/* Discovery hub — warm, friendly tool cards */

.hub-intro {
    margin-bottom: 24px;
}

.hub-intro h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: var(--text);
}

.hub-intro p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Filter bar */

.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.filter-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.filter-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Featured section */

.featured-section {
    margin-bottom: 32px;
}

.featured-card {
    background: linear-gradient(135deg, var(--accent-light), var(--bg-secondary));
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.featured-card .tool-logo {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border);
    overflow: hidden;
}

.featured-card .tool-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.featured-card .tool-logo .placeholder {
    font-size: 1.5rem;
    color: var(--accent);
}

.featured-card .tool-info h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.featured-card .tool-info h3 a {
    color: var(--text);
}

.featured-card .tool-info h3 a:hover {
    color: var(--link);
}

.featured-card .tool-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.featured-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    margin-bottom: 16px;
}

/* Category sections */

.category-section {
    margin-bottom: 36px;
}

.category-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Tool cards */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.tool-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.tool-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    border-color: var(--accent);
}

[data-theme="dark"] .tool-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tool-card-header {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 10px;
}

.tool-logo-sm {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border);
    overflow: hidden;
}

.tool-logo-sm img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.tool-logo-sm .placeholder {
    font-size: 1rem;
    color: var(--text-muted);
}

.tool-card-header .tool-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
}

.tool-card-header .tool-name a {
    color: var(--text);
}

.tool-card-header .tool-name a:hover {
    color: var(--link);
    text-decoration: none;
}

.tool-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.tool-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.tool-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.tool-tag {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Type badges */

.type-badge {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.type-badge.open-source { background: var(--success-light); color: var(--success); }
.type-badge.open-core { background: #d1fae5; color: #047857; }
.type-badge.closed-source { background: var(--bg-secondary); color: var(--text-muted); }
.type-badge.affiliated { background: var(--accent-light); color: var(--accent-dark); }
.type-badge.rewards { background: var(--purple-light); color: var(--purple); }
.type-badge.partner { background: var(--blue-light); color: var(--blue); }
.type-badge.recommendation { background: #fff7ed; color: #c2410c; }
.type-badge.own-project { background: var(--accent-light); color: var(--accent); font-style: italic; }

[data-theme="dark"] .type-badge.open-core { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .type-badge.recommendation { background: #431407; color: #fb923c; }

/* Rank badge */

.rank-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    margin-left: auto;
}

/* Empty */

.no-tools {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

@media (max-width: 600px) {
    .tools-grid { grid-template-columns: 1fr; }
    .featured-card { flex-direction: column; text-align: center; }
}