/* ===========================================================================
   SetuHaul base layer — reset, typography, focus, motion, primitives.
   Loaded after tokens.css by both applications.
   =========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

/* The `hidden` attribute must win over any component display value.
   Without this, `.errbox { display:flex }` beats `[hidden]` and an empty error
   box renders as a mysterious coloured bar. */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--concrete);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis-weight: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -.015em;
  margin: 0;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: var(--signal); text-underline-offset: 3px; }

/* Every number in this product aligns in a column. */
.num, .data, td.num, .kpi__value, .chip__id, time {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* --------------------------------------------------------------- a11y */

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--signal-bright);
  outline-offset: 2px;
  border-radius: var(--r-1);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--s-3); top: -100px; z-index: 200;
  background: var(--signal); color: #fff; padding: var(--s-2) var(--s-4);
  border-radius: var(--r-2); font-weight: 600;
}
.skip-link:focus { top: var(--s-3); }

/* ------------------------------------------------------------- motion
   One orchestrated entrance on load, then micro-interactions only.
   Nothing in this product loops or breathes. */

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
@keyframes tick {
  0%   { transform: translateY(-2px); opacity: .4; }
  100% { transform: none; opacity: 1; }
}

.enter { animation: rise var(--dur-3) var(--ease) both; }
.enter-1 { animation-delay: 0ms; }
.enter-2 { animation-delay: 60ms; }
.enter-3 { animation-delay: 120ms; }
.enter-4 { animation-delay: 180ms; }
.enter-5 { animation-delay: 240ms; }

/* A metric that changed value ticks once, in place. No layout shift. */
.ticked { animation: tick var(--dur-2) var(--ease); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------ primitives */

/* Small-caps section label. Used for every panel title and field label so the
   eye can skip them once learned. */
.label {
  font-family: var(--font-body);
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: var(--track-caps);
  text-transform: uppercase;
  color: var(--ink-3);
}

.card {
  background: var(--concrete-lit);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  box-shadow: var(--lift-1);
}

/* State pill. Colour always reports state — see tokens.css. */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: var(--r-full);
  font-size: var(--t-micro); font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  border: 1px solid transparent; white-space: nowrap;
}
.pill--clear  { background: var(--clearance-wash); color: var(--clearance);
                border-color: var(--clearance-edge); }
.pill--attn   { background: var(--hi-vis-wash);    color: var(--hi-vis);
                border-color: var(--hi-vis-edge); }
.pill--stop   { background: var(--stop-wash);      color: var(--stop);
                border-color: var(--stop-edge); }
.pill--info   { background: var(--signal-wash);    color: var(--signal);
                border-color: color-mix(in srgb, var(--signal) 28%, transparent); }
.pill--quiet  { background: var(--concrete-deep);  color: var(--ink-3);
                border-color: var(--rule); }
.pill__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Buttons. Labels say exactly what they do and keep the same name across a
   flow — "Recalculate plan" is never "Refresh" somewhere else. */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 38px; padding: 0 var(--s-4);
  border-radius: var(--r-2); border: 1px solid transparent;
  font-weight: 600; font-size: var(--t-small);
  transition: background var(--dur-1) var(--ease),
              border-color var(--dur-1) var(--ease),
              transform var(--dur-1) var(--ease);
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn--primary { background: var(--signal); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--signal-bright); }
.btn--secondary {
  background: var(--concrete-lit); color: var(--ink);
  border-color: var(--rule);
}
.btn--secondary:hover:not(:disabled) { border-color: var(--ink-4); }
.btn--ghost { background: transparent; color: var(--ink-2); }
.btn--ghost:hover:not(:disabled) { background: var(--concrete-deep); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* Locked action.
   A viewer never meets a dead control. The lock is visible, the cursor says
   not-allowed, and the tooltip states the reason and the remedy. */
.btn--locked {
  opacity: 1; cursor: not-allowed;
  background: var(--concrete-deep); color: var(--ink-4);
  border-color: var(--rule); border-style: dashed;
}
.btn--locked::before { content: "🔒"; font-size: 11px; filter: grayscale(1); }

/* Tooltip — one implementation, used for locks and for "why this matters". */
[data-tip] { position: relative; }
[data-tip]::after {
  content: attr(data-tip);
  position: absolute; z-index: 90; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(3px);
  min-width: 180px; max-width: 280px; padding: var(--s-2) var(--s-3);
  background: var(--asphalt); color: #F3EFE9;
  font-family: var(--font-body); font-size: var(--t-micro); font-weight: 500;
  line-height: 1.45; letter-spacing: 0; text-transform: none;
  border-radius: var(--r-2); box-shadow: var(--lift-2);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
[data-tip]:hover::after, [data-tip]:focus-visible::after {
  opacity: 1; transform: translateX(-50%);
}
[data-tip-left]::after  { left: 0; transform: translateX(0) translateY(3px); }
[data-tip-left]:hover::after { transform: translateX(0); }
[data-tip-right]::after { left: auto; right: 0; transform: translateX(0) translateY(3px); }
[data-tip-right]:hover::after { transform: translateX(0); }

/* Skeletons mirror the final layout so nothing shifts when data lands. */
.skel {
  background: linear-gradient(90deg,
    var(--concrete-deep) 25%, var(--rule-soft) 37%, var(--concrete-deep) 63%);
  background-size: 400% 100%;
  animation: skelmove 1.3s ease infinite;
  border-radius: var(--r-1);
}
@keyframes skelmove { 0% { background-position: 100% 0 } 100% { background-position: 0 0 } }
@media (prefers-reduced-motion: reduce) { .skel { animation: none; } }

.empty {
  display: grid; place-items: center; gap: var(--s-3);
  padding: var(--s-7) var(--s-5); text-align: center;
}
.empty__title { font-family: var(--font-display); font-size: var(--t-h3); font-weight: 700; }
.empty__body  { color: var(--ink-3); font-size: var(--t-small); max-width: 42ch; }

.errbox {
  display: flex; gap: var(--s-3); align-items: flex-start;
  padding: var(--s-3) var(--s-4);
  background: var(--stop-wash); border: 1px solid var(--stop-edge);
  border-radius: var(--r-2); color: var(--stop); font-size: var(--t-small);
}
.errbox strong { display: block; font-weight: 700; }

/* Toasts. Bottom-right on desktop, above the thumb zone on mobile. */
.toasts {
  position: fixed; z-index: 120; display: flex; flex-direction: column;
  gap: var(--s-2); pointer-events: none;
  right: var(--s-5); bottom: var(--s-5);
}
.toast {
  pointer-events: auto; display: flex; align-items: center; gap: var(--s-3);
  min-width: 260px; max-width: 380px;
  padding: var(--s-3) var(--s-4);
  background: var(--asphalt); color: #F3EFE9;
  border-radius: var(--r-2); box-shadow: var(--lift-3);
  font-size: var(--t-small); animation: rise var(--dur-2) var(--ease);
}
.toast__bar { width: 3px; align-self: stretch; border-radius: 2px;
              background: var(--signal-bright); }
.toast--ok   .toast__bar { background: var(--clearance); }
.toast--attn .toast__bar { background: var(--hi-vis-pure); }
.toast--stop .toast__bar { background: var(--stop); }
.toast__body { flex: 1; }
.toast__title { font-weight: 700; }
.toast__meta { color: #B6AFA5; font-size: var(--t-micro); }