/* Recipe Scaler. Shared tokens (colors, radius, shadow, fonts) come from /shared/tokens.css */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
}

/* Components set display (grid, flex); keep the hidden attribute stronger */
[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.tool {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

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

.recipe-intro {
  display: grid;
  gap: 0.4rem;
}

.recipe-title {
  margin: 0;
  font-family: var(--font-display);
  text-transform: var(--display-case);
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 800;
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
}

.card {
  display: grid;
  gap: 1rem;
  min-width: 0;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  text-transform: var(--display-case);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: var(--tracking-display);
}

.card-hint {
  margin: 0;
  color: var(--text-muted);
}

/* ── controls ─────────────────────────────────────────────────────────────── */

.field {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.field-label {
  padding: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.75rem;
}

.field--num {
  flex: 1 1 8rem;
  max-width: 12rem;
}

.field-arrow {
  padding-bottom: 0.6rem;
  color: var(--accent-text);
}

.input {
  width: 100%;
  min-width: 0;
  padding: 0.6rem 0.75rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
}

.recipe-input {
  min-height: 12rem;
  resize: vertical;
  line-height: 1.5;
}

.input:focus-visible,
.btn:focus-visible,
.segmented-btn:focus-visible,
.about-summary:focus-visible,
.about a:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.5rem;
  padding: 0.55rem 1rem;
  font: 600 0.9rem/1.2 var(--button-font);
  text-transform: var(--button-case);
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  cursor: pointer;
}

.btn:hover {
  border-color: var(--text-muted);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--small {
  min-height: 2.25rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn--primary {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
}

.btn--primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.plain-fieldset {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.segmented {
  display: inline-flex;
  justify-self: start;
  max-width: 100%;
  padding: 0.2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
}

.segmented--3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-self: stretch;
  max-width: 26rem;
}

.segmented-btn {
  min-height: 2.25rem;
  padding: 0.3rem 0.8rem;
  font: 600 0.85rem/1.15 var(--font-sans);
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius) - 5px);
  cursor: pointer;
}

.segmented--3 .segmented-btn {
  padding-inline: 0.4rem;
}

.segmented-btn[aria-pressed="true"] {
  color: var(--on-accent);
  background: var(--accent);
}

.form-error {
  margin: 0;
  font-size: 0.9rem;
  color: var(--danger);
}

/* ── result ───────────────────────────────────────────────────────────────── */

.result-summary {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.result-summary:empty {
  display: none;
}

.result-list {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0.75rem 1rem;
  list-style: none;
  line-height: 1.5;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  overflow-wrap: anywhere;
}

.line {
  min-height: 1.5em;
  white-space: pre-wrap;
}

.line--kept {
  color: var(--text-muted);
}

.qty {
  font-weight: 700;
  color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}

.legend {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.legend-swatch {
  width: 0.75rem;
  height: 0.75rem;
  flex: none;
  background: var(--text-muted);
  border-radius: var(--radius-sm);
  opacity: 0.6;
}

.note {
  margin: 0;
  padding: 0.6rem 0.8rem;
  font-size: 0.875rem;
  background: rgba(var(--accent-rgb), 0.08);
  border-left: 3px solid var(--accent);
  border-radius: calc(var(--radius) - 4px);
}

.action-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.action-status:empty {
  display: none;
}

/* ── units and sources ────────────────────────────────────────────────────── */

.about {
  display: block;
}

.about-summary {
  font-family: var(--font-display);
  text-transform: var(--display-case);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  cursor: pointer;
  border-radius: calc(var(--radius) - 4px);
}

.about[open] .about-summary {
  margin-bottom: 1rem;
}

.about-body {
  display: grid;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.about-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.1rem;
}

.about-text {
  margin: 0;
}

.about a {
  color: var(--accent-text);
  overflow-wrap: anywhere;
}

.weights {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.weights th,
.weights td {
  padding: 0.35rem 0.5rem 0.35rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.weights th {
  font-weight: 500;
  color: var(--text);
}

.weights-grams {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--text);
}

.weights td:last-child {
  padding-right: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: nowrap;
}

@media (max-width: 400px) {
  .tool {
    padding-inline: 0.75rem;
  }

  .card {
    padding: 1rem;
  }

  .result-list {
    padding: 0.6rem 0.75rem;
  }
}