/* Shared stylesheet. Tokens copied from ui/tokens.css; the tint, danger and warning values come from
   the approved prototype (docs/reference-ui/masar-prototype.html) until ui/tokens.css names them. */
:root {
  color-scheme: light;
  --font-ui: Tahoma, Arial, sans-serif;
  --color-canvas: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #162d35;
  --color-muted: #52676b;
  --color-primary: #116a64;
  --color-border: #d5e3df;
  --color-focus: #08645c;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --radius-control: 0.5rem;
  --radius-panel: 0.875rem;
  --color-tint: #eaf4f1;
  --color-danger: #a32f23;
  --color-warning-surface: #fff5dd;
  --color-warning-border: #ca9d37;
  --color-warning-text: #443513;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--color-canvas); color: var(--color-text); font-family: var(--font-ui); line-height: 1.7; }
h1, h2, h3 { line-height: 1.3; margin: 0 0 var(--space-3); }
a { color: var(--color-primary); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* Phone numbers, identifiers, money and timestamps stay legible inside RTL text. */
.ltr { direction: ltr; unicode-bidi: isolate; }

.skip-link { position: absolute; inset-inline-start: var(--space-2); top: -3rem; padding: var(--space-2) var(--space-3); background: var(--color-surface); border-radius: var(--radius-control); }
.skip-link:focus { top: var(--space-2); }

/* Layout: navigation at the inline start (right in RTL), workspace beside it. */
.shell { display: grid; grid-template-columns: 15rem 1fr; min-height: 100vh; }
.shell-nav { background: var(--color-surface); border-inline-end: 1px solid var(--color-border); padding: var(--space-4); }
.brand { display: flex; gap: var(--space-3); align-items: center; margin-bottom: var(--space-6); }
.brand small { display: block; color: var(--color-muted); }
.brand-mark { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: var(--radius-control); background: var(--color-primary); color: var(--color-surface); font-weight: bold; }
.shell-nav nav { display: flex; flex-direction: column; gap: var(--space-1); }
.shell-nav nav a { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-control); color: var(--color-text); text-decoration: none; }
.shell-nav nav a:hover { background: var(--color-tint); }
.shell-nav nav a[aria-current="page"] { background: var(--color-tint); color: var(--color-primary); font-weight: bold; }
.workspace { padding: var(--space-6); min-width: 0; }
.workspace-top { display: flex; justify-content: flex-end; margin-bottom: var(--space-4); }
.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-panel); padding: var(--space-6); margin-bottom: var(--space-4); }

/* Status is always carried by text; colour only reinforces it. */
.badge { display: inline-block; padding: var(--space-1) var(--space-3); border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-surface); font-size: 0.875rem; }
.badge-synthetic { border-color: var(--color-warning-border); background: var(--color-warning-surface); color: var(--color-warning-text); }
.notice { padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-inline-start-width: 4px; border-radius: var(--radius-control); background: var(--color-surface); }
.notice-warning { border-color: var(--color-warning-border); background: var(--color-warning-surface); color: var(--color-warning-text); }
.notice-error { border-color: var(--color-danger); color: var(--color-danger); }

/* Forms: a visible label per control, a visible focus ring and a text error tied by aria-describedby. */
.field { display: grid; gap: var(--space-1); margin-bottom: var(--space-4); }
.field label { font-weight: bold; }
.field-hint { color: var(--color-muted); font-size: 0.875rem; }
input, select, textarea { font: inherit; color: inherit; width: 100%; max-width: 32rem; padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-control); background: var(--color-surface); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--color-focus); }
[aria-invalid="true"] { border: 2px solid var(--color-danger); }
.field-error { color: var(--color-danger); font-size: 0.875rem; }
button { font: inherit; padding: var(--space-2) var(--space-4); border: 1px solid var(--color-primary); border-radius: var(--radius-control); background: var(--color-primary); color: var(--color-surface); cursor: pointer; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

@media (max-width: 48rem) {
  .shell { grid-template-columns: 1fr; }
  .shell-nav { border-inline-end: 0; border-bottom: 1px solid var(--color-border); }
  .workspace { padding: var(--space-4); }
}

.voucher-file-viewer { float: inline-end; width: min(46%, 42rem); margin-inline-start: 1rem; }
.voucher-file-viewer img { max-width: 100%; height: auto; }
.panel:has(.voucher-file-viewer) { display: flow-root; }
@media (max-width: 48rem) { .voucher-file-viewer { float: none; width: 100%; margin: 0; } }