:root {
  --ap-bg: #0F1011;
  --ap-surface: #17191B;
  --ap-surface-2: #1E2124;
  --ap-surface-3: #26292D;
  --ap-line: #2A2E32;
  --ap-line-strong: #3A3F45;
  --ap-text: #F3F2EF;
  --ap-muted: #969DA3;
  --ap-dim: #646B71;
  --ap-orange: #FF6B00;
  --ap-orange-hover: #FF8124;
  --ap-orange-soft: rgba(255, 107, 0, .12);
  --ap-blue: #7EC8E3;
  --ap-blue-soft: rgba(126, 200, 227, .12);
  --ap-danger: #F05252;
  --ap-danger-soft: rgba(240, 82, 82, .12);
  --ap-ok: #4CC38A;
  --ap-ok-soft: rgba(76, 195, 138, .12);
  --ap-radius: 8px;
  --ap-radius-lg: 12px;
  --ap-sidebar: 232px;
  --ap-font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --ap-font-body: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.ap-icon-btn {
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--ap-radius); border: 1px solid transparent; background: none;
  color: var(--ap-muted); cursor: pointer; font-size: 18px;
}
.ap-icon-btn:hover { background: var(--ap-surface-2); color: var(--ap-text); }

.ap-ai-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; border: 1px solid var(--ap-line-strong);
  background: var(--ap-surface-2); color: var(--ap-text);
  font-family: var(--ap-font-body); font-size: 15px; font-weight: 600; cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .45);
  transition: border-color .15s, transform .15s;
}
.ap-ai-fab i { color: var(--ap-orange); font-size: 19px; }
.ap-ai-fab:hover { border-color: var(--ap-orange); }
.ap-ai-fab.is-hidden { display: none; }

.ap-ai-panel {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  width: min(420px, calc(100vw - 32px)); height: min(640px, calc(100vh - 44px));
  display: none; flex-direction: column;
  background: var(--ap-surface); border: 1px solid var(--ap-line-strong); border-radius: 16px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .6);
  font-family: var(--ap-font-body); color: var(--ap-text); overflow: hidden;
}
.ap-ai-panel.is-open { display: flex; }
.ap-ai-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--ap-line); }
.ap-ai-head h2 { flex: 1; margin: 0; font-family: var(--ap-font-display); font-size: 21px; font-weight: 700; letter-spacing: .2px; }
.ap-ai-head h2 small { display: block; font-family: var(--ap-font-body); font-size: 12px; font-weight: 400; color: var(--ap-muted); letter-spacing: 0; }

.ap-ai-tabs { display: flex; gap: 4px; padding: 8px 12px 0; border-bottom: 1px solid var(--ap-line); }
.ap-ai-tab {
  padding: 8px 14px; border: 0; background: none; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 600; color: var(--ap-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.ap-ai-tab:hover { color: var(--ap-text); }
.ap-ai-tab.is-on { color: var(--ap-text); border-bottom-color: var(--ap-orange); }
.ap-ai-photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.ap-ai-photos a { position: relative; display: block; aspect-ratio: 3 / 2; border-radius: 8px; overflow: hidden; background: var(--ap-surface-3); text-decoration: none !important; }
.ap-ai-photos img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .2s; }
.ap-ai-photos a:hover img { transform: scale(1.05); }
.ap-ai-photos span { position: absolute; left: 4px; bottom: 4px; font-size: 11px; font-weight: 600; color: #fff; background: rgba(0,0,0,.65); padding: 0 5px; border-radius: 4px; }
.ap-ai-msg.bot a { color: var(--ap-orange); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.ap-ai-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.ap-ai-msg { max-width: 88%; padding: 10px 13px; border-radius: 12px; font-size: 15px; line-height: 1.5; word-wrap: break-word; }
.ap-ai-msg.user { align-self: flex-end; background: var(--ap-orange); color: #fff; border-bottom-right-radius: 4px; }
.ap-ai-msg.bot { align-self: flex-start; background: var(--ap-surface-2); border-bottom-left-radius: 4px; }
.ap-ai-msg.bot ul { margin: 6px 0; padding-left: 18px; }
.ap-ai-msg.bot li { margin: 2px 0; }
.ap-ai-msg.bot p { margin: 0 0 6px; }
.ap-ai-msg.bot p:last-child { margin-bottom: 0; }
.ap-ai-msg.error { align-self: stretch; max-width: none; background: var(--ap-danger-soft); color: #FFB4B4; font-size: 14px; }
.ap-ai-thinking { align-self: flex-start; color: var(--ap-muted); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.ap-ai-thinking::before {
  content: ''; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--ap-line-strong); border-top-color: var(--ap-orange);
  animation: ap-spin .8s linear infinite;
}
@keyframes ap-spin { to { transform: rotate(360deg); } }

.ap-ai-empty { color: var(--ap-muted); font-size: 14px; line-height: 1.5; }
.ap-ai-empty p { margin: 0 0 12px; }
.ap-ai-suggest { display: flex; flex-direction: column; gap: 8px; }
.ap-ai-suggest button {
  text-align: left; padding: 10px 12px; border-radius: var(--ap-radius);
  border: 1px solid var(--ap-line); background: var(--ap-bg); color: var(--ap-text);
  font-family: inherit; font-size: 14px; cursor: pointer;
}
.ap-ai-suggest button:hover { border-color: var(--ap-orange); }

.ap-ai-form { display: flex; gap: 8px; align-items: flex-end; padding: 12px; border-top: 1px solid var(--ap-line); }
.ap-ai-form textarea {
  flex: 1; resize: none; min-height: 42px; max-height: 140px;
  padding: 10px 12px; border-radius: var(--ap-radius); border: 1px solid var(--ap-line);
  background: var(--ap-bg); color: var(--ap-text); font-family: inherit; font-size: 15px; line-height: 1.4;
}
.ap-ai-form textarea:focus { outline: none; border-color: var(--ap-orange); }
.ap-ai-send {
  width: 42px; height: 42px; flex: none; border-radius: var(--ap-radius); border: 0;
  background: var(--ap-orange); color: #fff; font-size: 19px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.ap-ai-send:disabled { background: var(--ap-surface-3); color: var(--ap-dim); cursor: not-allowed; }
.ap-ai-note { padding: 0 14px 10px; font-size: 11px; color: var(--ap-dim); }

.ap-ai-panel.ap-ai-public { z-index: 10050; }
.ap-ai-fab.ap-ai-public { z-index: 9980; }

html.ap-ai-lock, html.ap-ai-lock body { overflow: hidden; }

@media (max-width: 860px) {
  .ap-ai-fab { right: 14px; bottom: calc(80px + env(safe-area-inset-bottom, 0px)); padding: 0; width: 54px; height: 54px; justify-content: center; }
  .ap-ai-fab i { font-size: 24px; }
  .ap-ai-fab span { display: none; }

  .ap-ai-fab.ap-ai-public { bottom: calc(18px + env(safe-area-inset-bottom, 0px)); }

  .ap-ai-panel { inset: 0; width: auto; height: 100%; height: 100dvh; border-radius: 0; border: 0; }
  .ap-ai-head { padding: 10px 8px 10px 16px; padding-top: calc(10px + env(safe-area-inset-top, 0px)); }
  .ap-ai-head h2 { font-size: 22px; }
  .ap-ai-head .ap-icon-btn { width: 44px; height: 44px; font-size: 22px; }
  .ap-ai-head [data-act="close"] { background: var(--ap-surface-2); border-radius: 50%; color: var(--ap-text); }
  .ap-ai-log { padding: 14px 12px; }
  .ap-ai-msg { max-width: 92%; font-size: 15.5px; }
  .ap-ai-form { padding: 10px 10px calc(10px + env(safe-area-inset-bottom, 0px)); }

  .ap-ai-form textarea { font-size: 16px; }
  .ap-ai-send { width: 46px; height: 46px; }
  .ap-ai-note { padding: 0 12px 8px; }
  .ap-ai-photos { gap: 5px; }
}

.ap-ai-fab:focus-visible, .ap-ai-panel button:focus-visible { outline: 2px solid var(--ap-blue); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .ap-ai-thinking::before { animation-duration: 2s; }
  .ap-ai-photos img { transition: none; }
}