@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 800;
  src:
    local("Open Sans ExtraBold"),
    local("OpenSans-ExtraBold"),
    url("https://acton.guide/fonts/open-sans-v17-all-charsets-800.woff2") format("woff2");
}

:root {
  color-scheme: light dark;
  --bg: #eef0ef;
  --bg-soft: #f7f8f6;
  --panel: rgba(247, 248, 246, 0.92);
  --text: #191b1c;
  --muted: #5f666a;
  --border: rgba(35, 38, 40, 0.16);
  --accent: #ffd42a;
  --accent-soft: #fff3b4;
  --accent-strong: #9c7412;
  --accent-text: #151617;
  --code-bg: #f4f4f1;
  --error: #aa2c2c;
  --chrome-bg: #202326;
  --shadow: 0 18px 45px rgba(21, 22, 23, 0.12);
  font-family:
    "Avenir Next",
    "Neue Haas Grotesk Text",
    "Segoe UI",
    ui-sans-serif,
    system-ui,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(120deg, rgba(255, 212, 42, 0.18), transparent 28rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft) 48%, #ececeb);
  color: var(--text);
}

main {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0 15px;
  background: var(--chrome-bg);
  color: #f7f8f6;
}

.app-mark {
  color: #f7f8f6;
  font-size: 1.5rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-nav {
  display: inline-flex;
  align-self: stretch;
  align-items: stretch;
  gap: 2px;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 10px;
  color: var(--accent);
  font-family: "Open Sans", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #f7f8f6;
}

.site-nav a::after {
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: transparent;
  content: "";
}

.site-nav a.is-active::after {
  background: var(--accent);
}

.hero {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  color: var(--text);
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

h3 {
  margin: 1.25rem 0 0.6rem;
  font-size: 1rem;
}

p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.card {
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--panel);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
}

label span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

em {
  color: var(--muted);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 650;
}

textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.9rem 1rem;
  color: var(--text);
  background: var(--bg-soft);
  font: inherit;
  font-weight: 450;
  line-height: 1.5;
  resize: vertical;
}

textarea:focus {
  border-color: rgba(255, 212, 42, 0.9);
  box-shadow: 0 0 0 4px rgba(255, 212, 42, 0.24);
  outline: none;
}

#ask-input {
  font-family:
    "SFMono-Regular",
    "Cascadia Code",
    "Liberation Mono",
    ui-monospace,
    monospace;
}

.form-card.follow-up {
  margin-top: 1.5rem;
}

.form-card.follow-up .task-row,
.form-card.follow-up .task-instruction {
  display: none;
}

.form-card.follow-up textarea {
  min-height: 7rem;
}

.task-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  padding: 0.45rem;
  background: rgba(255, 255, 255, 0.38);
}

.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

button {
  min-height: 3rem;
  border: 0;
  border-radius: 999px;
  padding: 0 1.35rem;
  color: var(--accent-text);
  background: var(--accent);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.04);
}

.secondary-button {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.5);
  font-weight: 750;
}

.secondary-button:hover {
  background: rgba(255, 212, 42, 0.18);
}

.task-button {
  min-height: 2.45rem;
  border: 1px solid transparent;
  padding: 0 1rem;
  color: var(--text);
  background: transparent;
  font-size: 0.92rem;
  font-weight: 720;
}

.task-button:hover {
  background: rgba(255, 212, 42, 0.12);
}

.task-button.active {
  border-color: rgba(156, 116, 18, 0.28);
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: none;
}

.task-button.active::before {
  content: "✓";
  margin-right: 0.4rem;
}

.task-instruction {
  margin-top: 0.8rem;
  border: 1px solid rgba(156, 116, 18, 0.2);
  border-radius: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 212, 42, 0.1);
}

.task-instruction span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.task-instruction p {
  margin: 0;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.45;
}

button:disabled {
  cursor: wait;
  filter: grayscale(0.2);
  opacity: 0.72;
}

#status {
  margin: 0;
  font-size: 0.95rem;
}

#status.error {
  color: var(--error);
}

.privacy-notice {
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

.after-conversation-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}

.after-conversation-actions[hidden] {
  display: none;
}

.answer-card {
  margin-top: 1.5rem;
}

.progress-message {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-right: clamp(0rem, 8vw, 6rem);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(255, 212, 42, 0.1);
}

.progress-message h3 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.progress-message p {
  margin: 0;
}

.progress-message__elapsed {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.spinner {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  border: 4px solid rgba(35, 38, 40, 0.16);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.messages {
  display: grid;
  gap: 1rem;
}

.message {
  display: grid;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
}

.message--user {
  margin-left: clamp(0rem, 8vw, 6rem);
  border-color: rgba(156, 116, 18, 0.22);
  background: linear-gradient(180deg, #fff7cf, var(--accent-soft));
  color: #151617;
}

.message--assistant {
  margin-right: clamp(0rem, 8vw, 6rem);
  background: rgba(255, 255, 255, 0.78);
}

.message__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.message--user,
.message--user .message__body,
.message--user .markdown-body,
.message--user .markdown-body p,
.message--user .markdown-body ul,
.message--user .markdown-body ol,
.message--user .markdown-body li,
.message--user .markdown-body blockquote {
  color: #151617;
}

.message--user .message__header {
  color: #5d4810;
}

.message--user .markdown-body pre {
  border-color: rgba(156, 116, 18, 0.24);
  border-left-color: #9c7412;
  background: rgba(255, 255, 255, 0.42);
  color: #151617;
}

.message--user .markdown-body code {
  color: #151617;
}

.message--user .markdown-body pre code {
  color: inherit;
}

.message__body {
  font-size: 1rem;
  line-height: 1.6;
}

.markdown-body > *:first-child {
  margin-top: 0;
}

.markdown-body > *:last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin: 1.35rem 0 0.55rem;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.markdown-body h1 {
  font-size: 1.55rem;
}

.markdown-body h2 {
  font-size: 1.3rem;
}

.markdown-body h3 {
  font-size: 1.1rem;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol {
  margin: 0.7rem 0;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.35rem;
}

.markdown-body li + li {
  margin-top: 0.3rem;
}

.markdown-body pre {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-left: 0.35rem solid var(--accent);
  border-radius: 1rem;
  margin: 0.9rem 0;
  padding: 1rem;
  background: var(--code-bg);
  color: #151617;
  line-height: 1.5;
}

.markdown-body code {
  border-radius: 0.35rem;
  padding: 0.13rem 0.32rem;
  background: rgba(255, 212, 42, 0.16);
  font-family:
    "SFMono-Regular",
    "Cascadia Code",
    "Liberation Mono",
    ui-monospace,
    monospace;
  font-size: 0.92em;
}

.markdown-body pre code {
  display: block;
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: 0.92rem;
}

.markdown-body blockquote {
  margin: 0.9rem 0;
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
}

.markdown-body a {
  display: inline;
  min-height: 0;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  text-decoration: underline;
}

#sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

#sources li {
  display: flex;
}

#sources a,
#sources span {
  display: inline-flex;
  align-items: center;
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  color: var(--muted);
  background: rgba(255, 212, 42, 0.12);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

#sources a:hover {
  border-color: rgba(255, 212, 42, 0.7);
  color: var(--text);
}

[hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
    padding: 0.7rem 1rem 0;
  }

  .site-nav {
    min-height: 2.6rem;
  }

  .site-nav a {
    padding: 0 7px;
    font-size: 11px;
    letter-spacing: 0.05em;
  }

  .site-nav a::after {
    right: 7px;
    left: 7px;
  }

  main {
    padding: 2rem 0;
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  button {
    width: 100%;
  }

  .message--user,
  .message--assistant,
  .progress-message {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151617;
    --bg-soft: #202326;
    --panel: rgba(32, 35, 38, 0.9);
    --text: #f2f3ef;
    --muted: #aeb5b9;
    --border: rgba(255, 255, 255, 0.14);
    --accent: #ffd42a;
    --accent-soft: #ffe15d;
    --accent-strong: #ffe15d;
    --accent-text: #151617;
    --code-bg: #1a1c1d;
    --error: #ff8c8c;
    --chrome-bg: #111213;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  }

  body {
    background:
      linear-gradient(120deg, rgba(255, 212, 42, 0.1), transparent 28rem),
      linear-gradient(180deg, #151617, #202326 45%, #17191a);
  }

  .card {
    background: var(--panel);
  }

  .task-row {
    background: rgba(21, 22, 23, 0.58);
  }

  .task-button.active {
    color: #151617;
    background: var(--accent-soft);
  }

  .task-instruction,
  .progress-message {
    background: rgba(255, 212, 42, 0.09);
  }

  textarea,
  .message--assistant,
  .markdown-body pre {
    background: #292d30;
    color: var(--text);
  }

  .message--user {
    color: #151617;
    background: var(--accent-soft);
  }

  .markdown-body code {
    color: #151617;
    background: var(--accent-soft);
  }

  .markdown-body pre code {
    color: var(--text);
    background: transparent;
  }
}