@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  --bb-bg: #f8fafc;
  --bb-text: #1e293b;
  --bb-primary: #3b82f6;
  --bb-primary-weak: #60a5fa;
  --bb-cta: #f97316;
  --bb-border: #e5e7eb;

  font-family: Inter, ui-sans-serif, system-ui;
  line-height: 1.5;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bb-bg);
  color: var(--bb-text);
}

#app {
  min-height: 100vh;
}

a {
  color: var(--bb-primary);
  text-decoration: none;
}

a:hover {
  color: var(--bb-primary-weak);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(59, 130, 246, 0.6);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* --- Shared UI primitives (Web) --- */
.bb-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

.bb-pageHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.bb-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.bb-muted {
  color: #475569;
  font-size: 12px;
}

.bb-input,
.bb-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--bb-border);
  border-radius: 10px;
  background: white;
  color: var(--bb-text);
}

.bb-input--sm,
.bb-select--sm {
  padding: 8px 10px;
}

.bb-btn {
  padding: 10px 12px;
  border: 1px solid var(--bb-primary);
  border-radius: 10px;
  background: var(--bb-primary);
  color: white;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease, background 120ms ease;
}

.bb-btn:hover {
  filter: brightness(1.03);
}

.bb-btn:active {
  transform: translateY(1px);
}

.bb-btn--secondary {
  border-color: var(--bb-border);
  background: rgba(59, 130, 246, 0.08);
  color: var(--bb-text);
}

.bb-btn--danger {
  border-color: #fecaca;
  background: #fee2e2;
  color: #991b1b;
}

.bb-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.bb-card {
  border: 1px solid var(--bb-border);
  border-radius: 14px;
  padding: 12px;
  background: white;
}

.bb-card--interactive {
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.bb-card--interactive:hover {
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.bb-alert {
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid var(--bb-border);
  background: rgba(2, 132, 199, 0.06);
}

.bb-alert--error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.bb-alert--ok {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #065f46;
}

.bb-empty {
  border: 1px dashed var(--bb-border);
  border-radius: 14px;
  padding: 18px 14px;
  background: rgba(255, 255, 255, 0.65);
}

.bb-grid2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 768px) {
  .bb-grid2 {
    grid-template-columns: 1fr 1fr;
  }
}