/* guide.css: guide pages, the steps calculator and the guide index. Flat colours, edge shadows. */

/* The calculator toggles fields and its JS-only form with [hidden]; keep it winning over display rules. */
.guide-tool [hidden] { display: none; }

body[data-page="guide"] main {
  padding: var(--space-6) var(--container-pad) var(--space-8);
}

.guide,
.guides-index {
  max-width: 44rem;
  margin: 0 auto;
}

.guides-index { max-width: 48rem; }

.guide__header {
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 2px solid var(--line);
}

.guide__header h1 {
  font-size: clamp(2rem, 4vw + 0.75rem, 3.25rem);
  text-wrap: balance;
}

.guide__crumb {
  margin-bottom: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 600;
}

.guide__crumb a {
  color: var(--coach);
  padding: var(--space-1) 0;
}

.guide__crumb a::before { content: "\2190\00a0"; }
.guide__crumb a:hover { text-decoration: underline; text-underline-offset: 4px; }

.guide__intro {
  max-width: 68ch;
  margin-top: var(--space-4);
  font-size: var(--fs-lead);
  color: var(--text-secondary);
}

.guide__body {
  max-width: 70ch;
  color: var(--text-secondary);
  overflow-wrap: break-word;
}

.guide__body > * + * { margin-top: var(--space-4); }

.guide__body > p:first-child {
  font-size: var(--fs-lead);
  color: var(--text-main);
}

.guide__body strong { color: var(--text-main); font-weight: 600; }

.guide__body h2 {
  margin-top: var(--space-7);
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  color: var(--text-main);
  text-wrap: balance;
}

.guide__body h2 + * { margin-top: var(--space-3); }

.guide__body ol,
.guide__body ul {
  padding-left: 1.4rem;
}

.guide__body li + li { margin-top: var(--space-2); }
.guide__body li::marker { color: var(--coach); font-weight: 600; }

.guide__body a,
.guide-sources a {
  color: var(--coach);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.guide__body a:hover,
.guide-sources a:hover { color: var(--text-main); }

/* Calculator */

.guide-tool {
  max-width: 100%;
  padding: var(--space-5);
  background: var(--surface-card);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-shadow);
  color: var(--text-main);
}

.guide-tool > * + * { margin-top: var(--space-4); }

.guide-tool__formula {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

.guide-tool__form > * + * { margin-top: var(--space-4); }

.guide-tool__field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.guide-tool label {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-main);
}

.guide-tool__field label { flex: 1 0 100%; }

.guide-tool input[type="text"] {
  flex: 1 1 8rem;
  min-width: 0;
  max-width: 100%;
  min-height: 48px;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-main);
  background: var(--surface);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--t-fast);
}

.guide-tool input[type="text"]:hover { border-color: var(--text-tertiary); }

.guide-tool input[type="text"]:focus-visible {
  border-color: var(--coach);
  outline: 3px solid var(--coach);
  outline-offset: 2px;
}

.guide-tool input[aria-invalid="true"] {
  border-color: var(--data-run);
  background: var(--surface-card-2);
}

.guide-tool__choice {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-inline: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.guide-tool__choice legend {
  flex: 1 0 100%;
  padding: 0;
  margin-bottom: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-tertiary);
}

/* Radios become chunky segment chips; the native input stays focusable. */
.guide-tool__choice label {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  background: var(--surface-card-2);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.guide-tool__choice label:hover { border-color: var(--text-tertiary); }

.guide-tool__choice input[type="radio"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.guide-tool__choice label:has(input:checked) {
  background: var(--coach);
  border-color: var(--coach);
  color: var(--coach-ink);
  font-weight: 600;
}

.guide-tool__choice label:has(input:focus-visible) {
  outline: 3px solid var(--coach);
  outline-offset: 3px;
}

.guide-tool__result-row {
  margin: 0;
}

.guide-tool__result {
  display: block;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1vw + 1rem, 1.6rem);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.guide-tool__result[data-state="result"] {
  background: var(--data-steps);
  color: var(--data-ink);
  box-shadow: 0 5px 0 var(--surface-edge);
}

.guide-tool__result[data-state="message"] {
  background: var(--surface-card-2);
  border: 2px dashed var(--data-run);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 500;
  letter-spacing: 0;
}

.guide-tool__result:empty { display: none; }

/* Sources */

.guide-sources {
  max-width: 70ch;
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 2px solid var(--line);
  font-size: var(--fs-small);
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.guide-sources h2 { font-size: var(--fs-h3); }
.guide-sources ol { margin: var(--space-3) 0 0; padding-left: 1.4rem; }
.guide-sources li + li { margin-top: var(--space-2); }
.guide-sources__reviewed { margin-top: var(--space-4); font-family: var(--font-sans); font-size: var(--fs-label); color: var(--text-tertiary); }
.guide-sources__note { margin-top: var(--space-2); color: var(--text-tertiary); }

/* Coach call to action */

.guide-cta {
  margin-top: var(--space-7);
  padding: var(--space-5);
  background: var(--coach-surface);
  border: 2px solid var(--coach-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-shadow-coach);
}

.guide-cta > * + * { margin-top: var(--space-3); }

.guide-cta__label {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--coach);
}

.guide-cta h2 { font-size: var(--fs-h3); text-wrap: balance; }

.guide-cta__line {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--coach);
  color: var(--coach-ink);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) var(--space-1);
  font-weight: 600;
}

.guide-cta__body { color: var(--coach-text-soft); max-width: 60ch; }

.guide-cta .store-badge { margin-top: var(--space-4); }

/* Index */

.guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-5);
}

.guide-list__item {
  position: relative;
  padding: var(--space-5);
  background: var(--surface-card);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-shadow);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.guide-list__item:hover { transform: translateY(-2px); box-shadow: 0 9px 0 var(--surface-edge); }
.guide-list__item:active { transform: translateY(4px); box-shadow: var(--edge-shadow-pressed); }

.guide-list__title { font-size: var(--fs-h3); text-wrap: balance; }

/* The whole card is the hit area. */
.guide-list__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.guide-list__link:hover { color: var(--coach); }

.guide-list__link:focus-visible { outline: none; }
.guide-list__link:focus-visible::after {
  outline: 3px solid var(--coach);
  outline-offset: 3px;
}

.guide-list__desc {
  margin-top: var(--space-2);
  max-width: 62ch;
  color: var(--text-secondary);
}

.guides-index .guide-cta { margin-top: var(--space-7); }

@media (max-width: 480px) {
  body[data-page="guide"] main { padding-top: var(--space-5); }
  .guide-tool, .guide-cta, .guide-list__item { padding: var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  .guide-list__item,
  .guide-tool input[type="text"],
  .guide-tool__choice label { transition: none; }
  .guide-list__item:hover,
  .guide-list__item:active { transform: none; }
}