/* ============================================
   TRAINING PAGE
   ============================================ */

body.training-page {
  --train-space-sm: 0.75rem;
  --train-space-md: 1rem;
  --train-space-lg: 1.5rem;
}

.training-page .site-main {
  width: min(96%, 900px);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.training-panel {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.training-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.training-panel-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.panel-header-start {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.panel-back-btn {
  padding-left: 0.5rem;
  padding-right: 0.75rem;
  color: var(--color-text-muted);
}

.panel-back-btn:hover {
  color: var(--color-text);
}

.training-auth {
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.auth-tab {
  flex: 1;
  padding: var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.auth-tab:hover {
  color: var(--color-text);
}

.auth-tab.active {
  color: var(--color-primary-hover);
  border-bottom-color: var(--color-primary);
}

.logged-in-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-surface);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.logged-in-bar span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.logged-in-bar strong {
  color: var(--color-text);
}

.plans-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.plan-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.plan-card-name {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text);
  flex: 1;
  min-width: 120px;
}

.plan-card-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.plans-empty {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.exercise-row {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr) auto;
  gap: var(--spacing-md);
  align-items: end;
  padding: var(--spacing-md);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.exercise-row label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

.exercise-row input {
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}

.exercise-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.training-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.session-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-sm));
  z-index: 50;
}

.session-nav {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.session-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.session-info strong {
  color: var(--color-text);
}

.exercise-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.exercise-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-strong);
}

.exercise-table td {
  padding: var(--spacing-md) var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.exercise-table tbody tr:last-child td {
  border-bottom: none;
}

.exercise-table input {
  width: 100%;
  padding: 0.4rem 0.6rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}

.exercise-table input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.set-entry {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.set-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-subtle);
  white-space: nowrap;
  min-width: 3.5rem;
}

#exerciseTableWrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .exercise-row {
    grid-template-columns: 1fr 1fr;
  }

  .exercise-row .btn-danger,
  .exercise-row .remove-ex {
    grid-column: 1 / -1;
  }

  .session-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .session-nav {
    justify-content: stretch;
  }

  .session-nav .btn {
    flex: 1;
  }

  .exercise-table thead {
    display: none;
  }

  .exercise-table tbody,
  .exercise-table tr,
  .exercise-table td {
    display: block;
    width: 100%;
  }

  .exercise-table tr {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }

  .exercise-table td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) 0;
    border-bottom: none;
  }

  .exercise-table td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    flex: 0 0 40%;
  }

  .exercise-table td:last-child {
    display: block;
  }

  .exercise-table td:last-child::before {
    display: block;
    margin-bottom: var(--spacing-sm);
  }

  .set-entry {
    grid-template-columns: auto 1fr 1fr;
    width: 100%;
  }
}