.agent-root {
  font-family: var(--sans);
  color: var(--ink);
}

.agent-launcher {
  position: fixed;
  z-index: 120;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  width: 3.35rem;
  height: 3.35rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--terracotta);
  color: var(--cream);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 0.45rem 1.15rem color-mix(in srgb, var(--ink) 18%, transparent);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.agent-launcher:hover,
.agent-launcher:focus-visible {
  background: var(--terracotta-deep);
}

.agent-launcher .agent-icon {
  width: 1.35rem;
  height: 1.35rem;
  display: block;
}

.agent-launcher .agent-icon-close,
.agent-launcher[aria-expanded="true"] .agent-icon-chat {
  display: none;
}

.agent-launcher[aria-expanded="true"] .agent-icon-close {
  display: block;
}

.agent-panel {
  position: fixed;
  z-index: 120;
  right: 1.25rem;
  bottom: calc(5rem + env(safe-area-inset-bottom, 0px));
  width: min(23.25rem, calc(100vw - 2.5rem));
  max-height: min(34rem, 70vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 0.85rem 2.2rem color-mix(in srgb, var(--ink) 16%, transparent);
}

.agent-panel[hidden] {
  display: none !important;
}

.agent-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 0.95rem 0.7rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
}

.agent-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terracotta);
}

.agent-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 500;
  font-variation-settings: "opsz" 36;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: none;
}

.agent-panel-close {
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  margin-top: -0.15rem;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.agent-panel-close:hover,
.agent-panel-close:focus-visible {
  color: var(--terracotta);
}

.agent-panel-close .agent-icon {
  width: 1.15rem;
  height: 1.15rem;
}

.agent-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.agent-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.7rem 0.5rem 0.62rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.agent-tab[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--terracotta);
}

.agent-tab:hover,
.agent-tab:focus-visible {
  color: var(--terracotta);
}

.agent-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

.agent-pane[hidden] {
  display: none !important;
}

.agent-log {
  flex: 1 1 auto;
  min-height: 8rem;
  max-height: min(18rem, calc(70vh - 13rem));
  overflow-y: auto;
  padding: 0.95rem 1.05rem;
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

.agent-msg {
  margin: 0;
  max-width: 92%;
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  line-height: 1.45;
}

.agent-msg-assistant {
  justify-self: start;
  background: var(--cream);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.agent-msg-user {
  justify-self: end;
  background: var(--terracotta);
  color: var(--cream);
}

.agent-msg-error {
  justify-self: start;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.agent-chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  align-items: end;
  padding: 0.75rem 0.85rem calc(0.85rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
  background: var(--cream);
}

.agent-input {
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  padding: 0.55rem 0.7rem;
  width: 100%;
  resize: none;
  min-height: 2.85rem;
  max-height: 7rem;
}

.agent-send {
  min-width: 4.6rem;
}

.agent-send:disabled,
.agent-book-form .btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.agent-book-form {
  display: grid;
  gap: 0.75rem;
  padding: 0.95rem 1.05rem calc(1rem + env(safe-area-inset-bottom, 0px));
  max-height: min(28rem, calc(70vh - 8.5rem));
  overflow-y: auto;
}

.agent-book-form .field input,
.agent-book-form .field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  padding: 0.55rem 0.7rem;
  width: 100%;
}

.agent-book-form .field textarea {
  resize: vertical;
  min-height: 5.5rem;
}

.agent-book-form .btn {
  justify-self: start;
}

.agent-book-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.agent-book-status.is-ok {
  color: var(--terracotta-deep);
}

.agent-book-status.is-err {
  color: var(--ink-soft);
}

body.agent-on .site-footer {
  padding-bottom: calc(5.25rem + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 32rem) {
  .agent-launcher {
    right: 1.25rem;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  }

  .agent-panel {
    right: 1.25rem;
    left: 1.25rem;
    width: auto;
    max-height: 70vh;
    bottom: calc(5rem + env(safe-area-inset-bottom, 0px));
  }

  .agent-log {
    min-height: 7rem;
    max-height: calc(70vh - 13.5rem);
  }

  .agent-book-form {
    max-height: calc(70vh - 8.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-launcher {
    transition: none;
  }
}