:root {
  color-scheme: dark light;
  --bg: #0a0a0a;
  --surface: #15171a;
  --surface-2: #1c1f23;
  --border: #2a2e34;
  --text: #e8e8e8;
  --text-dim: #8a8f95;
  --accent: #4f9eff;
  --accent-hover: #6ab0ff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --surface: #ffffff;
    --surface-2: #f3f4f6;
    --border: #e5e7eb;
    --text: #111827;
    --text-dim: #6b7280;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

header h1 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 4px;
}
.hint {
  color: var(--text-dim);
  margin: 0 0 20px;
  font-size: 14px;
}

.input-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 20px;
}

.field-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

textarea, input, select {
  width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s;
}
textarea {
  resize: vertical;
  min-height: 70px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
}

button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:not(:disabled):hover { background: var(--border); }
button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
button.primary:not(:disabled):hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
button.primary.big {
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 600;
}
button.ghost {
  background: transparent;
}
button.icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
button.icon svg { display: block; }
button.icon:not(:disabled):active {
  transform: scale(0.94);
}
button.icon.recording {
  background: var(--err);
  border-color: var(--err);
  color: #fff;
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.5); }
  50% { box-shadow: 0 0 0 10px rgba(248, 113, 113, 0); }
}

.status {
  color: var(--text-dim);
  font-size: 13px;
  margin-left: 4px;
}
.status.loading::before { content: "⏳ "; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.field label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field.full, .full {
  grid-column: 1 / -1;
}
.field.has-error label {
  color: var(--err);
}
.field.has-error input,
.field.has-error select {
  border-color: var(--err);
  box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.15);
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}

.submit-status {
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-dim);
}
.submit-status.ok { color: var(--text); }
.submit-status.err { color: var(--err); }

.submit-status.ok b { color: var(--ok); }

.track-label {
  margin-top: 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.track-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.track-link {
  flex: 1;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.track-link:hover { text-decoration: underline; }
.copy-btn {
  position: relative;
  padding: 6px;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  flex-shrink: 0;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--surface); }
.copy-feedback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.copy-feedback.show { opacity: 1; }
.ms-links {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ms-links a {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  padding: 6px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.ms-links a:hover { background: var(--border); }
.track-meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.track-warn {
  margin-top: 10px;
  font-size: 12px;
  color: var(--warn);
  padding: 6px 10px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: 6px;
}

.pvz-status {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  border: 1px solid var(--border);
}
.pvz-status.ok {
  border-color: rgba(74, 222, 128, 0.4);
  background: rgba(74, 222, 128, 0.08);
  color: var(--ok);
}
.pvz-status.warn {
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.08);
  color: var(--warn);
}
.pvz-status.err {
  border-color: rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.08);
  color: var(--err);
}
.hidden { display: none !important; }

/* PVZ candidates list */
.pvz-candidates {
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  max-height: 320px;
  overflow-y: auto;
}
.pvz-candidates .pvz-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s;
}
.pvz-candidates .pvz-item:last-child { border-bottom: none; }
.pvz-candidates .pvz-item:hover { background: var(--border); }
.pvz-candidates .pvz-item .pvz-code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  color: var(--accent);
  background: rgba(79, 158, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.pvz-candidates .pvz-item .pvz-addr {
  flex: 1;
  font-size: 13px;
  line-height: 1.35;
}
.pvz-candidates .pvz-item .pvz-score {
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
}
.pvz-candidates .pvz-loading,
.pvz-candidates .pvz-empty {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-dim);
}

/* Quick preset chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
}
.chip:hover { background: var(--border); }
.chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Toggle (radio as pills) */
.toggle-row {
  display: flex;
  gap: 6px;
}
.radio-pill {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  cursor: pointer;
  font-size: 14px;
  user-select: none;
}
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill:has(input:checked) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Package details */
.package-details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  padding: 0;
}
.package-details summary {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-dim);
  user-select: none;
  list-style: none;
}
.package-details summary::-webkit-details-marker { display: none; }
.package-details[open] summary { color: var(--text); border-bottom: 1px solid var(--border); }
.package-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 10px;
  padding: 12px 14px;
}

#f-currency-display {
  background: var(--surface-2);
  cursor: default;
  color: var(--text-dim);
}

/* Photo preview */
.photo-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.photo-preview img {
  max-width: 60px;
  max-height: 60px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.photo-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.photo-meta #photo-name {
  font-size: 13px;
  color: var(--text-dim);
}

/* Product autocomplete from MoySklad */
.product-candidates {
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  max-height: 320px;
  overflow-y: auto;
}
.product-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.product-item:last-child { border-bottom: none; }
.product-item:hover { background: var(--border); }
.product-item .pi-head {
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-item .pi-article {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--accent);
  background: rgba(79, 158, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}
.product-item .pi-name {
  font-weight: 500;
  font-size: 14px;
  flex: 1;
}
.product-item .pi-price {
  font-size: 13px;
  color: var(--text-dim);
}
.product-item .pi-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}
.size-pill {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
}
.size-pill:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.size-pill.out {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}
.size-pill.preferred {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79, 158, 255, 0.25);
}
.size-pill.preferred.out {
  background: var(--surface);
  color: var(--text);
}
.size-pill .stock-num {
  margin-left: 4px;
  color: var(--text-dim);
  font-size: 11px;
}
.product-loading, .product-empty {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-dim);
}
.size-stock-hint {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
  margin-left: 6px;
}

/* Calculator block */
.calc-block {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  padding: 12px 14px;
}
.calc-header {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.calc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.calc-item:hover { background: var(--border); }
.calc-item.selected {
  border-color: var(--accent);
  background: rgba(79, 158, 255, 0.08);
}
.calc-item .calc-name {
  flex: 1;
  font-weight: 500;
  font-size: 14px;
}
.calc-item .calc-meta {
  color: var(--text-dim);
  font-size: 12px;
  margin-top: 2px;
}
.calc-item .calc-price {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}
.calc-item .calc-delta {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}
.calc-empty, .calc-loading {
  font-size: 13px;
  color: var(--text-dim);
}

@media (max-width: 540px) {
  .form-grid { grid-template-columns: 1fr; }
  .package-grid { grid-template-columns: 1fr 1fr; }
}