/* =====================================================================
   RAGNAROK — COMPONENTS
   ===================================================================== */

/* ---- App shell ---- */
.rk-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--rk-bg);
}

/* ---- Top navbar (charcoal, sticky) ---- */
.rk-nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: #0A0A0A;
  color: #F1EFE9;
  border-bottom: 1px solid #000;
  display: flex; align-items: center;
  padding: 0 var(--sp-4);
}
.rk-nav__inner {
  width: 100%; max-width: var(--container);
  margin: 0 auto;
  display: flex; align-items: center; gap: var(--sp-5);
  height: 100%;
}
.rk-brand {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--rk-font-display); font-weight: 800; font-size: 1.0625rem;
  color: #F1EFE9; letter-spacing: 0.02em; text-transform: uppercase;
  white-space: nowrap;
}
.rk-brand__mark {
  width: 22px; height: 22px; border-radius: var(--rad-sm);
  background: var(--rk-primary);
  display: inline-flex; align-items: center; justify-content: center;
  color:#fff; font-weight: 800; font-size: 13px; font-family: var(--rk-font-display);
}
.rk-brand__sub { color: #8A8579; font-weight: 500; font-size: 0.78rem; letter-spacing: 0.04em; }
.rk-nav__links { display: flex; gap: var(--sp-1); margin-left: var(--sp-4); }
.rk-nav__link {
  color: #C9C5BB; padding: 8px 12px; border-radius: var(--rad-sm);
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  display:inline-flex; align-items:center; gap:6px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  font-family: var(--rk-font-display);
}
.rk-nav__link:hover { color:#F1EFE9; background: rgba(255,255,255,.05); }
.rk-nav__link.active { color:#F1EFE9; background: transparent; border-bottom-color: var(--rk-primary); border-radius: 0; }
.rk-nav__spacer { flex: 1; }
.rk-nav__user {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  color: #8A8579; font-size: 13px;
}
.rk-nav__user strong { color: #F1EFE9; font-weight: 600; }
.rk-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--rk-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; letter-spacing: 0.02em;
  font-family: var(--rk-font-display);
}

/* Mobile hamburger */
.rk-nav__burger {
  display: none; width: 36px; height: 36px; border-radius: 8px;
  background: transparent; border: 1px solid rgba(255,255,255,.12);
  color: #F1EFE9; align-items:center; justify-content:center;
}
@media (max-width: 768px) {
  .rk-nav__links, .rk-nav__user .label { display: none; }
  .rk-nav__burger { display: inline-flex; }
}

/* ---- Page container ---- */
.rk-page {
  flex: 1;
  width: 100%; max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-4) var(--sp-7);
}
@media (min-width: 768px) { .rk-page { padding: var(--sp-6) var(--sp-5) var(--sp-8); } }

.rk-page__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4); margin-bottom: var(--sp-5); flex-wrap: wrap; }
.rk-page__title { font-size: var(--fs-display); font-weight: 800; line-height: 1; letter-spacing: 0.01em; text-transform: uppercase; }
.rk-page__sub { color: var(--rk-muted); margin-top: 6px; font-size: var(--fs-body); }
.rk-page__actions { display: inline-flex; gap: var(--sp-2); flex-wrap: wrap; }

/* Breadcrumb */
.rk-crumb { display: inline-flex; align-items:center; gap: 6px; color: var(--rk-muted); font-size: var(--fs-sm); margin-bottom: var(--sp-3); }
.rk-crumb a { color: var(--rk-muted); }
.rk-crumb a:hover { color: var(--rk-primary); }
.rk-crumb .sep { color: var(--rk-muted-2); }
.rk-crumb .current { color: var(--rk-ink); }

/* ---- Card ---- */
.rk-card {
  background: var(--rk-bg-elev);
  border: 1px solid var(--rk-border);
  border-radius: var(--rad-lg);
  box-shadow: var(--sh-1);
}
.rk-card__body { padding: var(--sp-5); }
.rk-card__head {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--rk-border);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
}
.rk-card__title { font-size: var(--fs-h4); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.rk-card--accent {
  border-color: var(--rk-primary);
  box-shadow: 0 0 0 3px var(--rk-primary-soft);
}
.rk-card--ghost {
  background: transparent; border-style: dashed; box-shadow: none;
}
@media (max-width: 576px) {
  .rk-card__body { padding: var(--sp-4); }
  .rk-card__head { padding: var(--sp-3) var(--sp-4); }
}

/* ---- KPI tile ---- */
.rk-kpi {
  background: var(--rk-bg-elev);
  border: 1px solid var(--rk-border);
  border-radius: var(--rad-lg);
  padding: var(--sp-4);
  display: flex; flex-direction: column; gap: 6px;
  box-shadow: var(--sh-1);
  position: relative;
  overflow: hidden;
}
.rk-kpi__label { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--rk-muted); font-weight: 600; }
.rk-kpi__value { font-family: var(--rk-font-mono); font-size: 1.875rem; font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
.rk-kpi__unit { font-size: 0.875rem; color: var(--rk-muted); margin-left: 4px; font-family: var(--rk-font-body); font-weight: 400; }
.rk-kpi__delta { font-size: var(--fs-sm); display:inline-flex; align-items:center; gap:4px; }
.rk-kpi__delta.up    { color: var(--rk-success); }
.rk-kpi__delta.down  { color: var(--rk-danger); }
.rk-kpi__delta.flat  { color: var(--rk-muted); }
.rk-kpi--accent { background: var(--rk-ink); color: #F1EFE9; border-color: var(--rk-ink); }
.rk-kpi--accent .rk-kpi__label { color: #8A8579; }
.rk-kpi--accent .rk-kpi__unit { color: #8A8579; }

/* ---- Buttons (extend Bootstrap) — REZERVACE-style: display font, uppercase ---- */
.btn { font-family: var(--rk-font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; border-radius: var(--rad-md); padding: 10px 18px; font-size: var(--fs-sm); line-height: 1.2; transition: background .12s, color .12s, transform .04s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--rk-ink); color: #F1EFE9; border: 1px solid var(--rk-ink); }
.btn-primary:hover, .btn-primary:focus { background: #1F1D1A; color: #F1EFE9; border-color: #1F1D1A; }
.btn-accent { background: var(--rk-primary); color: var(--rk-primary-ink); border: 1px solid var(--rk-primary); }
.btn-accent:hover { background: var(--rk-primary-hover); border-color: var(--rk-primary-hover); color: #fff; }
.btn-outline { background: transparent; color: var(--rk-ink); border: 1px solid var(--rk-border-strong); }
.btn-outline:hover { background: var(--rk-surface-2); border-color: var(--rk-ink); color: var(--rk-ink); }
.btn-ghost { background: transparent; color: var(--rk-ink); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--rk-surface-2); color: var(--rk-ink); }
.btn-danger-outline { background: transparent; color: var(--rk-danger); border: 1px solid var(--rk-danger); }
.btn-danger-outline:hover { background: var(--rk-danger); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: var(--fs-sm); border-radius: var(--rad-sm); }
.btn-lg { padding: 12px 20px; font-size: var(--fs-h4); }
.btn-block { width: 100%; }
.btn-icon { display: inline-flex; align-items: center; gap: 6px; }
.btn-icon svg { width: 16px; height: 16px; }

/* ---- Forms (extend Bootstrap) ---- */
.rk-field { display: flex; flex-direction: column; gap: 6px; }
.rk-label { font-size: var(--fs-sm); font-weight: 500; color: var(--rk-ink-2); display: flex; align-items: center; gap: 4px; }
.rk-label .req { color: var(--rk-primary); }
.rk-help { font-size: var(--fs-xs); color: var(--rk-muted); }
.form-control, .form-select {
  background: var(--rk-bg-elev); color: var(--rk-ink);
  border: 1px solid var(--rk-border); border-radius: var(--rad-md);
  padding: 10px 12px; font-size: var(--fs-body);
  transition: border-color .12s, box-shadow .12s, background .12s;
  font-family: var(--rk-font-body);
}
.form-control::placeholder { color: var(--rk-muted-2); }
.form-control:focus, .form-select:focus {
  background: var(--rk-bg-elev); color: var(--rk-ink);
  border-color: var(--rk-ink);
  box-shadow: 0 0 0 3px var(--rk-surface-2);
  outline: none;
}
html[data-theme="dark"] .form-control:focus, html[data-theme="dark"] .form-select:focus {
  border-color: var(--rk-primary);
  box-shadow: 0 0 0 3px var(--rk-primary-soft);
}
.form-control.num, input[type="number"].form-control { font-family: var(--rk-font-mono); }

/* Toggle pills (tags) */
.rk-pill-check { display: inline-flex; }
.rk-pill-check input { position: absolute; opacity: 0; pointer-events: none; }
.rk-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: var(--rad-pill);
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border);
  font-size: var(--fs-sm); font-weight: 500; color: var(--rk-ink-2);
  cursor: pointer; user-select: none;
  transition: all .12s;
}
.rk-pill:hover { border-color: var(--rk-border-strong); }
.rk-pill-check input:checked + .rk-pill {
  background: var(--rk-ink); color: #F1EFE9; border-color: var(--rk-ink);
}

/* Segmented control */
.rk-segmented {
  display: inline-flex; padding: 3px;
  background: var(--rk-surface-2); border-radius: var(--rad-md);
  gap: 2px;
}
.rk-segmented__btn {
  border: 0; background: transparent;
  padding: 6px 12px; font-size: var(--fs-sm); font-weight: 500;
  border-radius: var(--rad-sm); color: var(--rk-muted);
  cursor: pointer;
}
.rk-segmented__btn:hover { color: var(--rk-ink); }
.rk-segmented__btn.active {
  background: var(--rk-bg-elev); color: var(--rk-ink);
  box-shadow: var(--sh-1);
}

/* ---- Badges / tags ---- */
.rk-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: var(--rad-sm);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.02em;
  background: var(--rk-surface-2); color: var(--rk-ink-2);
  font-family: var(--rk-font-body);
}
.rk-badge.num { font-family: var(--rk-font-mono); padding: 2px 7px; }
.rk-badge--success { background: var(--rk-success-soft); color: var(--rk-success); }
.rk-badge--warning { background: var(--rk-warning-soft); color: var(--rk-warning); }
.rk-badge--danger  { background: var(--rk-danger-soft);  color: var(--rk-danger); }
.rk-badge--info    { background: var(--rk-info-soft);    color: var(--rk-info); }
.rk-badge--solid   { background: var(--rk-ink); color: #F1EFE9; }
.rk-badge--accent  { background: var(--rk-primary); color: var(--rk-primary-ink); }

/* Tag chips (modality) — semantic colors */
.rk-tag { display:inline-flex; padding: 3px 9px; border-radius: var(--rad-sm); font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.rk-tag--strength      { background: var(--tag-strength-bg);      color: var(--tag-strength); }
.rk-tag--cardio        { background: var(--tag-cardio-bg);        color: var(--tag-cardio); }
.rk-tag--mobility      { background: var(--tag-mobility-bg);      color: var(--tag-mobility); }
.rk-tag--kettlebell    { background: var(--tag-kettlebell-bg);    color: var(--tag-kettlebell); }
.rk-tag--conditioning  { background: var(--tag-conditioning-bg);  color: var(--tag-conditioning); }
.rk-tag--bodyweight    { background: var(--tag-bodyweight-bg);    color: var(--tag-bodyweight); }
.rk-tag--os-resets     { background: var(--tag-os-resets-bg);     color: var(--tag-os-resets); }

/* RPE meter */
.rk-rpe {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--rk-font-mono); font-size: var(--fs-sm); font-weight: 600;
}
.rk-rpe__bar { width: 56px; height: 6px; border-radius: 999px; background: var(--rk-surface-2); position: relative; overflow:hidden; }
.rk-rpe__bar::after { content:""; position: absolute; inset: 0; width: calc(var(--rpe, 5) * 10%); background: linear-gradient(90deg, #4CAF50 0%, #FFC107 50%, #9F371B 80%, #B91C1C 100%); border-radius: 999px; }

/* ---- Workout card ---- */
.rk-workout {
  display: grid; grid-template-columns: 72px 1fr auto; gap: var(--sp-4);
  align-items: stretch;
  background: var(--rk-bg-elev);
  border: 1px solid var(--rk-border);
  border-radius: var(--rad-lg);
  padding: var(--sp-4);
  box-shadow: var(--sh-1);
  transition: transform .08s, box-shadow .12s, border-color .12s;
  cursor: pointer;
}
.rk-workout:hover { box-shadow: var(--sh-2); border-color: var(--rk-border-strong); }
.rk-workout__date {
  background: var(--rk-ink); color: #F1EFE9;
  border-radius: var(--rad-md);
  padding: 8px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--rk-font-display);
  min-height: 72px;
}
.rk-workout__date .day { font-size: 1.5rem; font-weight: 700; line-height: 1; font-family: var(--rk-font-mono); }
.rk-workout__date .mon { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: #8A8579; margin-top: 4px; }
.rk-workout__main { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.rk-workout__title { font-family: var(--rk-font-display); font-weight: 600; font-size: var(--fs-h4); }
.rk-workout__meta { color: var(--rk-muted); font-size: var(--fs-sm); display: flex; flex-wrap: wrap; gap: 12px; }
.rk-workout__meta b { color: var(--rk-ink); font-weight: 600; }
.rk-workout__tags { display: flex; flex-wrap: wrap; gap: 4px; }
.rk-workout__aside { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; gap: 8px; }
@media (max-width: 576px) {
  .rk-workout { grid-template-columns: 60px 1fr; }
  .rk-workout__aside { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: flex-start; }
}

/* ---- Exercise card (in detail / form) ---- */
.rk-ex {
  background: var(--rk-bg-elev);
  border: 1px solid var(--rk-border);
  border-radius: var(--rad-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
}
.rk-ex__head {
  padding: var(--sp-4) var(--sp-5);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  border-bottom: 1px solid var(--rk-border);
  background: var(--rk-bg-elev);
  flex-wrap: wrap;
}
.rk-ex__num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--rk-surface-2); color: var(--rk-ink);
  display: inline-flex; align-items:center; justify-content:center;
  font-family: var(--rk-font-mono); font-weight: 700; font-size: 13px;
}
.rk-ex__title { display:flex; align-items:center; gap: 12px; font-family: var(--rk-font-display); font-weight: 600; font-size: var(--fs-h3); }
.rk-ex__tags { display: flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 8px var(--sp-5); border-bottom: 1px solid var(--rk-line-faint); }
.rk-ex__body { padding: var(--sp-4) var(--sp-5); }
.rk-ex__banner {
  margin: 0 var(--sp-5) var(--sp-4);
  background: var(--rk-info-soft); border: 1px solid color-mix(in oklch, var(--rk-info) 30%, transparent);
  border-radius: var(--rad-md);
  padding: 10px 14px;
  color: var(--rk-info); font-size: var(--fs-sm); font-weight: 500;
  display: flex; align-items: center; gap: 10px;
}
.rk-ex__banner b { color: var(--rk-info); }

/* Series table */
.rk-series {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  font-size: var(--fs-sm);
}
.rk-series th {
  text-align: left; padding: 8px 12px;
  font-weight: 600; font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--rk-muted);
  border-bottom: 1px solid var(--rk-border);
}
.rk-series td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rk-line-faint);
}
.rk-series tr:last-child td { border-bottom: 0; }
.rk-series td.num, .rk-series td:nth-child(1), .rk-series td:nth-child(2), .rk-series td:nth-child(3), .rk-series td:nth-child(4) {
  font-family: var(--rk-font-mono); font-weight: 500;
}
.rk-series td:nth-child(5) { font-family: var(--rk-font-body); color: var(--rk-muted); }
.rk-series .row-num { color: var(--rk-muted); width: 32px; text-align: center; }

/* Empty state */
.rk-empty { text-align: center; padding: var(--sp-7); color: var(--rk-muted); }
.rk-empty h3 { color: var(--rk-ink); margin-bottom: 8px; }

/* Filter pills strip */
.rk-filters { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: var(--sp-4); }
.rk-filter-pill {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 7px 12px; border-radius: var(--rad-pill);
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border);
  font-size: var(--fs-sm); font-weight: 500; color: var(--rk-ink-2);
  cursor: pointer;
}
.rk-filter-pill:hover { border-color: var(--rk-border-strong); }
.rk-filter-pill.active { background: var(--rk-ink); color: #F1EFE9; border-color: var(--rk-ink); }
.rk-filter-pill .count { font-family: var(--rk-font-mono); color: var(--rk-muted); font-size: 11px; }
.rk-filter-pill.active .count { color: #C9C5BB; }

/* Section heading */
.rk-section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: var(--sp-6) 0 var(--sp-3);
  gap: var(--sp-3);
}
.rk-section-head:first-child { margin-top: 0; }
.rk-section-head h2 { font-size: var(--fs-h2); text-transform: uppercase; letter-spacing: 0.02em; font-weight: 800; }
.rk-section-head .meta { color: var(--rk-muted); font-size: var(--fs-sm); }

/* Stat row helper */
.rk-stats-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
@media (min-width: 576px) { .rk-stats-row { grid-template-columns: repeat(4, 1fr); } }

/* Searchable user manual */
.rk-manual-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-2);
  max-width: 720px;
}
.rk-manual-search__wrap { position: relative; }
.rk-manual-search__input { padding-right: 42px; }
.rk-manual-search__clear {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: var(--rad-sm);
  background: transparent;
  color: var(--rk-muted);
  font-size: 20px;
  line-height: 1;
}
.rk-manual-search__clear:hover { background: var(--rk-surface-2); color: var(--rk-ink); }
.rk-manual-list {
  margin-top: var(--sp-4);
  border-top: 1px solid var(--rk-border);
}
.rk-manual-section { border-bottom: 1px solid var(--rk-border); }
.rk-manual-section[hidden] { display: none; }
.rk-manual-section > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  cursor: pointer;
  color: var(--rk-ink);
  font-family: var(--rk-font-display);
  font-size: var(--fs-h4);
  font-weight: 700;
}
.rk-manual-section > summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--rk-muted);
  font-family: var(--rk-font-mono);
  font-size: 20px;
}
.rk-manual-section[open] > summary::after { content: "−"; }
.rk-manual-section__body {
  max-width: 900px;
  padding: 0 0 var(--sp-4);
  color: var(--rk-ink-2);
  line-height: 1.65;
}
.rk-manual-section__body p { margin: 0 0 var(--sp-3); }
.rk-manual-section__body ul { margin: 0; padding-left: 20px; }
.rk-manual-section__body li + li { margin-top: 6px; }
.rk-manual-empty { margin-top: var(--sp-4); padding: var(--sp-4); }
@media (max-width: 576px) {
  .rk-manual-search { grid-template-columns: minmax(0, 1fr); }
  .rk-manual-section > summary { font-size: var(--fs-body); }
}

/* Week strip */
.rk-week {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px;
}
.rk-week__day {
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border);
  border-radius: var(--rad-md);
  padding: 10px 6px;
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--rk-muted);
  display:flex; flex-direction: column; gap: 4px; align-items:center; justify-content:center;
  min-height: 64px;
}
.rk-week__day .d { font-family: var(--rk-font-mono); font-size: 1.125rem; font-weight: 600; color: var(--rk-ink); line-height: 1; }
.rk-week__day .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--rk-border-strong); }
.rk-week__day.trained .dot { background: var(--rk-primary); }
.rk-week__day.trained { border-color: var(--rk-primary); background: var(--rk-primary-soft); }
.rk-week__day.today { outline: 2px solid var(--rk-ink); outline-offset: -1px; }
.rk-week__day.rest .dot { background: var(--rk-muted-2); }

/* Footer */
.rk-footer { text-align: center; padding: var(--sp-5); color: var(--rk-muted); font-size: var(--fs-xs); border-top: 1px solid var(--rk-border); margin-top: var(--sp-6); }

/* Utility */
.rk-stack { display: flex; flex-direction: column; }
.rk-stack-2 > * + * { margin-top: var(--sp-2); }
.rk-stack-3 > * + * { margin-top: var(--sp-3); }
.rk-stack-4 > * + * { margin-top: var(--sp-4); }
.rk-stack-5 > * + * { margin-top: var(--sp-5); }
.rk-row { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.rk-grid { display: grid; gap: var(--sp-4); }
.text-muted { color: var(--rk-muted) !important; }
.text-num { font-family: var(--rk-font-mono); }

/* Floating screen-switcher (prototype-only chrome) */
.proto-bar {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: rgba(10,10,10,.92); color: #F1EFE9;
  backdrop-filter: blur(10px);
  border-radius: 999px; padding: 6px;
  display: inline-flex; gap: 2px; z-index: 100;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
  max-width: calc(100vw - 32px); overflow-x: auto;
}
.proto-bar__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; color: #C9C5BB; cursor: pointer;
  background: transparent; border: 0; white-space: nowrap;
  font-family: var(--rk-font-body);
}
.proto-bar__btn:hover { color: #F1EFE9; }
.proto-bar__btn.active { background: var(--rk-primary); color: #fff; }

/* Token docs */
.token-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.token-swatch {
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border);
  border-radius: var(--rad-md); overflow: hidden;
}
.token-swatch__color { height: 64px; }
.token-swatch__body { padding: 10px 12px; }
.token-swatch__name { font-family: var(--rk-font-mono); font-size: 12px; font-weight: 600; }
.token-swatch__meta { font-family: var(--rk-font-mono); font-size: 11px; color: var(--rk-muted); }
.token-row { padding: var(--sp-3) 0; border-bottom: 1px dashed var(--rk-border); display: grid; grid-template-columns: 220px 1fr; gap: var(--sp-3); align-items: center; }
.token-row:last-child { border-bottom: 0; }
.token-row__key { font-family: var(--rk-font-mono); font-size: 12px; color: var(--rk-muted); }
.token-row__val { font-family: var(--rk-font-mono); font-size: 13px; }

.code-snippet {
  background: #0E1116; color: #E3E0D8;
  border-radius: var(--rad-md);
  padding: var(--sp-4);
  font-family: var(--rk-font-mono); font-size: 12px; line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}
.code-snippet .tag { color: #FF8A65; }
.code-snippet .attr { color: #D7BA7D; }
.code-snippet .str { color: #B5D6B0; }
.code-snippet .com { color: #6E6A62; font-style: italic; }

/* Login layout */
.rk-auth {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-5) var(--sp-4);
  background:
    radial-gradient(circle at 50% 0%, var(--rk-primary-soft) 0%, transparent 45%),
    var(--rk-bg);
}
.rk-auth__card { width: 100%; max-width: 420px; }
.rk-auth__brand {
  text-align: center; margin-bottom: var(--sp-5);
  font-family: var(--rk-font-display); font-weight: 700; font-size: 1.75rem; line-height: 1;
  letter-spacing: -0.02em;
}
.rk-auth__brand .sub { display: block; font-size: 0.875rem; font-weight: 400; color: var(--rk-muted); margin-top: 6px; letter-spacing: 0; }

/* Chart card */
.rk-chart {
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border); border-radius: var(--rad-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-1);
}
.rk-chart h3 { font-size: var(--fs-h4); margin-bottom: var(--sp-4); }
.rk-chart__wrap { position: relative; height: 220px; }

/* Period selector compound */
.rk-period {
  display: flex; align-items: end; gap: var(--sp-3); flex-wrap: wrap;
  background: var(--rk-bg-elev); border: 1px solid var(--rk-border);
  border-radius: var(--rad-lg); padding: var(--sp-4);
  box-shadow: var(--sh-1);
}

/* Type ramp display block */
.type-row { display: grid; grid-template-columns: 120px 1fr; padding: var(--sp-3) 0; border-bottom: 1px dashed var(--rk-border); align-items: baseline; gap: var(--sp-3); }
.type-row__label { font-family: var(--rk-font-mono); font-size: 12px; color: var(--rk-muted); }

/* Mobile floating action */
.rk-fab {
  display: none;
  position: fixed; right: 20px; bottom: 80px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--rk-primary); color: #fff; border: 0;
  box-shadow: 0 8px 20px rgba(159,55,27,.35);
  align-items:center; justify-content:center; font-size: 24px; font-weight: 700;
  font-family: var(--rk-font-display);
}
@media (max-width: 576px) { .rk-fab { display: inline-flex; } }

/* kolo 10: tag zaškrtnutý u tréninku, ale nepoužitý u žádného konkrétního cviku.
   Nejde o chybu — uložit lze, jen se to zvýrazní a uživatel dostane upozornění. */
.training-tags .form-check-inline.tag-unused {
  border: 2px solid var(--rk-danger);
  border-radius: 999px;
  padding: 2px 10px 2px 6px;
  background: var(--rk-danger-soft);
}
.rk-period--sticky {
  position: sticky;
  top: calc(var(--nav-h) + 8px);
  z-index: 30;
}

/* Shared usability helpers */
.rk-table-scroll {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--rad-lg);
  scrollbar-gutter: stable;
}
.rk-table-scroll:focus-visible { outline: 3px solid var(--rk-primary-soft); outline-offset: 2px; }
.rk-table-scroll > .rk-table { min-width: 680px; }

.rk-searchable-select__input { display: block; margin-bottom: 6px; background-image: none; }
.rk-searchable-select__select { min-width: 0; }
.rk-tag-filter {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.rk-tag-filter .form-control { max-width: 260px; }
.rk-tag-filter .text-muted { flex: 0 0 auto; font-size: var(--fs-xs); }

.rk-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(4, minmax(150px, 1fr));
  gap: var(--sp-2);
  align-items: end;
  margin-bottom: var(--sp-3);
}
.rk-toolbar__status { color: var(--rk-muted); font-size: var(--fs-sm); margin-bottom: var(--sp-3); }

.rk-anchor-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 5px;
  margin-bottom: var(--sp-4);
  scrollbar-width: thin;
}
.rk-anchor-nav a,
.rk-anchor-nav button { flex: 0 0 auto; white-space: nowrap; }

.rk-disclosure {
  border: 1px solid var(--rk-border);
  border-radius: var(--rad-md);
  background: var(--rk-surface-2);
}
.rk-disclosure > summary {
  cursor: pointer;
  list-style: none;
  padding: var(--sp-3) var(--sp-4);
  font-weight: 650;
}
.rk-disclosure > summary::-webkit-details-marker { display: none; }
.rk-disclosure > summary::after { content: '+'; float: right; color: var(--rk-primary); font-size: 1.2rem; }
.rk-disclosure[open] > summary::after { content: '−'; }
.rk-disclosure__body { padding: 0 var(--sp-4) var(--sp-4); }

.rk-form-actions--sticky {
  position: sticky;
  bottom: 0;
  z-index: 35;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding: var(--sp-3) 0;
  background: color-mix(in srgb, var(--rk-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--rk-border);
}
.rk-form-actions__status { margin-left: auto; color: var(--rk-muted); font-size: var(--fs-sm); }

.rk-undo-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  max-width: calc(100vw - 32px);
  padding: 10px 14px;
  color: #f1efe9;
  background: #161616;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--rad-md);
  box-shadow: var(--sh-3);
}
.rk-undo-toast button { color: #ff9b76; }

[role="link"][onclick] { cursor: pointer; }
[role="link"][onclick]:focus-visible { outline: 3px solid var(--rk-primary-soft); outline-offset: 3px; }

@media (max-width: 1100px) and (min-width: 768px) {
  .rk-nav__links.d-md-flex,
  .rk-theme-toggle.d-md-inline-flex,
  .rk-nav__user.d-md-flex { display: none !important; }
  .rk-nav__burger.d-md-none { display: inline-flex !important; }
}
@media (max-width: 900px) {
  .rk-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rk-toolbar > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 576px) {
  .rk-ex__banner { flex-wrap: wrap; }
  .rk-toolbar { grid-template-columns: minmax(0, 1fr); }
  .rk-toolbar > :first-child { grid-column: auto; }
  .rk-form-actions__status { width: 100%; margin-left: 0; }
  .rk-undo-toast { bottom: 12px; }
  .rk-period--sticky { position: static; }
}