: 1rem 0.75rem;
}

.project h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project h3 a {
    color: var(--link);
    text-decoration: none;
}

.project h3 a:hover {
    text-decoration: underline;
}

.project p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.meta > * {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.meta .stars {
    color: var(--text);
    font-weight: 600;
}

.repository-link {
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.repository-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Topics styling */
.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.topic-tag {
    padding: 0.125rem 0.5rem;
    font-size: 11px;
    background: var(--tag-bg, #dbeafe);
    color: var(--tag-fg, #1e40af);
    border-radius: 9999px;
    text-decoration: none;
    transition: opacity 0.2s;
}

@media (prefers-color-scheme: dark) {
    .topic-tag {
        background: #1e3a5f;
        color: #93c5fd;
    }
}

.topic-tag:hover {
    opacity: 0.8;
    text-decoration: none;
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.no-results h3 {
    color: var(--text);
    font-size: 18px;
    margin-bottom: 0.5rem;
}

.stats {
    font-size: 12px;
    color: var(--text-muted);
    padding: 0.5rem 0;
}

.results-header {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
}

/* GitHub link in header */
.github-link-header {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem;
    border-radius: 6px;
    color: var(--text-muted);
    transition: all 0.2s;
}

.github-link-header:visited {
    color: var(--text-muted);
}

.github-link-header:hover {
    color: var(--text);
    background: var(--hover);
}

.github-link-header svg {
    width: 20px;
    height: 20px;
}

/* Skeleton loader */
.skeleton-container {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.skeleton {
    background: linear-gradient(
            90deg,
            var(--hover) 25%,
            var(--border) 50%,
            var(--hover) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-title {
    height: 20px;
    width: 60%;
    margin-bottom: 0.5rem;
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: 0.25rem;
}

.skeleton-text:last-child {
    width: 80%;
}

.skeleton-meta {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.skeleton-meta-item {
    height: 14px;
    width: 80px;
}

/* Fade-in animation for new results */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}