/* Cargo Tracker's shared application foundation. Feature CSS owns only its layout. */
:root {
  color-scheme: light;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f3f5f7;
  --surface: #fff;
  --surface-muted: #f8fafb;
  --text: #172033;
  --muted: #677386;
  --border: #dfe5eb;
  --border-strong: #cbd5e1;
  --primary: #173b50;
  --primary-dark: #102d3d;
  --primary-soft: #e9f0f4;
  --focus: #39799a;
  --success: #147a4a;
  --success-soft: #eaf8f1;
  --warning: #8a5b00;
  --warning-soft: #fff7df;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --radius: 12px;
  --radius-small: 8px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --content-width: 1560px;
  --task-width: 820px;
  /* Existing A layout vocabulary shares the same token values. */
  --brand: var(--primary);
  --brand-soft: var(--primary-soft);
  --surface-soft: var(--surface-muted);
  --line: var(--border);
  --line-strong: var(--border-strong);
  --shadow: none;
  --auth-bg: var(--bg);
  --auth-card: var(--surface);
  --auth-text: var(--text);
  --auth-muted: var(--muted);
  --auth-line: var(--border);
  --auth-primary: var(--primary);
  --auth-primary-hover: var(--primary-dark);
  --auth-focus: var(--focus);
  --auth-error: var(--danger);
  --ease-out: cubic-bezier(.23, 1, .32, 1);
}
* { box-sizing: border-box; }
html, body { min-width: 320px; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font: 16px/1.5 var(--font); }
a { color: var(--primary); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.25; overflow-wrap: anywhere; }
h1 { margin: 0 0 var(--space-4); font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.03em; }
h2 { margin: var(--space-5) 0 var(--space-3); font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 var(--space-3); }
dl, dd { margin: 0; }
dd { overflow-wrap: anywhere; }
code { overflow-wrap: anywhere; }
pre { max-width: 100%; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
small, dt, .muted { color: var(--muted); }
small { font-size: .85rem; }
td small, dd small, .facts small { display: block; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip, .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip:focus { z-index: 30; top: var(--space-3); left: var(--space-3); width: auto; height: auto; clip-path: none; background: var(--surface); padding: var(--space-3); }
.app-header { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--border); }
.app-header-inner { max-width: var(--content-width); margin: auto; padding: var(--space-4) var(--space-6); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--text); font-weight: 750; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 35px; height: 35px; background: var(--primary); color: var(--surface); border-radius: var(--radius-small); font-size: .8rem; }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2) var(--space-4); min-width: 0; }
nav a { display: inline-flex; align-items: center; min-height: 40px; color: var(--muted); font-size: .9rem; font-weight: 650; }
.page-container { max-width: var(--content-width); margin: auto; padding: var(--space-5) var(--space-6) 64px; min-width: 0; }
.receiving-page .page-container, .operator-page .page-container { max-width: var(--task-width); }
.page-heading, .section-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-4); }
.page-heading h1, .section-heading h2 { margin: 0; }
.eyebrow { margin: 0 0 var(--space-2); color: var(--muted); font-size: .75rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.back, .back-link { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: var(--space-4); font-weight: 650; }
.card, .panel, .project-card, .summary-card, .item-block, .place-card, .unit-card, .cargo-hero, .list-section { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card, .panel, .detail, .item-block, .place-card, .unit-card, .cargo-hero { padding: var(--space-5); margin-bottom: var(--space-4); }
.grid, .facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: var(--space-4); }
.facts > div { min-width: 0; }
.facts dd { margin-top: var(--space-1); font-weight: 650; }
button, input, select, textarea { font: inherit; }
button, .button, .account-button, .auth-submit { display: inline-flex; justify-content: center; align-items: center; min-height: 46px; padding: 10px var(--space-4); border: 1px solid var(--primary); border-radius: var(--radius-small); color: var(--surface); background: var(--primary); font-weight: 650; text-decoration: none; cursor: pointer; }
button:hover, .button:hover, .account-button:hover, .auth-submit:hover { color: var(--surface); background: var(--primary-dark); text-decoration: none; }
.secondary, .button-secondary, .button--secondary, .button--ghost { color: var(--primary); background: var(--surface); border-color: var(--border-strong); }
.secondary:hover, .button-secondary:hover, .button--secondary:hover { color: var(--primary); background: var(--primary-soft); }
.danger, .button-danger, .account-button--danger { color: var(--danger); background: var(--danger-soft); border-color: var(--danger); }
.danger:hover, .button-danger:hover, .account-button--danger:hover { color: var(--surface); background: var(--danger); }
button:disabled, .button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
label { display: block; margin-bottom: var(--space-2); font-weight: 650; }
input, select, textarea { width: 100%; min-width: 0; max-width: 100%; min-height: 46px; padding: 10px var(--space-3); color: var(--text); border: 1px solid var(--border-strong); border-radius: var(--radius-small); background: var(--surface); }
input[type="checkbox"], input[type="radio"] { width: auto; min-height: 0; accent-color: var(--primary); }
input[type="hidden"] { display: none; }
textarea { min-height: 88px; resize: vertical; }
fieldset { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius-small); padding: var(--space-4); margin: var(--space-4) 0; }
.field { min-width: 0; }
.actions, .form-actions, .confirmation-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
.table-wrap, .scroll, .cargo-table-wrap { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); vertical-align: top; overflow-wrap: anywhere; }
thead th { background: var(--surface-muted); color: var(--muted); font-size: .85rem; }
tbody tr:hover { background: var(--surface-muted); }
.number { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.badge, .status, .status-badge { display: inline-flex; align-items: center; max-width: 100%; padding: var(--space-1) var(--space-3); color: var(--primary); background: var(--primary-soft); border-radius: 999px; font-size: .8rem; font-weight: 650; }
.notice, .alert, .hint, .gate, .error-summary, .form-errors { margin: var(--space-4) 0; padding: var(--space-4); background: var(--primary-soft); border: 1px solid var(--border); border-left: 3px solid var(--primary); border-radius: var(--radius-small); overflow-wrap: anywhere; }
.notice--warning, .gate { background: var(--warning-soft); border-left-color: var(--warning); }
.ok, .notice--success { background: var(--success-soft); border-left-color: var(--success); }
.errorlist, .messages, .blocked { color: var(--danger); }
.error-summary, .form-errors { background: var(--danger-soft); border-left-color: var(--danger); }
[aria-invalid="true"] { border-color: var(--danger); }
.empty-state, .empty { padding: var(--space-6); text-align: center; color: var(--muted); }
.empty-state { border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface); }
.photo-grid, .attachment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); }
.photo-thumb, .attachment-thumb { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; overflow: hidden; background: var(--surface-muted); border: 1px solid var(--border); border-radius: var(--radius-small); }
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; }
.message { padding: var(--space-4); margin: var(--space-3) 0; border-left: 3px solid var(--primary); background: var(--surface-muted); white-space: pre-wrap; }
.internal { border-left-color: var(--warning); background: var(--warning-soft); }
.cargo-order { list-style: none; margin: 0; padding: 0; }
.cargo-order li { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding: var(--space-2) 0; border-bottom: 1px solid var(--border); }
.cargo-order label { flex: 1; min-width: 0; }
.public-label .page-container { max-width: 480px; padding-top: 64px; text-align: center; }
.public-label .code { font-size: 2rem; font-weight: 800; margin: var(--space-3); }
@media (max-width: 760px) {
  .app-header-inner { padding: var(--space-3) var(--space-4); gap: var(--space-2); }
  nav { gap: var(--space-1) var(--space-3); }
  nav a { font-size: .8rem; }
  .page-container { padding: var(--space-4) var(--space-3) 48px; }
  .page-heading { align-items: flex-start; }
  .card, .panel, .detail, .item-block, .place-card, .unit-card, .cargo-hero { padding: var(--space-4); }
  th, td { padding: var(--space-2); }
}