.ptp-ai-assistant {
  position: fixed;
  left: 50%;
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 5600;
  width: min(620px, calc(100vw - 32px));
  transform: translateX(-50%);
  color: var(--text);
  font-family: Arial, Helvetica, "Segoe UI", sans-serif;
}
.ptp-ai-assistant [hidden] { display: none !important; }

.preview-wrap.is-preview-fullscreen > .ptp-ai-assistant {
  z-index: 10030;
  bottom: max(18px, env(safe-area-inset-bottom));
}
.preview-wrap.is-preview-fullscreen > .ptp-ai-assistant .ptp-ai-panel {
  max-height: min(720px, calc(100dvh - 36px));
}

.ptp-ai-launcher {
  width: min(430px, 100%);
  min-height: 58px;
  margin: 0 auto;
  padding: 7px 9px 7px 8px;
  display: flex;
  align-items: center;
  gap: 11px;
  border: 1px solid rgba(148, 163, 184, .42);
  border-radius: 19px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 91%, transparent);
  box-shadow: 0 18px 50px rgba(15, 23, 42, .20), inset 0 1px rgba(255, 255, 255, .7);
  backdrop-filter: blur(22px) saturate(150%);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.ptp-ai-launcher:hover { transform: translateY(-2px); border-color: rgba(37, 99, 235, .48); box-shadow: 0 22px 58px rgba(15, 23, 42, .24); }
.ptp-ai-launcher:focus-visible, .ptp-ai-panel button:focus-visible, .ptp-ai-panel textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 32%, transparent); outline-offset: 2px; }
.ptp-ai-launcher-mark, .ptp-ai-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: linear-gradient(145deg, #2563eb, #7c3aed);
  box-shadow: 0 8px 20px rgba(79, 70, 229, .3);
}
.ptp-ai-launcher-mark { width: 42px; height: 42px; border-radius: 14px; }
.ptp-ai-launcher-mark svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.ptp-ai-launcher-copy { min-width: 0; display: grid; flex: 1; text-align: start; }
.ptp-ai-launcher-copy strong { font-size: 14px; line-height: 1.25; }
.ptp-ai-launcher-copy small { margin-top: 2px; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.ptp-ai-launcher-arrow { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 11px; background: color-mix(in srgb, var(--accent) 9%, transparent); color: var(--accent); }
.ptp-ai-launcher-arrow svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 2; }

.ptp-ai-panel {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-height: min(680px, calc(100vh - 36px));
  border: 1px solid rgba(148, 163, 184, .38);
  border-radius: 26px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: 0 30px 80px rgba(15, 23, 42, .28), inset 0 1px rgba(255, 255, 255, .75);
  backdrop-filter: blur(28px) saturate(145%);
  animation: ptp-ai-rise .24s cubic-bezier(.2,.8,.2,1);
}
@keyframes ptp-ai-rise { from { opacity: 0; transform: translateY(14px) scale(.985); } }
.ptp-ai-header { min-height: 128px; padding: 12px 16px 10px; display: grid; align-content: center; gap: 8px; border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent); }
.ptp-ai-header-main { min-width: 0; display: flex; align-items: center; gap: 12px; }
.ptp-ai-mark { width: 43px; height: 43px; border-radius: 15px; }
.ptp-ai-mark svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.ptp-ai-heading { min-width: 0; display: grid; flex: 1; }
.ptp-ai-heading span { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.ptp-ai-heading strong { margin-top: 2px; font-size: 16px; }
.ptp-ai-model { padding: 5px 8px; display: inline-flex; align-items: center; gap: 5px; border: 1px solid color-mix(in srgb, var(--accent) 23%, transparent); border-radius: 999px; color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, transparent); font-size: 10px; font-weight: 800; }
.ptp-ai-model::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #94a3b8; box-shadow: 0 0 0 3px rgba(148,163,184,.12); }
.ptp-ai-model[data-state='ready']::before { background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,.13); }
.ptp-ai-model[data-state='daily_limit']::before, .ptp-ai-model[data-state='circuit_open']::before, .ptp-ai-model[data-state='capacity']::before { background: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,.13); }
.ptp-ai-model[data-state='disabled']::before, .ptp-ai-model[data-state='not_configured']::before, .ptp-ai-model[data-state='rollout_unavailable']::before, .ptp-ai-model[data-state='unavailable']::before { background: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,.12); }
.ptp-ai-icon-button { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 12px; color: var(--muted); background: transparent; cursor: pointer; }
.ptp-ai-icon-button:hover { color: var(--text); background: color-mix(in srgb, var(--line) 42%, transparent); }
.ptp-ai-icon-button svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 2; }
.ptp-ai-liability-notice { min-width: 0; padding: 6px 9px; display: flex; align-items: center; gap: 8px; border: 1px solid color-mix(in srgb, #f59e0b 28%, var(--line)); border-radius: 11px; color: color-mix(in srgb, var(--text) 72%, #92400e); background: color-mix(in srgb, #f59e0b 7%, var(--panel)); font-size: 9.5px; font-weight: 650; line-height: 1.35; }
.ptp-ai-liability-notice img { width: 22px; height: 22px; flex: 0 0 22px; object-fit: contain; }
.ptp-ai-liability-notice span { min-width: 0; }
.ptp-ai-context { min-height: 38px; padding: 8px 16px; display: flex; align-items: center; gap: 7px; color: var(--muted); background: color-mix(in srgb, var(--accent) 4%, transparent); font-size: 11px; }
.ptp-ai-context-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,.11); }
.ptp-ai-assistant[data-runtime-state='daily_limit'] .ptp-ai-context-dot, .ptp-ai-assistant[data-runtime-state='circuit_open'] .ptp-ai-context-dot, .ptp-ai-assistant[data-runtime-state='capacity'] .ptp-ai-context-dot { background: #f59e0b; box-shadow: 0 0 0 4px rgba(245,158,11,.12); }
.ptp-ai-assistant[data-runtime-state='disabled'] .ptp-ai-context-dot, .ptp-ai-assistant[data-runtime-state='not_configured'] .ptp-ai-context-dot, .ptp-ai-assistant[data-runtime-state='rollout_unavailable'] .ptp-ai-context-dot, .ptp-ai-assistant[data-runtime-state='unavailable'] .ptp-ai-context-dot { background: #ef4444; box-shadow: 0 0 0 4px rgba(239,68,68,.11); }
.ptp-ai-context > span:nth-child(2) { flex: 1; }
.ptp-ai-context button { padding: 4px 7px; border: 0; color: var(--accent); background: transparent; font-size: 10px; font-weight: 700; cursor: pointer; }
.ptp-ai-context-actions { display: flex; align-items: center; gap: 2px; }
.ptp-ai-context-actions button { display: inline-flex; align-items: center; gap: 5px; border-radius: 8px; }
.ptp-ai-context-actions button:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.ptp-ai-context-actions #ptpAiDirectEdit[aria-pressed='true'] { color: #15803d; background: rgba(34,197,94,.1); }
.ptp-ai-context-actions b { min-width: 17px; padding: 2px 5px; border-radius: 999px; color: #fff; background: var(--accent); font-size: 9px; line-height: 1.35; text-align: center; }
.ptp-ai-messages { min-height: 210px; max-height: min(370px, calc(100vh - 310px)); padding: 18px 16px 8px; overflow-y: auto; scrollbar-width: thin; }
.ptp-ai-message { display: flex; align-items: flex-start; gap: 9px; margin-bottom: 14px; }
.ptp-ai-message.is-user { justify-content: flex-end; }
.ptp-ai-message > div { max-width: 82%; padding: 10px 13px; border: 1px solid color-mix(in srgb, var(--line) 80%, transparent); border-radius: 6px 16px 16px; background: color-mix(in srgb, var(--bg) 54%, var(--panel)); }
.ptp-ai-message.is-user > div { order: -1; color: #fff; border-color: transparent; border-radius: 16px 6px 16px 16px; background: linear-gradient(135deg, #2563eb, #4f46e5); }
.ptp-ai-message p { margin: 0; font-size: 13px; line-height: 1.48; white-space: pre-wrap; }
.ptp-ai-assistant[dir='rtl'] .ptp-ai-message { text-align: right; }
.ptp-ai-assistant[dir='rtl'] .ptp-ai-message.is-user { text-align: right; }
.ptp-ai-avatar { display: grid; place-items: center; flex: 0 0 28px; height: 28px; border-radius: 10px; color: #fff; background: linear-gradient(145deg, #2563eb, #7c3aed); font-size: 9px; font-weight: 900; }
.ptp-ai-message.is-typing .ptp-ai-avatar { animation: ptp-ai-typing-avatar 1.45s ease-in-out infinite; }
.ptp-ai-message.is-typing > .ptp-ai-typing-bubble { min-width: 58px; min-height: 39px; padding: 10px 14px; display: flex; align-items: center; justify-content: center; }
.ptp-ai-typing-dots { height: 11px; display: inline-flex; align-items: center; gap: 5px; }
.ptp-ai-typing-dot { width: 7px; height: 7px; display: block; border-radius: 50%; background: linear-gradient(145deg, #2563eb, #7c3aed); box-shadow: 0 2px 7px rgba(79,70,229,.2); animation: ptp-ai-typing-dot 1.05s ease-in-out infinite; }
.ptp-ai-typing-dot:nth-child(2) { animation-delay: .14s; }
.ptp-ai-typing-dot:nth-child(3) { animation-delay: .28s; }
@keyframes ptp-ai-typing-dot { 0%, 65%, 100% { opacity: .3; transform: translateY(1px) scale(.86); } 32% { opacity: 1; transform: translateY(-3px) scale(1); } }
@keyframes ptp-ai-typing-avatar { 0%, 100% { box-shadow: 0 0 0 0 rgba(79,70,229,.08); } 50% { box-shadow: 0 0 0 5px rgba(79,70,229,.12); } }
.ptp-ai-preview { margin-top: 9px; padding-top: 9px; border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.ptp-ai-preview button { padding: 7px 10px; border: 0; border-radius: 9px; color: #fff; background: var(--accent); font-size: 11px; font-weight: 800; cursor: pointer; }
.ptp-ai-feedback { margin-top: 9px; padding-top: 8px; display: flex; align-items: center; gap: 6px; border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent); color: var(--muted); font-size: 9.5px; }
.ptp-ai-feedback span { margin-inline-end: auto; }
.ptp-ai-feedback button { display: grid; place-items: center; width: 28px; height: 26px; padding: 0; border: 1px solid color-mix(in srgb, var(--line) 84%, transparent); border-radius: 8px; color: var(--text); background: var(--panel); font-size: 13px; cursor: pointer; }
.ptp-ai-feedback button:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 42%, var(--line)); }
.ptp-ai-feedback button:disabled { opacity: .5; cursor: wait; }
.ptp-ai-feedback.is-complete { color: #15803d; }
.ptp-ai-feedback.is-error { color: #b91c1c; }
.ptp-ai-consent-layer { position: absolute; inset: 0; z-index: 7; padding: 22px; display: grid; place-items: center; background: color-mix(in srgb, #0f172a 52%, transparent); backdrop-filter: blur(9px); animation: ptp-ai-consent-in .18s ease-out; }
@keyframes ptp-ai-consent-in { from { opacity: 0; } }
.ptp-ai-consent-card { width: min(430px, 100%); padding: 24px; display: grid; justify-items: start; border: 1px solid color-mix(in srgb, var(--line) 84%, transparent); border-radius: 22px; color: var(--text); background: var(--panel); box-shadow: 0 28px 70px rgba(15,23,42,.32); }
.ptp-ai-consent-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(145deg, #2563eb, #7c3aed); box-shadow: 0 9px 22px rgba(79,70,229,.26); font-size: 19px; }
.ptp-ai-consent-card strong { margin-top: 16px; font-size: 18px; line-height: 1.3; }
.ptp-ai-consent-card p { margin: 9px 0 0; color: var(--muted); font-size: 12.5px; line-height: 1.55; }
.ptp-ai-consent-card a { margin-top: 11px; color: var(--accent); font-size: 11px; font-weight: 750; }
.ptp-ai-consent-actions { width: 100%; margin-top: 20px; display: flex; justify-content: flex-end; gap: 8px; }
.ptp-ai-consent-actions button { min-height: 38px; padding: 8px 13px; border: 1px solid color-mix(in srgb, var(--line) 86%, transparent); border-radius: 11px; color: var(--text); background: var(--panel); font-size: 11.5px; font-weight: 800; cursor: pointer; }
.ptp-ai-consent-actions button.is-primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, #2563eb, #4f46e5); }
.ptp-ai-review-layer { position: absolute; inset: 128px 0 0; z-index: 4; display: flex; min-height: 0; flex-direction: column; background: color-mix(in srgb, var(--panel) 98%, transparent); backdrop-filter: blur(24px); animation: ptp-ai-review-in .2s ease-out; }
@keyframes ptp-ai-review-in { from { opacity: 0; transform: translateY(10px); } }
.ptp-ai-review-header { min-height: 66px; padding: 12px 16px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent); }
.ptp-ai-review-header > div { min-width: 0; display: grid; flex: 1; }
.ptp-ai-review-header strong { font-size: 14px; }
.ptp-ai-review-header span { margin-top: 3px; color: var(--muted); font-size: 10.5px; }
.ptp-ai-review-tools { margin: 0 !important; display: flex; align-items: center; gap: 5px; }
.ptp-ai-diagnostics-button { min-height: 30px; padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--line)); border-radius: 9px; color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--panel)); font-size: 9.5px; font-weight: 800; cursor: pointer; }
.ptp-ai-diagnostics-button:hover { border-color: color-mix(in srgb, var(--accent) 46%, var(--line)); }
.ptp-ai-proposal-list { min-height: 0; padding: 14px 16px 18px; flex: 1; overflow-y: auto; scrollbar-width: thin; }
.ptp-ai-proposal-empty { min-height: 220px; display: grid; place-items: center; padding: 30px; color: var(--muted); font-size: 12px; text-align: center; }
.ptp-ai-proposal-card { margin-bottom: 10px; padding: 13px; border: 1px solid color-mix(in srgb, var(--line) 84%, transparent); border-radius: 16px; background: color-mix(in srgb, var(--bg) 38%, var(--panel)); box-shadow: 0 8px 24px rgba(15,23,42,.055); }
.ptp-ai-proposal-card.is-rejected { opacity: .68; }
.ptp-ai-proposal-card.is-outdated { border-color: rgba(245,158,11,.55); background: color-mix(in srgb, #f59e0b 7%, var(--panel)); }
.ptp-ai-proposal-top { display: flex; align-items: flex-start; gap: 10px; }
.ptp-ai-proposal-copy { min-width: 0; display: grid; flex: 1; }
.ptp-ai-proposal-copy strong { overflow: hidden; font-size: 13px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.ptp-ai-proposal-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; }
.ptp-ai-proposal-state { flex: 0 0 auto; padding: 4px 7px; border-radius: 999px; color: #166534; background: rgba(34,197,94,.12); font-size: 9px; font-weight: 800; }
.ptp-ai-proposal-card.is-opened .ptp-ai-proposal-state { color: #1d4ed8; background: rgba(59,130,246,.12); }
.ptp-ai-proposal-card.is-applied .ptp-ai-proposal-state { color: #166534; background: rgba(34,197,94,.14); }
.ptp-ai-proposal-card.is-rejected .ptp-ai-proposal-state { color: var(--muted); background: color-mix(in srgb, var(--line) 48%, transparent); }
.ptp-ai-proposal-card.is-outdated .ptp-ai-proposal-state { color: #92400e; background: rgba(245,158,11,.15); }
.ptp-ai-proposal-meta { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 10px; }
.ptp-ai-proposal-meta span { padding: 4px 6px; border-radius: 7px; background: color-mix(in srgb, var(--line) 32%, transparent); }
.ptp-ai-proposal-warning { margin: 10px 0 0; color: #92400e; font-size: 10.5px; line-height: 1.4; }
.ptp-ai-proposal-actions { margin-top: 11px; display: flex; flex-wrap: wrap; gap: 7px; }
.ptp-ai-proposal-actions button { min-height: 32px; padding: 7px 10px; border: 1px solid color-mix(in srgb, var(--line) 86%, transparent); border-radius: 10px; color: var(--text); background: var(--panel); font-size: 10.5px; font-weight: 800; cursor: pointer; }
.ptp-ai-proposal-actions button:hover { border-color: color-mix(in srgb, var(--accent) 42%, var(--line)); }
.ptp-ai-proposal-actions .is-primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, #2563eb, #4f46e5); }
.ptp-ai-proposal-actions .is-danger { color: #b91c1c; }
.ptp-ai-proposal-actions button:disabled { opacity: .48; cursor: not-allowed; }
.ptp-ai-suggestions { padding: 5px 16px 9px; display: flex; gap: 7px; overflow-x: auto; }
.ptp-ai-suggestions button { flex: 0 0 auto; padding: 7px 10px; border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line)); border-radius: 999px; color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--panel)); font-size: 11px; font-weight: 700; cursor: pointer; }
.ptp-ai-composer { margin: 0 14px; padding: 7px 7px 7px 12px; display: flex; align-items: flex-end; gap: 8px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); box-shadow: inset 0 1px 2px rgba(15,23,42,.04); }
.ptp-ai-composer:focus-within { border-color: color-mix(in srgb, var(--accent) 64%, var(--line)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent); }
.ptp-ai-composer textarea { min-height: 37px; max-height: 120px; padding: 8px 0; flex: 1; resize: none; border: 0; outline: 0; color: var(--text); background: transparent; font: inherit; font-size: 13px; line-height: 1.4; }
.ptp-ai-composer button { display: grid; place-items: center; flex: 0 0 39px; height: 39px; padding: 0; border: 0; border-radius: 13px; color: #fff; background: linear-gradient(145deg, #2563eb, #4f46e5); cursor: pointer; }
.ptp-ai-composer button:disabled { opacity: .45; cursor: wait; }
.ptp-ai-composer button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.ptp-ai-footnote { margin: 8px 14px 12px; color: var(--muted); font-size: 9.5px; text-align: center; }

html[data-theme='dark'] .ptp-ai-panel, html[data-theme='dark'] .ptp-ai-launcher { box-shadow: 0 26px 70px rgba(0,0,0,.48); }
@media (max-width: 640px) {
  .ptp-ai-assistant {
    right: auto;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 50%;
    width: 58px;
    transform: translateX(-50%);
  }
  html.ptp-ai-open .ptp-ai-assistant {
    right: max(8px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
    left: max(8px, env(safe-area-inset-left));
    width: auto;
    transform: none;
  }
  .preview-wrap.is-preview-fullscreen > .ptp-ai-assistant {
    bottom: max(8px, env(safe-area-inset-bottom));
  }
  html.ptp-ai-open .preview-wrap.is-preview-fullscreen > .ptp-ai-assistant {
    bottom: max(8px, env(safe-area-inset-bottom));
  }
  html body #ptpPrivacyOpen {
    left: 8px !important;
    bottom: max(8px, env(safe-area-inset-bottom)) !important;
  }
  body .live-chat {
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
  }
  html.ptp-ai-open #ptpPrivacyOpen,
  html.ptp-ai-open .live-chat,
  html.ptp-live-chat-open #ptpPrivacyOpen,
  html.ptp-live-chat-open .ptp-ai-assistant,
  html.ptp-privacy-open .ptp-ai-assistant,
  html.ptp-privacy-open .live-chat {
    display: none !important;
  }
  .ptp-ai-panel { max-height: calc(100dvh - 16px); border-radius: 22px; }
  .ptp-ai-model { display: none; }
  .ptp-ai-messages { max-height: calc(100dvh - 300px); }
  .ptp-ai-launcher { width: 58px; height: 58px; min-height: 58px; padding: 7px; border-radius: 19px; }
  .ptp-ai-launcher-copy,
  .ptp-ai-launcher-arrow { display: none; }
  #ptpAiDirectEdit { width: 30px; overflow: hidden; font-size: 0; }
  #ptpAiDirectEdit::before { content: '✦'; font-size: 13px; }
  .ptp-ai-context-actions button > span { display: none; }
  .ptp-ai-diagnostics-button { width: 32px; overflow: hidden; color: transparent; }
  .ptp-ai-diagnostics-button::before { content: '↓'; color: var(--accent); font-size: 15px; }
  .ptp-ai-header { padding-inline: 12px; }
  .ptp-ai-header-main { gap: 10px; }
  .ptp-ai-liability-notice { font-size: 9px; }
  .ptp-ai-review-layer { inset-block-start: 128px; }
}
@media print { .ptp-ai-assistant { display: none !important; } }
@media (prefers-reduced-motion: reduce) { .ptp-ai-panel, .ptp-ai-review-layer, .ptp-ai-consent-layer, .ptp-ai-message.is-typing .ptp-ai-avatar, .ptp-ai-typing-dot { animation: none; } .ptp-ai-launcher { transition: none; } .ptp-ai-typing-dot { opacity: .55; } .ptp-ai-typing-dot:nth-child(2) { opacity: .78; } .ptp-ai-typing-dot:nth-child(3) { opacity: 1; } }