/*
 * Workout recommender + library styles.
 *
 * Kept in a SEPARATE stylesheet (linked via its own stylesheet_link_tag in the
 * layout) rather than appended to application.css: it keeps this feature's rules
 * self-contained, and application.css is large and frequently touched. All colours,
 * spacing and radii reference the design tokens defined in application.css :root.
 */

/* ── Generate tiles: make button_to forms transparent to the grid ──────────────
 * Also mirrored on .gen__tiles in application.css so the dashboard tiles stay
 * correct even if this feature stylesheet fails to load. */
.gen__tiles form.button_to {
  display: contents;
}

/* A live (clickable) generate tile: same look as .gen-tile, minus the "soon" chip. */
.gen-tile--live {
  cursor: pointer;
}

/* Recommendation decisions are explicit: the page explains an existing plan
 * before offering a move or a new library session. */
.workout-decision {
  display: grid;
  gap: var(--space-5);
}

.workout-decision .eyebrow,
.decision-card__eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.decision-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.decision-card h2,
.decision-card h3,
.decision-card p {
  margin: 0;
}

.decision-card--rest { border-left: 4px solid #0b6e4f; }
.decision-card--conflict { border-left: 4px solid #b45309; }

.decision-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.decision-plan-list {
  display: grid;
  gap: var(--space-2);
}

.decision-plan-list > h3 {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.decision-plan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
}

.decision-plan__body {
  min-width: 0;
}

.decision-plan h3 {
  font-size: var(--text-base);
}

.decision-plan p {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

/* A "Coming up" row that links to its planned workout. Keeps the hairline .rowitem
 * look; just signals interactivity and carries the sport accent on its left edge. */
.rowitem--link {
  text-decoration: none;
  color: inherit;
  border-left: 3px solid var(--accent-ink, transparent);
  padding-left: var(--space-3);
  margin-left: calc(-1 * var(--space-3) - 3px);
  border-radius: var(--radius-sm);
  transition: background-color 0.12s ease;
}

.rowitem--link:hover {
  background: var(--color-surface-sunken);
}

/* ── Workout detail ───────────────────────────────────────────────────────── */
.workout-show {
  display: grid;
  gap: var(--space-5);
}

.workout-show__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: calc(-1 * var(--space-3));
}

.workout-show__foot code {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Step tree — an ordered list of segments and repeat blocks. Repeat blocks nest
 * their own list, indented and rule-marked, so nested repeats read clearly. */
.wsteps,
.wstep__children {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

/* Leaf segment: role · size · target, colour-keyed to the sport accent. */
.wstep--seg {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--accent-ink, var(--color-ink-faint));
  border-radius: var(--radius-md);
}

.wstep__kind {
  font-weight: 700;
  min-width: 6.5rem;
  color: var(--color-ink-strong);
}

.wstep__mag {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-ink);
}

.wstep__target {
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-ink, var(--color-ink-muted));
  background: var(--accent-soft, var(--color-surface-sunken));
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

/* Repeat block: a labelled, indented container for its children. */
.wstep--repeat {
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--color-surface-sunken);
}

.wstep__repeat-head {
  margin-bottom: var(--space-2);
}

.wstep__times {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: var(--text-sm);
  color: #fff;
  background: var(--accent-ink, var(--color-ink-muted));
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-pill);
}

.wstep__children {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-border-strong);
}

/* ── Library ──────────────────────────────────────────────────────────────── */
.library {
  display: grid;
  gap: var(--space-6);
}

.library__nl {
  margin: 0;
}

.library__group {
  display: grid;
  gap: var(--space-2);
}

.library__sport-picker {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.library__sport-picker-label {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.library__sport-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.library__sport-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 3.25rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  color: var(--color-ink-strong);
  text-decoration: none;
  transition: border-color 0.12s ease, background-color 0.12s ease, color 0.12s ease;
}

.library__sport-option:hover {
  border-color: var(--color-brand);
  background: var(--color-brand-soft);
}

.library__sport-option--active,
.library__sport-option[aria-current="page"] {
  border-color: var(--color-brand);
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
  box-shadow: inset 0 0 0 1px var(--color-brand);
}

.library__sport-option[data-sport="running"].library__sport-option--active,
.library__sport-option[data-sport="running"][aria-current="page"] {
  border-color: var(--sport-running-ink);
  background: var(--sport-running-soft);
  color: var(--sport-running-ink);
  box-shadow: inset 0 0 0 1px var(--sport-running-ink);
}

.library__sport-icon {
  font-size: var(--text-xl);
  line-height: 1;
}

.library__sport-name {
  font-size: var(--text-base);
  font-weight: 800;
}

.library__sport-count {
  margin-left: auto;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

/* ── Intensity grade pill (stable internal grade keys) ─────────────────────── */
.grade {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius-sm);
  vertical-align: middle;
  white-space: nowrap;
}

.grade--easy      { background: #e2efe9; color: #0b6e4f; }
.grade--medium    { background: #fbeedd; color: #b45309; }
.grade--hard      { background: #ffe4d3; color: #c2410c; }
.grade--very_hard { background: #fde2e0; color: #b42318; }

/* Easier / harder intensity swap on a workout page. */
.intensity-swap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: calc(-1 * var(--space-3));
}

.intensity-swap__label {
  font-size: var(--text-sm);
  margin-right: var(--space-1);
}

/* Completion state strip on a workout page (auto-linked by Workouts::Matcher). */
.workout-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.workout-status--completed { background: #e2efe9; color: #0b6e4f; }
.workout-status--skipped   { background: #fbeedd; color: #b45309; }
.workout-status__text { font-weight: 600; }

/* "Get it on your device" — downloads + how-to on a workout page. */
.delivery {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
}

.delivery__head {
  margin: 0;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.delivery__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Last provider push outcome (PushAttempt) — reuses the completion palette. */
.delivery__status {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
}
.delivery__status--succeeded { color: #0b6e4f; }
.delivery__status--queued,
.delivery__status--processing { color: #475467; }
.delivery__status--failed    { color: #b42318; }
.delivery__status--stale     { color: #b45309; }

.delivery__how {
  margin: 0;
  padding-left: var(--space-4);
  display: grid;
  gap: var(--space-1);
  font-size: var(--text-sm);
}

.delivery__how code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Library "Add on a day" — date picker + Add button, kept inline & compact. */
.add-form {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.add-form__date {
  font-size: var(--text-sm);
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* Template-first editor. The same form stacks on small screens; the controls stay
 * ordinary fields so the page remains usable without a bespoke mobile workflow. */
.workout-editor {
  display: grid;
  gap: var(--space-5);
}

.section-heading__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.workout-editor .eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workout-editor__form {
  display: grid;
  gap: var(--space-4);
}

.workout-editor__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  align-items: start;
  gap: var(--space-4);
}

.workout-editor__controls,
.workout-editor__footer,
.editor-card,
.editor-fields,
.editor-step__fields,
.editor-target,
.editor-actions,
.editor-step__actions,
.editor-step__helpers {
  display: flex;
  gap: var(--space-2);
}

.workout-editor__controls,
.editor-card,
.editor-fields,
.editor-step__fields,
.editor-target {
  flex-direction: column;
}

.editor-card {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.editor-card--preview {
  position: sticky;
  top: var(--space-4);
  background: var(--color-surface-sunken);
}

.editor-card__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.editor-card__heading h2 {
  margin: 0;
  font-size: var(--text-lg);
}

.editor-card__hint {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.editor-fields {
  flex-direction: row;
  flex-wrap: wrap;
}

.editor-field {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

.editor-field > input,
.editor-field > select,
.editor-inline-field input,
.editor-inline-field select {
  min-width: 0;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
}

.editor-field--compact {
  flex-wrap: wrap;
}

.editor-field__unit {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.editor-steps {
  display: grid;
  gap: var(--space-2);
}

.editor-step {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--accent-ink, var(--color-ink-faint));
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.editor-step--collapsed {
  gap: 0;
}

.editor-step--repeat {
  border-style: dashed;
  background: var(--color-surface-sunken);
}

.editor-step__summary {
  display: flex;
  align-items: center;
  width: 100%;
  gap: var(--space-3);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.editor-step__summary:hover {
  color: var(--accent-ink, var(--color-ink-strong));
}

.editor-step__summary-content {
  display: grid;
  grid-template-columns: minmax(6rem, 1fr) auto minmax(4rem, auto);
  align-items: baseline;
  gap: var(--space-2);
  min-width: 0;
  flex: 1;
}

.editor-step__summary-content > span {
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor-step__summary-content > strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.editor-step__summary-content > em {
  overflow: hidden;
  color: var(--accent-ink, var(--color-ink-muted));
  font-size: var(--text-sm);
  font-style: normal;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor-step__summary-action {
  color: var(--accent-ink, var(--color-ink-muted));
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.editor-step__body {
  display: grid;
  gap: var(--space-3);
}

.editor-step__body[hidden] {
  display: none;
}

.editor-step__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.editor-inline-field {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink-strong);
  font-size: var(--text-sm);
  font-weight: 700;
}

.editor-step__actions,
.editor-step__helpers {
  align-items: center;
  flex-wrap: wrap;
}

.editor-step__children {
  display: grid;
  gap: var(--space-2);
  margin-left: var(--space-2);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-border-strong);
}

.editor-step__hint {
  margin: calc(-1 * var(--space-1)) 0 0;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.editor-step__footer {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.editor-target {
  align-items: flex-start;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.editor-target__label {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.editor-actions {
  align-items: center;
  flex-wrap: wrap;
}

.editor-actions--add {
  padding-top: var(--space-1);
}

.editor-actions--nested {
  padding-top: var(--space-1);
}

.editor-preview {
  display: grid;
  gap: var(--space-2);
}

.preview-node {
  display: grid;
  grid-template-columns: minmax(5rem, 0.7fr) auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
}

.preview-node strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.preview-node em {
  color: var(--accent-ink, var(--color-ink-muted));
  font-style: normal;
  font-weight: 700;
  text-align: right;
}

.preview-node--repeat {
  display: block;
  border: 1px dashed var(--color-border-strong);
  background: transparent;
}

.preview-node__repeat-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.preview-node__note {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.preview-node__sets {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.preview-repeat-block {
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
}

.preview-repeat-block > strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.preview-node__children {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-2);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-border-strong);
}

.workout-editor__footer {
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-1);
}

.editor-message {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.editor-message ul {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-4);
}

.editor-message p {
  margin: var(--space-2) 0 0;
}

.editor-message--error {
  background: #fde2e0;
  color: #8c1d18;
}

.editor-message--warning {
  background: #fbeedd;
  color: #8a4b08;
}

.btn--xs {
  padding: 0.15rem 0.35rem;
  font-size: var(--text-xs);
}

@media (max-width: 760px) {
  .workout-editor__layout {
    grid-template-columns: 1fr;
  }

  .editor-card--preview {
    position: static;
    order: -1;
  }

  .editor-fields,
  .editor-step__fields,
  .editor-target {
    align-items: stretch;
  }

  .editor-field,
  .editor-field > input,
  .editor-field > select {
    width: 100%;
  }

  .editor-field--compact {
    width: auto;
  }

  .editor-field--compact > input,
  .editor-field--compact > select {
    width: auto;
  }

  .editor-step__summary-content {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .editor-step__summary-content > em {
    grid-column: 1;
  }

  .workout-editor__footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    margin: 0 calc(-1 * var(--space-3));
    padding: var(--space-3);
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    border-top: 1px solid var(--color-border);
  }

  .workout-editor__footer .btn--primary {
    flex: 1;
  }
}

.nl-parse {
  display: grid;
  gap: var(--space-5);
  max-width: 40rem;
}

.nl-parse__form {
  display: grid;
  gap: var(--space-4);
}

.nl-parse__textarea {
  width: 100%;
  min-height: 7rem;
  padding: var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
  line-height: 1.45;
  resize: vertical;
}

.nl-parse__sport {
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.nl-parse__hint {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.nl-parse__sport-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.nl-parse__sport-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nl-parse__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.nl-parse__loader {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.nl-parse__spinner {
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.2rem;
  border: 0.2rem solid color-mix(in srgb, var(--color-brand) 20%, transparent);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: nl-parse-spin 0.8s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .nl-parse__spinner {
    animation: none;
    border-color: var(--color-brand);
    border-right-color: transparent;
  }
}

.nl-parse__loader-title {
  margin: 0 0 var(--space-1);
  font-weight: 600;
}

.nl-parse__loader-copy {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.nl-parse__loader-prompt {
  margin: var(--space-3) 0 0;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  font-style: italic;
}