:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-hover: #334155;
  --border: #475569;
  --border-soft: #334155;
  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #082f49;
  --success: #10b981;
  --success-light: #064e3b;
  --danger: #ef4444;
  --danger-light: #7f1d1d;
  --warning: #f59e0b;
  --warning-light: #78350f;
  --label-w: 100mm;
  --label-h: 50mm;
  --label-pad: 3mm;
  --logo-max-w: 42mm;
  --logo-max-h: 14mm;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

.app {
  display: grid;
  grid-template-columns: minmax(320px, 360px) minmax(0, 1fr) minmax(300px, 330px);
  gap: 14px;
  padding: 14px;
  min-height: 100vh;
}

.panel,
.preview-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  min-width: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.panel { padding: 16px; }
.preview-wrap { overflow: auto; }

h1 {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

h2 {
  margin: 24px 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  text-transform: uppercase;
  opacity: 0.9;
}

h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.field {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-bottom: 10px;
}

.field.compact { grid-template-columns: 1fr; gap: 4px; }
.field-row { display: grid; grid-template-columns: minmax(0, 1fr) 70px 88px; gap: 8px; }

label {
  padding-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.field.compact label { padding-top: 0; }

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

textarea {
  min-height: 76px;
  resize: vertical;
  line-height: 1.4;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

button {
  border: 0;
  border-radius: 8px;
  padding: 11px 16px;
  font-weight: 700;
  cursor: pointer;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease, background-color 0.2s ease;
}

button:hover {
  filter: brightness(0.97);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

button:active { transform: translateY(0); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: #fff;
  flex: 1;
}

.btn-gray {
  background: var(--surface-hover);
  color: var(--text);
  flex: 1;
  border: 1px solid var(--border);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1.5px solid var(--danger);
}

.btn-small { padding: 8px 12px; font-size: 13px; }
.btn-icon { width: 34px; height: 34px; padding: 0; }

.icon { width: 17px; height: 17px; display: inline-block; }
.icon-lg { width: 28px; height: 28px; }

.actions { display: flex; gap: 10px; margin-top: 20px; }

.note-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  background: var(--surface-hover);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.note-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.note-card strong {
  font-size: 16px;
  color: var(--text);
}

.note-card p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
  vertical-align: 1px;
}

.summary {
  background: linear-gradient(135deg, var(--success-light) 0%, #0f766e 100%);
  color: #d1fae5;
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 10px;
  padding: 12px;
  margin-top: 16px;
  font-weight: 600;
  line-height: 1.6;
  font-size: 14px;
}

.hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.35;
}

.preview-toolbar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(30, 41, 59, 0.96);
  backdrop-filter: blur(6px);
  font-weight: 700;
  flex-wrap: wrap;
}

.toolbar-pill {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-hover);
  font-size: 13px;
  font-weight: 600;
}

.toolbar-select {
  width: auto;
  min-width: 220px;
  padding: 8px 12px;
  font-weight: 600;
  border-radius: 8px;
}

.empty {
  margin: 14px;
  padding: 32px 20px;
  color: var(--text-secondary);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.sheet {
  width: 210mm;
  min-height: 297mm;
  margin: 14px auto;
  background: #fff;
  color: #000;
  padding: 4mm;
  display: grid;
  grid-template-columns: var(--label-w) var(--label-w);
  grid-auto-rows: var(--label-h);
  gap: 0;
  outline: 1px dashed #f19999;
  align-content: start;
}

.roll-preview {
  width: 112mm;
  margin: 14px auto;
  padding: 6mm;
  background: #fff;
  color: #000;
  outline: 1px dashed #f19999;
}

.bobina-page {
  width: var(--label-w);
  height: var(--label-h);
  margin: 0 0 4mm;
}

.label {
  width: var(--label-w);
  height: var(--label-h);
  padding: var(--label-pad);
  border: 1px solid #111;
  overflow: hidden;
  page-break-inside: avoid;
  break-inside: avoid;
  font-size: 9px;
  line-height: 1.14;
  position: relative;
  background: #fff;
  color: #000;
}

.label-header {
  display: grid;
  grid-template-columns: 43mm minmax(0, 1fr);
  gap: 3mm;
  align-items: center;
  border-bottom: 1px solid #111;
  padding-bottom: 1.3mm;
  margin-bottom: 1.2mm;
}

.logo-box {
  width: 43mm;
  height: 15mm;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 3px;
}

.label-logo {
  max-width: var(--logo-max-w);
  max-height: var(--logo-max-h);
  object-fit: contain;
  display: block;
}

.logo-placeholder {
  width: 100%;
  height: 100%;
  border: 1px solid #d5d5d5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2mm;
  font-weight: 800;
  font-size: 8.5px;
  color: #000;
  background: #f7f7f7;
}

.logo-placeholder svg { width: 8mm; height: 8mm; flex: 0 0 auto; }

.company {
  min-width: 0;
  font-size: 7.7px;
  line-height: 1.18;
  font-weight: 500;
}

.company strong,
.company-line {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.company strong {
  font-size: 8.1px;
  font-weight: 800;
  margin-bottom: .35mm;
}

.date-line {
  display: inline-block;
  width: fit-content;
  font-weight: 800;
  margin-bottom: .8mm;
  font-size: 8.7px;
}

.date-line span {
  font-weight: 500;
  margin-left: 1.4mm;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 27mm;
  gap: 2mm;
}

.content-main { min-width: 0; }

.right-box {
  border-left: 1px solid #777;
  text-align: center;
  padding-left: 2mm;
  min-height: 27mm;
  font-weight: 800;
}

.nf-label { font-size: 7pt; line-height: 1; }

.nf-number {
  font-size: 15pt;
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: .25px;
  margin: .8mm 0 1.2mm;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.right-sep {
  border-top: 1px solid #111;
  margin-bottom: 1.2mm;
}

.vol-label { font-size: 7pt; }
.volume-number { font-size: 15pt; font-weight: 900; margin-top: 1.7mm; white-space: nowrap; }
.block-title { font-weight: 800; }
.shipping-text { max-height: 15.6mm; overflow: hidden; }
.desc { margin-top: 1mm; max-height: 9mm; overflow: hidden; }

.company-list { display: grid; gap: 8px; }

.company-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s ease;
}

.company-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.company-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 2px 12px rgba(14, 165, 233, 0.15);
}

.company-card > div { min-width: 0; }

.company-card p {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.company-card strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thumb {
  width: 48px;
  height: 48px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--surface-hover);
}

.thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.upload-box {
  border: 2px dashed var(--border);
  border-radius: 12px;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  color: var(--text-secondary);
  text-align: center;
  background: var(--surface-hover);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease;
}

.upload-box:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.upload-box img {
  max-width: 100%;
  max-height: 100px;
  object-fit: contain;
  border-radius: 8px;
}

.upload-box.drag {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.hidden-input { display: none; }

.form-divider {
  height: 1px;
  background: var(--border-soft);
  margin: 14px 0;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--text);
  color: var(--surface);
  padding: 14px 18px;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  animation: slideIn 0.3s ease-out;
}

.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }

@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  to { transform: translateX(400px); opacity: 0; }
}

.toast.removing { animation: slideOut 0.3s ease-out forwards; }

@media (max-width: 1400px) {
  .app {
    grid-template-columns: minmax(300px, 350px) minmax(0, 1fr) minmax(280px, 320px);
    gap: 12px;
    padding: 12px;
  }
}

@media (max-width: 1200px) {
  .app {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .preview-wrap { order: 2; }
  .panel { order: 1; }
  .companies-panel { order: 3; }
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    padding: 8px;
    gap: 8px;
  }

  h1 { font-size: 20px; }
  h2 { margin-top: 18px; font-size: 14px; }
  .field { grid-template-columns: 1fr; gap: 6px; }
  label { padding-top: 0; }
  .field-row { grid-template-columns: 1fr; }
  button { padding: 10px 14px; font-size: 13px; }
  .toast {
    bottom: 16px;
    right: 16px;
    left: 16px;
    margin: 0;
  }
}

@media (max-width: 480px) {
  .app {
    padding: 6px;
    gap: 6px;
  }

  h1 { font-size: 18px; }
  .panel,
  .preview-wrap,
  .companies-panel {
    padding: 12px;
    border-radius: 8px;
  }
  button { padding: 9px 12px; font-size: 12px; }
  .actions { gap: 8px; }
  .btn-icon { width: 32px; height: 32px; }
  .icon { width: 16px; height: 16px; }
}

@media print {
  body { background: #fff; }
  .panel,
  .preview-toolbar {
    display: none !important;
  }
  .app { display: block; padding: 0; }
  .preview-wrap { border: 0; box-shadow: none; overflow: visible; }
  .empty { display: none; }
  .sheet {
    margin: 0;
    width: 210mm;
    height: 297mm;
    min-height: 297mm;
    padding: 4mm;
    outline: none;
    page-break-after: always;
  }
  .sheet:last-child { page-break-after: auto; }
  .roll-preview { margin: 0; padding: 0; width: 100mm; outline: none; }
  .bobina-page {
    margin: 0;
    width: 100mm;
    height: 50mm;
    page-break-after: always;
  }
  .bobina-page:last-child { page-break-after: auto; }
}