/* ==========================================================================
   app.css — layout & components
   ========================================================================== */

.sr-only:focus { position: static; width: auto; height: auto; margin: 0; padding: var(--space-2); background: var(--color-surface); }

/* ---- Topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.topbar-inner {
  max-width: 1440px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-6);
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-mark { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); }
.brand-subtitle { font-size: var(--text-xs); color: var(--color-text-muted); }
.topbar-actions { display: flex; gap: var(--space-2); }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius-md);
  color: var(--color-text-muted); border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.icon-btn:hover { color: var(--color-text); border-color: var(--color-primary); }

/* ---- App shell ---- */
.app-shell {
  max-width: 1440px; margin: 0 auto;
  display: grid; grid-template-columns: 360px 1fr;
  gap: var(--space-6);
  padding: var(--space-6);
}
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; padding: var(--space-4); }
}

.sidebar { display: flex; flex-direction: column; gap: var(--space-5); min-width: 0; }
.main-col { display: flex; flex-direction: column; gap: var(--space-5); min-width: 0; }

/* ---- Card ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.card-title {
  font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-4);
}
.card-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); }
.card-title-row .card-title { margin-bottom: 0; }

.badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 1.6rem; height: 1.6rem; padding: 0 var(--space-2);
  border-radius: var(--radius-full); background: var(--color-primary-highlight);
  color: var(--color-primary-active); font-size: var(--text-xs); font-weight: 700;
}

/* ---- Forms ---- */
.field { display: flex; flex-direction: column; gap: var(--space-1); margin-bottom: var(--space-3); }
.field-label { font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted); }
.field input, .field select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
}
.field input:focus, .field select:focus { border-color: var(--color-primary); background: var(--color-surface); }
.field input:invalid:not(:placeholder-shown) { border-color: var(--color-error); }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.field-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.field-hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-1); }

.field-row-checks { display: flex; flex-direction: column; gap: var(--space-2); margin: var(--space-2) 0 var(--space-4); }
.checkbox { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); cursor: pointer; user-select: none; }
.checkbox input { width: 1rem; height: 1rem; accent-color: var(--color-primary); cursor: pointer; }
.checkbox-compact { font-size: var(--text-xs); color: var(--color-text-muted); }
.extra-units-section { margin-top: var(--space-3); padding-top: var(--space-3); border-top: 1px dashed var(--color-border); }
.extra-units-heading { margin-top: 0; margin-bottom: var(--space-2); }
.unit-cards { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-3); }
.unit-card { padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface-offset); border: 1px solid var(--color-border); }
.unit-card-header { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-3); }
.unit-card-name { flex: 1; padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-2); font-size: var(--text-sm); }
.unit-card-name:focus { border-color: var(--color-primary); background: var(--color-surface); }
.unit-card .field { margin-bottom: 0; }
.btn-remove-unit { flex-shrink: 0; }

.field[hidden] { display: none !important; }
.checkbox[hidden] { display: none !important; }

.form-error {
  font-size: var(--text-xs); color: var(--color-error);
  background: var(--color-error-highlight); border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3); margin-bottom: var(--space-3);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-block { width: 100%; }
.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); }

.btn-secondary {
  background: var(--color-surface-2); color: var(--color-text); border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { color: var(--color-text); background: var(--color-surface-offset); }
.btn-danger:hover { color: var(--color-error); background: var(--color-error-highlight); }

/* ---- Cargo item list ---- */
.item-list { display: flex; flex-direction: column; gap: var(--space-2); max-height: 360px; overflow-y: auto; }
.empty-hint { font-size: var(--text-xs); color: var(--color-text-faint); text-align: center; padding: var(--space-4) 0; }

.item-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-3);
  padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.item-swatch { width: 0.85rem; height: 0.85rem; border-radius: var(--radius-full); flex-shrink: 0; }
.item-row-main { min-width: 0; }
.item-row-name { font-size: var(--text-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-row-meta { font-size: var(--text-xs); color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: 2px; }
.item-row-flags { display: flex; gap: var(--space-1); font-size: var(--text-xs); color: var(--color-text-faint); }
.item-row-placed { font-size: var(--text-xs); font-weight: 600; }
.item-row-placed.is-partial { color: var(--color-warning); }
.item-row-placed.is-full { color: var(--color-success); }

.item-row-stepper { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }
.stepper-btn {
  width: 1.6rem; height: 1.6rem; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-size: var(--text-sm); font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center; line-height: 1; padding: 0;
}
.stepper-btn:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.stepper-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.stepper-qty { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); min-width: 3.5rem; text-align: center; }
.item-row-delete {
  width: 1.75rem; height: 1.75rem; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-text-faint);
}
.item-row-delete:hover { color: var(--color-error); background: var(--color-error-highlight); }

/* ---- Toolbar ---- */
.toolbar {
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
}
.toolbar-spacer { flex: 1; }

.view-mode-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.view-mode-toggle .btn {
  border-radius: 0;
  border: none;
  margin: 0;
}
.view-mode-toggle .btn.is-active {
  background: var(--color-primary);
  color: #fff;
}
.view-3d-camera-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}
.view-3d-camera-bar[hidden] { display: none; }

/* ---- Canvas card ---- */
.canvas-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.canvas-wrap {
  position: relative; width: 100%;
  height: clamp(320px, 52vh, 560px);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  touch-action: none;
  border: 1px solid var(--color-divider);
}
#trailer-canvas { width: 100%; height: 100%; display: block; }
.canvas-wrap.is-view-3d #trailer-canvas { display: none; }
.canvas-wrap.is-view-3d .canvas-empty-state { display: none !important; }

.trailer-3d-view {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.trailer-3d-view[hidden] { display: none !important; }
.trailer-3d-mount {
  width: 100%; height: 100%;
}
.trailer-3d-mount canvas {
  display: block; width: 100%; height: 100%;
}
.trailer-3d-empty {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-6); text-align: center;
  pointer-events: none;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  background: color-mix(in oklab, var(--color-surface-2) 72%, transparent);
}
.trailer-3d-empty[hidden] { display: none; }

.view-3d-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.view-3d-disclaimer[hidden] { display: none; }

.canvas-empty-state {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: var(--space-3); color: var(--color-text-faint); text-align: center; padding: var(--space-6);
}
.canvas-empty-state[hidden] { display: none; }

.canvas-legend-hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }

.legend { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }
.legend-item { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-muted); }
.legend-swatch { width: 0.7rem; height: 0.7rem; border-radius: 3px; flex-shrink: 0; }

.selection-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  margin-top: var(--space-3); padding: var(--space-3); border-radius: var(--radius-md);
  background: var(--color-primary-highlight); border: 1px solid color-mix(in oklab, var(--color-primary) 40%, transparent);
}
.selection-bar[hidden] { display: none; }
.selection-info { font-size: var(--text-sm); font-weight: 600; color: var(--color-primary-active); }
.selection-info-3d {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: min(100%, 36rem);
  font-weight: 500;
}
.selection-info-3d .sel3d-name { font-weight: 700; }
.selection-info-3d .sel3d-meta { font-size: var(--text-xs); font-weight: 500; opacity: 0.92; }
.selection-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.selection-bar-3d {
  background: color-mix(in oklab, var(--color-warning-highlight) 55%, var(--color-primary-highlight));
  border-color: color-mix(in oklab, var(--color-warning) 35%, var(--color-primary) 40%);
}

/* ---- Banners ---- */
.banner {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 500;
}
.banner-warning { background: var(--color-warning-highlight); color: var(--color-warning); }
.banner-error { background: var(--color-error-highlight); color: var(--color-error); }

/* ---- Unplaced cargo panel ---- */
.unplaced-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.unplaced-panel-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}
.unplaced-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.unplaced-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-3);
  align-items: start;
  font-size: var(--text-sm);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  /* Stałe jasne tło w obu motywach — ciemnoczerwony tekst ma pewny kontrast. */
  background: #f4d9d9;
  border-left: 4px solid #c23b3b;
}
.unplaced-row-swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: var(--radius-full);
  margin-top: 0.2rem;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.15);
}
.unplaced-row-body { min-width: 0; }
/* Teksty na jasnym różowym wierszu: jawne kolory (bez dziedziczenia prawie białego --color-text z dark). */
.unplaced-panel .unplaced-row .unplaced-row-name {
  font-weight: 600;
  color: #171a1f;
}
.unplaced-panel .unplaced-row .unplaced-row-qty {
  display: inline-block;
  margin-left: var(--space-2);
  font-weight: 500;
  color: #5b6270;
}
.unplaced-panel .unplaced-row .unplaced-row-msg {
  margin: var(--space-1) 0 0;
  color: #9b1c1c;
  font-weight: 700;
  line-height: 1.4;
}

/* ---- Summary ---- */
.summary-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3);
}
@media (max-width: 900px) { .summary-grid { grid-template-columns: repeat(2, 1fr); } }

.stat-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-1);
  box-shadow: var(--shadow-sm);
}
.stat-label { font-size: var(--text-xs); color: var(--color-text-muted); }
.stat-value { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.stat-value.is-warning { color: var(--color-warning); }
.stat-value.is-error { color: var(--color-error); }

/* ---- Actions row ---- */
.actions-row { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.save-indicator { font-size: var(--text-xs); color: var(--color-text-faint); margin-left: auto; }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--color-text); color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-md);
  font-size: var(--text-sm); box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100; max-width: 90vw; text-align: center;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- Modal: import z tekstu ---- */
.modal {
  position: fixed; inset: 0; z-index: 80;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
}
.modal[hidden] { display: none !important; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: oklch(0.2 0.02 40 / 0.45);
}
.modal-panel {
  position: relative; z-index: 1;
  width: min(640px, 100%);
  max-height: min(90vh, 900px);
  overflow: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-4);
}
.modal-title {
  margin: 0; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700;
  color: var(--color-text);
}
.modal-body { display: flex; flex-direction: column; gap: var(--space-3); }
.modal-hint {
  margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.45;
}
.modal-hint-secondary { font-size: var(--text-xs); }
.modal-hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--color-surface-offset);
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.import-text-area {
  width: 100%; min-height: 10rem; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--text-sm); line-height: 1.4;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
}
.import-text-area:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.modal-actions-row {
  display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center;
}
.import-preview {
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.import-preview-title {
  margin: 0; font-size: var(--text-base); font-weight: 700; color: var(--color-text);
}
.import-preview-summary {
  margin: 0; font-size: var(--text-sm); color: var(--color-text-muted);
}
.import-preview-table-wrap { overflow-x: auto; }
.import-preview-table {
  width: 100%; border-collapse: collapse; font-size: var(--text-xs);
}
.import-preview-table th,
.import-preview-table td {
  text-align: left; padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider); vertical-align: top;
}
.import-preview-table th {
  color: var(--color-text-muted); font-weight: 600; white-space: nowrap;
}
.import-preview-empty {
  margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); font-style: italic;
}
.import-issues { display: flex; flex-direction: column; gap: var(--space-2); }
.import-issue {
  margin: 0; padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md); font-size: var(--text-xs); line-height: 1.4;
}
.import-issue.is-error {
  background: var(--color-error-highlight); color: var(--color-error);
}
.import-issue.is-warning {
  background: var(--color-warning-highlight); color: var(--color-warning);
}
#btn-import-text { margin-bottom: var(--space-3); }