/* ---- Design tokens ------------------------------------------------- */
:root {
  --ink: #1c1a17;
  --ink-soft: #5a5346;
  --paper: #faf7f2;
  --panel: #ffffff;
  --copper: #c4652b;
  --copper-dark: #a3501f;
  --signal-green: #2f7d5e;
  --signal-green-bg: #e7f2ec;
  --alert-rust: #b23b2e;
  --alert-rust-bg: #f8e9e6;
  --amber-bg: #fbeee0;
  --line: #ddd5c7;
  --radius: 4px;

  --font-display: "Space Grotesk", "Archivo", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Bootstrap variable overrides */
  --bs-primary: var(--copper);
  --bs-primary-rgb: 196, 101, 43;
  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--paper);
  --bs-border-color: var(--line);
  --bs-link-color: var(--copper-dark);
  --bs-link-hover-color: var(--copper);
  --bs-border-radius: var(--radius);
  --bs-border-radius-sm: 3px;
  --bs-border-radius-lg: 6px;
}

body {
  background: var(--paper);
  color: var(--ink);
}

/* ---- App shell ------------------------------------------------------ */
.app-topbar {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--copper);
}

.app-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.25rem;
  color: var(--paper);
  text-decoration: none;
}

.app-wordmark:hover {
  color: var(--copper);
}

.app-topbar .nav-link {
  color: rgba(250, 247, 242, 0.75);
  font-weight: 500;
}

.app-topbar .nav-link:hover,
.app-topbar .nav-link.active {
  color: var(--paper);
}

h1, h2, h3, h4, .display-heading {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.page-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---- Readout chips: the recurring "instrument reading" motif -------- */
.readout {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
}

.readout-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.readout-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.15rem 0.5rem;
  display: inline-block;
  line-height: 1.4;
}

.readout-value.is-low {
  color: var(--alert-rust);
  border-color: var(--alert-rust);
  background: var(--alert-rust-bg);
}

.readout-value.is-ok {
  color: var(--signal-green);
  border-color: var(--signal-green);
  background: var(--signal-green-bg);
}

code, .mono {
  font-family: var(--font-mono);
}

/* ---- Cards / panels --------------------------------------------------- */
.card {
  border-color: var(--line);
  box-shadow: none;
}

.card-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 600;
}

/* ---- Buttons: squared-off, instrument-panel feel ---------------------- */
.btn {
  border-radius: var(--radius);
  font-weight: 600;
}

.btn-primary {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--copper-dark);
  border-color: var(--copper-dark);
  color: var(--paper);
}

.btn-outline-primary {
  color: var(--copper-dark);
  border-color: var(--copper);
}

.btn-outline-primary:hover {
  background: var(--copper);
  border-color: var(--copper);
}

/* Big tap targets for factory-floor mobile use */
.btn-lg-touch {
  min-height: 3rem;
  font-size: 1.05rem;
}

.form-control, .form-select {
  border-color: var(--line);
  min-height: 2.75rem;
}

.form-control:focus, .form-select:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 0.2rem rgba(196, 101, 43, 0.2);
}

/* Always-visible focus ring for keyboard users */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* ---- Tables ------------------------------------------------------------ */
.table {
  --bs-table-border-color: var(--line);
}

.table thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
  border-bottom-width: 2px;
}

/* ---- Big tap targets for picking one of a few things --------------------- */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem;
}

/* Visually hidden, not display:none — the radio still has to take focus and
   answer to the keyboard. */
.choice-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.choice-tile {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.15rem;
  width: 100%;
  min-height: 5rem;
  padding: 0.85rem 1rem;
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--bs-border-radius-lg);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.choice-tile:active { transform: translateY(1px); }

.choice-tile-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--ink);
}

.choice-tile-sku {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.choice-input:checked + .choice-tile {
  border-color: var(--copper);
  background: var(--amber-bg);
}

/* Focus lives on the hidden input, so the ring has to be drawn on the tile. */
.choice-input:focus-visible + .choice-tile {
  outline: 3px solid var(--copper);
  outline-offset: 2px;
}

/* ---- Scanner modal ------------------------------------------------------ */
.scanner-viewport {
  border: 2px dashed var(--copper);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---- Utility badges ----------------------------------------------------- */
.badge-status-draft { background: var(--line); color: var(--ink); }
.badge-status-packed { background: var(--amber-bg); color: var(--copper-dark); }
.badge-status-shipped { background: var(--signal-green-bg); color: var(--signal-green); }
/* Faulty shipments end at SENT rather than SHIPPED — same "it's gone" meaning,
   so it reads the same. */
.badge-status-sent { background: var(--signal-green-bg); color: var(--signal-green); }

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