:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --panel: #ffffff;
  --ink: #191714;
  --muted: #6f6a61;
  --line: #ddd6c8;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --gold: #c47a1b;
  --rose: #b63d5a;
  --blue: #355f9e;
  --shadow: 0 20px 60px rgba(40, 34, 24, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

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

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  color: var(--ink);
  outline: none;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

textarea {
  min-height: 170px;
  padding: 14px;
  resize: vertical;
}

input,
select {
  min-height: 42px;
  padding: 0 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 64px);
  background: rgba(247, 245, 239, 0.9);
  border-bottom: 1px solid rgba(221, 214, 200, 0.7);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
}

.brand-mark svg {
  display: block;
  width: 100%;
  height: 100%;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.65fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 96px) clamp(18px, 5vw, 64px) clamp(36px, 6vw, 72px);
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-text {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 15px;
  cursor: pointer;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
button:hover {
  transform: translateY(-1px);
}

.button.primary,
button.primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 10px 26px rgba(15, 118, 110, 0.22);
}

.button.secondary,
button.secondary {
  border-color: var(--line);
  background: #fffaf2;
  color: var(--ink);
}

.button.danger,
button.danger {
  border-color: rgba(182, 61, 90, 0.28);
  background: #fff2f4;
  color: var(--rose);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.hero-panel {
  display: grid;
  gap: 14px;
  align-self: stretch;
  min-height: 360px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  box-shadow: var(--shadow);
}

.workflow-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid #eee4d5;
  border-radius: 8px;
  background: #fff9ec;
}

.workflow-step:nth-child(2) {
  background: #eef8f6;
}

.workflow-step:nth-child(3) {
  background: #f7f1ff;
}

.workflow-step span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-weight: 900;
}

.workflow-step p {
  margin: 0;
  color: #36322c;
}

.tool-shell {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
  padding: clamp(32px, 6vw, 72px) clamp(18px, 5vw, 64px);
  background: #fcfaf6;
  border-block: 1px solid var(--line);
}

.tool-sidebar,
.tool-workspace {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(32, 28, 22, 0.06);
}

.tool-sidebar {
  align-self: start;
  position: sticky;
  top: 90px;
  padding: 18px;
}

.tool-sidebar h2,
.tool-heading h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.4rem);
  letter-spacing: 0;
}

.tool-heading-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

/* Slanted "LLM" badge shown on tools powered by a large language model. */
.llm-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: #fffaf0;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotate(-7deg);
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.28);
}

.llm-badge[hidden] {
  display: none;
}

.tool-tab .llm-badge {
  margin-left: 6px;
  vertical-align: middle;
  font-size: 0.56rem;
  padding: 1px 6px;
}

.tool-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.tool-tab {
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 68px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.tool-tab:hover,
.tool-tab.active {
  border-color: #c9ded9;
  background: #eef8f6;
  transform: none;
}

.tool-tab strong,
.tool-tab span {
  display: block;
}

.tool-tab span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.tool-workspace {
  min-height: 740px;
  padding: clamp(18px, 4vw, 32px);
}

.tool-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.small-link {
  align-self: start;
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  padding: 18px;
}

.panel h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
}

.field label {
  color: #443f37;
  font-size: 0.9rem;
  font-weight: 780;
}

.hint,
.status,
.output-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  min-height: 22px;
  margin-top: 12px;
}

.output {
  min-height: 250px;
  max-height: 580px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf2;
  padding: 16px;
  white-space: pre-wrap;
}

.result-list {
  display: grid;
  gap: 14px;
}

.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf2;
  padding: 14px;
}

.result-card h4 {
  margin: 0 0 8px;
  color: var(--accent-strong);
}

.result-card pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.metric {
  border-radius: 999px;
  background: #edf4ff;
  color: var(--blue);
  padding: 6px 10px;
  font-size: 0.84rem;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .hero,
  .tool-shell,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .tool-sidebar {
    position: static;
  }

  .tool-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer,
  .tool-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 17vw, 4.2rem);
  }

  .tool-list,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .button,
  button {
    width: 100%;
  }
}