:root{
  --clo-primary:#2563eb;
  --clo-primary-hover:#1d4ed8;
  --clo-bg:#f8fafc;
  --clo-border:#e2e8f0;
  --clo-text:#1e293b;
  --clo-text-light:#64748b;
  --clo-accent-bg:#eef2ff;
}

.clo-container {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--clo-text);
  background: var(--clo-bg);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--clo-border);
}

.clo-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:18px;
  background:#fff;
  padding:12px 16px;
  border-radius:8px;
  box-shadow:0 1px 3px rgba(0,0,0,0.06);
}

.clo-header-left { display:flex; flex-direction:column; }
.clo-title { margin:0; color:var(--clo-primary); font-size:18px; }
.clo-subtitle { color:var(--clo-text-light); font-size:13px; margin-top:4px; }

.clo-header-actions { display:flex; gap:8px; align-items:center; }

.clo-btn-main {
  background:var(--clo-primary);
  color:#fff;
  border:none;
  padding:8px 14px;
  border-radius:6px;
  font-weight:600;
  cursor:pointer;
}
.clo-btn-main:hover { background:var(--clo-primary-hover); }

.clo-btn-secondary {
  background:none;
  border:1px solid var(--clo-border);
  padding:7px 10px;
  border-radius:6px;
  cursor:pointer;
  font-weight:600;
  color:var(--clo-text);
}

.clo-grid {
  display:grid;
  grid-template-columns: 1fr 380px;
  gap:20px;
  margin-bottom:20px;
}
.clo-left { display:grid; gap:20px; }
.clo-right { display:flex; flex-direction:column; gap:12px; }

.clo-card {
  background:#fff;
  border-radius:8px;
  border:1px solid var(--clo-border);
  overflow:hidden;
}
.clo-card-header {
  background:#f8fafc;
  padding:10px 14px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid var(--clo-border);
}

.clo-table { width:100%; border-collapse:collapse; }
.clo-table th { text-align:left; padding:8px 12px; font-size:12px; text-transform:uppercase; color:var(--clo-text-light); background:#fafafa; }
.clo-table td { padding:6px 12px; border-bottom:1px solid #f1f5f9; vertical-align:middle; }

.clo-input { width:100%; border:1px solid transparent; padding:6px; border-radius:4px; outline:none; font-size:14px; box-sizing:border-box; }
.clo-input:focus { border-color:var(--clo-primary); background:#fff; }

.clo-btn-add { color:var(--clo-primary); background:none; border:none; cursor:pointer; font-weight:700; padding:6px; }
.clo-btn-del { color:#ef4444; background:none; border:none; cursor:pointer; font-weight:700; padding:6px; }

.clo-visual-placeholder { border-radius:8px; padding:14px; background:#fff; border:1px solid var(--clo-border); min-height:300px; }

.clo-empty-placeholder { color:var(--clo-text-light); text-align:center; padding:40px 0; }

.clo-options { padding:12px; display:grid; gap:10px; }
.clo-option-row { display:flex; gap:12px; align-items:center; }
.clo-option-row label { min-width:140px; color:var(--clo-text-light); font-size:13px; }
.clo-unit-select { padding:6px; border-radius:4px; border:1px solid #e6eefb; background:#fff; }

.clo-stats { padding:12px; }
.clo-stat-tiles { display:grid; grid-template-columns: repeat(2,1fr); gap:8px; }
.clo-tile { background:var(--clo-accent-bg); padding:10px; border-radius:6px; font-weight:700; color:var(--clo-text); font-size:13px; }
.clo-small { font-weight:600; color:var(--clo-text-light); font-size:12px; }
.clo-footer { font-size:13px; color:var(--clo-text-light); margin-top:6px; }

@media (max-width:980px) {
  .clo-grid { grid-template-columns: 1fr; }
}

/* Spinner overlay */
.clo-spinner {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(16,24,40,0.25);
  z-index: 9999;
}
.clo-spinner[aria-hidden="false"] { display:flex; }
.clo-spinner-inner { display:flex; gap:12px; align-items:center; background:#fff; padding:18px 20px; border-radius:10px; box-shadow:0 6px 18px rgba(2,6,23,0.2); }
.clo-loader {
  width:28px; height:28px; border-radius:50%; border:4px solid #e6eefb; border-top-color:var(--clo-primary); animation:clo-spin 1s linear infinite;
}
@keyframes clo-spin { to { transform: rotate(360deg); } }
.clo-spinner-text { color:var(--clo-text); font-weight:700; }

/* small helpers */
.clo-remove-row { background:none; border:none; cursor:pointer; color:#ef4444; font-weight:700; padding:6px 8px; }