/* ============================================================
 * EntityCard — universal card component (Stage 2)
 * Used for assets, scenarios, agents, and any future entity.
 *
 * Structure:
 *   <article class="entity-card" data-entity-type="..." data-entity-id="...">
 *     <div class="entity-card-preview">
 *       <div class="entity-card-media">...</div>
 *       <span class="entity-card-chip">...</span>
 *       <div class="entity-card-menu-wrap">
 *         <button class="entity-card-menu-toggle">⋮</button>
 *         <div class="entity-card-menu">...</div>
 *       </div>
 *     </div>
 *     <div class="entity-card-body">
 *       <div class="entity-card-title">...</div>
 *       <div class="entity-card-subtitle">...</div>
 *       <div class="entity-card-meta">...</div>
 *     </div>
 *   </article>
 *
 * Layout: place inside `.entity-grid` (defined in shared.css).
 * Per-tenant column width comes from --card-min-width (Stage 3).
 * ============================================================ */

.entity-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-lg);
  /* overflow: visible — was 'hidden' but that clipped the dropdown menu
   * (especially on mobile where the menu drops below the card). Children
   * with their own overflow:hidden (.entity-card-media, .entity-card-body)
   * still keep rounded corners visually. */
  overflow: visible;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

@media (hover: hover) {
  .entity-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
}

.entity-card-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.entity-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-secondary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Round only the top corners so the card's outer border-radius is honored
   * even though the parent now has overflow:visible. */
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.entity-card-media img,
.entity-card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.entity-card-media-placeholder {
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  text-align: center;
}

.entity-card-placeholder-icon {
  font-size: 32px;
  opacity: 0.6;
}

.entity-card-placeholder-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  word-break: break-word;
}

.entity-card-chip {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  padding: 4px 8px;
  border-radius: var(--border-radius-md);
  background-color: rgba(0, 0, 0, 0.6);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  pointer-events: none;
}

/* Menu wrap is positioned, not the toggle, so that the dropdown
 * is anchored to a stable point even when toggle is re-rendered. */
.entity-card-menu-wrap {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
}

/* When the card has no media area (e.g. agent cards), the menu wrap
 * floats over the top-right corner of the body so the ⋮ stays reachable. */
.entity-card-no-media {
  position: relative;
}
.entity-card-menu-wrap-floating {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  z-index: 2;
}

.entity-card-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
  border: none;
  border-radius: var(--border-radius-md);
  background-color: rgba(0, 0, 0, 0.6);
  color: var(--color-white);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

@media (hover: hover) {
  .entity-card-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.8);
  }
}

/* ── Action menu (Stage 3.5+ — portaled, viewport-centered) ──────────
 * The menu element starts in the card's DOM (so re-renders own it),
 * but EntityCardController moves it to <body> when it opens. CSS here
 * just defines the closed (hidden) and open (centered card) states.
 *
 * Why centered instead of dropdown:
 *  - Dropdowns get clipped by parent overflow / scroll containers.
 *  - On mobile a 6-item list dropping below the toggle is half off-screen.
 *  - Centered action-sheet = predictable position regardless of card location.
 */
.entity-card-menu {
  /* Closed state — hidden in card DOM, no flow impact. */
  display: none;
  flex-direction: column;
  gap: 2px;
}

.entity-card-menu.open {
  /* Open state — portaled to <body>, centered in viewport. */
  display: flex;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(380px, 92vw);
  max-height: min(80vh, 560px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--spacing-sm);
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  z-index: 1101;
  animation: entity-card-menu-pop 140ms cubic-bezier(.2, .9, .3, 1.1);
}

@keyframes entity-card-menu-pop {
  from { opacity: 0; transform: translate(-50%, -48%) scale(0.96); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.entity-card-menu-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: 1100;
  animation: entity-card-backdrop-fade 120ms ease-out;
}

@keyframes entity-card-backdrop-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Header row injected by the controller — title of the entity + close X. */
.entity-card-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) var(--spacing-md);
  margin: calc(var(--spacing-sm) * -1) calc(var(--spacing-sm) * -1) var(--spacing-xs);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary, rgba(0, 0, 0, 0.03));
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  position: sticky;
  top: calc(var(--spacing-sm) * -1);
  z-index: 1;
}

.entity-card-menu-header-title {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.entity-card-menu-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.entity-card-menu-close:hover {
  background-color: rgba(0, 0, 0, 0.08);
}

/* Lock body scroll while a menu is open so the backdrop click is the
 * only way to dismiss (besides ESC or selecting an item). */
body.entity-card-menu-open {
  overflow: hidden;
}

.entity-card-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  text-align: left;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  min-height: var(--touch-target-min);
}

.entity-card-menu-item:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
}

.entity-card-menu-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.entity-card-menu-item.danger {
  color: var(--color-error);
}

.entity-card-menu-divider {
  height: 1px;
  margin: var(--spacing-xs) 0;
  background-color: var(--color-border);
}

.entity-card-menu-group-label {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.entity-card-body {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
}

.entity-card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  line-height: 1.3;
  word-break: break-word;
}

.entity-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
  word-break: break-word;
}

.entity-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.entity-card-meta-chip {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 12px;
  white-space: nowrap;
}

.entity-card-meta-chip.success { background-color: var(--color-success); color: var(--color-white); }
.entity-card-meta-chip.warning { background-color: var(--color-warning); color: var(--color-white); }
.entity-card-meta-chip.error   { background-color: var(--color-error);   color: var(--color-white); }
.entity-card-meta-chip.info    { background-color: var(--color-info);    color: var(--color-white); }

/* Dark mode */
@media (prefers-color-scheme: dark) {
  .entity-card {
    background-color: var(--color-dark-bg-secondary);
    border-color: var(--color-dark-border);
  }
  .entity-card-menu {
    background-color: var(--color-dark-bg-secondary);
    border-color: var(--color-dark-border);
  }
  .entity-card-menu-item {
    color: var(--color-dark-text);
  }
  .entity-card-menu-item:hover:not(:disabled) {
    background-color: var(--color-dark-bg);
  }
  .entity-card-meta-chip {
    background-color: var(--color-dark-bg);
    color: var(--color-dark-text-secondary);
  }
}

/* Mobile: larger menu items for fat-finger taps. The menu is centered
 * (action-sheet style) regardless of viewport, so no positioning
 * overrides are needed here anymore. */
@media (max-width: 640px) {
  .entity-card-menu.open {
    width: min(420px, 94vw);
  }
  .entity-card-menu-item {
    font-size: 15px;
    padding: 14px 16px;
    min-height: 48px;
  }
  .entity-card-menu-header-title {
    font-size: 15px;
  }
}

/* ── Agents Edit modal layout ─────────────────────────────────────────
 * Two-column grid for Name + Description on wide screens, single
 * column on mobile. Keeps the prompt textarea full-width below. */
.agents-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md, 12px);
}
@media (max-width: 640px) {
  .agents-edit-grid {
    grid-template-columns: 1fr;
  }
  /* On phones, give the prompt textarea more breathing room. */
  #agent-edit-prompt {
    min-height: 55vh !important;
    height: 55vh !important;
  }
}