* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  margin: 0;
  line-height: 1.5;
}

.flash-tray {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 1000;
  display: grid;
  gap: 8px;
  max-width: min(360px, 100vw - 36px);
  pointer-events: none;
}

.flash {
  pointer-events: auto;
  padding: 10px 12px;
  background: #faf5e6;
  border: 1px solid #c9b896;
  border-left: 3px solid #5a6b2c;
  box-shadow: 0 8px 24px rgba(44, 40, 32, 0.14);
  color: #2c2820;
  font-family: var(--mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 11px;
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-transform: none;
}

.flash.notice {
  border-left-color: #5a6b2c;
}

.flash.alert {
  border-left-color: #a02a1f;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid #e5e7eb;
  background: white;
}
.topbar .user {
  color: #6b7280;
  font-size: 0.9rem;
}

.hero {
  max-width: 480px;
  margin: 6rem auto;
  padding: 2rem;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
}
.hero p {
  color: #6b7280;
  margin: 0 0 2rem;
}

.chat {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 2rem;
}
.chat h1 {
  margin-top: 0;
}
.chat .muted {
  color: #6b7280;
  font-size: 0.9rem;
}
.chat textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  font: inherit;
  resize: vertical;
}
.chat input[type=submit], .chat .button {
  margin-top: 0.75rem;
  padding: 0.6rem 1.2rem;
  background: #286efa;
  color: white;
  border: 0;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.chat input[type=submit]:hover, .chat .button:hover {
  filter: brightness(1.05);
}

.response {
  margin-top: 2rem;
  padding: 1.25rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}
.response pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font: inherit;
  margin: 0;
}

.link {
  background: none;
  border: 0;
  color: #286efa;
  cursor: pointer;
  padding: 0;
  font: inherit;
}

.button {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  background: #286efa;
  color: white;
  border-radius: 6px;
  text-decoration: none;
}
.button:hover {
  filter: brightness(1.05);
}

.hitl-masthead .utility {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-2, #5f5e5a);
  text-transform: uppercase;
  padding-bottom: 14px;
}
.hitl-masthead .utility-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hitl-masthead .utility-mark {
  width: 20px;
  height: 22px;
  flex-shrink: 0;
}
.hitl-masthead .utility-right,
.hitl-masthead .utility-account {
  display: flex;
  align-items: center;
  gap: 14px;
}
.hitl-masthead .connection-pill {
  font-family: var(--mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7a2913;
  background: rgba(244, 204, 197, 0.5);
  padding: 2px 8px;
  border-radius: 2px;
}
.hitl-masthead .utility-user {
  color: var(--ink-3, #8c8270);
}
.hitl-masthead .utility-user strong {
  font-family: Georgia, serif;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2, #5f5e5a);
  text-transform: none;
  letter-spacing: 0.04em;
}
.hitl-masthead .utility-sep {
  color: var(--rule, #c9b896);
}
.hitl-masthead .utility-link {
  color: var(--ink-2, #5f5e5a);
  text-decoration: none;
  border-bottom: 1px solid var(--rule, #c9b896);
  padding-bottom: 1px;
}
.hitl-masthead .utility-link:hover {
  color: var(--ink, #2c2820);
  border-bottom-color: var(--ink, #2c2820);
}
.hitl-masthead .utility-menu-trigger {
  display: none;
  border: 0;
  border-bottom: 1px solid var(--rule, #c9b896);
  background: transparent;
  color: var(--ink-2, #5f5e5a);
  padding: 0 0 1px;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}
.hitl-masthead .utility-menu {
  width: min(320px, 100vw - 36px);
  border: 1px solid var(--ink, #2c2820);
  background: var(--paper, #faf5e6);
  color: var(--ink, #2c2820);
  padding: 16px;
  box-shadow: 0 18px 42px rgba(44, 40, 32, 0.22);
}
.hitl-masthead .utility-menu::backdrop {
  background: rgba(44, 40, 32, 0.18);
}
.hitl-masthead .utility-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3, #8c8270);
  border-bottom: 1px solid var(--rule, #c9b896);
  padding-bottom: 10px;
  margin-bottom: 12px;
}
.hitl-masthead .utility-menu-head button {
  width: 44px;
  height: 44px;
  margin: -12px -12px -12px 0;
  border: 0;
  background: transparent;
  color: var(--ink-2, #5f5e5a);
  font-size: 20px;
  cursor: pointer;
}
.hitl-masthead .utility-menu-user {
  color: var(--ink-2, #5f5e5a);
  font-family: Georgia, serif;
  font-size: 14px;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 14px;
}
.hitl-masthead .utility-menu-install {
  display: grid;
  gap: 10px;
}
.hitl-masthead .utility-menu-item,
.hitl-masthead .utility-menu-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid var(--ink, #2c2820);
  color: var(--ink, #2c2820);
  text-decoration: none;
}
.hitl-masthead .utility-menu-item {
  width: fit-content;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  background: transparent;
  padding: 0 0 1px;
  font: inherit;
  cursor: pointer;
}
.hitl-masthead .utility-menu-item:not([hidden]),
.hitl-masthead .utility-menu-tip:not([hidden]) {
  margin-bottom: 14px;
}
.hitl-masthead .utility-menu-tip {
  max-width: 26ch;
  margin: 0;
  color: var(--ink-2, #5f5e5a);
  font-family: Georgia, serif;
  font-size: 13px;
  line-height: 1.35;
  text-transform: none;
  letter-spacing: 0;
}
.hitl-masthead .masthead {
  border-top: 1px solid var(--ink, #2c2820);
  border-bottom: 1px solid var(--ink, #2c2820);
  padding: 22px 0 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}
.hitl-masthead .masthead-title {
  font-family: var(--display, Georgia, serif);
  font-weight: 900;
  font-size: 64px;
  line-height: 0.95;
  margin: 0;
  font-variation-settings: "SOFT" 30, "opsz" 100;
  letter-spacing: -0.02em;
}
.hitl-masthead .masthead-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--ink-2, #5f5e5a);
  font-variation-settings: "SOFT" 100, "opsz" 144;
}
.hitl-masthead .masthead-meta {
  text-align: right;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-2, #5f5e5a);
  text-transform: uppercase;
  line-height: 1.7;
}
.hitl-masthead .masthead-meta-mobile {
  display: none;
}

@media (max-width: 720px) {
  .hitl-masthead {
    padding-top: 4px;
  }
  .hitl-masthead .utility {
    font-size: 9.5px;
    letter-spacing: 0.1em;
    gap: 8px;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }
  .hitl-masthead .utility-org-full,
  .hitl-masthead .utility-account {
    display: none;
  }
  .hitl-masthead .utility-left {
    gap: 8px;
    min-width: 0;
  }
  .hitl-masthead .utility-mark {
    width: 16px;
    height: 18px;
  }
  .hitl-masthead .utility-menu-trigger {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .hitl-masthead .utility-user strong {
    font-size: 11.5px;
  }
  .hitl-masthead .masthead {
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: end;
    padding: 14px 0;
    margin-bottom: 0;
  }
  .hitl-masthead .masthead-title {
    font-size: 22px;
    line-height: 1;
  }
  .hitl-masthead .masthead-title em {
    display: block;
  }
  .hitl-masthead .masthead-meta {
    text-align: right;
    font-size: 8.5px;
    letter-spacing: 0.12em;
    line-height: 1.5;
    color: var(--ink-3, #8c8270);
  }
  .hitl-masthead .masthead-meta-desktop {
    display: none;
  }
  .hitl-masthead .masthead-meta-mobile {
    display: inline;
  }
}