/* =========================================
   demos.css — portfolio grid + embed modal
   Shared between digital-cookie.html and demo.html
   ========================================= */

/* ── Copy-link button ── */
.demo-heading-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.demo-heading-row .section-title { margin-bottom: 0; }
.copy-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: none;
  color: var(--mid);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.copy-link-btn:hover { border-color: var(--ink); color: var(--ink); }
.copy-link-btn.copied { border-color: #22c55e; color: #22c55e; }
@media (hover: none) { .copy-link-btn { cursor: auto; } }

/* ── Portfolio grid ── */
#portfolio .filter-tabs {
  display: flex;
  margin-bottom: 3rem;
  border: 1px solid var(--border);
  width: fit-content;
}
.filter-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--mid);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.filter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform 0.3s ease;
}
.filter-btn.active { color: var(--bg); }
.filter-btn.active::before { transform: translateY(0); }
.filter-btn span { position: relative; z-index: 1; }
.filter-btn:last-child { border-right: none; }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.portfolio-item {
  background: var(--bg);
  padding: 2.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.25s, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}
.portfolio-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.portfolio-item:hover { background: var(--card); }
.portfolio-item:hover::after { transform: scaleX(1); }
.portfolio-item-cat {
  font-family: 'Inter', sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 0.8rem;
}
.portfolio-item-title {
  font-family: 'Inter', sans-serif;
  font-size: 1.7rem;
  line-height: 1;
  margin-bottom: 0.8rem;
}
.portfolio-item-desc {
  font-size: 0.82rem;
  line-height: 1.65;
  color: #9b9a97;
}
.portfolio-item-arrow {
  position: absolute;
  bottom: 1.5rem; right: 1.8rem;
  font-size: 1.1rem;
  color: #c7c5c2;
  transition: color 0.25s, transform 0.25s;
}
.portfolio-item:hover .portfolio-item-arrow {
  color: var(--ink);
  transform: translate(4px, -4px);
}

/* ── Platform icons & CTA ── */
.platform-icons-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.portfolio-item-cta {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  transition: color 0.2s;
}
.platform-icon {
  width: 16px; height: 16px;
  object-fit: contain;
  border-radius: 3px;
}
.platform-icon-lark { display: flex; align-items: center; }
.portfolio-cta-label {
  font-size: 0.82rem;
  font-weight: 500;
  margin-left: auto;
}
.portfolio-cta-arrow {
  font-size: 0.82rem;
  transition: transform 0.2s;
}
.portfolio-item:hover .portfolio-cta-arrow { transform: translate(2px, -2px); }



/* ── Embed modal ── */
.embed-modal-tabs {
  display: flex;
  gap: 0.25rem;
  margin: 0 1rem;
}
.embed-tab-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--mid);
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.embed-tab-btn:hover { color: var(--ink); border-color: var(--ink); }
.embed-tab-btn.active { color: #fff; background: var(--ink); border-color: var(--ink); }
.embed-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,15,15,0.6);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.embed-modal-overlay.open { opacity: 1; pointer-events: all; }
.embed-modal {
  background: #fff;
  border-radius: 14px;
  width: 90vw;
  max-width: 1100px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.25s ease;
  box-shadow: 0 32px 80px rgba(0,0,0,0.18);
}
.embed-modal-overlay.open .embed-modal { transform: translateY(0); }
.embed-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.embed-modal-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.embed-modal-close {
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--mid);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.embed-modal-close:hover { background: var(--hover); color: var(--ink); }
.embed-modal-newtab {
  font-size: 1rem;
  color: var(--mid);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  margin-left: auto;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.embed-modal-newtab:hover { background: var(--hover); color: var(--ink); }
.embed-modal-body { flex: 1; overflow: hidden; }
.embed-modal-body iframe { display: block; height: 100%; }
.embed-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.embed-loading.active { opacity: 1; }
.embed-loading::after {
  content: '';
  width: 28px;
  height: 28px;
  border: 3px solid #e5e7eb;
  border-top-color: #1456F0;
  border-radius: 50%;
  animation: embed-spin 0.8s linear infinite;
}
@keyframes embed-spin { to { transform: rotate(360deg); } }

/* ── Planning badge ── */
.portfolio-item-badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  margin-top: 1rem;
}

/* ── Chat panel ── */
.embed-modal-body { min-height: 0; }














/* ── All-view list ── */
.demo-list-view { border-top: 1px solid var(--border); }
.demo-list-group { margin-bottom: 0.25rem; }
.demo-list-group-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mid);
  padding: 1.75rem 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.demo-list-group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.demo-list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}
.demo-list-row--live { cursor: pointer; transition: background 0.2s; }
.demo-list-row--live:hover { background: var(--card); padding-left: 1rem; padding-right: 1rem; margin: 0 -1rem; }
.demo-list-title {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
}
.demo-list-cta {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  color: var(--mid);
  display: flex;
  align-items: center;
  gap: 0.2rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}
.demo-list-arrow { display: inline-block; transition: transform 0.2s; }
.demo-list-row--live:hover .demo-list-cta { color: var(--ink); }
.demo-list-row--live:hover .demo-list-arrow { transform: translate(2px, -2px); }
.demo-list-soon {
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--border);
  flex-shrink: 0;
}

.hidden { display: none !important; }

/* ── Filter dropdown (mobile only) ── */
.filter-dropdown { display: none; position: relative; margin-bottom: 3rem; user-select: none; }
.filter-dropdown-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  min-height: 44px;
  transition: border-color 0.2s;
}
.filter-dropdown-btn:hover,
.filter-dropdown-btn.open { border-color: var(--ink); }
.filter-dropdown-label { flex: 1; text-align: left; }
.filter-dropdown-chevron { flex-shrink: 0; color: var(--mid); transition: transform 0.25s ease; }
.filter-dropdown-btn.open .filter-dropdown-chevron { transform: rotate(180deg); }
.filter-dropdown-panel {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--bg);
  border: 1px solid var(--ink);
  border-top: none;
  z-index: 50;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.filter-dropdown-panel.open { max-height: 480px; }
.filter-dropdown-option {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--mid);
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  transition: background 0.2s, color 0.2s;
}
.filter-dropdown-option:last-child { border-bottom: none; }
.filter-dropdown-option:hover { background: var(--hover); color: var(--ink); }
.filter-dropdown-option.active { color: var(--ink); font-weight: 600; }
.filter-dropdown-option.active::after { content: '✓'; font-size: 0.75rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  #portfolio .filter-tabs { display: none !important; }
  .filter-dropdown { display: block; }
}
@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr !important; }
  .embed-modal { width: 92vw; height: 88vh; }
}
@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: 1fr !important; }
  #portfolio .filter-tabs { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; flex-wrap: nowrap; border: none; gap: 0.5rem; margin-bottom: 2rem; }
  #portfolio .filter-tabs::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; white-space: nowrap; font-size: 0.62rem; padding: 0.6rem 1rem; min-height: 44px; border: 1px solid var(--border) !important; border-radius: 4px; }
  .portfolio-item { padding: 1.5rem 1.2rem; }
  .portfolio-item-title { font-size: 1.2rem; }
  .embed-modal { width: 100vw; height: 100vh; border-radius: 0; }
  .embed-modal-header { padding: 0.85rem 1rem; }
  .embed-modal-tabs { gap: 0.2rem; }
  .embed-tab-btn { font-size: 0.72rem; padding: 0.3rem 0.65rem; min-height: 36px; }
  .copy-link-btn { cursor: auto; }
}