:root {
  --ui-page-bg: linear-gradient(180deg, #f5f7fb 0%, #edf2f7 100%);
  --ui-page-accent-start: rgba(30, 64, 175, 0.08);
  --ui-page-accent-end: rgba(13, 148, 136, 0.10);
  --ui-page-text: #10233b;

  --ui-brand-accent: #2563eb;
  --ui-brand-accent-soft: rgba(30, 64, 175, 0.04);
  --ui-brand-accent-faint: rgba(30, 64, 175, 0.02);
  --ui-brand-success: #0f766e;
  --ui-brand-success-soft: rgba(13, 148, 136, 0.10);
  --ui-brand-success-faint: rgba(15, 118, 110, 0.06);
  --ui-brand-success-text-strong: #166534;

  --ui-text-strong: #0f172a;
  --ui-text-default: #1e293b;
  --ui-text-body: #475569;
  --ui-text-muted: #64748b;
  --ui-text-inverse: #f8fafc;
  --ui-text-on-dark: #e2e8f0;

  --ui-radius-sm: 1rem;
  --ui-radius-md: 1.35rem;
  --ui-radius-lg: 1.5rem;

  --ui-card-radius: 1rem;
  --ui-card-radius-soft: 1.15rem;
  --ui-card-radius-panel: 1.25rem;
  --ui-card-padding: 0.95rem 1rem;
  --ui-card-padding-compact: 0.85rem 0.95rem;
  --ui-card-padding-relaxed: 1rem 1.05rem;
  --ui-card-padding-panel: 1.1rem 1.15rem 1.2rem;

  --ui-border-color-soft: rgba(148, 163, 184, 0.22);
  --ui-border-color-strong: rgba(148, 163, 184, 0.28);
  --ui-border-color-emphasis: rgba(148, 163, 184, 0.35);
  --ui-divider-color: rgba(226, 232, 240, 0.85);

  --ui-border-soft: 1px solid var(--ui-border-color-soft);
  --ui-border-strong: 1px solid var(--ui-border-color-strong);

  --ui-bg-panel: rgba(255, 255, 255, 0.96);
  --ui-bg-panel-strong: rgba(255, 255, 255, 0.98);
  --ui-bg-panel-soft: rgba(255, 255, 255, 0.88);
  --ui-bg-input: rgba(248, 250, 252, 0.96);
  --ui-bg-chip-soft: rgba(248, 250, 252, 0.9);
  --ui-bg-kpi-soft: rgba(255, 255, 255, 0.86);
  --ui-bg-tag-soft: rgba(226, 232, 240, 0.65);
  --ui-bg-card-soft: rgba(255, 255, 255, 0.88);
  --ui-bg-card-soft-alt: rgba(255, 255, 255, 0.8);
  --ui-bg-card-muted: rgba(248, 250, 252, 0.74);
  --ui-bg-card-muted-strong: rgba(248, 250, 252, 0.78);
  --ui-bg-card-muted-soft: rgba(248, 250, 252, 0.7);
  --ui-bg-card-muted-faint: rgba(248, 250, 252, 0.68);
  --ui-bg-overlay-soft: rgba(255, 255, 255, 0.72);
  --ui-bg-subtle: rgba(248, 250, 252, 0.92);
  --ui-bg-subtle-soft: rgba(248, 250, 252, 0.88);
  --ui-bg-subtle-faint: rgba(248, 250, 252, 0.78);
  --ui-bg-surface-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94));
  --ui-bg-card-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
  --ui-bg-card-selected-gradient: linear-gradient(180deg, var(--ui-info-bg-strong), rgba(248, 250, 252, 0.98));
  --ui-bg-hero-overlay: linear-gradient(135deg, rgba(255, 255, 255, 0.94), var(--ui-bg-subtle));
  --ui-bg-hero-accent: linear-gradient(135deg, var(--ui-brand-accent-faint), var(--ui-brand-accent-soft));

  --ui-shadow-soft: 0 12px 26px rgba(15, 23, 42, 0.05);
  --ui-shadow-md: 0 18px 40px rgba(15, 23, 42, 0.08);
  --ui-shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.08);
  --ui-shadow-floating: 0 18px 35px rgba(15, 23, 42, 0.16);
  --ui-shadow-hover: 0 16px 34px rgba(15, 23, 42, 0.08);
  --ui-shadow-chip-hover: 0 8px 18px rgba(15, 23, 42, 0.06);
  --ui-shadow-drawer: 0 28px 60px rgba(15, 23, 42, 0.22);

  --ui-topbar-bg: linear-gradient(180deg, #0f172a 0%, #172235 100%);
  --ui-topbar-border: rgba(148, 163, 184, 0.18);
  --ui-topbar-shadow: 0 14px 30px rgba(15, 23, 42, 0.18);
  --ui-topbar-link: rgba(226, 232, 240, 0.82);
  --ui-topbar-link-active: rgba(226, 232, 240, 0.8);
  --ui-topbar-control-bg: rgba(255, 255, 255, 0.04);
  --ui-topbar-control-bg-hover: rgba(255, 255, 255, 0.12);
  --ui-topbar-control-border: rgba(148, 163, 184, 0.3);
  --ui-topbar-control-border-hover: rgba(226, 232, 240, 0.36);

  --ui-danger-soft: rgba(220, 38, 38, 0.28);
  --ui-danger-faint: rgba(127, 29, 29, 0.18);
  --ui-danger-border: rgba(248, 113, 113, 0.32);
  --ui-danger-border-strong: rgba(248, 113, 113, 0.45);
  --ui-danger-border-soft: rgba(239, 68, 68, 0.24);
  --ui-danger-border-faint: rgba(239, 68, 68, 0.2);
  --ui-danger-border-muted: rgba(248, 113, 113, 0.25);
  --ui-danger-bg: rgba(254, 242, 242, 0.96);
  --ui-danger-bg-soft: rgba(254, 242, 242, 0.88);
  --ui-danger-bg-faint: rgba(254, 242, 242, 0.78);
  --ui-danger-text: #fecaca;
  --ui-danger-text-strong: #fff1f2;
  --ui-danger-text-dark: #b91c1c;

  --ui-warning-bg: rgba(255, 251, 235, 0.96);
  --ui-warning-bg-soft: rgba(255, 251, 235, 0.88);
  --ui-warning-bg-faint: rgba(255, 251, 235, 0.82);
  --ui-warning-border: rgba(251, 191, 36, 0.35);
  --ui-warning-border-soft: rgba(245, 158, 11, 0.24);
  --ui-warning-border-faint: rgba(245, 158, 11, 0.2);
  --ui-warning-border-muted: rgba(251, 191, 36, 0.26);
  --ui-warning-text: #7c2d12;
  --ui-warning-text-strong: #b45309;

  --ui-info-bg: rgba(239, 246, 255, 0.96);
  --ui-info-bg-soft: rgba(239, 246, 255, 0.95);
  --ui-info-bg-faint: rgba(239, 246, 255, 0.6);
  --ui-info-bg-strong: rgba(239, 246, 255, 0.98);
  --ui-info-border: rgba(191, 219, 254, 0.9);
  --ui-info-border-soft: rgba(191, 219, 254, 0.95);
  --ui-info-border-faint: rgba(59, 130, 246, 0.24);
  --ui-info-border-muted: rgba(59, 130, 246, 0.18);
  --ui-info-border-active: rgba(30, 64, 175, 0.48);
  --ui-info-border-hover-strong: rgba(59, 130, 246, 0.4);
  --ui-info-border-strong: rgba(59, 130, 246, 0.45);
  --ui-info-border-hover: rgba(59, 130, 246, 0.32);
  --ui-info-shadow-soft: 0 0 0 0.22rem rgba(59, 130, 246, 0.12);
  --ui-info-shadow-md: 0 18px 38px rgba(37, 99, 235, 0.12);
  --ui-info-shadow-sm: 0 10px 22px rgba(37, 99, 235, 0.12);
  --ui-info-shadow-hover: 0 12px 26px rgba(37, 99, 235, 0.12);
  --ui-info-text: #1d4ed8;

  --ui-input-border: rgba(203, 213, 225, 0.82);
  --ui-input-border-soft: rgba(203, 213, 225, 0.9);
  --ui-input-border-strong: rgba(203, 213, 225, 0.95);
  --ui-chip-border-soft: rgba(148, 163, 184, 0.24);
  --ui-card-border-soft: rgba(226, 232, 240, 0.95);
  --ui-card-border-muted: rgba(226, 232, 240, 0.92);
  --ui-card-divider: rgba(226, 232, 240, 0.88);
  --ui-card-border-faint: rgba(148, 163, 184, 0.22);
  --ui-card-border-strong: rgba(148, 163, 184, 0.28);
  --ui-card-border-dashed: rgba(148, 163, 184, 0.55);
  --ui-status-neutral-bg: rgba(241, 245, 249, 0.9);

  --ui-success-bg: rgba(240, 253, 244, 0.96);
  --ui-success-bg-soft: rgba(240, 253, 250, 0.82);
  --ui-success-bg-faint: rgba(240, 253, 244, 0.88);
  --ui-success-border: rgba(34, 197, 94, 0.24);
  --ui-success-border-soft: rgba(34, 197, 94, 0.2);
  --ui-success-border-alt: rgba(45, 212, 191, 0.25);

  --ui-scrollbar-thumb: rgba(148, 163, 184, 0.42);
  --ui-backdrop-dark: rgba(15, 23, 42, 0.38);
}

.ui-page-shell {
  display: grid;
  gap: 1.5rem;
}

.ui-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 1.75rem;
  border: 1px solid color-mix(in srgb, var(--ui-border-color-strong) 90%, transparent);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-bg-hero-overlay), var(--ui-bg-hero-accent);
  box-shadow: var(--ui-shadow-lg);
  backdrop-filter: blur(10px);
}

.ui-hero__meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ui-hero__art {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.1rem;
  height: 4.1rem;
  border-radius: 1.2rem;
  border: 1px solid var(--ui-card-border-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.9));
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
  color: var(--ui-text-default);
}

.ui-hero__art svg {
  width: 2.7rem;
  height: 2.7rem;
}

.ui-hero__kicker {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ui-brand-success);
}

.ui-hero__title {
  margin: 0;
  font-size: clamp(2rem, 2.5vw, 2.85rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ui-text-strong);
}

.ui-hero__subtitle {
  margin: 0.75rem 0 0;
  font-size: 0.98rem;
  color: var(--ui-text-body);
}

.ui-hero--compact {
  gap: 1rem;
  padding: 1rem 1.25rem;
}

.ui-hero--compact .ui-hero__kicker {
  margin-bottom: 0.22rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.ui-hero--compact .ui-hero__title {
  font-size: clamp(1.5rem, 2vw, 2.1rem);
  line-height: 1;
}

.ui-hero--compact .ui-hero__subtitle {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  max-width: 46rem;
}

.ui-surface,
.dashboard-section,
.dashboard-surface {
  border: var(--ui-border-soft);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-bg-panel);
  box-shadow: var(--ui-shadow-md);
  overflow: hidden;
}

.ui-surface--gradient {
  background:
    linear-gradient(180deg, var(--ui-bg-panel), rgba(248, 250, 252, 0.94));
}

.ui-section-header,
.dashboard-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem 1rem;
  border-bottom: 1px solid var(--ui-divider-color);
  background: linear-gradient(180deg, var(--ui-bg-subtle), var(--ui-bg-panel-soft));
}

.ui-surface-body {
  padding: 1.1rem 1.25rem 1.25rem;
}

.ui-surface-body--flush {
  padding: 0;
}

.ui-card {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--ui-card-radius);
  background: var(--ui-bg-panel-soft);
}

.ui-card--subtle {
  background: var(--ui-bg-subtle);
  border-color: rgba(148, 163, 184, 0.24);
}

.ui-card--soft {
  border-radius: var(--ui-card-radius-soft);
}

.ui-card--panel {
  border-radius: var(--ui-card-radius-panel);
}

.dashboard-section-header--compact {
  padding-bottom: 0.9rem;
}

.ui-eyebrow,
.dashboard-eyebrow {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ui-text-muted);
}

.ui-title,
.dashboard-section-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ui-text-strong);
}

.ui-copy,
.dashboard-section-copy {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--ui-text-muted);
}

.ui-chip,
.dashboard-chip,
.dashboard-shared-meta,
.workout-library-tag,
.workout-share-chip,
.workout-library-hint__chip,
.workout-library-active-filters__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
}

.ui-chip {
  padding: 0.7rem 1rem;
  border: var(--ui-border-strong);
  background: var(--ui-bg-overlay-soft);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--ui-text-default);
}

.ui-chip__label {
  color: var(--ui-text-muted);
}

.dashboard-chip {
  padding: 0.7rem 1rem;
  border: var(--ui-border-strong);
  background: var(--ui-bg-overlay-soft);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--ui-text-default);
}

.dashboard-chip-label {
  color: var(--ui-text-muted);
}

.ui-toolbar,
.dashboard-toolbar,
.workout-library-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.ui-toolbar--end {
  justify-content: flex-end;
}

.ui-toolbar--spacious {
  align-items: center;
  gap: 0.75rem;
}

.dashboard-toolbar {
  justify-content: flex-end;
}

.workout-library-toolbar {
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.workout-library-toolbar > * {
  align-self: center;
}

.dashboard-toolbar .btn,
.workout-library-card .btn,
.workout-library-load-more .btn {
  border-radius: 999px;
  font-weight: 600;
  box-shadow: none;
}

.dashboard-toolbar .btn {
  padding-inline: 0.9rem;
}

.ui-toggle-group {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 999px;
  background: var(--ui-bg-subtle);
}

.ui-toggle-group--light {
  border-color: rgba(148, 163, 184, 0.24);
  background: var(--ui-bg-overlay-soft);
}

.ui-toggle-group .btn {
  border-radius: 999px;
  padding-inline: 0.85rem;
  font-weight: 700;
  border-color: transparent;
}

.ui-toggle-group .btn.active {
  background: var(--ui-text-strong);
  color: var(--ui-text-inverse);
  border-color: var(--ui-text-strong);
}

.ui-empty-state,
.workout-library-empty {
  padding: 1.2rem 0.4rem 0.6rem;
  color: var(--ui-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 991.98px) {
  .ui-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .ui-hero__meta {
    justify-content: flex-start;
  }

  .ui-hero__art {
    width: 3.5rem;
    height: 3.5rem;
  }

  .ui-hero__art svg {
    width: 2.3rem;
    height: 2.3rem;
  }
}