/* ============================================================
   home-agent.css — QueBot Intelligent Agent Home Screen
   ============================================================ */

/* -----------------------------------------------
   1. Agent Hero
   ----------------------------------------------- */
.agent-hero {
  text-align: center;
  padding: 32px 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.agent-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.agent-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 8px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.agent-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: agent-pulse-anim 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes agent-pulse-anim {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

/* -----------------------------------------------
   2. Smart Chips
   ----------------------------------------------- */
.agent-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 16px 8px;
}

.agent-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-full, 9999px);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
  background: var(--bg-secondary, #1e1e1e);
  color: var(--text-primary, #ffffff);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  outline: none;
}

.agent-chip:hover {
  border-color: var(--accent-secondary, #6366f1);
  background: var(--bg-hover, rgba(255, 255, 255, 0.06));
}

.agent-chip:active,
.agent-chip.active {
  background: var(--accent-secondary, #6366f1);
  color: #ffffff;
  border-color: var(--accent-secondary, #6366f1);
}

.agent-chip:focus-visible {
  outline: 2px solid var(--accent-secondary, #6366f1);
  outline-offset: 2px;
}

.agent-chip-icon {
  font-size: 1rem;
  line-height: 1;
}

/* -----------------------------------------------
   3. Mini Actions (secondary row)
   ----------------------------------------------- */
.agent-more-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 8px 16px 16px;
}

.agent-action-mini {
  background: none;
  border: none;
  color: var(--text-secondary, #a0a0a0);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm, 6px);
  transition: all var(--transition-fast, 0.15s ease);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  white-space: nowrap;
  outline: none;
}

.agent-action-mini:hover {
  color: var(--text-primary, #ffffff);
  background: var(--bg-hover, rgba(255, 255, 255, 0.06));
}

.agent-action-mini:active {
  color: var(--text-primary, #ffffff);
  background: var(--bg-hover, rgba(255, 255, 255, 0.08));
}

.agent-action-mini:focus-visible {
  outline: 2px solid var(--accent-secondary, #6366f1);
  outline-offset: 2px;
}

/* -----------------------------------------------
   4. Activity Timeline
   ----------------------------------------------- */
.agent-activity {
  padding: 16px 20px 20px;
  max-width: 400px;
  margin: 0 auto;
}

.agent-activity-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary, #a0a0a0);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.agent-activity-dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  flex-shrink: 0;
}

.agent-activity-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.agent-activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-left: 2px solid var(--border-color, rgba(255, 255, 255, 0.12));
  margin-left: 3px;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  font-size: 0.85rem;
  border-radius: 0;
  -webkit-tap-highlight-color: transparent;
}

.agent-activity-item:hover {
  background: var(--bg-hover, rgba(255, 255, 255, 0.06));
  border-left-color: var(--accent-secondary, #6366f1);
  border-radius: 0 var(--radius-sm, 6px) var(--radius-sm, 6px) 0;
}

.agent-activity-item:active {
  background: var(--bg-hover, rgba(255, 255, 255, 0.08));
  border-left-color: var(--accent-secondary, #6366f1);
}

.activity-time {
  color: var(--text-tertiary, #666666);
  font-size: 0.75rem;
  min-width: 40px;
  flex-shrink: 0;
}

.activity-text {
  color: var(--text-primary, #ffffff);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.agent-no-activity {
  color: var(--text-tertiary, #666666);
  font-size: 0.85rem;
  text-align: center;
  padding: 12px;
}

/* -----------------------------------------------
   5. Welcome Screen vertical centering assist
   ----------------------------------------------- */

/* Push content toward vertical center on mobile,
   accounting for fixed input area (~80px) at bottom */
.welcome-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 140px);
  /* 140px = top nav (~60px) + bottom input (~80px) */
  min-height: calc(100dvh - 140px);
  padding-bottom: 20px;
}

/* -----------------------------------------------
   6. Placeholder rotation transition helper
   ----------------------------------------------- */

/* Smooth opacity transition on the textarea for placeholder rotation */
#messageInput {
  transition: opacity 0.3s ease;
}

/* -----------------------------------------------
   7. Responsive — Desktop & Larger Screens
   ----------------------------------------------- */
@media (min-width: 600px) {
  .agent-hero {
    padding: 48px 24px 20px;
  }

  .agent-title {
    font-size: 2.5rem;
  }

  .agent-subtitle {
    font-size: 1.05rem;
  }

  .agent-chips {
    max-width: 520px;
    margin: 0 auto;
    padding: 24px 20px 10px;
  }

  .agent-chip {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .agent-more-actions {
    max-width: 400px;
    margin: 0 auto;
    gap: 16px;
  }

  .agent-action-mini {
    font-size: 0.85rem;
    padding: 8px 12px;
  }

  .agent-activity {
    max-width: 480px;
  }

  .welcome-screen {
    min-height: calc(100vh - 160px);
    min-height: calc(100dvh - 160px);
  }
}

@media (min-width: 900px) {
  .agent-hero {
    padding: 64px 24px 24px;
  }

  .agent-chips {
    max-width: 580px;
  }

  .agent-activity {
    max-width: 520px;
  }
}

/* -----------------------------------------------
   8. Light mode overrides (if needed)
   ----------------------------------------------- */

/* Light mode inherits CSS variables, but ensure
   chip active state text stays white */
[data-theme="light"] .agent-chip:active,
[data-theme="light"] .agent-chip.active {
  color: #ffffff;
}

/* -----------------------------------------------
   9. Reduced motion preference
   ----------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .agent-pulse {
    animation: none;
    opacity: 1;
  }

  #messageInput {
    transition: none;
  }

  .agent-chip,
  .agent-action-mini,
  .agent-activity-item {
    transition: none;
  }
}