/* ============================================================
   TDW Atlas Engine — atlas.css (MVP)
   ------------------------------------------------------------
   Uses TDW design tokens from tdw-site-core if present.
   Falls back gracefully if tokens are missing.
   Dark-mode ready automatically via token switching in site-core.
   ============================================================ */

/* Base atlas container (the shortcode renders .tdw-atlas) */
.tdw-atlas {
  position: relative;
  width: 100%;
  overflow: hidden;

  /* Default height for current MVP. */
  min-height: 70vh;

  background: var(--tdw-card, #ffffff);
}

/* If Leaflet creates internal panes, ensure they fill the container */
.tdw-atlas .leaflet-container {
  width: 100%;
  height: 100%;
  background: transparent;
}

/* ============================================================
   Empty Container Fallback (Dev / Debug Aid)
   ------------------------------------------------------------
   If Boot fails before rendering, the container stays empty.
   We surface a subtle message for visibility.
   ============================================================ */

.tdw-atlas:empty::before {
  content: "Loading map…";
  display: flex;
  align-items: center;
  justify-content: center;

  position: absolute;
  inset: 0;

  padding: 1rem;

  font-size: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  color: var(--tdw-text, #1D1A16);
  background: repeating-linear-gradient(
    45deg,
    color-mix(in srgb, var(--tdw-water, #3C9FAE) 6%, transparent) 0,
    color-mix(in srgb, var(--tdw-water, #3C9FAE) 6%, transparent) 10px,
    transparent 10px,
    transparent 20px
  );
}

/* If Boot explicitly marks container as failed */
.tdw-atlas.tdw-atlas-failed:empty::before {
  content: "Atlas couldn’t fill container.";
}

/* ============================================================
   Error UI (class used by tdw-logger -> should be moved to TDW Core)
   ============================================================ */

.tdw-error {
  box-sizing: border-box;
  width: 100%;

  padding: 1rem;
  border: 1px solid var(--tdw-border, rgba(0, 0, 0, 0.2));
  border-left-width: 4px;

  /* Use brand accent as “attention” for now; can be swapped later to a dedicated --tdw-danger token */
  border-left-color: var(--tdw-water, #3C9FAE);

  color: var(--tdw-text, #1D1A16);
  background: color-mix(in srgb, var(--tdw-water, #3C9FAE) 10%, var(--tdw-card, #ffffff));

  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.tdw-error strong {
  font-family: var(--tdw-font-heading, inherit);
  font-weight: 700;
}

.tdw-error code {
  font-family: inherit;
  background: color-mix(in srgb, var(--tdw-text, #1D1A16) 6%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
}

.tdw-error a {
  color: var(--tdw-water, #3C9FAE);
  text-decoration: underline;
}

.tdw-error a:hover,
.tdw-error a:focus-visible {
  color: var(--tdw-water-hover, #2F8A97);
}

/* Better focus outline for any interactive elements inside atlas */
.tdw-atlas :is(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--tdw-water, #3C9FAE);
  outline-offset: 2px;
}

/* ============================================================
   Preview Overlay (adapter-agnostic)
   ============================================================ */

.tdw-atlas-preview {
  position: absolute;
  z-index: 500;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "title close"
    "teaser teaser"
    "read read";
  gap: 0.625rem 0.75rem;

  box-sizing: border-box;
  max-width: calc(100% - 2rem);
  padding: 0.875rem;

  border: 1px solid color-mix(in srgb, var(--tdw-water, #3C9FAE) 32%, transparent);
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--tdw-card, #ffffff) 92%, var(--tdw-water, #3C9FAE) 8%);
  color: var(--tdw-text, #1D1A16);

  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.tdw-atlas-preview.tdw-atlas-preview--open {
  opacity: 1;
  pointer-events: auto;
}

.tdw-atlas-preview.tdw-atlas-preview--side-left {
  top: 1rem;
  bottom: 1rem;
  left: 1rem;
  width: min(24rem, 36%);
}

.tdw-atlas-preview.tdw-atlas-preview--side-right {
  top: 1rem;
  bottom: 1rem;
  right: 1rem;
  width: min(24rem, 36%);
}

.tdw-atlas-preview.tdw-atlas-preview--bottom {
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  min-height: 10rem;
  width: auto;
}

.tdw-atlas-preview__close {
  grid-area: close;
  width: 2rem;
  height: 2rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--tdw-water, #3C9FAE) 18%, transparent);
  color: inherit;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.tdw-atlas-preview__title {
  grid-area: title;
  margin: 0;
  font-size: 1rem;
  font-family: var(--tdw-font-heading, inherit);
}

.tdw-atlas-preview__teaser {
  grid-area: teaser;
  margin: 0;
  line-height: 1.45;
}

.tdw-atlas-preview__readmore {
  grid-area: read;
  color: var(--tdw-water, #3C9FAE);
  text-decoration: underline;
}