:root {
  color-scheme: light;
  --background: #f4f2ec;
  --surface: #ffffff;
  --surface-muted: #f7f6f1;
  --text: #0d1b18;
  --text-muted: #53655f;
  --border: #dde3df;
  --border-strong: #b9c4bf;
  --accent: #137c74;
  --accent-deep: #0c5f59;
  --accent-bright: #1ba397;
  --accent-soft: #e9f4ef;
  --accent-border: #b9d9d2;
  --accent-icon: #d3eae0;
  --accent-copy: #355a54;
  --warning: #8a4b0f;
  --warning-soft: #fff4e2;
  --warning-border: #e3c491;
  --danger: #a22b2b;
  --danger-soft: #fff0f0;
  --danger-border: #e4abab;
  --success: #17653f;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgb(13 27 24 / 5%);
  --shadow-md:
    0 1px 2px rgb(13 27 24 / 4%),
    0 12px 36px -14px rgb(13 27 24 / 18%);
  --radius-sm: 0.5rem;
  --radius: 0.875rem;
  --radius-lg: 1rem;
  --header-height: 3.25rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #101513;
  --surface: #1d2421;
  --surface-muted: #171d1b;
  --text: #edf3f0;
  --text-muted: #a9b8b3;
  --border: #303a36;
  --border-strong: #52615b;
  --accent-bright: #52c7bb;
  --accent-soft: #1c2925;
  --accent-border: #35564f;
  --accent-icon: #20342f;
  --accent-copy: #b8d8d1;
  --warning: #f0b37f;
  --warning-soft: #2a2118;
  --warning-border: #725237;
  --danger: #f09a9a;
  --danger-soft: #2b1b1b;
  --danger-border: #744141;
  --success: #61c897;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 24%);
  --shadow-md:
    0 1px 2px rgb(0 0 0 / 22%),
    0 12px 36px -14px rgb(0 0 0 / 58%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --background: #101513;
    --surface: #1d2421;
    --surface-muted: #171d1b;
    --text: #edf3f0;
    --text-muted: #a9b8b3;
    --border: #303a36;
    --border-strong: #52615b;
    --accent-bright: #52c7bb;
    --accent-soft: #1c2925;
    --accent-border: #35564f;
    --accent-icon: #20342f;
    --accent-copy: #b8d8d1;
    --warning: #f0b37f;
    --warning-soft: #2a2118;
    --warning-border: #725237;
    --danger: #f09a9a;
    --danger-soft: #2b1b1b;
    --danger-border: #744141;
    --success: #61c897;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 24%);
    --shadow-md:
      0 1px 2px rgb(0 0 0 / 22%),
      0 12px 36px -14px rgb(0 0 0 / 58%);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text);
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-width: 20rem;
  height: 100vh;
  height: 100svh;
  margin: 0;
  overflow: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgb(19 124 116 / 22%);
}

button,
input,
select {
  font: inherit;
}

button,
select {
  min-height: 2.75rem;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #f2a94a;
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--text);
  transform: translateY(-150%);
  transition: transform 200ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Header ---------- */

.site-header {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-height);
  padding: 0.375rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--border);
  background: var(--background);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.0625rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  border-radius: 0.4375rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.theme-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  min-width: 0;
  margin: 0;
  padding: 0.1875rem;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 88%, var(--border));
}

.theme-picker label {
  position: relative;
  cursor: pointer;
}

.theme-picker input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-picker .theme-icon {
  width: 1.75rem;
  min-height: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 999px;
  color: rgb(255 255 255 / 72%);
  transition:
    color 160ms var(--ease),
    background 160ms var(--ease),
    box-shadow 160ms var(--ease);
}

.theme-picker .theme-icon::before {
  width: 1rem;
  height: 1rem;
  content: "";
  display: block;
  background: currentColor;
  mask: center / contain no-repeat var(--theme-icon);
  -webkit-mask: center / contain no-repeat var(--theme-icon);
}

.theme-icon-system {
  --theme-icon: url("/icons/monitor.svg");
}

.theme-icon-light {
  --theme-icon: url("/icons/sun.svg");
}

.theme-icon-dark {
  --theme-icon: url("/icons/moon.svg");
}

.theme-picker input:checked + .theme-icon {
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.theme-picker input:focus-visible + .theme-icon {
  outline: 3px solid #f2a94a;
  outline-offset: 2px;
}

.local-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  padding: 0.4375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  font-size: 0.75rem;
  font-weight: 650;
}

.local-badge::before {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--accent-bright);
  content: "";
}

/* ---------- App shell ---------- */

.shell {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(17.5rem, 21rem) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  width: min(100% - 2.5rem, 76rem);
  margin: 0 auto;
  padding: clamp(0.75rem, 1.6vh, 1.25rem) 0;
}

.shell:focus {
  outline: none;
}

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

h3 {
  margin-bottom: 0.625rem;
  font-size: 1rem;
}

/* ---------- Rail: progress & safety context ---------- */

.rail {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  min-height: 0;
  overflow-y: auto;
}

.intro h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.375rem, 1.125rem + 0.9vw, 1.625rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.lede {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.steps {
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}

.steps ol {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0.125rem 0;
  list-style: none;
}

.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  align-items: center;
  gap: 0.625rem;
  padding: 0.3125rem 0;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.steps li::before {
  position: absolute;
  top: -0.3125rem;
  left: calc(0.875rem - 1px);
  width: 2px;
  height: 0.625rem;
  background: var(--border);
  content: "";
  transition: background 400ms var(--ease);
}

.steps li:first-child::before {
  display: none;
}

.steps li span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  font-size: 0.75rem;
  font-weight: 800;
  transition:
    border-color 300ms var(--ease),
    background 300ms var(--ease),
    color 300ms var(--ease),
    box-shadow 300ms var(--ease);
}

.steps li em {
  font-style: normal;
  font-weight: 600;
}

.steps li[aria-current="step"] {
  color: var(--text);
}

.steps li[aria-current="step"] em {
  font-weight: 750;
}

.steps li[aria-current="step"] span {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgb(19 124 116 / 15%);
}

.steps li.complete span {
  border-color: var(--accent);
  color: transparent;
  background: var(--accent);
}

.steps li.complete span::after {
  position: absolute;
  color: #fff;
  font-size: 0.75rem;
  content: "✓";
}

.steps li.complete::before,
.steps li[aria-current="step"]::before {
  background: var(--accent);
}

/* ---------- Notices (in-flow, never overlay content) ---------- */

.toast-stack {
  display: grid;
  gap: 0.625rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}

.safety-note {
  position: relative;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr) auto;
  gap: 0.125rem 0.625rem;
  align-items: start;
  margin: 0;
  padding: 0.625rem 0.625rem 0.625rem 0.75rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-soft);
  box-shadow: var(--shadow-sm);
  font-size: 0.8125rem;
}

.safety-note::before {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  grid-row: span 2;
  place-items: center;
  border-radius: 0.5rem;
  color: var(--accent-deep);
  background: var(--accent-icon);
  font-size: 0.875rem;
  font-weight: 800;
  content: "✓";
}

.safety-note strong {
  align-self: center;
}

.safety-note span {
  color: var(--accent-copy);
}

.backup-note {
  border-color: var(--warning-border);
  background: var(--warning-soft);
}

.backup-note::before {
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 18%, var(--surface));
  content: "!";
}

.backup-note span {
  color: var(--warning);
}

.toast-close {
  display: inline-grid;
  width: 1.625rem;
  min-height: 1.625rem;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--text-muted);
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  font-size: 1.125rem;
  line-height: 1;
}

.toast-close:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 9%, transparent);
}

.toast-close:focus-visible {
  outline: 3px solid #f2a94a;
  outline-offset: 1px;
}

.safety-note .toast-close {
  grid-column: 3;
  grid-row: 1;
}

.message,
.error {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.625rem;
  margin: 0;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
}

.message {
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.message::before {
  align-self: center;
  flex: 0 0 auto;
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--accent-bright);
  content: "";
}

.error {
  grid-template-columns: minmax(0, 1fr) auto;
  border: 1px solid var(--danger-border);
  color: var(--danger);
  background: var(--danger-soft);
  font-weight: 650;
  animation: shake 320ms var(--ease);
}

/* ---------- Task panel ---------- */

.panel {
  min-height: 0;
  overflow-y: auto;
  padding: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  animation: panel-in 380ms var(--ease);
}

.panel-heading {
  margin-bottom: 1rem;
}

.panel-heading h2 {
  margin-bottom: 0.375rem;
  font-size: clamp(1.3rem, 1.125rem + 0.7vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.panel-heading p {
  max-width: 44rem;
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.status-row {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.status-row p {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
}

.status-row .credential-time {
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 700;
}

.status-dot {
  flex: 0 0 auto;
  width: 0.75rem;
  height: 0.75rem;
  margin-top: 0.375rem;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  transition:
    border-color 300ms var(--ease),
    background 300ms var(--ease),
    box-shadow 300ms var(--ease);
}

.status-dot.ready {
  border-color: var(--success);
  background: var(--success);
  box-shadow: 0 0 0 4px rgb(23 101 63 / 14%);
}

/* ---------- Fields ---------- */

.field-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(7rem, 1fr);
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.field-grid.single {
  grid-template-columns: minmax(0, 30rem);
}

.field {
  display: grid;
  align-content: start;
  gap: 0.375rem;
  font-weight: 700;
}

.field input,
.field select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: var(--surface);
  transition:
    border-color 200ms var(--ease),
    box-shadow 200ms var(--ease),
    background 200ms var(--ease);
}

.field select {
  appearance: none;
  padding-right: 2.25rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 1.125rem) 50%,
    calc(100% - 0.8125rem) 50%;
  background-size:
    0.3125rem 0.3125rem,
    0.3125rem 0.3125rem;
  background-repeat: no-repeat;
}

.field input:hover,
.field select:hover {
  border-color: var(--accent);
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 4px rgb(19 124 116 / 13%);
}

.field input:disabled {
  color: var(--text-muted);
  background: var(--surface-muted);
  cursor: not-allowed;
}

.field small {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 450;
}

code {
  padding: 0.1rem 0.3rem;
  border-radius: 0.25rem;
  background: var(--surface-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
  overflow-wrap: anywhere;
}

/* ---------- Buttons ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.625rem;
  margin-top: 1.25rem;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.625rem 1.125rem;
  border: 1px solid transparent;
  border-radius: 0.625rem;
  font-weight: 750;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition:
    transform 200ms var(--ease),
    box-shadow 200ms var(--ease),
    background 200ms var(--ease),
    color 200ms var(--ease),
    border-color 200ms var(--ease),
    opacity 200ms var(--ease);
}

.button:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button:not(:disabled):active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-sm);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.button[aria-busy="true"] {
  cursor: progress;
}

.button[aria-busy="true"]::after {
  width: 0.9375rem;
  height: 0.9375rem;
  flex: 0 0 auto;
  border: 2px solid currentcolor;
  border-top-color: transparent;
  border-radius: 50%;
  content: "";
  animation: spin 700ms linear infinite;
}

.button.primary {
  color: #fff;
  background: var(--accent);
}

.button.primary:not(:disabled):hover {
  background: var(--accent-deep);
}

.button.secondary {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--surface);
}

.button.secondary:not(:disabled):hover,
.button.ghost:not(:disabled):hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.button.ghost {
  margin-right: auto;
  color: var(--text-muted);
  background: transparent;
  box-shadow: none;
}

.button.copied {
  border-color: var(--success);
  color: var(--success);
  background: color-mix(in srgb, var(--success) 12%, var(--surface));
}

/* ---------- Fingerprint & approvals ---------- */

.fingerprint {
  margin-top: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius);
  background: var(--warning-soft);
  animation: panel-in 320ms var(--ease);
}

.fingerprint > span {
  display: block;
  margin-bottom: 0.375rem;
  color: var(--warning);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.fingerprint > code {
  display: block;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.check-row {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.625rem;
  align-items: start;
  font-weight: 600;
  cursor: pointer;
}

.check-row input {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0.2rem 0 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.version-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.version-strip span {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  font-size: 0.8125rem;
}

/* ---------- Review ---------- */

.review-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
}

.review-grid section {
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.review-grid section:first-child {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.review-grid section:last-child {
  border-color: var(--danger-border);
  background: var(--danger-soft);
}

.check-list,
.no-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
}

.check-list li::marker {
  color: var(--success);
}

.no-list li::marker {
  color: var(--danger);
}

.approval {
  margin-top: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--warning-border);
  border-radius: var(--radius);
  background: var(--warning-soft);
}

/* ---------- Success ---------- */

.success-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.success-heading .panel-heading {
  margin-bottom: 0;
}

.success-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: 0.125rem;
  flex: none;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--success);
  box-shadow: 0 0 0 5px rgb(23 101 63 / 14%);
  font-size: 1.25rem;
  font-weight: 900;
  animation: pop-in 480ms var(--ease);
}

.result-list {
  margin: 0;
  border-top: 1px solid var(--border);
}

.result-list div {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.result-list dt {
  color: var(--text-muted);
}

.result-list dd {
  margin: 0;
  font-weight: 700;
}

.result-list dd.result-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.625rem;
}

#copy-settings {
  margin-top: 0.875rem;
}

.copy-value {
  min-height: 2rem;
  padding: 0.3125rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
}

.model-box,
.final-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.model-box p,
.final-note {
  margin-bottom: 0;
}

.model-box p {
  color: var(--text-muted);
}

.final-note {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.recipe-disclosure {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.recipe-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

.recipe-disclosure summary::-webkit-details-marker {
  display: none;
}

.recipe-disclosure summary::after {
  flex: none;
  color: var(--accent);
  content: "+";
  font-size: 1.25rem;
  line-height: 1;
}

.recipe-disclosure[open] summary::after {
  content: "−";
}

.recipe-content {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
}

.recipe-content .result-list {
  border-top: 0;
}

.sample-body-row {
  align-items: start !important;
}

.sample-json {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
}

.sample-json code {
  display: block;
  padding: 0.75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  line-height: 1.45;
}

#copy-http-recipe {
  margin-top: 0.875rem;
}

/* ---------- Footer ---------- */

footer {
  flex: none;
  padding: 0.4375rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--surface);
  font-size: 0.75rem;
  text-align: center;
}

footer p {
  margin: 0;
}

/* ---------- Dark mode refinement ---------- */

:root[data-theme="dark"] .brand-mark {
  padding: 0.125rem;
  background: #f7f8f5;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 14%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .brand-mark {
    padding: 0.125rem;
    background: #f7f8f5;
    box-shadow: 0 0 0 1px rgb(255 255 255 / 14%);
  }
}

/* ---------- Animations ---------- */

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  70% {
    transform: scale(1.08);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

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

/* ---------- Small screens: stack rail above the task ---------- */

@media (max-width: 60rem) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    gap: 0.75rem;
    width: min(100% - 1.25rem, 44rem);
    padding: 0.75rem 0;
  }

  .rail {
    overflow: visible;
    gap: 0.625rem;
  }

  .intro h1 {
    margin-bottom: 0.25rem;
    font-size: 1.25rem;
  }

  .lede {
    font-size: 0.8125rem;
  }

  .steps {
    padding-top: 0.625rem;
  }

  .steps ol {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 0;
  }

  .steps li {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0.3125rem;
    padding: 0;
    font-size: 0.75rem;
    text-align: center;
  }

  .steps li::before {
    top: 0.8125rem;
    right: 50%;
    left: auto;
    width: 100%;
    height: 2px;
  }

  .steps li span {
    width: 1.625rem;
    height: 1.625rem;
  }

  .toast-stack {
    padding-top: 0.625rem;
  }

  .panel {
    padding: 1rem;
  }
}

/* Keep every desktop step visible on common 720–768px laptop displays. */
@media (min-width: 961px) and (max-height: 768px) {
  .shell {
    padding-block: 0.5rem;
  }

  .rail {
    gap: 0.625rem;
  }

  .intro h1 {
    font-size: 1.375rem;
  }

  .lede {
    font-size: 0.8125rem;
    line-height: 1.4;
  }

  .steps {
    padding-top: 0.5rem;
  }

  .steps ol {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 0;
  }

  .steps li {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0.25rem;
    padding: 0;
    font-size: 0.6875rem;
    text-align: center;
  }

  .steps li::before {
    top: 0.75rem;
    right: 50%;
    left: auto;
    width: 100%;
    height: 2px;
  }

  .steps li span {
    width: 1.5rem;
    height: 1.5rem;
  }

  .toast-stack {
    gap: 0.5rem;
    padding-top: 0.5rem;
  }

  .safety-note {
    grid-template-columns: 1.5rem minmax(0, 1fr) auto;
    padding: 0.5rem 0.5rem 0.5rem 0.625rem;
    font-size: 0.75rem;
  }

  .safety-note::before {
    width: 1.5rem;
    height: 1.5rem;
  }

  .safety-note > span {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .message,
  .error {
    padding-block: 0.5rem;
    font-size: 0.75rem;
  }

  .panel {
    padding: 1rem;
  }

  .panel-heading {
    margin-bottom: 0.625rem;
  }

  .panel-heading h2 {
    margin-bottom: 0.25rem;
  }

  .panel-heading p {
    font-size: 0.875rem;
  }

  .field-grid {
    gap: 0.5rem 0.75rem;
    margin-bottom: 0.625rem;
  }

  .field {
    gap: 0.25rem;
  }

  .field input,
  .field select {
    min-height: 2.5rem;
  }

  .field small {
    font-size: 0.75rem;
    line-height: 1.25;
  }

  .fingerprint {
    margin-top: 0.625rem;
    padding: 0.625rem 0.75rem;
  }

  .fingerprint > code {
    margin-bottom: 0.5rem;
    padding-block: 0.375rem;
  }

  .actions {
    margin-top: 0.75rem;
  }

  .button {
    min-height: 2.5rem;
  }

  .success-heading,
  .result-list,
  #copy-settings,
  .model-box,
  .final-note,
  .recipe-disclosure {
    margin-top: 0.625rem;
  }

  .success-heading {
    margin-bottom: 0.625rem;
  }

  .result-list div {
    padding-block: 0.375rem;
  }

  .model-box,
  .final-note {
    padding-block: 0.625rem;
  }
}

@media (max-width: 42rem) {
  .local-badge {
    display: none;
  }

  .site-header {
    padding-inline: 1rem;
  }

  .header-actions {
    gap: 0.375rem;
  }

  .safety-note {
    align-items: center;
  }

  .safety-note > span {
    display: none;
  }

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

  .actions {
    flex-direction: column-reverse;
  }

  .button,
  .button.ghost {
    width: 100%;
    margin-right: 0;
  }

  .result-list div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .sample-body-row dd.result-value {
    align-items: stretch;
  }
}

@media (max-width: 24rem) {
  .lede {
    display: none;
  }
}

/* Keep task controls usable in phone landscape and other short, narrow views. */
@media (max-width: 60rem) and (max-height: 36rem) {
  .shell {
    grid-template-rows: auto minmax(7rem, 1fr);
    gap: 0.5rem;
    padding-block: 0.5rem;
  }

  .rail {
    min-width: 0;
    gap: 0.375rem;
    overflow: hidden;
  }

  .intro {
    display: none;
  }

  .steps {
    padding-top: 0.375rem;
  }

  .steps li {
    gap: 0.1875rem;
    font-size: 0.6875rem;
  }

  .steps li::before {
    top: 0.75rem;
  }

  .steps li span {
    width: 1.5rem;
    height: 1.5rem;
  }

  .toast-stack {
    display: flex;
    min-width: 0;
    gap: 0.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding-top: 0.375rem;
    scroll-padding-inline: 0.125rem;
    scrollbar-width: thin;
  }

  .toast-stack .toast {
    flex: 0 0 min(14rem, calc(100vw - 2.5rem));
    min-width: 0;
  }

  .safety-note {
    grid-template-columns: 1.5rem minmax(0, 1fr) 1.5rem;
    gap: 0.125rem 0.5rem;
    padding: 0.5rem 0.5rem 0.5rem 0.625rem;
    font-size: 0.75rem;
  }

  .safety-note::before {
    width: 1.5rem;
    height: 1.5rem;
  }

  .safety-note > span {
    display: none;
  }

  .message,
  .error {
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
  }

  #global-message-text,
  .error > span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .toast-close {
    width: 1.5rem;
    min-height: 1.5rem;
  }

  .panel {
    min-height: 7rem;
    overflow-y: auto;
    padding: 0.875rem;
  }

  .panel-heading {
    margin-bottom: 0.625rem;
  }

  .panel-heading p {
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}