/* =============================================================================
   Exercise tab — AI Workouts
   ============================================================================= */

/* Sub-tabs specific to exercise */
.exercise-sub-tabs {
    margin-bottom: 1.5rem;   /* consistent gap before the config card (matches card rhythm) */
}
.exercise-sub-tabs .coming-soon {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

/* Config panel */
.exercise-config {
    background: var(--nr-surface);
    border: 1px solid var(--nr-border);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Category toggle buttons */
.exercise-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.cat-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: var(--nr-bg);
    border: 1px solid var(--nr-border);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--nr-text-mute);
    cursor: pointer;
    transition: all 0.15s;
}
.cat-toggle:hover {
    border-color: var(--nr-yellow);
    color: var(--nr-text);
}
.cat-toggle.is-active {
    background: var(--nr-yellow);
    color: #1F1F1F;
    border-color: var(--nr-yellow);
}

/* Days grid */
.exercise-days-grid {
    margin-bottom: 1.25rem;
}
.exercise-days-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.exercise-days-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--nr-text);
    min-width: 80px;
}
.exercise-days {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}
.day-chip {
    width: 42px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--nr-border);
    background: var(--nr-bg);
    color: var(--nr-text-mute);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.day-chip:hover {
    border-color: var(--nr-yellow);
    color: var(--nr-text);
}
.day-chip.is-selected {
    background: var(--nr-yellow);
    color: #1F1F1F;
    border-color: var(--nr-yellow);
}

/* Fieldsets */
.exercise-fieldset {
    margin-bottom: 1rem;
    border: 0;
    padding: 0;
}
.exercise-fieldset legend {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--nr-text);
    margin-bottom: 0.5rem;
}
.exercise-select {
    display: block;
    padding: 0.55rem 0.75rem;
    font-size: 16px;            /* 16px+ stops iOS auto-zoom on focus */
    background: var(--nr-surface);
    color: var(--nr-text);
    border: 1px solid var(--nr-border);
    border-radius: 10px;
    width: 200px;
}
.exercise-note-input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--nr-border);
    border-radius: 0.5rem;
    background: var(--nr-bg);
    color: var(--nr-text);
    font: inherit;
    font-size: 16px;            /* 16px+ stops iOS auto-zoom on focus */
    line-height: 1.4;
    resize: vertical;
    min-height: 3.2rem;
}
.exercise-note-input:focus {
    outline: none;
    border-color: var(--nr-lime);
}
.exercise-note-input::placeholder {
    color: var(--nr-text-mute);
    opacity: 0.8;
}
.exercise-select:focus {
    outline: 2px solid var(--nr-yellow);
    outline-offset: 1px;
}

/* Generate button */
#exercise-generate-btn {
    margin-top: 1.25rem;
}

/* Session list */
.exercise-sessions {
    margin-top: 1.5rem;
}

/* Session card */
.exercise-session-body { padding: 1.1rem 1.1rem 0.5rem; }
.exercise-session-card {
    background: var(--nr-surface);
    border: 1px solid var(--nr-border);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
    transition: box-shadow 0.15s;
}
.exercise-session-card:hover {
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.exercise-session-card.is-completed {
    opacity: 0.7;
}
.exercise-session-card.is-completed:hover {
    opacity: 1;
}
.exercise-session-header {
    display: flex;
    flex-direction: column;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--nr-border);
    cursor: pointer;
    gap: 0.4rem;
}
.exercise-session-header:hover {
    background: var(--nr-bg);
}

/* Each row is a flex line with space-between */
.exercise-session-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.exercise-session-row--top {
    /* Category (left) + heart/X (right) */
}
.exercise-session-row--middle {
    /* Date + intensity grouped left; status badge pushed right */
    justify-content: flex-start;
    gap: 0.6rem;
    flex-wrap: nowrap;
}
.exercise-session-row--middle .exercise-session-status { margin-left: auto; }
.exercise-session-row--bottom {
    /* Body parts description */
}

/* Actions (heart + X) grouped together */
.exercise-session-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}
.exercise-session-delete {
    font-size: 1.2rem;
    color: var(--nr-text-mute);
    cursor: pointer;
}
.exercise-session-delete:hover {
    color: #E5484D;
}
.exercise-session-category {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--nr-text);
}
.exercise-session-date {
    font-size: 0.85rem;
    color: var(--nr-text-mute);
}
.exercise-session-intensity {
    text-transform: capitalize;   /* "gentle" → "Gentle" without touching the data */
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--nr-text-mute);
    background: var(--nr-bg);
    border: 1px solid var(--nr-border);
    border-radius: 999px;
    padding: 1px 8px;
}
.exercise-session-body-parts {
    color: var(--nr-text-mute);
    font-size: 0.8rem;
    font-style: italic;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.status-badge--planned {
    background: var(--nr-bg);
    color: var(--nr-text-mute);
    border: 1px solid var(--nr-border);
}
.status-badge--in_progress {
    background: var(--nr-yellow);
    color: #1F1F1F;
}
.status-badge--completed {
    background: var(--nr-lime);
    color: #1A3300;
}
.status-badge--abandoned {
    background: var(--nr-border);
    color: var(--nr-text-mute);
}

/* Empty state */
.exercise-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--nr-text-mute);
}
.exercise-empty .cs-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.5rem;
}

/* ── Exercise set row (Phase 3) ───────────────────────────────── */
.exercise-set-row {
    padding: 0.8rem 0.15rem;
    border-bottom: 1px solid var(--nr-border);
}
.exercise-set-main {
    display: flex; align-items: center; flex-wrap: wrap; gap: 0.35rem 0.35rem;
}
.exercise-set-row:last-child { border-bottom: 0; }
.exercise-set-row.is-completed { opacity: 0.5; }

.exercise-set-row.is-editing .exercise-set-input {
    border-color: var(--nr-yellow); outline: 2px solid var(--nr-yellow);
}

.exercise-set-info {
    display: flex; align-items: center; gap: 0.3rem 0.4rem; flex: 1; min-width: 0; flex-wrap: wrap;
}
.exercise-set-break { flex-basis: 100%; height: 0; margin: 0; }
.exercise-set-label { font-weight: 700; font-size: 0.95rem; color: var(--nr-text); white-space: nowrap; margin-right: 0.1rem; }
.exercise-set-input {
    width: 50px; padding: 0.3rem 0.2rem; font-size: 16px; font-weight: 600;
    background: var(--nr-surface); color: var(--nr-text);
    border: 1px solid var(--nr-border); border-radius: 6px; text-align: center;
}
.exercise-set-distance { width: 64px; }
.exercise-set-time { width: 62px; }
.exercise-set-derived {
    margin-left: 0; color: var(--nr-lime); font-weight: 600;
    font-variant-numeric: tabular-nums; font-size: 0.9rem; white-space: nowrap;
}
.exercise-set-target-hint {
    margin-left: 0.5em; color: var(--nr-text-mute); font-size: 0.78rem; white-space: nowrap;
}
.exercise-set-input:focus { outline: 2px solid var(--nr-yellow); outline-offset: 1px; }
.exercise-set-unit { font-size: 0.75rem; font-weight: 500; color: var(--nr-text); min-width: 0; }

.exercise-set-actions { display: flex; gap: 0.3rem; flex-shrink: 0; margin-left: auto; }
/* Single morphing set-action button: green ✓ to confirm, muted ✎ to edit */
.exercise-set-action {
    width: 1.95rem; height: 1.95rem; padding: 0; line-height: 1; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.05rem; border-radius: 9px; border: 0; cursor: pointer; font-weight: 600;
    background: var(--nr-lime); color: #14210b;
}
.exercise-set-action:hover { filter: brightness(1.08); }
.exercise-set-action.is-confirmed {
    background: var(--nr-bg); color: var(--nr-text-mute); border: 1px solid var(--nr-border);
    filter: none;
}
.exercise-set-action.is-confirmed:hover { border-color: var(--nr-text-mute); color: var(--nr-text); }
.exercise-set-action.is-confirmed.is-editing {
    background: var(--nr-lime); color: #14210b; border: 0;
}

/* Rest timer — deliberately subtle: a plain muted line, not a boxed widget */
.exercise-set-timer { margin-top: 0.45rem; text-align: center; }
.exercise-set-timer[hidden] { display: none; }
.exercise-timer-value {
    font-weight: 500; font-size: 0.85rem;
    font-variant-numeric: tabular-nums; color: var(--nr-text-mute);
}
.exercise-timer-value.is-running { color: var(--nr-text-mute); }
.exercise-timer-value.is-done { color: var(--nr-lime); font-weight: 600; }
.exercise-timer-label { font-size: 0.72rem; color: var(--nr-text-mute); letter-spacing: 0.02em; margin-left: 0.35rem; }
.exercise-set-burn {
    padding: 0.1rem 0.15rem 0;
    font-size: 0.72rem;
    color: var(--nr-text-mute);
    letter-spacing: 0.01em;
}
.exercise-session-burn-total {
    margin: 0.5rem 0 0.4rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--nr-text);
}

/* Exercise section / structure — colour-coded auras per phase */
.exercise-section {
    margin-bottom: 1.5rem; padding: 0.9rem 1rem;
    border-left: 3px solid var(--nr-border); border-radius: 10px;
    background: var(--nr-bg);
}
.exercise-section[data-section="warmup"] {
    border-left-color: #E5484D; background: rgba(229,72,77,0.07);
    box-shadow: inset 0 0 0 1px rgba(229,72,77,0.12), 0 0 18px rgba(229,72,77,0.07);
}
.exercise-section[data-section="working"] {
    border-left-color: #B5E000; background: rgba(181,224,0,0.07);
    box-shadow: inset 0 0 0 1px rgba(181,224,0,0.12), 0 0 18px rgba(181,224,0,0.07);
}
.exercise-section[data-section="cooldown"] {
    border-left-color: #5AB0E5; background: rgba(90,176,229,0.08);
    box-shadow: inset 0 0 0 1px rgba(90,176,229,0.12), 0 0 18px rgba(90,176,229,0.07);
}
.exercise-section-title {
    font-size: 1.05rem; font-weight: 700; color: var(--nr-text);
    margin: 0 0 0.15rem; letter-spacing: 0;
}
.exercise-section-body-parts {
    display: block; font-size: 0.8rem; color: var(--nr-text-mute);
    font-style: italic; margin-bottom: 1rem;
}
.exercise-exercise { margin-bottom: 1.75rem; }
.exercise-exercise-number {
    font-size: 0.72rem; font-weight: 600; color: var(--nr-yellow);
    text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 0.15rem;
}
.exercise-exercise-name {
    font-size: 1rem; font-weight: 600; color: var(--nr-text); margin: 0 0 0.3rem;
}
.exercise-exercise-target { font-weight: 400; color: var(--nr-text-mute); font-size: 0.85rem; }
.exercise-exercise-description {
    font-size: 0.82rem; color: var(--nr-text-mute); line-height: 1.45;
    font-style: italic; margin: 0 0 0.75rem;
}

/* Generate button — "generating…" state: spinner + non-interactive cue.
   (The button is also disabled in JS, which blocks clicks natively.) */
#exercise-generate-btn.is-generating {
    cursor: progress;
    opacity: 0.9;
}
#exercise-generate-btn.is-generating::before {
    content: "";
    display: inline-block;
    width: 0.85em;
    height: 0.85em;
    margin-right: 0.5em;
    vertical-align: -0.12em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: sf-spin 0.6s linear infinite;
}
@keyframes sf-spin { to { transform: rotate(360deg); } }

/* ── Running set rows ──────────────────────────────────────────────────────
   Run sets show a prescribed distance + target pace as text (no inputs); the
   user just ticks each rep done. */
.exercise-set-run-dist {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--nr-text);
}
.exercise-set-run-pace {
    margin-left: 0.5em;
    font-size: 0.9rem;
    color: var(--nr-text-mute);
    font-variant-numeric: tabular-nums;
}

/* Generation failure shown in-place where the workout card would appear. */
.exercise-gen-error {
    background: var(--nr-surface);
    border: 1px solid var(--nr-yellow);
    border-left: 4px solid var(--nr-yellow);
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--nr-text);
    text-align: center;
}

/* ── Completed-session recap (collapsed by default, click header to open) ── */
.exercise-session-chevron {
    position: absolute;
    bottom: 0.55rem;
    right: 0.7rem;
    z-index: 2;
    font-size: 0.8rem;
    color: var(--nr-text-mute);
    transition: transform 0.15s;
}
.exercise-session-card.is-expanded .exercise-session-chevron {
    transform: rotate(90deg);
}
.exercise-session-summary {
    padding: 0.4rem 1.1rem 1rem;
}
.exercise-summary-title {
    margin: 0.6rem 0 0.5rem;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--nr-text-mute);
}
.exercise-summary-ex {
    padding: 0.4rem 0;
    border-top: 1px solid var(--nr-border);
}
.exercise-summary-ex-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}
.exercise-summary-ex-name {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--nr-text);
}
.exercise-summary-ex-target {
    font-weight: 400;
    font-size: 0.82rem;
    color: var(--nr-text-mute);
}
.exercise-summary-ex-desc {
    margin: 0.15rem 0 0.35rem;
    font-size: 0.8rem;
    line-height: 1.35;
    color: var(--nr-text-mute);
}
.exercise-ex-heart {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--nr-text-mute);
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.15s ease, transform 0.1s ease;
}
.exercise-ex-heart:hover { transform: scale(1.2); }
.exercise-ex-heart.is-favourited {
    color: #E84393;
}
.exercise-summary-sets {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.exercise-summary-set {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.25rem 0.55rem;
    background: var(--nr-bg);
    border-radius: 8px;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
}
.exercise-summary-set-n {
    font-size: 0.72rem;
    color: var(--nr-text-mute);
}
.exercise-summary-set-v {
    color: var(--nr-text);
}

/* ── User Custom Workout: source badge + favourite heart ─────────────────── */
.source-badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    vertical-align: middle;
}
/* AI = neutral tag (mirrors .status-badge--planned); custom = lime (mirrors
   --completed) so "yours" reads positive. Tokens only → themes in dark mode. */
.source-badge--ai {
    background: var(--nr-bg);
    color: var(--nr-text-mute);
    border: 1px solid var(--nr-border);
}
.source-badge--custom {
    background: var(--nr-lime);
    color: #1A3300;            /* same dark-on-lime as .status-badge--completed */
}
.session-heart {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--nr-text-mute);
    padding: 0;
    line-height: 1;
    transition: color 0.15s ease, transform 0.1s ease;
}
.session-heart:hover { transform: scale(1.15); }
.session-heart.is-favourited { color: #E5484D; }   /* the file's shared danger red */

/* ── Phase A: duration Go-timer (▶) + armed nudge ───────────────────────── */
.exercise-go-btn {
    width: 1.95rem; height: 1.95rem; padding: 0; line-height: 1; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.95rem; border-radius: 9px; cursor: pointer; font-weight: 600;
    background: var(--nr-bg); color: var(--nr-text); border: 1px solid var(--nr-border);
}
.exercise-go-btn:hover { border-color: var(--nr-text-mute); }
.exercise-go-btn[disabled] { cursor: default; color: var(--nr-text-mute); opacity: 0.7; }
@keyframes sf-armed-pulse {
    0%, 100% { filter: brightness(1); }
    50%      { filter: brightness(1.25); }
}
.exercise-set-action.is-armed { animation: sf-armed-pulse 1.1s ease-in-out infinite; }
.exercise-set-action.is-confirmed.is-armed { animation: none; }

/* ── Phase B: per-set note (💬) ──────────────────────────────────────────── */
.exercise-note-btn {
    width: 1.95rem; height: 1.95rem; padding: 0; line-height: 1; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.95rem; border-radius: 9px; cursor: pointer;
    background: var(--nr-bg); color: var(--nr-text-mute); border: 1px solid var(--nr-border);
}
.exercise-note-btn:hover { border-color: var(--nr-text-mute); }
.exercise-note-btn.has-note { background: var(--nr-lime); color: #14210b; border: 0; }
.exercise-note-editor { padding: 0.35rem 0.9rem 0.6rem; }
.exercise-note-editor textarea {
    width: 100%; box-sizing: border-box; resize: vertical; min-height: 3.4rem;
    font: inherit; font-size: 0.85rem; padding: 0.5rem 0.6rem;
    background: var(--nr-bg); color: var(--nr-text);
    border: 1px solid var(--nr-border); border-radius: 9px;
}
.exercise-note-editor textarea:focus { outline: none; border-color: var(--nr-lime); }
.exercise-note-saved {
    display: inline-block; margin-left: 0.3rem; font-size: 0.7rem;
    color: var(--nr-lime); opacity: 0; transition: opacity 0.25s ease;
    pointer-events: none; vertical-align: middle;
}
.exercise-note-saved.show { opacity: 1; }

/* ── Phase D: compact workout mode ──────────────────────────────────────── */
/* Hide everything except the current section/exercise/rows; peek reveals the
   next exercise. Rows are hidden, never removed — timers keep ticking. */
.is-compact .exercise-section { display: none; }
.is-compact .exercise-section.is-current-sec { display: block; }
.is-compact.is-peeking .exercise-section.is-next-sec { display: block; }
.is-compact .exercise-exercise { display: none; }
.is-compact .exercise-exercise.is-current-ex { display: block; }
.is-compact.is-peeking .exercise-exercise.is-next-ex { display: block; }
.is-compact .exercise-exercise.is-current-ex .exercise-set-row { display: none; }
.is-compact .exercise-exercise.is-current-ex .exercise-set-row.is-current,
.is-compact .exercise-exercise.is-current-ex .exercise-set-row.has-live-timer { display: block; }
.is-compact.is-peeking .exercise-exercise.is-next-ex .exercise-set-row { display: block; }

.exercise-upnext-eyebrow { display: none; }
.is-compact .exercise-upnext-eyebrow {
    display: block; margin-top: 0.6rem; font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.03em; color: var(--nr-text-mute);
}

.exercise-compact-controls { display: flex; gap: 0.6rem; margin: 0.9rem 0 0.6rem; }
.exercise-compact-controls .btn-secondary { flex: 1; font-size: 0.85rem; padding: 0.5rem 0.6rem; }

/* ── Phase E: analysis body map ─────────────────────────────────────────── */
.analysis-bodies { display: flex; gap: 1rem; justify-content: center; }
.analysis-figure { margin: 0; flex: 1; max-width: 200px; }
.analysis-figure figcaption {
    text-align: center; font-size: 0.8rem; color: var(--nr-text-mute); margin-top: 0.3rem;
}
.body-map { width: 100%; height: auto; display: block; }
.body-silhouette circle, .body-silhouette rect { fill: var(--nr-border); opacity: 0.45; }
.body-map [data-muscle] { cursor: pointer; transition: fill 0.3s; stroke: transparent; stroke-width: 2; fill: #B9BDC4; }
.body-map .m-fresh  { fill: #4CAF50; }
.body-map .m-recent { fill: #9CCC65; }
.body-map .m-stale  { fill: #FFB74D; }
.body-map .m-cold   { fill: #B9BDC4; }
[data-theme="dark"] .body-map .m-cold { fill: #4a4f57; }
.body-map .is-selected { stroke: var(--nr-yellow); }
.analysis-legend {
    text-align: center; font-size: 0.78rem; color: var(--nr-text-mute); margin: 0.6rem 0 0.4rem;
}
.analysis-detail {
    text-align: center; font-size: 0.9rem; font-weight: 600; min-height: 1.4em;
    margin-bottom: 0.8rem; color: var(--nr-text);
}
.analysis-empty { text-align: center; font-size: 0.85rem; color: var(--nr-text-mute); }
@media (max-width: 420px) { .analysis-bodies { gap: 0.5rem; } }

/* ── Phase H: create dialog — AI option row + ⓘ privacy note ────────────── */
.uw-ai-row { display: flex; align-items: center; gap: 0.5rem; }
.uw-ai-row .uw-glow-btn { flex: 1; }
.uw-info-btn {
    width: 1.7rem; height: 1.7rem; flex-shrink: 0; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; border: 1px solid var(--nr-border);
    background: var(--nr-bg); color: var(--nr-text-mute);
    font: italic 700 0.85rem Georgia, serif; cursor: pointer;
}
.uw-info-btn:hover, .uw-info-btn[aria-expanded="true"] {
    border-color: var(--nr-yellow); color: var(--nr-text);
}
.uw-ai-info {
    margin: 0.15rem 0 0.25rem; font-size: 0.8rem; line-height: 1.45;
    color: var(--nr-text-mute);
}

/* ── "Set" column header (Tom, July 2026) ────────────────────────
   Rows show just the set number ("2:") so they stay on one line on
   narrow phones; the word appears once, as a header above the rows. */
.exercise-sets-header {
    margin: 0.6rem 0 0; padding: 0 0.15rem 0.3rem;
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--nr-text-mute);
    border-bottom: 1px solid var(--nr-border);
}