/* ============================================================
   AI Agents Section — agents.css
   Step 1: Scaffold styles (visible borders, layout structure)
   ============================================================ */

/* Two-column layout container */
.agents-two-col {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: 2rem;
  min-height: 420px;
}

.agents-carousel-area {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.agents-description-panel {
  min-height: 420px;
  padding: 0 0 0 1.25rem;
}

/* Scaffold: list of agent placeholder items */
.agents-placeholder-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.agent-placeholder-item {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  color: #888;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.agent-placeholder-item.is-active {
  border-color: #333;
  color: #111;
  font-weight: 500;
  background: #f5f5f5;
}

/* Arrow navigation buttons */
.agents-arrow-buttons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 40px;
}

.agent-arrow-btn {
  font-family: inherit;
  font-size: 18px;
  font-weight: 400;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  transition:
    background 150ms ease-out,
    color 150ms ease-out,
    border-color 150ms ease-out,
    transform 100ms ease-out;
}

.agent-arrow-btn:hover {
  background: #333;
  color: #fff;
  border-color: #333;
}

.agent-arrow-btn:active {
  transform: scale(0.92);
  background: #111;
  border-color: #111;
}

.agent-arrow-btn:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* Description panel: animated content wrapper */
@keyframes agentDescFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.agents-desc-content {
  animation: agentDescFadeIn 250ms ease-out both;
}

/* Description panel scaffold content */
.agents-desc-placeholder-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #aaa;
  margin-bottom: 0.75rem;
}

.agents-desc-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #111;
}

.agents-desc-chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 1px 8px;
  border: 1px solid #ddd;
  border-radius: 100px;
  color: #666;
  margin-right: 4px;
  margin-bottom: 1rem;
}

.agents-desc-text {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
}

/* Mobile: stack columns */
@media (max-width: 768px) {
  .agents-two-col {
    grid-template-columns: 1fr;
  }

  .agents-carousel-area,
  .agents-description-panel {
    min-height: 240px;
  }
}


/* ============================================================
   Layout A: Playing cards — Step 2
   ============================================================ */

/* Container for the circular card arrangement.
   Cards are absolutely centered inside; overflow:visible lets them
   extend slightly outside without clipping. */
.card-fan-container {
  position: relative;
  height: 420px;
  flex-shrink: 0;
  overflow: visible;
}

/* The card itself — all cards sit at the same center point.
   Slot transforms move them to their positions in the circle. */
.playing-card {
  position: absolute;
  left: calc(50% - 104px);
  top: calc(50% - 145px);
  width: 208px;
  height: 291px;
  background: #fff;
  border: 1.5px solid #d8d8d8;
  border-radius: 16px;
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.10),
    0 1px 4px rgba(0, 0, 0, 0.06);
  transform-origin: center center;
  overflow: hidden;
  filter: grayscale(1);
  opacity: 0.6;
  cursor: pointer;
  transition:
    transform 350ms ease-out,
    filter 350ms ease-out,
    opacity 350ms ease-out;
}

/* ---- Circular slot positions ----
   Slot 0 = front/active  Slot 1 = left  Slot 2 = top-behind  Slot 3 = right
   When the active card changes, each card's data-slot updates and CSS
   animates it to the new position — creating a rotating deck feel. */

.playing-card[data-slot="0"] {
  transform: translate(0, 40px) scale(1.08);
  filter: none;
  opacity: 1;
  z-index: 10;
}

.playing-card[data-slot="1"] {
  transform: translate(-105px, 20px) scale(0.80) rotate(-7deg);
  z-index: 3;
}

.playing-card[data-slot="2"] {
  transform: translate(0, -75px) scale(0.76) rotate(2deg);
  z-index: 2;
}

.playing-card[data-slot="3"] {
  transform: translate(105px, 20px) scale(0.80) rotate(7deg);
  z-index: 3;
}

/* Hover nudge: signals interactivity without activating the card.
   Each slot floats ~12px toward the viewer + slight scale bump.
   Slot 0 (active) is intentionally excluded. */
.playing-card[data-slot="1"].is-hovered {
  transform: translate(-105px, 8px) scale(0.83) rotate(-7deg);
}

.playing-card[data-slot="2"].is-hovered {
  transform: translate(0, -87px) scale(0.79) rotate(2deg);
}

.playing-card[data-slot="3"].is-hovered {
  transform: translate(105px, 8px) scale(0.83) rotate(7deg);
}

/* Red suits (♥ ♦) — color both corners */
.playing-card[data-suit="♥"] .card-corner,
.playing-card[data-suit="♦"] .card-corner {
  color: #b91c1c;
}

/* Corner base styles */
.card-corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  color: #111;
}

/* Top-left */
.card-corner-tl {
  top: 10px;
  left: 12px;
}

/* Bottom-right — rotated 180deg to mirror top-left */
.card-corner-br {
  bottom: 10px;
  right: 12px;
  transform: rotate(180deg);
  transform-origin: center center;
}

.card-rank {
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
}

.card-suit-sym {
  font-size: 14px;
  line-height: 1;
}

/* Colored placeholder in the card center */
.card-image-area {
  position: absolute;
  top: 52px;
  left: 16px;
  right: 16px;
  bottom: 52px;
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  background: var(--card-accent, #ddd);
  opacity: 0.75;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* Keyboard focus ring — box-shadow instead of outline so it isn't clipped */
.playing-card:focus-visible {
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.10),
    0 1px 4px rgba(0, 0, 0, 0.06),
    0 0 0 3px #fff,
    0 0 0 5px #333;
}