/* ==========================================================================
   Quick Metrics band + AI Portfolio Explorer — a single morphing
   input+response component, not a chat UI. No bubbles, no avatars,
   no left/right layout. Blue accent only, generous spacing.
   ========================================================================== */

/* ---- Locked first screen (100vh, no scroll until "Web View") ----
   Full-height layout: compact greeting up top, then the explorer panel
   fills essentially all remaining space, input pinned at its top and
   the response filling downward beneath it — not a small card floating
   in empty space. */
.chat-gate-screen {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
  padding: clamp(1.25rem, 3vh, 2.5rem) 1.5rem;
}

.chat-gate-inner {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  width: 100%;
  margin-inline: auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  text-align: center;
}

.chat-gate-greeting {
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-block: 0.75rem 0.5rem;
  flex-shrink: 0;
}

.chat-gate-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.chat-gate-screen .explorer-panel {
  text-align: left;
  max-width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ---- Quick Metrics ---- */
.metrics-band {
  padding-block: 3rem;
  border-block: 1px solid var(--border-glass);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.metric-tile {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-tile strong {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.metric-tile span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---- Explorer panel ---- */
.explorer {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.explorer-panel {
  max-width: 880px;
  margin-inline: auto;
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: 18px;
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
}

.explorer-head {
  text-align: center;
  margin-bottom: 2rem;
}

.explorer-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.explorer-head p {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.explorer-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.5rem 0.4rem 1.5rem;
  border-radius: 18px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass-strong);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.explorer-input-row:focus-within {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(var(--accent-1-rgb), 0.14);
}

.explorer-input-icon {
  color: var(--accent-1);
  font-size: 1rem;
  flex-shrink: 0;
}

.explorer-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  padding-block: 0.85rem;
}

.explorer-input-row input:focus-visible {
  outline: none;
}

.explorer-input-row button {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--accent-1);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(var(--accent-1-rgb), 0.3);
  transition: box-shadow var(--transition-fast);
}

.explorer-input-row button:hover {
  box-shadow: 0 6px 22px rgba(var(--accent-1-rgb), 0.45);
}

.explorer-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  flex-shrink: 0;
}

.explorer-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem 0.45rem 0.45rem;
  border-radius: 14px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.explorer-chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-size: 0.95rem;
  background: var(--surface-glass-strong); /* fallback if color-mix() is unsupported */
  background: color-mix(in srgb, var(--chip-color, var(--accent-1)) 22%, transparent);
  flex-shrink: 0;
}

.explorer-chip:hover {
  color: var(--text-primary);
  border-color: var(--chip-color, var(--accent-1));
  transform: translateY(-2px);
}

.explorer-chip.is-active {
  background: var(--chip-color, var(--accent-1)); /* fallback if color-mix() is unsupported */
  background: color-mix(in srgb, var(--chip-color, var(--accent-1)) 85%, var(--bg-primary) 15%);
  border-color: transparent;
  color: #fff;
}

.explorer-chip.is-active .explorer-chip-icon {
  background: rgba(255, 255, 255, 0.2);
}

/* ---- Response area — fills all remaining space below the pinned
   input/chips, scrolling internally if content runs taller than that. ---- */
.explorer-response-wrap {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.explorer-response-wrap.is-open {
  margin-top: 1.75rem;
}

.explorer-response {
  min-height: 0;
}

.explorer-response-inner > * {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(4px);
  animation: explorerRise 550ms var(--ease-out) forwards;
}

.explorer-response-inner > *:nth-child(1) { animation-delay: 40ms; }
.explorer-response-inner > *:nth-child(2) { animation-delay: 110ms; }
.explorer-response-inner > *:nth-child(3) { animation-delay: 180ms; }
.explorer-response-inner > *:nth-child(4) { animation-delay: 250ms; }
.explorer-response-inner > *:nth-child(5) { animation-delay: 320ms; }

@keyframes explorerRise {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.explorer-response-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
}

.explorer-response-text {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
  max-width: 100%;
  margin-bottom: 1.5rem;
}

.explorer-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.explorer-metric {
  flex: 1;
  min-width: 140px;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  text-align: center;
}

.explorer-metric strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-1);
}

.explorer-metric span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.explorer-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.explorer-cta {
  display: flex;
  margin-bottom: 1.75rem;
}

.explorer-followups {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.explorer-followups-label {
  width: 100%;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* ---- Dynamic project cards: tilt (js/tilt.js) + gradient border + mouse light ---- */
.explorer-card {
  position: relative;
  padding: 1.25rem;
  border-radius: 18px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  cursor: pointer;
}

.explorer-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(var(--accent-1-rgb), 0.6), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.explorer-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--accent-1-rgb), 0.16), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.explorer-card:hover::before,
.explorer-card:hover::after {
  opacity: 1;
}

.explorer-card-thumb {
  height: 130px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.explorer-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.explorer-card h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.explorer-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.explorer-card-links {
  display: flex;
  gap: 0.75rem;
  font-size: 0.78rem;
}

.explorer-card-links a {
  color: var(--accent-1);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .explorer-response-inner > * {
    animation: none;
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (max-width: 700px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 1rem;
  }
}