/* ============================================================
   Etch Design Language — Components
   Vanilla CSS class library. Every class is prefixed `ds-` so it
   coexists peacefully with framework classes (Tailwind/Bootstrap).
   ============================================================ */


/* ---------- Buttons ---------------------------------------- */

.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  border-radius: var(--ds-radius-md);
  border: 1px solid transparent;
  padding: 0 1rem;
  height: 2.5rem;            /* 40px — default */
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 120ms, color 120ms, border-color 120ms;
  background: var(--ds-primary);
  color: var(--ds-primary-foreground);
}
.ds-btn:hover { background: color-mix(in srgb, var(--ds-primary) 90%, transparent); }
.ds-btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.ds-btn--sm   { height: 2.25rem; padding: 0 0.75rem; font-size: 0.8125rem; }
.ds-btn--lg   { height: 2.75rem; padding: 0 2rem; }
.ds-btn--icon { height: 2.5rem; width: 2.5rem; padding: 0; }

.ds-btn--destructive {
  background: var(--ds-destructive);
  color: var(--ds-destructive-foreground);
}
.ds-btn--destructive:hover {
  background: color-mix(in srgb, var(--ds-destructive) 90%, transparent);
}

.ds-btn--outline {
  background: var(--ds-background);
  color: var(--ds-foreground);
  border-color: var(--ds-input);
}
.ds-btn--outline:hover { background: var(--ds-accent); color: var(--ds-accent-foreground); }

.ds-btn--secondary {
  background: var(--ds-secondary);
  color: var(--ds-secondary-foreground);
}
.ds-btn--secondary:hover {
  background: color-mix(in srgb, var(--ds-secondary) 80%, transparent);
}

.ds-btn--ghost {
  background: transparent;
  color: var(--ds-foreground);
}
.ds-btn--ghost:hover { background: var(--ds-accent); color: var(--ds-accent-foreground); }

.ds-btn--link {
  background: transparent;
  color: var(--ds-primary);
  height: auto;
  padding: 0;
  text-underline-offset: 4px;
}
.ds-btn--link:hover { text-decoration: underline; }


/* ---------- Card ------------------------------------------- */

.ds-card {
  border-radius: var(--ds-radius-lg);
  border: 1px solid var(--ds-border);
  background: var(--ds-card);
  color: var(--ds-card-foreground);
  box-shadow: var(--ds-shadow-sm);
}
.ds-card__header { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.375rem; }
.ds-card__title  { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1; }
.ds-card__desc   { font-size: 0.875rem; color: var(--ds-muted-foreground); }
.ds-card__content{ padding: 0 1.5rem 1.5rem; }
.ds-card__footer { padding: 0 1.5rem 1.5rem; display: flex; align-items: center; }


/* ---------- Form controls ---------------------------------- */

.ds-input,
.ds-select,
.ds-textarea {
  display: flex;
  width: 100%;
  height: 2.5rem;
  padding: 0 0.75rem;
  border-radius: var(--ds-radius-md);
  border: 1px solid var(--ds-input);
  background: var(--ds-background);
  font-size: 0.875rem;
  transition: border-color 120ms, box-shadow 120ms;
}
.ds-textarea { height: auto; min-height: 5rem; padding: 0.5rem 0.75rem; }
.ds-input:focus-visible,
.ds-select:focus-visible,
.ds-textarea:focus-visible {
  outline: none;
  border-color: var(--ds-ring);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ds-ring) 35%, transparent);
}
.ds-input:disabled,
.ds-select:disabled,
.ds-textarea:disabled { opacity: 0.5; cursor: not-allowed; }

.ds-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
}

.ds-field { display: flex; flex-direction: column; gap: 0.375rem; }


/* ---------- Pills (status badges) -------------------------- */

.ds-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 9999px;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--ds-zinc-bg);
  color: var(--ds-zinc-fg);
}
.ds-pill--emerald { background: var(--ds-emerald-bg); color: var(--ds-emerald-fg); }
.ds-pill--amber   { background: var(--ds-amber-bg);   color: var(--ds-amber-fg); }
.ds-pill--red     { background: var(--ds-red-bg);     color: var(--ds-red-fg); }
.ds-pill--zinc    { background: var(--ds-zinc-bg);    color: var(--ds-zinc-fg); }
.ds-pill--blue    { background: var(--ds-blue-bg);    color: var(--ds-blue-fg); }
.ds-pill--purple  { background: var(--ds-purple-bg);  color: var(--ds-purple-fg); }
.ds-pill--sky     { background: var(--ds-sky-bg);     color: var(--ds-sky-fg); }

/* Urgent pill — always-red flame badge with strong contrast. */
.ds-pill--urgent {
  background: #dc2626;
  color: #ffffff;
  padding: 0.125rem 0.375rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.025em;
}


/* ---------- Tabs row (URL-tabs style) ---------------------- */

.ds-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem;
  border-bottom: 1px solid var(--ds-border);
}
.ds-tabs__tab {
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ds-muted-foreground);
  transition: color 120ms, border-color 120ms;
  cursor: pointer;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
}
.ds-tabs__tab:hover { color: var(--ds-foreground); }
.ds-tabs__tab.is-active {
  border-bottom-color: var(--ds-primary);
  color: var(--ds-primary);
}


/* ---------- App header (follows the theme) ----------------- */
/* Light values mirror the WPF HeaderLight palette in app/Theme.cs — change
   both together. Dark-family themes (html.dark) keep the original zinc-900
   strip. */

.ds-app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 3px solid var(--ds-brand-magenta);
  background: #ffffff;
  color: #18181b;
  box-shadow: var(--ds-shadow-sm);
}
html.dark .ds-app-header {
  border-bottom-color: var(--ds-brand-magenta-on-dark);
  background: #18181b;          /* zinc-900 */
  color: #f4f4f5;               /* zinc-100 */
}
.ds-app-header__inner {
  margin: 0 auto;
  display: flex;
  height: 3.5rem;
  max-width: 1536px;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.25rem;
}
/* The header's logo. This belonged with the header component but was living in
   the ENGINE's app.css as .ev-logo, so any other app using .ds-app-header got
   an unsized SVG at its natural size — which is how the master list ended up
   with a page-filling wordmark. Same values as .ev-logo; that class stays put
   for the engine and marks pages. */
.ds-app-header__logo { height: 1.1rem; width: auto; display: block; }
html:not(.dark) .ds-app-header__logo { content: url("etch_logo_k.svg"); }

.ds-app-header__sep {
  width: 1px;
  height: 1.5rem;
  background: #d4d4d8;          /* zinc-300 */
  margin: 0 0.625rem;
}
html.dark .ds-app-header__sep { background: #71717a; }   /* zinc-500 */
.ds-app-header__nav {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 0.125rem;
  font-size: 0.875rem;
}
.ds-app-header__link {
  border-radius: var(--ds-radius-md);
  padding: 0.375rem 0.75rem;
  font-weight: 500;
  color: #52525b;               /* zinc-600 */
  transition: background-color 120ms, color 120ms;
}
html.dark .ds-app-header__link { color: #d4d4d8; }       /* zinc-300 */
.ds-app-header__link:hover { background: rgb(228 228 231 / 0.6); color: #18181b; }
html.dark .ds-app-header__link:hover { background: rgb(39 39 42 / 0.6); color: #ffffff; }
.ds-app-header__link.is-active {
  background: #f4f4f5;          /* zinc-100 */
  color: var(--ds-brand-magenta);
}
html.dark .ds-app-header__link.is-active {
  background: #27272a;          /* zinc-800 */
  color: var(--ds-brand-magenta-on-dark);
}


/* ---------- Page header (in-page H1 row) ------------------- */

.ds-page-header {
  display: flex;
  height: 2.5rem;
  align-items: center;
  justify-content: space-between;
}
.ds-page-header__title { font-size: 1.5rem; font-weight: 600; line-height: 1; }
.ds-page-header__actions { display: flex; align-items: center; gap: 0.5rem; }


/* ---------- Filter bar (sits above tables) ----------------- */

.ds-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  border-radius: var(--ds-radius-lg);
  border: 1px solid var(--ds-border);
  background: var(--ds-card);
  padding: 0.75rem;
}
.ds-filter-bar__field { display: flex; flex-direction: column; gap: 0.375rem; }
.ds-filter-bar__label {
  display: block;
  font-size: 0.75rem;
  color: var(--ds-muted-foreground);
}
.ds-filter-bar__control {
  height: 2.25rem;
  border-radius: var(--ds-radius-md);
  border: 1px solid var(--ds-input);
  background: transparent;
  padding: 0 0.5rem;
  font-size: 0.875rem;
}
.ds-filter-bar__control:focus { outline: none; box-shadow: 0 0 0 1px var(--ds-ring); }


/* ---------- Tables ----------------------------------------- */

.ds-table-wrap {
  overflow: hidden;
  border-radius: var(--ds-radius-lg);
  border: 1px solid var(--ds-border);
  background: var(--ds-card);
}
.ds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.ds-table thead {
  background: color-mix(in srgb, var(--ds-muted) 80%, transparent);
  color: var(--ds-muted-foreground);
  text-align: left;
  border-bottom: 2px solid var(--ds-border);
  font-size: 0.75rem;
  letter-spacing: 0.025em;
}
.ds-table th { padding: 0.5rem 1rem; font-weight: 500; }
.ds-table td { padding: 0.5rem 1rem; }
.ds-table tbody tr + tr td { border-top: 1px solid var(--ds-border); }
.ds-table tbody tr:hover { background: color-mix(in srgb, var(--ds-muted) 40%, transparent); }
.ds-table__empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--ds-muted-foreground);
}


/* ---------- Lifecycle bar (status strip above a record) ---- */

.ds-lifecycle-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--ds-radius-lg);
  border: 1px solid var(--ds-border);
  background: var(--ds-card);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}
.ds-lifecycle-bar__sep {
  width: 1px;
  height: 1rem;
  background: var(--ds-border);
}


/* ---------- Layout helpers --------------------------------- */

.ds-stack > * + * { margin-top: 1rem; }
.ds-stack-sm > * + * { margin-top: 0.5rem; }
.ds-row { display: flex; align-items: center; gap: 0.5rem; }
.ds-row--wrap { flex-wrap: wrap; }
.ds-container {
  margin: 0 auto;
  max-width: 1536px;
  padding: 1.25rem;
}
.ds-muted { color: var(--ds-muted-foreground); }


/* ---------- Print ------------------------------------------ */

@media print {
  @page { size: A4; margin: 1.5cm; }
  html, body { background: white !important; color: black !important; }
  .ds-app-header { display: none !important; }
}

/* ---- header wordmark, matched to the ERP ----
   The ERP renders "logo + PRODUCT" as a 60x17 mark beside a 28px light word,
   baseline-aligned. Elements was using the engine's small letterspaced
   .ev-product, so its brand block read half the size of the ERP's next to an
   identical nav — the kind of drift that makes two apps feel like two systems.
   Values taken from components/app-header.tsx, not estimated. */
.ds-app-header__brand {
  display: inline-flex; align-items: baseline; gap: 1rem;
  margin-right: 0.25rem; padding: 0.375rem 0; color: #fff; text-decoration: none;
}
/* width only: the ERP sets height="17" as an ATTRIBUTE, which Tailwind preflight
   (img { height: auto }) overrides, so its mark renders at its intrinsic ratio —
   60 x 20.53, not 60 x 17. Forcing 17px here squashed it. */
.ds-app-header__brand .ds-app-header__logo { width: 60px; height: auto; }
.ds-app-header__word {
  font-size: 28px; font-weight: 300; line-height: 1; letter-spacing: normal;
  color: #ffffff75;
}
/* The ERP separates every nav item with one of these, not just the groups. */
.ds-app-header__nav .ds-app-header__sep { margin: 0 0.625rem; }