.ai-assistant {
  --ai-ink: #242426;
  --ai-graphite: #303033;
  --ai-orange: #f8b31e;
  --ai-orange-soft: #ffd267;
  --ai-paper: #f5f3ed;
  --ai-surface: #fff;
  --ai-line: rgba(36, 36, 38, 0.11);
  --ai-shadow: 0 30px 80px rgba(20, 20, 22, 0.22);
  --ai-ease: cubic-bezier(0.22, 1, 0.36, 1);
  position: fixed;
  z-index: 1000;
  right: 24px;
  bottom: 24px;
  font-family: "Manrope", "Segoe UI", system-ui, sans-serif;
}

.ai-assistant-trigger {
  position: relative;
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 22px;
  outline: 0;
  background:
    radial-gradient(circle at 28% 22%, var(--ai-orange-soft), transparent 34%),
    var(--ai-orange);
  box-shadow:
    0 18px 40px rgba(248, 179, 30, 0.28),
    0 8px 20px rgba(20, 20, 22, 0.18);
  color: var(--ai-ink);
  cursor: pointer;
  transition: transform 260ms var(--ai-ease), box-shadow 260ms ease, border-radius 260ms var(--ai-ease);
}

.ai-assistant-trigger::before {
  position: absolute;
  top: 9px;
  left: 11px;
  color: rgba(36, 36, 38, 0.62);
  content: "✦";
  font-size: 0.65rem;
}

.ai-assistant-trigger:hover {
  border-radius: 50%;
  box-shadow:
    0 22px 48px rgba(248, 179, 30, 0.34),
    0 10px 24px rgba(20, 20, 22, 0.2);
  transform: translateY(-4px) rotate(-2deg);
}

.ai-assistant-trigger:focus-visible {
  outline: 3px solid rgba(248, 179, 30, 0.45);
  outline-offset: 4px;
}

.ai-assistant-trigger-mark {
  font-family: "Plus Jakarta Sans", "Manrope", sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.ai-assistant-trigger-status {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 13px;
  height: 13px;
  border: 3px solid var(--ai-orange);
  border-radius: 50%;
  background: #35b86b;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.86);
}

.ai-assistant.is-open .ai-assistant-trigger {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.78);
}

.ai-assistant-panel {
  position: absolute;
  right: 0;
  bottom: 84px;
  display: grid;
  width: min(410px, calc(100vw - 32px));
  height: min(680px, calc(100dvh - 124px));
  overflow: hidden;
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 28px;
  background: var(--ai-surface);
  box-shadow: var(--ai-shadow);
  opacity: 0;
  transform: translateY(18px) scale(0.97);
  transform-origin: right bottom;
  transition: opacity 220ms ease, transform 340ms var(--ai-ease);
}

.ai-assistant-panel.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ai-assistant-header {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 84px;
  padding: 15px 16px 15px 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 0%, rgba(248, 179, 30, 0.22), transparent 38%),
    linear-gradient(135deg, #252527, #38383b);
  color: #fff;
}

.ai-assistant-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 32%;
  height: 3px;
  border-radius: 999px 0 0;
  background: var(--ai-orange);
  content: "";
}

.ai-assistant-avatar {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  background: var(--ai-orange);
  box-shadow: 0 10px 26px rgba(248, 179, 30, 0.2);
  color: var(--ai-ink);
  font-family: "Plus Jakarta Sans", "Manrope", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
}

.ai-assistant-header strong,
.ai-assistant-header span {
  display: block;
}

.ai-assistant-header strong {
  margin-bottom: 4px;
  font-family: "Plus Jakarta Sans", "Manrope", sans-serif;
  font-size: 0.95rem;
  font-weight: 750;
}

.ai-assistant-header div > span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.68rem;
}

.ai-assistant-header i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 5px;
  border-radius: 50%;
  background: #48cc7d;
  box-shadow: 0 0 0 3px rgba(72, 204, 125, 0.12);
  vertical-align: 1px;
}

.ai-assistant-close {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  padding: 0 0 2px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.ai-assistant-close:hover {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
}

.ai-assistant-messages {
  display: flex;
  min-height: 0;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  padding: 20px 18px 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(248, 179, 30, 0.07), transparent 35%),
    var(--ai-paper);
  overscroll-behavior: contain;
  scrollbar-color: rgba(36, 36, 38, 0.2) transparent;
  scrollbar-width: thin;
}

.ai-message {
  display: flex;
  max-width: 88%;
  flex-direction: column;
  gap: 8px;
}

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

.ai-message--user {
  align-self: flex-end;
}

.ai-message-bubble {
  padding: 12px 14px;
  border: 1px solid var(--ai-line);
  border-radius: 16px 16px 16px 5px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 7px 20px rgba(36, 36, 38, 0.055);
  color: #4b4a4c;
  font-size: 0.79rem;
  line-height: 1.62;
  white-space: pre-line;
}

.ai-message--user .ai-message-bubble {
  border-color: var(--ai-graphite);
  border-radius: 16px 16px 5px;
  background: var(--ai-graphite);
  box-shadow: 0 10px 24px rgba(36, 36, 38, 0.13);
  color: rgba(255, 255, 255, 0.9);
}

.ai-message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.ai-message-actions a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: 1px solid rgba(248, 179, 30, 0.34);
  border-radius: 999px;
  background: rgba(248, 179, 30, 0.11);
  color: #755000 !important;
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.ai-message-actions a::after {
  content: "↗";
  font-size: 0.8rem;
}

.ai-message-actions a:hover {
  border-color: var(--ai-orange);
  background: var(--ai-orange);
  color: var(--ai-ink) !important;
  transform: translateY(-2px);
}

.ai-message--loading .ai-message-bubble {
  display: flex;
  min-width: 58px;
  align-items: center;
  gap: 5px;
}

.ai-message--loading i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8d8b8a;
  animation: ai-thinking 1.05s ease-in-out infinite;
}

.ai-message--loading i:nth-child(2) {
  animation-delay: 120ms;
}

.ai-message--loading i:nth-child(3) {
  animation-delay: 240ms;
}

@keyframes ai-thinking {
  0%, 70%, 100% { opacity: 0.35; transform: translateY(0); }
  35% { opacity: 1; transform: translateY(-3px); }
}

.ai-assistant-prompts {
  display: flex;
  gap: 7px;
  padding: 11px 14px 5px;
  overflow-x: auto;
  background: var(--ai-surface);
  scrollbar-width: none;
}

.ai-assistant-prompts::-webkit-scrollbar {
  display: none;
}

.ai-assistant-prompts button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  background: #faf9f6;
  color: #676568;
  font: inherit;
  font-size: 0.63rem;
  font-weight: 750;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.ai-assistant-prompts button:hover {
  border-color: rgba(248, 179, 30, 0.46);
  background: rgba(248, 179, 30, 0.1);
  color: var(--ai-ink);
}

.ai-assistant-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  align-items: end;
  gap: 8px;
  margin: 8px 14px 0;
  padding: 6px 6px 6px 14px;
  border: 1px solid var(--ai-line);
  border-radius: 17px;
  background: #faf9f6;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.ai-assistant-form:focus-within {
  border-color: rgba(248, 179, 30, 0.7);
  box-shadow: 0 0 0 3px rgba(248, 179, 30, 0.12);
}

.ai-assistant-form textarea {
  width: 100%;
  max-height: 104px;
  resize: none;
  overflow-y: auto;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ai-ink);
  font: inherit;
  font-size: 0.76rem;
  line-height: 1.45;
}

.ai-assistant-form textarea::placeholder {
  color: #9a9795;
}

.ai-assistant-form button {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 13px;
  background: var(--ai-orange);
  box-shadow: 0 8px 20px rgba(248, 179, 30, 0.22);
  color: var(--ai-ink);
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms var(--ai-ease);
}

.ai-assistant-form button:hover {
  background: var(--ai-orange-soft);
  transform: translateY(-2px);
}

.ai-assistant-form button:disabled {
  opacity: 0.5;
  cursor: wait;
  transform: none;
}

.ai-assistant-form button span {
  font-size: 1.2rem;
  font-weight: 700;
}

.ai-assistant-note {
  margin: 0;
  padding: 8px 17px 12px;
  color: #9b9895;
  font-size: 0.56rem;
  line-height: 1.4;
  text-align: center;
}

@media (max-width: 680px) {
  .ai-assistant {
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
  }

  .ai-assistant-trigger {
    width: 52px;
    height: 52px;
    border-radius: 17px;
  }

  .ai-assistant-panel {
    position: fixed;
    top: 8px;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    width: auto;
    height: auto;
    border-radius: 20px;
    transform-origin: center bottom;
  }

  .ai-assistant-header {
    min-height: 70px;
  }

  .ai-assistant-messages {
    padding: 16px 14px 20px;
  }

  .ai-message {
    max-width: 92%;
  }

  .ai-assistant-form textarea {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-assistant *,
  .ai-assistant *::before,
  .ai-assistant *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}