.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.card + .card { margin-top: 16px; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.grid {
  display: grid;
  gap: 16px;
}
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) { .grid-cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.stat-card .stat-label { font-size: 12.5px; color: var(--color-text-muted); font-weight: 500; }
.stat-card .stat-value { font-size: 26px; font-weight: 700; margin-top: 6px; letter-spacing: -0.02em; }
.stat-card .stat-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; margin-bottom: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-warning { background: var(--color-warning-soft); color: #b54708; }
.badge-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-neutral { background: #f2f4f7; color: var(--color-text-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-surface-alt); }
.btn-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.btn-danger:hover { background: #fde2df; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-block { width: 100%; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 5px; }
.form-error { font-size: 12px; color: var(--color-danger); margin-top: 5px; }

.input, .textarea, .select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.textarea { resize: vertical; min-height: 80px; }

.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

.checkbox-row { display: flex; align-items: center; gap: 8px; }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.list-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}
.list-item:last-child { border-bottom: none; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-text-muted);
}
.empty-state .empty-icon { font-size: 32px; margin-bottom: 10px; }

.toast-stack {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--color-text);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.2s ease;
}
.toast.toast-danger { background: var(--color-danger); }
.toast.toast-success { background: var(--color-success); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(16,24,40,0.45);
  display: flex; align-items: center; justify-content: center; z-index: 900;
}
.modal { background: var(--color-surface); border-radius: var(--radius-lg); padding: 22px; width: 420px; max-width: 90vw; box-shadow: var(--shadow-md); }

.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}