.surface-card {
  background:
    linear-gradient(180deg, var(--paper-strong) 0%, var(--paper) 100%);
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(14px);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  color: rgba(255, 238, 220, 0.78);
  text-decoration: none;
  background: rgba(255, 251, 244, 0.07);
  border: 1px solid rgba(255, 251, 244, 0.14);
  transition:
    transform var(--transition-base),
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: #fff9f0;
  background: rgba(255, 251, 244, 0.14);
  border-color: rgba(255, 251, 244, 0.24);
  transform: translateY(-1px);
}

.site-nav__link.is-active {
  color: #fffaf2;
  background: linear-gradient(135deg, rgba(242, 139, 59, 0.42), rgba(217, 90, 35, 0.48));
  border-color: rgba(255, 233, 206, 0.32);
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow--muted {
  color: var(--ink-soft);
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(128, 60, 26, 0.15);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff8f2;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  font-weight: 700;
  transition:
    transform var(--transition-base),
    filter var(--transition-base),
    opacity var(--transition-base);
}

.action-button:hover,
.action-button:focus-visible {
  transform: translateY(-2px);
  filter: saturate(1.05);
}

.action-button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.action-button--compact {
  min-height: 2.9rem;
  padding: 0.72rem 1rem;
  box-shadow: var(--shadow-sm);
}

.status-message {
  min-height: 1.4rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.status-message[data-state="success"] {
  color: var(--success);
}

.status-message[data-state="warning"] {
  color: var(--warning);
}

.status-message[data-state="error"] {
  color: var(--danger);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 246, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.metric-card--wide {
  grid-column: span 1;
}

.metric-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.metric-value {
  display: block;
  color: var(--ink);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.06em;
}

.metric-value--current {
  font-size: clamp(1rem, 2.3vw, 1.45rem);
  min-height: 1.5em;
}

.metric-value--timer {
  font-variant-numeric: tabular-nums;
}

.empty-state {
  padding: 1rem 1.15rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
  background: rgba(255, 252, 246, 0.58);
}

@media (max-width: 720px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-card--wide {
    grid-column: 1 / -1;
  }
}