/* ===================== PROJECT CARDS ===================== */
.projects-toolbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 24px;
}
#search-input {
  flex: 1; min-width: 240px; padding: 10px 16px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 14px; outline: none;
}
#search-input:focus { border-color: var(--accent); }
.filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-chip {
  padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-muted); transition: all .2s; user-select: none;
}
.filter-chip:hover, .filter-chip.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(56,189,248,0.08);
}
.filter-chip[data-layer="1"].active { border-color: var(--layer1); color: var(--layer1); }
.filter-chip[data-layer="2"].active { border-color: var(--layer2); color: var(--layer2); }
.filter-chip[data-layer="3"].active { border-color: var(--layer3); color: var(--layer3); }
.filter-chip[data-layer="4"].active { border-color: var(--layer4); color: var(--layer4); }
.filter-chip[data-layer="5"].active { border-color: var(--layer5); color: var(--layer5); }
.filter-chip[data-layer="6"].active { border-color: var(--layer6); color: var(--layer6); }

/* ===================== GRID ===================== */
.project-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 16px;
}

/* ===================== CARD ===================== */
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  cursor: pointer; position: relative; overflow: hidden;
  transition: all .25s;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.project-card[data-layer="1"]::before { background: var(--layer1); }
.project-card[data-layer="2"]::before { background: var(--layer2); }
.project-card[data-layer="3"]::before { background: var(--layer3); }
.project-card[data-layer="4"]::before { background: var(--layer4); }
.project-card[data-layer="5"]::before { background: var(--layer5); }
.project-card[data-layer="6"]::before { background: var(--layer6); }

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.card-name { font-size: 16px; font-weight: 700; }
.card-layer-badge {
  font-size: 12px; font-weight: 700; padding: 2px 8px;
  border-radius: 4px; color: #000; white-space: nowrap;
}
.card-layer-badge[data-layer="0"] { background: var(--layer0); }
.card-layer-badge[data-layer="1"] { background: var(--layer1); }
.card-layer-badge[data-layer="2"] { background: var(--layer2); }
.card-layer-badge[data-layer="3"] { background: var(--layer3); }
.card-layer-badge[data-layer="4"] { background: var(--layer4); }
.card-layer-badge[data-layer="5"] { background: var(--layer5); }
.card-layer-badge[data-layer="6"] { background: var(--layer6); }

.card-desc {
  font-size: 13px; color: var(--text-muted); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 12px;
}
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.card-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 4px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-muted);
}
.card-tag.role { background: rgba(56,189,248,0.08); color: var(--accent); border-color: transparent; }
.card-tag.demo-tag {
  background: linear-gradient(135deg, #059669, #10b981); color: #fff; border-color: transparent;
  cursor: pointer; text-decoration: none; font-weight: 700; transition: all .2s;
  padding: 3px 12px; font-size: 12px; border-radius: 12px;
  box-shadow: 0 0 8px rgba(16,185,129,0.4);
  animation: demo-pulse 2s ease-in-out infinite;
}
.card-tag.demo-tag:hover { background: linear-gradient(135deg, #10b981, #34d399); box-shadow: 0 0 16px rgba(16,185,129,0.6); transform: scale(1.08); }
@keyframes demo-pulse {
  0%,100% { box-shadow: 0 0 8px rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 16px rgba(16,185,129,0.7); }
}

.demo-launch-btn {
  display: inline-block; padding: 10px 28px; border-radius: 6px;
  background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff;
  font-size: 14px; font-weight: 600; text-decoration: none; transition: all .2s;
}
.demo-launch-btn:hover { box-shadow: 0 0 20px rgba(37,99,235,0.5); transform: translateY(-1px); }

.card-hidden { display: none; }

/* ===================== SEARCH SUGGEST ===================== */
.search-suggest {
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
  width: 100%; margin-top: 4px;
}
.suggest-label { font-size: 12px; color: var(--text-muted); }
.suggest-chip {
  font-size: 12px; padding: 3px 10px; border-radius: 12px;
  background: rgba(56,189,248,0.08); border: 1px solid rgba(56,189,248,0.15);
  color: var(--accent); cursor: pointer; user-select: none; transition: all .2s;
}
.suggest-chip:hover {
  background: rgba(56,189,248,0.18); border-color: var(--accent);
}

@media (max-width: 700px) {
  .project-grid { grid-template-columns: 1fr; }
}