/* CertaRounds — Practice screen styles (src/screens/practice.js). Owned by its M3 screen agent.
   Semantic tokens only (docs/COMPONENTS.md §2). Components (ModeCard, WidgetHeader,
   SuggestedSessionCard, ChipGroup…) are composed as they are; rules here style only the
   screen's own wrappers and the content nodes it passes into component slots.
   Tiers come from JS (.pr--phone · .pr--md · .pr--wide) plus width media queries. */

/* ============ Page rhythm ============ */
.pr { --pr-gap: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-6); }
.pr .pr-head { margin-bottom: 0; }
.pr .page-header__sub { max-width: 60ch; }
.pr-group { display: flex; flex-direction: column; gap: var(--sp-3); min-width: 0; }
@media (min-width: 768px) {
  .pr { --pr-gap: var(--sp-4); gap: var(--sp-7); }
  .pr-group { gap: var(--sp-4); }
}


/* ============ Recommended ============ */
.pr-reco { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--pr-gap); }
.pr-reco__side { display: flex; flex-direction: column; gap: var(--pr-gap); min-width: 0; }
@media (min-width: 768px) {
  .pr-reco__side { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
}
@media (min-width: 1200px) {
  .pr-reco { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pr-rx { grid-column: span 2; }
  .pr-reco__side { display: flex; flex-direction: column; }
  /* the column matches the Daily Round card: its cards share the height, content centred */
  .pr-reco__side > .card { flex: 1 1 auto; display: flex; align-items: center; }
  .pr-reco__side > .card > .suggest { flex: 1 1 auto; }
  /* fewer than three side cards (day one): a row under a full-width Daily card, nothing stretched */
  .pr-reco--row { grid-template-columns: minmax(0, 1fr); }
  .pr-reco--row .pr-rx { grid-column: auto; }
  .pr-reco--row .pr-reco__side { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
  /* full-width Daily card: the mix sits beside stats AND focus (left column is wide enough for the
     chips on one row), so both columns end together; the divider stops where the mix does */
  .pr-rx--mix.pr-rx--span .pr-rx__mix { grid-column: 2; grid-row: 1 / span 2; align-self: start; }
  .pr-rx--mix.pr-rx--span .pr-rx__focusrow { grid-column: 1; grid-row: 2; }
}

/* Daily Round — the desktop reference's "Today's Prescription" card */
.pr-rx { display: grid; grid-template-columns: minmax(0, 1fr); column-gap: var(--sp-6); row-gap: var(--sp-4); align-content: start; }
.pr-rx__main { display: flex; flex-direction: column; gap: var(--sp-4); min-width: 0; }
.pr-rx__stats { display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-7); }
.pr-rx__stat { display: flex; align-items: center; gap: var(--sp-3); min-width: 0; }
.pr-rx__statgem { display: inline-flex; flex-shrink: 0; margin-left: -4px; }   /* the gem art is inset ~4 px: its disc lines up with the text edge below */
.pr-rx .w-head__gem { margin-left: -3px; }
.pr-rx__main > .w-head { margin-bottom: 0; }   /* the column gap alone spaces header and stats (no double band) */
.pr-rx__stattext { display: flex; flex-direction: column; min-width: 0; }
.pr-rx__num {
  font-size: var(--fs-24); font-weight: var(--fw-bold); letter-spacing: var(--tracking-tight);
  line-height: 1.1; color: var(--text-strong); font-variant-numeric: tabular-nums;
}
.pr-rx__label { font-size: var(--fs-13); color: var(--text-3); line-height: 1.35; }
.pr-rx__focuslabel { font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-strong); margin-bottom: var(--sp-2); }
.pr-rx__chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.pr-rx__chips > li { display: flex; min-width: 0; max-width: 100%; }
.pr-rx__chips > li.pr-rx__more { align-items: center; padding: 0 var(--sp-1); font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-3); }
/* phone (D18, same line as Home): "Focus: Fluid and Electrolyte Disturbances +2" */
.pr-rx__focusline { font-size: var(--fs-13); line-height: 1.45; color: var(--text-2); }
.pr-rx__focuslead { color: var(--text-3); font-weight: var(--fw-medium); }
.pr-rx__note { font-size: var(--fs-15); color: var(--text-2); line-height: 1.5; }
.pr-rx__row { display: flex; flex-direction: column; gap: var(--sp-3); min-width: 0; }
/* meta items never break inside ("207 overdue", "35 questions in all") */
.pr .pr-tok, .pr-sheet .pr-tok { white-space: nowrap; }
.pr-rx .progress { margin-top: calc(-1 * var(--sp-1)); }
.pr-rx__mix { display: none; }
@media (min-width: 768px) {
  .pr-rx--mix { grid-template-columns: minmax(0, 1fr) minmax(200px, 236px); }
  .pr-rx--mix .pr-rx__cta { grid-column: 1 / -1; }
  .pr-rx--mix .pr-rx__focusrow { grid-column: 1 / -1; }   /* focus chips span under stats | mix: both columns end together */
  /* the primary pill stays a pill beside the stats (reference CTA ~ 360-440 px), never a card-wide bar */
  .pr-rx__cta .btn { min-width: 320px; max-width: 440px; }
  /* day one: the note sits beside the stats so the card is no taller than the column beside it */
  .pr-rx__row { flex-direction: row; align-items: center; gap: var(--sp-7); }
  .pr-rx__row > .pr-rx__stats { flex: 0 0 auto; }
  .pr-rx__row > .pr-rx__note { flex: 1 1 0; min-width: 0; }
  .pr-rx__mix { display: block; padding-left: var(--sp-6); border-left: 1px solid var(--divider); }
}
.pr-rx__mixtitle {
  font-size: var(--fs-12); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-wide);
  text-transform: uppercase; color: var(--text-3); margin-bottom: var(--sp-2);
}
.pr-mix { display: flex; flex-direction: column; }
.pr-mix__row { display: flex; align-items: center; gap: 10px; min-height: 32px; font-size: var(--fs-15); }
.pr-mix__gem { display: inline-flex; flex-shrink: 0; }
.pr-mix__label { flex: 1 1 auto; min-width: 0; color: var(--text-2); }
.pr-mix__num { font-weight: var(--fw-semibold); color: var(--text-strong); font-variant-numeric: tabular-nums; }

/* ============ Mode tiles (tablet/desktop): our footer inside ModeCard (DS33 draws the stat) ============ */
.pr-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--pr-gap); }
.pr-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pr-mf__row {
  flex: 1 1 100%; min-width: 0;
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2);
  padding-top: 10px; border-top: 1px solid var(--divider);
}
.pr-mf__line { min-width: 0; font-size: var(--fs-13); font-weight: var(--fw-medium); color: var(--text-2); line-height: 1.35; }   /* wraps between items, never ellipsized (D6) */
.pr-mf__go { display: inline-flex; align-items: center; gap: 2px; flex-shrink: 0; font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--link); }

/* ============ Mode rows (phones): gem · title/line · count · chevron in fixed slots ============ */
.pr-rows { padding: 0; overflow: hidden; }
.pr-rows__head {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-4) var(--sp-1);
  font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-2);
}
.pr-rows__head .icon { color: var(--text-3); }
.pr-rows__item + .pr-rows__item { border-top: 1px solid var(--divider); }
.pr-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto 18px;
  column-gap: var(--sp-3);
  align-items: center;
  width: 100%; min-height: 64px;
  padding: var(--sp-3) var(--sp-3) var(--sp-3) var(--sp-4);
  text-align: left; color: var(--text);
  transition: background var(--dur-1) var(--ease-out);
}
.pr-row__gem { display: inline-flex; }
.pr-row__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pr-row__title { font-size: var(--fs-15); font-weight: var(--fw-semibold); color: var(--text-strong); line-height: 1.3; }
.pr-row__line { font-size: var(--fs-13); color: var(--text-2); line-height: 1.4; }
.pr-row__count { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.15; }
.pr-row__num { font-size: var(--fs-17); font-weight: var(--fw-bold); color: var(--text-strong); font-variant-numeric: tabular-nums; letter-spacing: var(--tracking-snug); }
.pr-row__unit { font-size: var(--fs-12); color: var(--text-3); white-space: nowrap; }
.pr-row__chev { color: var(--text-3); grid-column: 4; }
button.pr-row { cursor: pointer; }
button.pr-row:hover { background: var(--surface-hover); }
button.pr-row:hover .pr-row__chev { color: var(--link); }
button.pr-row:active { background: var(--surface-pressed); }
button.pr-row:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--focus); }
/* Empty round: muted gem, title in secondary ink, the reason stays readable (AA on white) */
.pr-row.is-off { grid-template-columns: 28px minmax(0, 1fr); }
.pr-row.is-off .pr-row__gem { filter: grayscale(1); opacity: .5; }   /* locked: greyed like the desktop card */
.pr-row.is-off .pr-row__title { color: var(--text-2); }

/* ============ Empty review rounds (tablet/desktop): one readable card ============ */
.pr-locked { min-width: 0; }
.pr-locked__head { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-2); margin-bottom: var(--sp-2); }
.pr-locked__head .icon { color: var(--text-3); }
/* Adapts to the span it is given: one column in a single grid cell, three across a full row */
.pr-locked__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); column-gap: var(--sp-6); }
.pr-locked__row { display: flex; align-items: flex-start; gap: var(--sp-3); padding: 10px 0; min-width: 0; }
.pr-locked__gem { display: inline-flex; flex-shrink: 0; filter: grayscale(1); opacity: .5; }
.pr-locked__body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.pr-locked__title { font-size: var(--fs-15); font-weight: var(--fw-semibold); color: var(--text-2); line-height: 1.3; }
.pr-locked__why { font-size: var(--fs-13); color: var(--text-2); line-height: 1.4; }

/* ============ Test yourself ============ */
.pr-test { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--pr-gap); }
.pr-test--phone { grid-template-columns: minmax(0, 1fr); }
.pr-board { grid-column: 1 / -1; display: flex; flex-direction: column; gap: var(--sp-3); min-width: 0; }
.pr-board__body { display: flex; flex-direction: column; gap: var(--sp-3); min-width: 0; }
.pr-board__size { display: grid; gap: var(--sp-2); min-width: 0; align-content: start; }
.pr-board__aside { display: flex; flex-direction: column; gap: var(--sp-2); min-width: 0; }
.pr-board__label { font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-strong); }
.pr-board__meta { font-size: var(--fs-13); font-weight: var(--fw-medium); color: var(--text-2); font-variant-numeric: tabular-nums; }
.pr-board__note {
  display: flex; align-items: flex-start; gap: var(--sp-2);
  padding: 10px var(--sp-3);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  font-size: var(--fs-13); color: var(--text-2); line-height: 1.45;
}
.pr-board__note .icon { color: var(--accent); margin-top: 1px; flex-shrink: 0; }
.pr-board__last { font-size: var(--fs-13); color: var(--text-3); font-variant-numeric: tabular-nums; }
.pr-board__cta { padding-top: var(--sp-1); }
@media (min-width: 768px) {
  /* size picker | note + last block, side by side */
  .pr-board__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: var(--sp-6); align-items: start; }
  .pr-board__aside { padding-top: 26px; align-self: stretch; justify-content: space-between; gap: var(--sp-3); }   /* aligns the note with the picker, under the "Block size" label */
  .pr-board__cta { padding-top: 0; }
}
@media (min-width: 1200px) {
  .pr-test--wide { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pr-test--wide .pr-board { grid-column: span 2; }
  .pr-test__side { display: flex; flex-direction: column; gap: var(--pr-gap); min-width: 0; }
}

/* ============ Build your own ============ */
.pr-custom { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sp-4); align-items: center; }
.pr-custom__body { min-width: 0; }
.pr-custom__title { font-size: var(--fs-17); font-weight: var(--fw-bold); letter-spacing: var(--tracking-snug); line-height: 1.3; }
.pr-custom__desc { font-size: var(--fs-13); color: var(--text-2); line-height: 1.5; margin-top: 2px; }
.pr-custom__gems { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: var(--sp-3); }
.pr-custom__gem { display: inline-flex; }
.pr-custom__more { font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--text-3); margin-left: 2px; }
.pr-custom__meta { font-size: var(--fs-13); color: var(--text-3); font-weight: var(--fw-medium); margin-top: var(--sp-2); font-variant-numeric: tabular-nums; }
@media (min-width: 768px) {
  .pr-custom { grid-template-columns: minmax(0, 1fr) auto; column-gap: var(--sp-6); }
  .pr-custom__desc { font-size: var(--fs-15); }
}

/* ============ Custom Round builder (sheet) ============ */
.pr-cb { display: flex; flex-direction: column; gap: var(--sp-6); padding-top: var(--sp-1); }
.pr-cb__field { display: flex; flex-direction: column; gap: var(--sp-2); min-width: 0; }
.pr-cb__label { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); min-height: 28px; }
.pr-cb__title { font-size: var(--fs-15); font-weight: var(--fw-semibold); letter-spacing: 0; color: var(--text-strong); line-height: 1.3; }
.pr-cb__hint { font-size: var(--fs-13); color: var(--text-3); line-height: 1.45; margin-top: -6px; }
.pr-cb__checks { display: flex; flex-direction: column; gap: 6px; padding-top: 2px; }
.pr-cb__link {
  position: relative;
  display: inline-flex; align-items: center;
  min-height: 32px; padding: 0 var(--sp-2); margin-right: calc(-1 * var(--sp-2));
  border-radius: var(--r-sm);
  font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--link);
  white-space: nowrap;
}
.pr-cb__link::after { content: ""; position: absolute; inset: -6px 0; }
.pr-cb__link:hover { background: var(--surface-hover); color: var(--link-hover); }
.pr-cb__link:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.pr-cb__note { display: flex; align-items: flex-start; gap: var(--sp-2); font-size: var(--fs-13); color: var(--text-3); line-height: 1.45; margin-top: calc(-1 * var(--sp-2)); }
.pr-cb__note .icon { color: var(--accent); margin-top: 1px; flex-shrink: 0; }
.pr-cb__more {
  display: inline-flex; align-items: center; gap: var(--sp-1); align-self: flex-start;
  min-height: 44px; padding: 0 var(--sp-2); margin-left: calc(-1 * var(--sp-2));
  border-radius: var(--r-sm);
  font-size: var(--fs-13); font-weight: var(--fw-semibold); color: var(--link);
}
.pr-cb__more:hover { background: var(--surface-hover); }
.pr-cb__more:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.pr-cb__timed { border-top: 1px solid var(--divider); margin-top: calc(-1 * var(--sp-2)); }
.pr-cb__reset { margin-top: calc(-1 * var(--sp-4)); }
.pr-cb__field > .segmented { max-width: 360px; }

.pr-check {
  display: flex; align-items: center; gap: var(--sp-3);
  width: 100%; min-height: 44px;
  padding: 10px var(--sp-3);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  text-align: left;
  font-size: var(--fs-15); color: var(--text); line-height: 1.35;
  transition: background var(--dur-1) var(--ease-out), box-shadow var(--dur-1) var(--ease-out);
}
.pr-check:hover { background: var(--surface-hover); box-shadow: inset 0 0 0 1px var(--border-hover); }
.pr-check:focus-visible { outline: none; box-shadow: inset 0 0 0 1px var(--border-hover), var(--focus-ring); }
.pr-check[aria-checked="true"] { background: var(--selected-bg); box-shadow: inset 0 0 0 1.5px var(--selected-border); }
.pr-check__box {
  display: grid; place-items: center;
  width: 20px; height: 20px; flex: 0 0 20px;
  border-radius: 6px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1.5px var(--border-control);
  color: transparent;
}
.pr-check[aria-checked="true"] .pr-check__box { background: var(--accent); box-shadow: none; color: var(--primary-fg); }
.pr-check__label { flex: 1 1 auto; min-width: 0; }
.pr-check[aria-checked="true"] .pr-check__label { font-weight: var(--fw-semibold); color: var(--text-strong); }
.pr-check__count { flex-shrink: 0; font-size: var(--fs-13); color: var(--text-3); font-variant-numeric: tabular-nums; }

.pr-cbfoot { display: flex; align-items: center; gap: var(--sp-4); width: 100%; }
.pr-cbfoot__info { flex: 1 1 auto; min-width: 0; }
.pr-cbfoot__count { display: flex; align-items: baseline; gap: 6px; font-size: var(--fs-15); color: var(--text-2); line-height: 1.25; }
.pr-cbfoot__count strong { font-size: var(--fs-20); font-weight: var(--fw-bold); color: var(--text-strong); letter-spacing: var(--tracking-snug); font-variant-numeric: tabular-nums; }
.pr-cbfoot__sub { font-size: var(--fs-13); color: var(--text-3); margin-top: 2px; line-height: 1.4; }
.pr-cbfoot__info--none .pr-cbfoot__count { align-items: center; color: var(--warning); }
.pr-cbfoot__info--none .pr-cbfoot__count strong { font-size: var(--fs-17); color: var(--warning); }
.pr-cbfoot .btn { flex: 0 0 auto; }
/* Phones: the summary sits over a full-width Start — two clean lines, no dangling "·" (R4) */
@media (max-width: 767px) {
  .pr-cbfoot { flex-direction: column; align-items: stretch; gap: var(--sp-3); }
  .pr-cbfoot .btn { width: 100%; }
}