/* ==========================================================================
   Luniea Smart Estimate — Design System
   Shared tokens used by both admin.css and frontend.css.
   Load this BEFORE admin.css / frontend.css so downstream rules can rely
   on these custom properties.
   ========================================================================== */

:root {
  /* Color Palette */
  --ls-primary: #3b82f6;
  --ls-primary-dark: #2563eb;
  --ls-primary-light: #dbeafe;
  --ls-secondary: #8b5cf6;
  --ls-success: #10b981;
  --ls-warning: #f59e0b;
  --ls-danger: #ef4444;
  --ls-info: #06b6d4;

  /* Semantic Surfaces */
  --ls-bg-default: #f9fafb;
  --ls-bg-secondary: #f3f4f6;
  --ls-surface: #ffffff;
  --ls-border: #e5e7eb;
  --ls-text-primary: #111827;
  --ls-text-secondary: #6b7280;

  /* Spacing Scale (8px base) */
  --ls-spacing-xs: 4px;
  --ls-spacing-sm: 8px;
  --ls-spacing-md: 16px;
  --ls-spacing-lg: 24px;
  --ls-spacing-xl: 32px;
  --ls-spacing-2xl: 48px;

  /* Typography */
  --ls-font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ls-font-size-xs: 12px;
  --ls-font-size-sm: 14px;
  --ls-font-size-base: 16px;
  --ls-font-size-lg: 18px;
  --ls-font-size-xl: 20px;
  --ls-font-size-2xl: 24px;

  /* Border & Radius */
  --ls-border-radius-sm: 4px;
  --ls-border-radius-md: 8px;
  --ls-border-radius-lg: 12px;
  --ls-border-width: 1px;

  /* Shadow & Elevation */
  --ls-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --ls-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --ls-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --ls-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Motion */
  --ls-transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --ls-transition-fast: all 100ms ease-out;
}

/* ── Shared Component Primitives ─────────────────────────────────────────
   These are intentionally minimal/opt-in: existing admin.css / frontend.css
   selectors are untouched. New markup can adopt .ls-* classes below without
   any risk of colliding with legacy .lse-admin-* styles. */

.ls-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: var(--ls-font-size-xs);
  font-weight: 600;
  line-height: 1.6;
}
.ls-badge-success { background: #ecfdf5; color: #047857; }
.ls-badge-warning { background: #fffbeb; color: #b45309; }
.ls-badge-danger  { background: #fef2f2; color: #b91c1c; }
.ls-badge-info    { background: #eff6ff; color: #1d4ed8; }
.ls-badge-neutral { background: var(--ls-bg-secondary); color: var(--ls-text-secondary); }

.ls-skeleton {
  background: linear-gradient(90deg, #eceff1 25%, #e2e5e8 37%, #eceff1 63%);
  background-size: 400% 100%;
  animation: ls-skeleton-loading 1.4s ease infinite;
  border-radius: var(--ls-border-radius-sm);
}
@keyframes ls-skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.ls-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ls-spacing-sm);
  padding: var(--ls-spacing-2xl) var(--ls-spacing-lg);
  text-align: center;
  color: var(--ls-text-secondary);
}
.ls-empty-state h3 {
  margin: 0;
  font-size: var(--ls-font-size-lg);
  color: var(--ls-text-primary);
}
.ls-empty-state p { margin: 0; font-size: var(--ls-font-size-sm); }

.ls-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100000;
  display: flex;
  align-items: center;
  gap: var(--ls-spacing-sm);
  padding: 12px 16px;
  background: var(--ls-text-primary);
  color: #fff;
  border-radius: var(--ls-border-radius-md);
  box-shadow: var(--ls-shadow-lg);
  font-size: var(--ls-font-size-sm);
  transform: translateY(12px);
  opacity: 0;
  transition: var(--ls-transition);
  pointer-events: none;
}
.ls-toast.is-visible { transform: translateY(0); opacity: 1; }
.ls-toast.ls-toast-success { background: #065f46; }
.ls-toast.ls-toast-error   { background: #7f1d1d; }

.ls-table-title {
  display: flex;
  align-items: center;
  gap: var(--ls-spacing-sm);
}

.ls-code {
  background: rgba(0, 0, 0, 0.05);
  padding: 3px 8px;
  border-radius: var(--ls-border-radius-sm);
  font-size: var(--ls-font-size-xs);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Two-column settings layout used on Brand & Settings and similar pages. */
.ls-settings-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ls-spacing-lg);
  align-items: start;
}
@media (max-width: 960px) {
  .ls-settings-columns { grid-template-columns: 1fr; }
}

.ls-section-title {
  margin: var(--ls-spacing-md) 0 var(--ls-spacing-sm);
  padding-top: var(--ls-spacing-md);
  border-top: 1px solid var(--ls-border);
  color: var(--ls-text-primary);
  font-size: var(--ls-font-size-sm);
  font-weight: 600;
}
.ls-section-title:first-child { border-top: 0; padding-top: 0; margin-top: 0; }

.ls-hint-text {
  font-size: var(--ls-font-size-xs);
  color: var(--ls-text-secondary);
  margin-top: 0;
}

.ls-color-swatch-row {
  display: flex;
  gap: var(--ls-spacing-sm);
  align-items: center;
}