:root {
  --page-ink: #182126;
  --page-muted: #556067;
  --panel-surface: rgba(255, 252, 244, 0.92);
  --panel-strong: rgba(255, 248, 230, 0.98);
  --line-soft: rgba(24, 33, 38, 0.1);
  --brand-deep: #0f766e;
  --brand-warm: #c96b27;
  --success: #1f7a52;
  --error: #a83f3f;
  --shadow-card: 0 20px 50px rgba(27, 34, 39, 0.12);
  --shadow-soft: 0 14px 32px rgba(27, 34, 39, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI Variable Text", "Trebuchet MS", sans-serif;
  color: var(--page-ink);
  background:
    radial-gradient(circle at top left, rgba(201, 107, 39, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.22), transparent 30%),
    linear-gradient(160deg, #f7efe3 0%, #f1e5d3 45%, #dce7e3 100%);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
}

a.primary-button,
a.secondary-button {
  display: inline-block;
  text-decoration: none;
}

.page-shell {
  width: min(1080px, calc(100vw - 32px));
  margin: 8px auto 40px;
}

.page-nav {
  position: sticky;
  top: 4px;
  z-index: 20;
  margin-top: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(24, 33, 38, 0.08);
  border-radius: 16px;
  background: rgba(255, 252, 244, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  position: relative;
}

.nav-hamburger {
  display: none;
}

.nav-drawer {
  display: contents;
}

.hero-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
}

.hero-brand-name {
  font-family: Bahnschrift, "Arial Narrow", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--brand-deep);
}

.hero-brand-sep {
  color: rgba(24, 33, 38, 0.18);
}

.hero-brand-version {
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.8rem;
  color: var(--page-muted);
  letter-spacing: 0.04em;
}

.nav-link {
  padding: 7px 14px;
  border: 1px solid rgba(24, 33, 38, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--page-ink);
  font-size: 0.88rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.nav-link:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.active-link {
  color: white;
  background: linear-gradient(135deg, var(--brand-deep), #0b8c80);
  box-shadow: 0 12px 24px rgba(24, 33, 38, 0.14);
}

main {
  margin-top: 20px;
}

.page-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(24, 33, 38, 0.35);
  letter-spacing: 0.02em;
}

.home-layout,
.quantity-layout,
.visual-layout,
.home-summary-grid,
.home-feature-grid,
.overview-grid,
.overview-list,
.quantity-shell,
.quantity-sidebar,
.quantity-stage,
.form-grid,
.catalog-grid,
.summary-grid,
.preview-grid,
.saved-list {
  display: grid;
  gap: 18px;
}

.home-layout,
.quantity-layout {
  align-content: start;
}

.visual-layout {
  align-content: start;
}

.home-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-feature-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}


.hero-panel,
.panel {
  border: 1px solid var(--line-soft);
  background: var(--panel-surface);
  box-shadow: var(--shadow-card);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.panel {
  padding: 24px;
  border-radius: 26px;
}

.hero-panel {
  padding: 22px 26px;
  border-radius: 22px;
}

.hero-panel > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.quantity-intro-panel {
  background:
    linear-gradient(135deg, rgba(255, 248, 230, 0.92), rgba(255, 252, 244, 0.92)),
    var(--panel-surface);
}

.workspace-card {
  box-shadow: var(--shadow-soft);
}

.intro-summary {
  margin: 0 0 20px;
}

.intro-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.intro-section-label {
  margin: 0 0 8px;
  font-family: Bahnschrift, "Arial Narrow", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.intro-use-cases {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.intro-use-cases li {
  color: var(--page-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.intro-examples {
  display: grid;
  gap: 6px;
}

.intro-example-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: baseline;
  padding: 7px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(24, 33, 38, 0.06);
  font-size: 0.88rem;
}

.intro-example-label {
  color: var(--page-ink);
}

.intro-example-value {
  font-family: monospace;
  font-size: 0.9em;
  color: var(--brand-deep);
  white-space: nowrap;
}

.intro-example-note {
  color: var(--page-muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .intro-columns {
    grid-template-columns: 1fr;
  }

  .intro-example-row {
    grid-template-columns: 1fr auto;
  }

  .intro-example-note {
    display: none;
  }
}

.accent-panel {
  background: var(--panel-strong);
}


.visual-runner-panel {
  background: rgba(250, 247, 240, 0.95);
}

.panel-heading {
  margin-bottom: 14px;
}

.compact-heading {
  margin-bottom: 10px;
}

.eyebrow {
  margin: 0 0 4px;
  font-family: Bahnschrift, "Arial Narrow", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-deep);
  font-size: 0.72rem;
}

h1,
h2 {
  margin: 0;
  font-family: Bahnschrift, "Arial Narrow", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  font-size: 1.6rem;
  line-height: 1.15;
}

h2 {
  font-size: 1.1rem;
  line-height: 1.3;
}

.hero-copy,
.muted-copy,
.overview-item p,
.catalog-card p,
.saved-item span {
  margin: 0;
  color: var(--page-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-list {
  margin: 0;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--page-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-actions {
  display: grid;
  gap: 12px;
  align-content: start;
  justify-items: start;
}

.inline-actions {
  margin-top: 16px;
}

.primary-button,
.secondary-button,
.mini-button {
  border-radius: 999px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.primary-button,
.secondary-button {
  padding: 14px 20px;
  box-shadow: 0 12px 24px rgba(24, 33, 38, 0.12);
}

.mini-button {
  padding: 10px 14px;
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, var(--brand-deep), #0b8c80);
}

.secondary-button,
.mini-button {
  color: var(--page-ink);
  background: linear-gradient(135deg, #fff6e4, #f2debc);
}

.muted-button {
  background: #ece8df;
}

.primary-button:hover,
.secondary-button:hover,
.mini-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.overview-item,
.catalog-card,
.saved-item {
  width: 100%;
  padding: 16px;
  border: 1px solid rgba(24, 33, 38, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  text-align: left;
}

.overview-item strong,
.catalog-card strong {
  display: block;
  margin-bottom: 6px;
}

.overview-item {
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.overview-item:hover,
.catalog-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.catalog-kicker,
.summary-label,
.preview-card span {
  color: var(--page-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.catalog-kicker {
  color: #8c4f2a;
}

.active-card {
  border-color: rgba(15, 118, 110, 0.42);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(201, 107, 39, 0.08));
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.94rem;
}

input,
select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(24, 33, 38, 0.12);
  background: rgba(255, 255, 255, 0.82);
  color: var(--page-ink);
}

.checkbox-field {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}

.checkbox-field input {
  width: 18px;
  min-height: 18px;
  margin: 0;
}

.catalog-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(24, 33, 38, 0.08);
}

.catalog-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.status-banner {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(15, 118, 110, 0.09);
  color: var(--brand-deep);
}

.success-banner {
  color: var(--success);
  background: rgba(31, 122, 82, 0.1);
}

.error-banner {
  color: var(--error);
  background: rgba(168, 63, 63, 0.12);
}

/* Code & JSON blocks - dark theme, shared by all pages */

pre.code-block,
pre.inline-code {
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  background: #1e1e1e;
  color: #9cdcfe;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.7;
}

.inline-code {
  margin: 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.78rem;
}

.code-block {
  margin: 0;
  padding: 20px 22px;
  border-radius: 14px;
  font-size: 0.82rem;
}

.json-block {
  margin: 0;
  padding: 20px 22px;
  min-height: 180px;
  border-radius: 18px;
  overflow: auto;
  white-space: pre;
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.84rem;
  line-height: 1.7;
  background: #1e1e1e;
  color: #9cdcfe;
}

/* Syntax token colors - VS Code-inspired palette */
code[class*="language-"] {
  background: transparent;
  color: #9cdcfe;
}

.token.keyword { color: #c586c0; }

.token.string,
.token.attr-value { color: #ce9178; }

.token.number { color: #b5cea8; }

.token.boolean,
.token.null { color: #569cd6; }

.token.property,
.token.attr-name { color: #9cdcfe; }

.token.function { color: #dcdcaa; }

.token.class-name { color: #4ec9b0; }

.token.comment { color: #6a9955; font-style: italic; }

.token.operator { color: #d4d4d4; }

.token.punctuation { color: #e06c75; }

.token.parameter { color: #9cdcfe; }


@media (max-width: 1180px) {
  .home-feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hero-panel,
  .home-summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: calc(100vw - 18px);
    margin: 6px auto 24px;
  }

  .panel,
  .hero-panel {
    padding: 18px;
    border-radius: 20px;
  }

  .nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(24, 33, 38, 0.1);
    color: var(--page-ink);
    font-size: 0.88rem;
    cursor: pointer;
  }

  .nav-hamburger-icon {
    font-size: 1.1rem;
    line-height: 1;
  }

  .nav-drawer {
    display: none;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 30;
    padding: 8px;
    border: 1px solid rgba(24, 33, 38, 0.08);
    border-radius: 16px;
    background: rgba(255, 252, 244, 0.97);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-card);
  }

  .nav-drawer--open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
  }
}