:host {
  color: #171714;
  font-family: "IBM Plex Sans", "Aptos", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  --ppp-sidebar-width: 420px;
  --ppp-ink: #171714;
  --ppp-muted: #6e6d65;
  --ppp-line: #deddd6;
  --ppp-surface: #f8f7f2;
  --ppp-accent: #285a43;
  --ppp-danger: #a33a32;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
select {
  color: inherit;
}

button:focus-visible,
textarea:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid rgb(40 90 67 / 32%);
  outline-offset: 2px;
}

.ppp-shadow-mount {
  width: 100%;
  min-height: 100%;
}

.ppp-fallback-sidebar,
.ppp-safe-sidebar {
  position: fixed;
  z-index: 1;
  inset: 0 0 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  width: min(var(--ppp-sidebar-width), 100vw);
  min-height: 100dvh;
  border-left: 1px solid var(--ppp-line);
  background: #fbfaf6;
  box-shadow: -18px 0 60px rgb(23 23 20 / 8%);
  pointer-events: auto;
}

.ppp-fallback-header {
  display: flex;
  gap: 8px;
  padding: 16px 58px 14px 16px;
  border-bottom: 1px solid #e5e3dc;
}

.ppp-fallback-header select,
.ppp-safe-content select {
  min-width: 0;
  flex: 1;
  border: 1px solid #d6d4ca;
  border-radius: 9px;
  background: #fff;
  padding: 9px 10px;
}

.ppp-fallback-header button,
.ppp-safe-sidebar button {
  border: 1px solid #d6d4ca;
  border-radius: 9px;
  background: #fff;
  padding: 9px 12px;
  cursor: pointer;
}

.ppp-fallback-header button {
  width: 38px;
  padding: 0;
}

.ppp-fallback-header .ppp-projects-link {
  width: auto;
  padding: 0 10px;
}

.ppp-fallback-conversation {
  overflow: auto;
  padding: 24px 18px;
}

.ppp-fallback-empty,
.ppp-fallback-notice {
  max-width: 270px;
  margin: 18vh auto 0;
  text-align: center;
}

.ppp-fallback-empty strong,
.ppp-fallback-notice strong {
  display: block;
  margin-bottom: 7px;
}

.ppp-fallback-empty p,
.ppp-fallback-notice p {
  margin: 0 0 16px;
  color: var(--ppp-muted);
}

.ppp-fallback-message {
  max-width: 340px;
  margin: 0 0 18px;
}

.ppp-fallback-message p {
  margin: 0;
  white-space: pre-wrap;
}

.ppp-fallback-message-user {
  margin-left: auto;
  padding: 11px 13px;
  border-radius: 12px 12px 3px 12px;
  background: #eceae2;
}

.ppp-fallback-message small,
.ppp-fallback-progress {
  color: var(--ppp-muted);
}

.ppp-fallback-progress {
  display: flex;
  align-items: baseline;
  min-width: 0;
  margin: 16px 0 0;
  overflow: hidden;
  white-space: nowrap;
}

.ppp-fallback-progress-phase,
.ppp-fallback-progress-dots,
.ppp-fallback-progress-separator {
  flex: none;
}

.ppp-fallback-progress-phase {
  font-weight: 600;
}

.ppp-fallback-progress-dots {
  display: inline-block;
  width: 1.5em;
  overflow: hidden;
}

.ppp-fallback-progress-dots-fill {
  display: inline-block;
  width: 0;
  overflow: hidden;
  animation: ppp-progress-dots 1.2s linear infinite;
}

.ppp-fallback-progress-detail {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes ppp-progress-dots {
  0%,
  24% {
    width: 0;
  }

  25%,
  49% {
    width: 0.5em;
  }

  50%,
  74% {
    width: 1em;
  }

  75%,
  100% {
    width: 1.5em;
  }
}

.ppp-fallback-checkpoints,
.ppp-safe-checkpoints {
  display: grid;
  gap: 7px;
  max-height: 180px;
  overflow: auto;
  padding: 12px 16px;
  border-top: 1px solid #e5e3dc;
}

.ppp-capacity-note {
  margin: 0;
  padding: 10px 16px;
  border-top: 1px solid #e5e3dc;
  color: var(--ppp-muted);
  font-size: 12px;
}

.ppp-fallback-checkpoints strong,
.ppp-safe-checkpoints strong {
  color: var(--ppp-muted);
  font-size: 12px;
}

.ppp-fallback-checkpoints button,
.ppp-safe-checkpoints button {
  text-align: left;
}

.ppp-fallback-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
  padding: 14px 16px 18px;
  border-top: 1px solid #e5e3dc;
  background: #fbfaf6;
}

.ppp-fallback-composer textarea {
  min-height: 68px;
  resize: none;
  border: 1px solid #cfcdc3;
  border-radius: 11px;
  background: #fff;
  padding: 11px 12px;
  color: inherit;
}

.ppp-fallback-composer button {
  align-self: end;
  min-height: 40px;
  border: 0;
  border-radius: 10px;
  background: var(--ppp-accent);
  padding: 0 16px;
  color: #fff;
}

.ppp-fallback-composer button:disabled {
  cursor: default;
  opacity: 0.5;
}

.ppp-safe-sidebar {
  grid-template-rows: auto 1fr;
  padding: 0;
}

.ppp-safe-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 58px 20px 20px;
  border-bottom: 1px solid #e5e3dc;
}

.ppp-safe-header strong {
  font-size: 17px;
}

.ppp-safe-header p {
  margin: 4px 0 0;
  color: var(--ppp-muted);
  font-size: 13px;
}

.ppp-safe-content {
  display: grid;
  align-content: start;
  gap: 9px;
  overflow: auto;
  padding: 24px 20px;
}

.ppp-safe-content label {
  color: var(--ppp-muted);
  font-size: 13px;
}

.ppp-safe-content [role="alert"] {
  color: var(--ppp-danger);
}

.ppp-safe-checkpoints {
  max-height: none;
  padding: 16px 0 0;
  border-top: 0;
}

.ppp-safe-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

@media (max-width: 640px) {
  :host {
    --ppp-sidebar-width: 100vw;
  }

  .ppp-fallback-sidebar,
  .ppp-safe-sidebar {
    width: 100vw;
    border-left: 0;
  }
}

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

  .ppp-fallback-progress-dots-fill {
    width: 1.5em;
    animation: none !important;
  }
}