/* walkthrough-ui.css — shared component layer for the walkthrough product
 * surfaces (/dashboard, /walkthrough), built on tokens.css.
 *
 * tokens.css supplies the variables; this file is the first real consumer of the
 * self-hosted typefaces (Departure Mono + Geist) and defines the common chrome:
 * topbar, buttons, pills, toasts, skeletons. Page-specific CSS stays inline.
 */

/* ── Typefaces (first self-hosted use; styleguide noted these weren't wired) ── */
@font-face {
  font-family: "Geist";
  src: url("/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Departure Mono";
  src: url("/fonts/DepartureMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Base ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body), sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur-base) var(--ease-default), color var(--dur-base) var(--ease-default);
}
a { color: var(--amber-ink); text-underline-offset: 2px; }
h1, h2, h3 { letter-spacing: -0.01em; font-weight: 600; margin: 0; }
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--s-6); }

/* Mono UI label — the signature Editorial Instrument detail. */
.tag {
  font-family: var(--font-mono-ui);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.tag--amber { color: var(--amber-ink); }

/* ── Topbar ───────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .container { display: flex; align-items: center; gap: var(--s-4); width: 100%; }
.wordmark {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark .dot { color: var(--amber); }
.topbar .spacer { flex: 1 1 auto; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 44px;
  padding: var(--s-3) var(--s-5);
  font: inherit;
  font-weight: 600;
  color: var(--fg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-default),
              background var(--dur-fast) var(--ease-default),
              filter var(--dur-fast) var(--ease-default),
              transform var(--dur-fast) var(--ease-default);
}
.btn:hover { border-color: var(--fg-faint); }
.btn:active { transform: translateY(1px); }
.btn--primary {
  color: var(--amber-deep);
  background: var(--amber);
  border-color: var(--amber);
}
.btn--primary:hover { filter: brightness(1.06); border-color: var(--amber); }
.btn--ghost { background: transparent; border-color: transparent; }
.btn--ghost:hover { background: var(--bg-elevated); border-color: var(--border); }
.btn--sm { min-height: 36px; padding: var(--s-2) var(--s-3); font-size: 14px; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0;
  background: transparent; color: var(--fg); border: 1px solid transparent;
  border-radius: var(--r-md); cursor: pointer; font: inherit;
}
.btn-icon:hover { background: var(--bg-elevated); border-color: var(--border); }

/* ── Pills ────────────────────────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: var(--s-1);
  font-family: var(--font-mono-ui);
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px var(--s-2);
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  color: var(--fg-dim);
  background: var(--bg-elevated);
  white-space: nowrap;
}
.pill .dot { width: 7px; height: 7px; border-radius: var(--r-pill); background: currentColor; }
.pill--good  { color: var(--state-good);  border-color: color-mix(in srgb, var(--state-good) 40%, var(--border)); }
.pill--warn  { color: var(--state-warn);  border-color: color-mix(in srgb, var(--state-warn) 40%, var(--border)); }
.pill--error { color: var(--state-error); border-color: color-mix(in srgb, var(--state-error) 40%, var(--border)); }

/* ── Skeleton shimmer ─────────────────────────────────────────────────────── */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--bg-elevated);
  border-radius: var(--r-md);
}
.skeleton::after {
  content: "";
  position: absolute; inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--fg-faint) 22%, transparent), transparent);
  animation: shimmer 1.3s var(--ease-default) infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* ── Toasts (created by app-shell.js) ─────────────────────────────────────── */
.toast-host {
  position: fixed; top: var(--s-5); right: var(--s-5); z-index: 60;
  display: flex; flex-direction: column; gap: var(--s-2);
  max-width: min(360px, calc(100vw - 2 * var(--s-5)));
}
.toast {
  padding: var(--s-3) var(--s-4);
  background: var(--bg-elevated);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-pop);
  font-size: 14px;
  cursor: pointer;
  opacity: 0; transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease-default), transform var(--dur-base) var(--ease-default);
}
.toast--in { opacity: 1; transform: translateY(0); }
.toast--good  { border-left-color: var(--state-good); }
.toast--error { border-left-color: var(--state-error); }

/* ── Reduced motion: kill the shimmer/keyframes (tokens already zero durations) */
@media (prefers-reduced-motion: reduce) {
  .skeleton::after { animation: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 var(--s-4); }
}