header.app-header {
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 16px;
  z-index: 50;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-bright);
}

.nfl-shield-icon {
  width: 26px;
  height: 32px;
  filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.4));
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-bright);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.week-select-container {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.week-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  outline: none;
}

.week-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.bye-teams {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-left: 1px solid var(--border-subtle);
  padding-left: 10px;
}

.bye-chip {
  background: var(--bg-card);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.65rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Center Filters */
.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.filter-group {
  display: flex;
  background: var(--bg-primary);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 2px;
}

.filter-btn {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  gap: 6px;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.filter-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.35);
}

.filter-count {
  font-size: 0.65rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1px 5px;
  border-radius: var(--radius-full);
}

.filter-btn.active .filter-count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* Right Controls */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.poll-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.countdown-ring {
  width: 22px;
  height: 22px;
  transform: rotate(-90deg);
}

.countdown-circle-bg {
  stroke: var(--bg-tertiary);
  stroke-width: 3;
  fill: none;
}

.countdown-circle {
  stroke: var(--accent-blue);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 56.5;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

.ctrl-btn {
  height: 32px;
  padding: 0 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  gap: 6px;
}

.ctrl-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.ctrl-btn.active {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: var(--border-accent);
}

.ctrl-icon-btn {
  width: 32px;
  padding: 0;
}

.scale-controls {
  display: flex;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2px;
}

.scale-btn {
  width: 26px;
  height: 26px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.scale-btn:hover {
  color: var(--text-primary);
}

.scale-display {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding: 0 4px;
}

@media (max-width: 1200px) {
  .bye-teams { display: none; }
  .brand-subtitle { display: none; }
}

@media (max-width: 900px) {
  .week-select-container { display: none; }
  .poll-status-indicator span { display: none; }
}