/* ============================================================
   REPRODUCTOR DE ENTRENAMIENTO (CORE DEL TRACKER)
   ============================================================ */

.player-header {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 16px;
  border: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.player-timer-total {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Tarjeta del Ejercicio Actual */
.exercise-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 18px;
}

.exercise-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.exercise-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.exercise-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.exercise-notes {
  background: var(--bg-card);
  border-left: 3px solid var(--color-info);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

/* Tabla de Series (Sets) */
.sets-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.sets-header {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 6px;
  text-align: center;
}

.sets-header:first-child { text-align: left; }
.sets-header:last-child  { text-align: right; }

.set-row {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s, border-color 0.2s;
}

.set-row.completed {
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.set-cell {
  padding: 8px 6px;
  text-align: center;
  vertical-align: middle;
}

.set-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 800;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.set-prev-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Inputs de Peso y Repeticiones (Táctiles & Rápidos) */
.set-input {
  width: 72px;
  min-height: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
  padding: 4px;
  -moz-appearance: textfield;
}

.set-input::-webkit-outer-spin-button,
.set-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.set-input:focus {
  border-color: var(--color-primary);
  background: var(--bg-elevated);
  outline: none;
}

.set-row.completed .set-input {
  color: var(--color-primary);
  border-color: rgba(0, 230, 118, 0.3);
}

/* Checkbox Gigante Táctil para Marcar Serie */
.set-checkbox-btn {
  width: 44px;
  height: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.set-checkbox-btn svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-inverse);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.set-checkbox-btn.checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.5);
  transform: scale(1.05);
}

.set-checkbox-btn:active {
  transform: scale(0.9);
}

/* Botón Añadir Serie */
.btn-add-set {
  width: 100%;
  margin-top: 10px;
  min-height: 40px;
  font-size: 0.85rem;
  border: 1px dashed var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.btn-add-set:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   MODAL O POPUP DEL CRONÓMETRO DE DESCANSO
   ============================================================ */
.rest-timer-modal {
  text-align: center;
  padding: 10px 0;
}

.rest-timer-badge {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.rest-timer-display {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -2px;
  margin: 16px 0 20px 0;
  text-shadow: 0 0 24px rgba(255, 179, 0, 0.4);
}

.rest-timer-progress-wrap {
  width: 100%;
  height: 8px;
  background: var(--bg-card);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 24px;
}

.rest-timer-progress-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transition: width 1s linear;
}

.rest-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.rest-controls .btn {
  font-family: var(--font-mono);
  font-weight: 700;
}