/* ═══════════════════════════════════════════════
   Entrenamiento – estilos específicos de la sección
   ═══════════════════════════════════════════════ */

/* ── Section layout (column) ─────────────────────── */
#section-entrenamiento.active {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-content: start;
}

#section-entrenamiento.active > .card {
  margin-bottom: 0;
  min-width: 0;
}

/* ── Monthly calendar ───────────────────────────── */
.ent-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.ent-cal-header {
  text-align: center;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.25rem 0;
  font-weight: 600;
}

.ent-cal-day {
  position: relative;
  padding: 0.4rem 0.35rem 0.3rem;
  border-radius: var(--radius-sm);
  min-height: 52px;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.ent-cal-day:not(.empty):hover { border-color: var(--border); }
.ent-cal-day.today             { border-color: var(--accent) !important; }
.ent-cal-day.gym-done          { background: rgba(110, 231, 183, 0.09); }
.ent-cal-day.padel-done        { background: rgba(212, 146, 42, 0.09); }
.ent-cal-day.both-done         { background: rgba(110, 231, 183, 0.07); }

.ent-cal-day-num {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.2rem;
}

.ent-cal-dots {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  margin-top: 3px;
}

.ent-cal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ent-cal-dot.gym            { background: var(--success); }
.ent-cal-dot.padel          { background: var(--accent); }
.ent-cal-dot.gym.planned    { background: rgba(110, 231, 183, 0.35); border: 1px solid var(--success); }
.ent-cal-dot.padel.planned  { background: rgba(212, 146, 42, 0.25); border: 1px solid var(--accent); }

.ent-cal-kcal {
  font-size: 0.58rem;
  color: var(--text-muted);
  line-height: 1;
  margin-top: 2px;
}

/* ── Month nav ──────────────────────────────────── */
.ent-month-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.ent-month-nav h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  min-width: 160px;
  text-align: center;
}

/* ── Stat row ────────────────────────────────────── */
.ent-stat-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.ent-stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.ent-stat-val {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.1;
}

/* ── Progress bar ────────────────────────────────── */
.ent-progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.3rem 0 1rem;
}

.ent-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.ent-progress-fill.done { background: var(--success); }

/* ── Plan day tabs ──────────────────────────────── */
.ent-day-tabs {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.ent-day-tab {
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  border: 1px solid var(--border);
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
  white-space: nowrap;
}

.ent-day-tab:hover  { border-color: var(--accent); color: var(--text); }
.ent-day-tab.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* ── Exercise table ─────────────────────────────── */
.ent-exercise-table {
  width: 100%;
  border-collapse: collapse;
}

.ent-exercise-table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.ent-exercise-table td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  vertical-align: middle;
}

.ent-exercise-table tr:last-child td { border-bottom: none; }
.ent-exercise-table tbody tr:hover td { background: var(--bg-elevated); }

.ent-ex-name { font-weight: 500; color: var(--text); }
.ent-ex-mono { font-family: var(--font-mono); }
.ent-ex-muted { color: var(--text-muted); font-size: 0.8rem; }

.ent-ex-edit-inputs td { padding: 0.3rem 0.4rem; }
.ent-ex-edit-inputs input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.25rem 0.5rem;
  font-size: 0.82rem;
  font-family: var(--font);
}
.ent-ex-edit-inputs input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Body metrics ───────────────────────────────── */
.ent-metrics-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.ent-metric-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.ent-metric-val {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
}

.ent-bmi-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: 0.4rem;
  vertical-align: middle;
}
.ent-bmi-bajo   { background: var(--accent-dim); color: var(--accent); }
.ent-bmi-normal { background: rgba(110, 231, 183, 0.15); color: var(--success); }
.ent-bmi-sobre  { background: rgba(251, 191, 36, 0.15);  color: #f59e0b; }
.ent-bmi-obeso  { background: rgba(248, 113, 113, 0.15); color: var(--danger); }

/* ── Sparkline ──────────────────────────────────── */
.ent-sparkline-wrap {
  margin: 0.25rem 0 1.25rem;
}

/* ── Dropzone ───────────────────────────────────── */
.ent-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 1.75rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.ent-dropzone:hover,
.ent-dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(212, 146, 42, 0.05);
}

.ent-dz-icon     { font-size: 2rem; opacity: 0.35; margin-bottom: 0.5rem; line-height: 1; }
.ent-dz-text     { font-size: 0.9rem; color: var(--text); margin-bottom: 0.15rem; }
.ent-dz-filename {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--accent);
  word-break: break-all;
}
.ent-dz-file-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

/* ── Section label ──────────────────────────────── */
.ent-section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.6rem;
  margin-top: 1rem;
}
.ent-section-label:first-child { margin-top: 0; }

/* ── Active badge ────────────────────────────────── */
.ent-active-badge {
  display: inline-block;
  background: rgba(110, 231, 183, 0.12);
  color: var(--success);
  border: 1px solid rgba(110, 231, 183, 0.25);
  border-radius: 4px;
  font-size: 0.68rem;
  padding: 0.1rem 0.45rem;
  margin-left: 0.35rem;
  vertical-align: middle;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Vista Hoy ────────────────────────────────────── */
.ent-today-card h3 { margin-bottom: 0.5rem; }
.ent-streak {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.ent-weekly-goals-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.ent-weekly-goals-row strong { color: var(--text); }
.ent-today-exercises { margin-top: 1rem; }
.ent-today-no-ex {
  font-size: 0.85rem;
  margin: 0.5rem 0;
}
.ent-today-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 0.5rem;
}
.ent-today-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.ent-today-table th,
.ent-today-table td {
  padding: 0.65rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.ent-today-table thead th {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg);
  padding: 0.6rem 0.6rem;
}
.ent-today-table tbody tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.04);
}
.ent-today-table tbody tr:hover td {
  background: var(--bg);
}
.ent-today-table tbody tr:last-child td {
  border-bottom: none;
}
.ent-today-col-ex {
  min-width: 140px;
  max-width: 200px;
  font-weight: 500;
  color: var(--text);
  padding-left: 0.85rem;
  line-height: 1.4;
}
.ent-today-col-set {
  min-width: 100px;
  text-align: center;
  border-left: 1px solid var(--border);
}
.ent-today-set-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.ent-today-table .ent-log-input {
  box-sizing: border-box;
}
.ent-today-table .ent-log-input:focus {
  outline: none;
  border-color: var(--accent);
}
.ent-today-set-cell .ent-today-inp {
  min-width: 3.2rem;
  width: 3.2rem;
  padding: 0.45rem 0.4rem;
  font-size: 0.85rem;
  text-align: center;
  box-sizing: border-box;
}
.ent-today-set-cell .ent-log-set-done {
  flex-shrink: 0;
}
.ent-today-set-cell .ent-log-check-label {
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.85rem;
}
.ent-today-log {
  margin-bottom: 0;
}
.ent-today-log .ent-log-exercise {
  margin-bottom: 1rem;
}
.ent-today-log .ent-log-exercise:last-child {
  margin-bottom: 0;
}
.ent-today-done-wrap {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.ent-today-done-wrap .btn {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
}
.ent-today-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9rem;
}
.ent-today-list li { margin-bottom: 0.25rem; }

/* ── Modales ──────────────────────────────────────── */
.ent-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}
.ent-modal {
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  max-width: 90vw;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.ent-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.ent-modal-header h4 { margin: 0; font-size: 1rem; }
.ent-modal-body,
#ent-log-modal-body {
  padding: 1rem 1.25rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.ent-modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* ── Detalle de sesión (modal mejorado) ───────────────────────────────────── */
.ent-log-modal {
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
}

.ent-log-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.ent-log-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ent-log-modal-icon {
  font-size: 1.5rem;
  line-height: 1;
  opacity: 0.9;
}

.ent-log-modal-header h4 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.ent-log-modal-date {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.ent-log-modal-close {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.ent-log-modal-close:hover {
  background: var(--bg);
  color: var(--text);
}

.ent-log-modal-body {
  padding: 1.25rem 1.5rem;
}

.ent-log-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.ent-log-loading-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ent-log-spin 0.7s linear infinite;
}

@keyframes ent-log-spin {
  to { transform: rotate(360deg); }
}

.ent-log-empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.ent-log-empty-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
  opacity: 0.6;
}

.ent-log-empty-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.ent-log-empty-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
}

.ent-log-exercises {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ent-log-exercise {
  margin: 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.ent-log-exercise:last-child {
  margin-bottom: 0;
}

.ent-log-ex-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.ent-log-ex-num {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
  border-radius: 6px;
  flex-shrink: 0;
}

.ent-log-ex-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.ent-log-sets-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ent-log-sets-header {
  display: grid;
  grid-template-columns: 2rem 5rem 4.5rem 3rem;
  gap: 0.5rem;
  align-items: center;
  padding: 0 0 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.ent-log-set-row {
  display: grid;
  grid-template-columns: 2rem 5rem 4.5rem 3rem;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

.ent-log-set-row:hover {
  background: var(--bg);
}

.ent-log-set-num {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ent-log-input {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}

.ent-log-input:focus {
  outline: none;
  border-color: var(--accent);
}

.ent-log-input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.ent-log-set-done {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0;
}

.ent-log-set-done input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ent-log-check-label {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: transparent;
  background: var(--bg);
  transition: all 0.2s;
}

.ent-log-set-done input:checked + .ent-log-check-label {
  background: rgba(34, 197, 94, 0.2);
  border-color: var(--success);
  color: var(--success);
}

.ent-log-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}
.ent-timer-modal .ent-modal { padding: 1.5rem; text-align: center; }
#ent-timer-display {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1.2;
}
.ent-nutrition-week-card .ent-link-nutrition { display: inline-block; margin-top: 0.5rem; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 640px) {
  .ent-calendar  { gap: 2px; }
  .ent-cal-day   { min-height: 40px; padding: 0.3rem 0.2rem; }
  .ent-cal-day-num { font-size: 0.72rem; }
  .ent-metrics-stats { gap: 1.2rem; }
  .ent-stat-row  { gap: 1.2rem; }
  .ent-log-modal { max-width: 100%; }
  .ent-log-modal-header,
  .ent-log-modal-body { padding: 1rem; }
  .ent-log-sets-header,
  .ent-log-set-row {
    grid-template-columns: 1.75rem 4rem 3.5rem 2.5rem;
    gap: 0.35rem;
  }
  .ent-log-input { padding: 0.4rem 0.5rem; font-size: 0.85rem; }
  .ent-today-table-wrap { padding: 0.35rem; }
  .ent-today-table th,
  .ent-today-table td { padding: 0.5rem 0.45rem; }
  .ent-today-set-cell .ent-today-inp { min-width: 2.8rem; width: 2.8rem; padding: 0.4rem 0.35rem; font-size: 0.8rem; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .ent-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .ent-tab-btn { flex-shrink: 0; }
  .ent-today-table,
  .ent-gym-log-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ent-week-grid { grid-template-columns: repeat(4, 1fr); }
  .ent-log-sets-header,
  .ent-log-set-row { grid-template-columns: 1.5rem 4rem 4rem 2.5rem; font-size: 0.82rem; }
  .ent-stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .ent-week-grid { grid-template-columns: repeat(3, 1fr); }
  .ent-stats-grid { grid-template-columns: 1fr; }
  .ent-exercise-list { grid-template-columns: 1fr; }
}