/* =========================================================================
   AI Search Modal
   ========================================================================= */

#kyos-ai-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
}

#kyos-ai-modal.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8vh;
}

.kyos-ai-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
}

.kyos-ai-panel {
  position: relative;
  width: 90%;
  max-width: 680px;
  max-height: 75vh;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: kyosSlideUp 0.2s ease-out;
}

@keyframes kyosSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header */
.kyos-ai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid #E2E8F0;
  flex-shrink: 0;
}

.kyos-ai-header__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1E293B;
}

.kyos-ai-header__title svg {
  color: #06B6D4;
}

.kyos-ai-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #94A3B8;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}

.kyos-ai-close:hover { color: #1E293B; }

/* Messages */
.kyos-ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  min-height: 200px;
}

/* Welcome */
.kyos-ai-welcome {
  text-align: center;
  padding: 1rem 0;
}

.kyos-ai-welcome p {
  color: #64748B;
  font-size: 0.875rem;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.kyos-ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.kyos-ai-suggestions button {
  padding: 0.4rem 0.75rem;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  background: #F8FAFC;
  color: #475569;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kyos-ai-suggestions button:hover {
  border-color: #06B6D4;
  color: #0891B2;
  background: rgba(6, 182, 212, 0.04);
}

/* Messages */
.kyos-ai-msg {
  max-width: 90%;
  font-size: 0.875rem;
  line-height: 1.6;
}

.kyos-ai-msg--user {
  align-self: flex-end;
  background: #1E293B;
  color: #fff;
  padding: 0.625rem 1rem;
  border-radius: 12px 12px 4px 12px;
}

.kyos-ai-msg--assistant {
  align-self: flex-start;
}

.kyos-ai-answer {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  padding: 1rem 1.25rem;
  border-radius: 4px 12px 12px 12px;
  color: #1E293B;
}

.kyos-ai-answer h3,
.kyos-ai-answer h4 {
  margin: 0.75rem 0 0.375rem;
  font-size: 0.9rem;
  color: #0F172A;
}

.kyos-ai-answer h3:first-child,
.kyos-ai-answer h4:first-child {
  margin-top: 0;
}

.kyos-ai-answer ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0;
}

.kyos-ai-answer li {
  margin-bottom: 0.3rem;
}

.kyos-ai-answer a {
  color: #0891B2;
  text-decoration: none;
  font-weight: 500;
}

.kyos-ai-answer a:hover {
  text-decoration: underline;
}

.kyos-ai-answer code {
  background: #E2E8F0;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.8em;
  font-family: 'JetBrains Mono', monospace;
}

.kyos-ai-answer strong {
  color: #0F172A;
}

.kyos-ai-answer p {
  margin: 0.5rem 0;
}

.kyos-ai-answer p:first-child { margin-top: 0; }
.kyos-ai-answer p:last-child { margin-bottom: 0; }

/* Loading */
.kyos-ai-loading {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 4px 12px 12px 12px;
  width: fit-content;
}

.kyos-ai-loading span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #94A3B8;
  animation: kyosBounce 1.4s ease-in-out infinite both;
}

.kyos-ai-loading span:nth-child(2) { animation-delay: 0.16s; }
.kyos-ai-loading span:nth-child(3) { animation-delay: 0.32s; }

@keyframes kyosBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Input */
.kyos-ai-input-row {
  display: flex;
  padding: 0.75rem 1rem;
  border-top: 1px solid #E2E8F0;
  gap: 0.5rem;
  flex-shrink: 0;
  background: #fff;
}

#kyos-ai-input {
  flex: 1;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  outline: none;
  background: #F8FAFC;
  color: #0F172A;
  transition: all 0.15s ease;
}

#kyos-ai-input:focus {
  border-color: #06B6D4;
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
  background: #fff;
}

#kyos-ai-input::placeholder { color: #94A3B8; }

#kyos-ai-send {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: #1E293B;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s ease;
}

#kyos-ai-send:hover { background: #334155; }

/* Keyboard shortcut hint */
.kyos-nav__search input::placeholder {
  font-size: 0.7rem;
}

/* Responsive */
@media (max-width: 640px) {
  #kyos-ai-modal.active { padding-top: 0; }
  .kyos-ai-panel {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
    height: 100vh;
  }
}