/* ==========================================================================
   SIDEBAR - Minimal Apple-style
   Progress bar + clean flat list. No badges, no icons, no borders.
   Zero hardcoded values - all from tokens.css
   ========================================================================== */

/* --- Header --- */
.sidebar-header {
  padding: 1.5rem 1.25rem 1rem;
  flex-shrink: 0;
}

.sidebar-header__title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

/* --- Progress Bar --- */
.sidebar-header__progress {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sidebar-header__bar {
  flex: 1;
  height: 3px;
  background: var(--color-white-10);
  border-radius: 2px;
  overflow: hidden;
}

.sidebar-header__fill {
  height: 100%;
  background: var(--color-accent-gold);
  border-radius: 2px;
  transition: width 0.4s ease;
}

.sidebar-header__count {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* --- Navigation --- */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.25rem 0;
}

/* --- Encontro Item --- */
.sidebar-encontro {
  border-bottom: 1px solid var(--color-border);
  border-left: 2px solid transparent;
  transition: border-color 0.15s ease;
}

.sidebar-encontro:last-child {
  border-bottom: none;
}

.sidebar-encontro--locked {
  opacity: 0.35;
}

.sidebar-encontro--current {
  border-left-color: var(--color-accent-gold);
}

/* --- Badge --- */
.sidebar-encontro__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  font-size: 0.6rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--color-white-5);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.sidebar-encontro--current .sidebar-encontro__badge {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
}

.sidebar-encontro__toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1.25rem;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-family: var(--font-family);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
  text-align: left;
}

.sidebar-encontro:not(.sidebar-encontro--locked) .sidebar-encontro__toggle:hover {
  color: var(--color-text-primary);
  background: var(--color-white-5);
}

.sidebar-encontro--current .sidebar-encontro__toggle {
  color: var(--color-text-primary);
  font-weight: 600;
}

.sidebar-encontro__title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-encontro__date {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.sidebar-encontro--current .sidebar-encontro__date {
  color: var(--color-accent-gold-50);
}

.sidebar-encontro__arrow {
  font-size: 0.55rem;
  color: var(--color-text-muted);
  margin-left: 0.4rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.sidebar-encontro--expanded .sidebar-encontro__arrow {
  transform: rotate(90deg);
}

/* --- Lessons --- */
.sidebar-encontro__lessons {
  display: none;
  padding-bottom: 0.25rem;
}

.sidebar-encontro--expanded .sidebar-encontro__lessons {
  display: block;
}

.sidebar-lesson {
  display: block;
  padding: 0.35rem 1.25rem 0.35rem 1.75rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.12s ease;
  border-left: 2px solid transparent;
}

.sidebar-lesson:hover {
  color: var(--color-text-secondary);
  background: var(--color-white-5);
}

.sidebar-lesson--active {
  color: var(--color-accent-gold);
  border-left-color: var(--color-accent-gold);
  font-weight: 500;
}

/* --- Buttons Row --- */
.sidebar-btns {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  flex-shrink: 0;
}

/* --- Calendario Button --- */
.sidebar-cal-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 1;
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--color-accent-gold-30);
  border-radius: var(--radius-md);
  background: var(--color-accent-gold-10);
  color: var(--color-accent-gold);
  font-family: var(--font-family);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sidebar-cal-btn svg,
.sidebar-ext-btn svg {
  flex-shrink: 0;
}

.sidebar-cal-btn:hover {
  color: var(--color-accent-gold-light);
  background: var(--color-accent-gold-20);
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 12px rgba(201,162,39,0.15);
}

.sidebar-cal-btn--active {
  color: var(--color-bg-primary);
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

/* --- Aulas Gravadas Button (external link) --- */
.sidebar-ext-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 1;
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--color-accent-green-20);
  border-radius: var(--radius-md);
  background: var(--color-accent-green-10);
  color: var(--color-accent-green);
  font-family: var(--font-family);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sidebar-ext-btn:hover {
  background: rgba(34,197,94,0.15);
  border-color: var(--color-accent-green);
  box-shadow: 0 0 12px rgba(34,197,94,0.15);
}

/* --- Active Overview highlight --- */
.sidebar-encontro--active-overview .sidebar-encontro__toggle {
  color: var(--color-text-primary);
  background: var(--color-white-5);
}

.sidebar-encontro--active-overview .sidebar-encontro__badge {
  background: var(--color-accent-gold-20);
  color: var(--color-accent-gold);
}