:root {
  --op-card-radius: 16px;
  --op-card-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
  --op-card-border: 1px solid rgba(148, 163, 184, 0.12);
}

.op-toolbar-card {
  background: #ffffff;
  border-radius: var(--op-card-radius);
  box-shadow: var(--op-card-shadow);
  border: var(--op-card-border);
}

.op-toolbar-title {
  font-size: 1.45rem;
}

.op-toolbar-subtitle {
  color: #64748b;
  font-size: 0.95rem;
}

.op-toolbar-actions .btn {
  border-radius: 999px;
}

.op-filter-form .input-group-text {
  background: transparent;
  border-right: 0;
  color: #64748b;
}

.op-filter-form .form-control,
.op-filter-form .form-select {
  border-radius: 12px;
  min-height: 40px;
}

.op-filter-form .search-actions {
  display: flex;
  gap: 0.5rem;
}

.op-filter-form .search-actions .btn {
  flex: 1;
}

.op-stat-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.4rem 0;
  scroll-snap-type: x mandatory;
}

.op-stat-scroll::-webkit-scrollbar {
  height: 6px;
}

.op-stat-scroll::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 999px;
}

.op-stat-card {
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
  border: 1px solid rgba(148, 163, 184, 0.12);
  padding: 0.85rem 1rem;
  min-width: 150px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  scroll-snap-align: center;
}

.op-stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}

.op-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

.op-stat-value {
  font-size: 1.15rem;
  font-weight: 700;
}

.op-data-card {
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.op-chart-card {
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: #ffffff;
}

.op-mobile-list {
  display: grid;
  gap: 0.9rem;
}

.op-mobile-card {
  border-radius: 14px;
  padding: 1rem;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.op-mobile-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.op-mobile-card-meta {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: #475569;
}

.op-mobile-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.7rem;
}

.qr-mobile-log-list {
  display: grid;
  gap: 0.85rem;
}

.qr-mobile-log-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.qr-mobile-log-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.qr-mobile-log-index {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.qr-mobile-log-timestamp {
  text-align: right;
  font-size: 0.78rem;
  color: #475569;
}

.qr-mobile-log-meta {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: #475569;
}

.qr-mobile-log-meta i {
  color: #1e40af;
}

.qr-mobile-log-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.qr-mobile-log-actions .btn {
  flex: 1 1 calc(50% - 0.5rem);
}

.qr-mobile-log-actions .btn span {
  font-size: 0.78rem;
}

@media (max-width: 767.98px) {
  .op-stat-scroll {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
    padding: 0;
    scroll-snap-type: none;
  }

  .op-toolbar-title {
    font-size: 1.2rem;
  }

  .op-toolbar-subtitle {
    font-size: 0.8rem;
  }

  .op-filter-form .form-control,
  .op-filter-form .form-select {
    font-size: 0.85rem;
  }

  .op-filter-form .search-actions {
    gap: 0.4rem;
  }

  .op-stat-card {
    min-width: 0;
    width: 100%;
    padding: 0.75rem 0.9rem;
  }

  .op-stat-value {
    font-size: 1.05rem;
  }

  .op-data-card {
    border-radius: 12px;
  }

  .qr-mobile-log-card {
    border-radius: 12px;
    padding: 0.85rem;
  }

  .qr-mobile-log-actions .btn {
    flex: 1 1 100%;
  }
}

@media (min-width: 576px) and (max-width: 767.98px) {
  .op-stat-scroll {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .op-mobile-list {
    display: none;
  }

  .op-stat-scroll {
    overflow: visible;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
  }

  .op-stat-card {
    width: 100%;
  }
}

@media (min-width: 1200px) {
  .op-stat-scroll {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
  }
}