/* NAIOSH Hub AI Assistant — parity with Naiosh Fit floating agent */

.hub-ai-fab {
  position: fixed;
  bottom: 2rem;
  left: 1rem;
  z-index: 10020;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(145deg, #ef4444 0%, #dc2626 55%, #b91c1c 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 28px rgba(185, 28, 28, 0.35);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hub-ai-fab:hover {
  transform: scale(1.03);
  box-shadow: 0 18px 34px rgba(185, 28, 28, 0.42);
}

.hub-ai-fab i {
  font-size: 1.35rem;
  color: #fff;
  pointer-events: none;
}

.hub-ai-panel {
  position: fixed;
  bottom: 7rem;
  left: 1rem;
  z-index: 10019;
  width: min(24rem, calc(100vw - 2rem));
  max-height: min(32rem, calc(100vh - 8rem));
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid rgba(220, 38, 38, 0.15);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.22);
  display: none;
  flex-direction: column;
  font-family: 'Cairo', 'Tajawal', sans-serif;
  color: #0f172a;
}

.hub-ai-panel.is-open {
  display: flex;
}

.hub-ai-panel::before {
  content: '';
  pointer-events: none;
  position: absolute;
  inset-inline: 2rem;
  top: 0;
  height: 4rem;
  border-radius: 999px;
  background: rgba(220, 38, 38, 0.18);
  filter: blur(28px);
}

.hub-ai-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.95);
  color: #dc2626;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.hub-ai-body {
  position: relative;
  z-index: 1;
  height: 28rem;
  max-height: min(28rem, calc(100vh - 9rem));
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.hub-ai-card {
  height: 100%;
  display: none;
  flex-direction: column;
  min-height: 0;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}
.hub-ai-card.is-active {
  display: flex;
}

.hub-ai-head {
  padding: 1.1rem 1.1rem 0.9rem;
  border-bottom: 1px solid #eef2f7;
  background: linear-gradient(90deg, rgba(220, 38, 38, 0.1), rgba(220, 38, 38, 0.04), transparent);
}

.hub-ai-head-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 900;
  color: #0f172a;
  margin: 0 0 0.35rem;
}

.hub-ai-head-title i {
  color: #dc2626;
}

.hub-ai-head-lead {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  font-weight: 600;
  color: #64748b;
}

.hub-ai-chip {
  display: inline-flex;
  margin-top: 0.55rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: #e2e8f0;
  color: #334155;
  font-size: 0.7rem;
  font-weight: 800;
}

.hub-ai-gate,
.hub-ai-chat {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.hub-ai-gate {
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
}

.hub-ai-welcome {
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  background: #f1f5f9;
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.7;
  font-weight: 600;
  color: #475569;
}

.hub-ai-actions {
  display: grid;
  gap: 0.65rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.hub-ai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  border-radius: 0.85rem;
  border: 1px solid transparent;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
}

.hub-ai-btn-primary {
  background: #0f172a;
  color: #fff;
}

.hub-ai-btn-primary:hover {
  background: #1e293b;
}

.hub-ai-btn-guest {
  background: rgba(220, 38, 38, 0.06);
  border-color: rgba(220, 38, 38, 0.25);
  color: #7f1d1d;
}

.hub-ai-btn-guest:hover {
  background: rgba(220, 38, 38, 0.12);
}

.hub-ai-messages {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hub-ai-empty {
  margin: auto;
  text-align: center;
  color: #64748b;
  padding: 1.25rem;
}

.hub-ai-empty i {
  font-size: 2.5rem;
  color: rgba(220, 38, 38, 0.55);
  margin-bottom: 0.75rem;
}

.hub-ai-empty strong {
  display: block;
  font-size: 1rem;
  color: #0f172a;
  margin-bottom: 0.35rem;
}

.hub-ai-empty p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  font-weight: 600;
}

.hub-ai-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.hub-ai-row.is-user {
  flex-direction: row-reverse;
}

.hub-ai-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  background: #475569;
}

.hub-ai-row.is-user .hub-ai-avatar {
  background: #dc2626;
}

.hub-ai-bubble {
  max-width: calc(100% - 3rem);
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  background: rgba(241, 245, 249, 0.85);
  padding: 0.75rem 0.85rem;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.hub-ai-row.is-user .hub-ai-bubble {
  background: #dc2626;
  border-color: rgba(220, 38, 38, 0.2);
  color: #fff;
}

.hub-ai-bubble p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  font-weight: 600;
  white-space: pre-wrap;
}

.hub-ai-bubble time {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.7rem;
  opacity: 0.7;
}

.hub-ai-thinking {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #64748b;
  font-size: 0.85rem;
  font-weight: 700;
}

.hub-ai-composer {
  display: flex;
  gap: 0.5rem;
  padding: 0.9rem;
  border-top: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.92);
}

.hub-ai-composer input {
  flex: 1;
  min-width: 0;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-weight: 600;
  background: #fff;
  text-align: right;
}

.hub-ai-composer button {
  width: 2.6rem;
  height: 2.6rem;
  border: 0;
  border-radius: 0.75rem;
  background: #dc2626;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
}

.hub-ai-composer button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Keep page-guide clear of the AI FAB (Fit layout: AI bottom-left) */
.hub-guide-button {
  bottom: 6.35rem !important;
}

@media (max-width: 720px) {
  .hub-ai-fab {
    bottom: 1.35rem;
    left: 0.85rem;
    width: 3.25rem;
    height: 3.25rem;
  }

  .hub-ai-panel {
    left: 0.85rem;
    bottom: 5.5rem;
    max-height: min(30rem, calc(100vh - 6.5rem));
  }

  .hub-ai-body {
    height: min(26rem, calc(100vh - 7.5rem));
  }

  .hub-guide-button {
    bottom: 5.4rem !important;
    left: 0.85rem !important;
  }
}