/*
  AMCO Portal V5 — Shared UI Components
  Step B3: reusable visual primitives for all AMCO Portal domains.
  Safe to include on any page. Does not override page-specific behavior aggressively.
*/
:root {
  --amco-ui-bg: #ffffff;
  --amco-ui-soft: #f8fafc;
  --amco-ui-line: #e2e8f0;
  --amco-ui-text: #0f172a;
  --amco-ui-muted: #64748b;
  --amco-ui-accent: #0f766e;
  --amco-ui-accent-soft: #ecfeff;
  --amco-ui-gold: #c08a45;
  --amco-ui-danger: #b91c1c;
  --amco-ui-radius: 18px;
  --amco-ui-shadow: 0 10px 24px rgba(15, 23, 42, .08);
}

.amco-ui-card {
  background: var(--amco-ui-bg);
  border: 1px solid var(--amco-ui-line);
  border-radius: var(--amco-ui-radius);
  box-shadow: var(--amco-ui-shadow);
  padding: 16px;
}

.amco-ui-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.amco-ui-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.amco-ui-badge,
.amco-ui-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 900;
  font-size: .88rem;
  border: 1px solid rgba(15, 118, 110, .22);
  background: var(--amco-ui-accent-soft);
  color: var(--amco-ui-accent);
}

.amco-ui-status-badge[data-status="approved"],
.amco-ui-status-badge.approved { background: #ecfdf5; color: #047857; border-color: rgba(4,120,87,.22); }
.amco-ui-status-badge[data-status="tested"],
.amco-ui-status-badge.tested { background: #eff6ff; color: #1d4ed8; border-color: rgba(29,78,216,.22); }
.amco-ui-status-badge[data-status="in_progress"],
.amco-ui-status-badge.in-progress { background: #fffbeb; color: #92400e; border-color: rgba(146,64,14,.22); }
.amco-ui-status-badge[data-status="blocked"],
.amco-ui-status-badge.blocked { background: #fef2f2; color: var(--amco-ui-danger); border-color: rgba(185,28,28,.22); }

.amco-ui-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.amco-ui-tab-button {
  border: 1px solid var(--amco-ui-line);
  background: #fff;
  color: var(--amco-ui-text);
  border-radius: 999px;
  padding: 9px 13px;
  font-weight: 900;
  cursor: pointer;
  transition: .18s ease;
}
.amco-ui-tab-button:hover { transform: translateY(-1px); box-shadow: var(--amco-ui-shadow); }
.amco-ui-tab-button.active,
.amco-ui-tab-button[aria-selected="true"] { background: var(--amco-ui-accent); color: #fff; border-color: var(--amco-ui-accent); }

.amco-ui-tab-panel { display: none; }
.amco-ui-tab-panel.active { display: block; }

.amco-ui-history-grid { display:grid; grid-template-columns:repeat(2,minmax(280px,1fr)); gap:14px; }
.amco-ui-history-card { border:1px solid var(--amco-ui-line); border-radius:14px; background:var(--amco-ui-soft); padding:10px; }
.amco-ui-history-card.active { outline:2px solid var(--amco-ui-accent); background:var(--amco-ui-accent-soft); }

.amco-ui-empty-state {
  border: 1px dashed var(--amco-ui-line);
  background: var(--amco-ui-soft);
  border-radius: var(--amco-ui-radius);
  padding: 18px;
  color: var(--amco-ui-muted);
  line-height: 1.8;
  text-align: center;
}

.amco-ui-toast-container {
  position: fixed;
  z-index: 9999;
  inset-inline-end: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(420px, calc(100vw - 36px));
}
.amco-ui-toast {
  border: 1px solid var(--amco-ui-line);
  background: #fff;
  color: var(--amco-ui-text);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: 0 18px 45px rgba(15,23,42,.16);
  line-height: 1.6;
}
.amco-ui-toast.success { border-color: rgba(4,120,87,.22); background:#ecfdf5; }
.amco-ui-toast.warning { border-color: rgba(146,64,14,.22); background:#fffbeb; }
.amco-ui-toast.error { border-color: rgba(185,28,28,.22); background:#fef2f2; }

@media(max-width: 900px) { .amco-ui-history-grid { grid-template-columns: 1fr; } }