:root {
  --bg: #0b1117;
  --panel: #121b24;
  --panel2: #18232d;
  --line: #2a3946;
  --text: #edf3f7;
  --muted: #8fa1af;
  --accent: #d36a55;
  --accent2: #e7a071;
  --green: #53c48b;
  --red: #e56868;
  --shadow: 0 18px 45px #0005;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  color-scheme: dark;
}

/* Встроенный рабочий модуль: фирменная оболочка сайта уже содержит шапку. */
:root.embedded[data-theme="dark"] {
  --bg: #11161b;
  --panel: #181f26;
  --panel2: #202932;
  --line: #35414b;
  --text: #eef2f4;
  --muted: #9aa7b0;
  --accent: #d45e52;
  --accent2: #e99a79;
  --green: #52e28b;
  color-scheme: dark;
}
:root[data-theme="contrast"] {
  --bg: #28333c;
  --panel: #34414b;
  --panel2: #3d4b56;
  --line: #657581;
  --text: #f8fafb;
  --muted: #c4cdd3;
  --accent: #e07d67;
  --accent2: #f0b58a;
  --green: #82c6a2;
  --red: #ef9b9b;
  --shadow: 0 20px 55px #17202980;
  color-scheme: dark;
}
:root.embedded .topbar,
:root.embedded .hero {
  display: none;
}
:root.embedded[data-theme="dark"] body,
:root.embedded[data-theme="contrast"] body {
  background:
    radial-gradient(circle at 88% 0, rgba(84, 80, 184, .1), transparent 28rem),
    linear-gradient(rgba(113, 145, 166, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(113, 145, 166, .028) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 38px 38px, 38px 38px, auto;
}
:root.embedded[data-theme="light"] body {
  background:
    radial-gradient(circle at 88% 0, rgba(238, 36, 35, .07), transparent 30rem),
    linear-gradient(rgba(49, 66, 82, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49, 66, 82, .035) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 38px 38px, 38px 38px, auto;
}
:root.embedded main {
  max-width: none;
  padding: 16px 17px 72px;
}
:root.embedded .tabs {
  position: sticky;
  top: 0;
  z-index: 15;
  margin: 0 0 13px;
  padding: 6px;
  border-color: rgba(145, 167, 184, .16);
  border-radius: 15px;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(18px);
}
:root.embedded .tabs button {
  min-height: 43px;
  border-radius: 10px;
  transition: color .16s ease, background .16s ease, transform .16s ease;
}
:root.embedded .tabs button:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 5%, transparent);
  transform: translateY(-1px);
}
:root.embedded .tabs button.active {
  color: #fff;
  background: linear-gradient(135deg, #f11d18, #c90e16);
  box-shadow: 0 8px 22px rgba(241, 29, 24, .22);
}
:root.embedded .panel {
  border-color: rgba(145, 167, 184, .16);
  border-radius: 17px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 16px 42px rgba(0, 0, 0, .22), inset 0 1px rgba(255, 255, 255, .025);
}
:root.embedded input,
:root.embedded select,
:root.embedded textarea {
  border-color: var(--line);
  border-radius: 10px;
  background: var(--bg);
}
:root.embedded input:focus,
:root.embedded select:focus,
:root.embedded textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
:root.embedded .primary,
:root.embedded button.primary {
  color: #fff;
  background: linear-gradient(135deg, #f11d18, #c90e16);
  box-shadow: 0 10px 26px rgba(241, 29, 24, .19);
}

@media (max-width: 700px) {
  :root.embedded main { padding: 9px 9px 60px; }
  :root.embedded .tabs { overflow-x: auto; grid-template-columns: repeat(7, minmax(112px, 1fr)); }
}
:root[data-theme="light"] {
  --bg: #f3f6f8;
  --panel: #ffffff;
  --panel2: #edf2f5;
  --line: #c8d2da;
  --text: #17222c;
  --muted: #5e6d78;
  --accent: #c95e49;
  --accent2: #a86438;
  --shadow: 0 14px 35px #2637461c;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, #27384a 0, transparent 32%), var(--bg);
  color: var(--text);
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px max(18px, calc((100vw - 1180px) / 2));
  background: #0b1117e8;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #ffffff12;
}
.topbar > div {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  align-items: center;
}
.topbar-actions {
  display: flex !important;
  align-items: center;
  gap: 9px;
}
.theme-choice {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}
.theme-choice select {
  width: auto;
  min-width: 112px;
  padding: 9px 30px 9px 10px;
}
.topbar small {
  grid-column: 2;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.short-title {
  display: none;
}
.company-logo {
  grid-row: 1/3;
  width: 38px;
  height: 38px;
  filter: drop-shadow(0 4px 10px #0008);
}
main {
  max-width: 1180px;
  margin: auto;
  padding: 22px 18px 80px;
}
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  border: 1px solid #ffffff14;
  border-radius: 24px;
  background: linear-gradient(120deg, #182531, #101820);
  box-shadow: var(--shadow);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
.hero h1 {
  font-size: clamp(27px, 5vw, 46px);
  margin-bottom: 8px;
}
.hero p,
.section-title p,
.result-head p {
  color: var(--muted);
  margin: 0;
}
.tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin: 22px 0 12px;
  padding: 6px;
  background: #101820;
  border: 1px solid var(--line);
  border-radius: 15px;
}
.tabs button {
  border: 0;
  border-radius: 10px;
  padding: 12px;
  color: var(--muted);
  background: transparent;
}
.tabs button.active {
  color: #181006;
  background: var(--accent);
  font-weight: 800;
}
.panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 8px 30px #0002;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.about-panel {
  line-height: 1.55;
}
.about-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.about-heading h2,
.about-heading p {
  margin-bottom: 0;
}
.about-heading p,
.about-card p,
.about-card li,
.instruction p,
.about-footer small {
  color: var(--muted);
}
.about-logo {
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  filter: drop-shadow(0 6px 14px #0007);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 14px;
  margin: 20px 0 26px;
}
.about-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel2);
}
.about-card h3 {
  margin-bottom: 10px;
}
.about-card p,
.about-card ul {
  margin-bottom: 0;
}
.about-card ul {
  padding-left: 20px;
}
.about-card-accent {
  border-color: #c66e27;
  background: linear-gradient(135deg, #302317, #17232c);
}
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.tech-badges span {
  padding: 6px 10px;
  border: 1px solid #e88b2d80;
  border-radius: 999px;
  background: #e88b2d18;
  color: #ffc17d;
  font-size: 12px;
  font-weight: 800;
}
.instruction {
  margin-top: 8px;
}
.instruction-steps {
  display: grid;
  gap: 10px;
  padding: 0;
  counter-reset: instruction;
  list-style: none;
}
.instruction-steps li {
  position: relative;
  padding: 16px 18px 16px 62px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #101820;
  counter-increment: instruction;
}
.instruction-steps li::before {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--accent);
  color: #181006;
  font-weight: 900;
  content: counter(instruction);
}
.instruction-steps h3 {
  margin-bottom: 4px;
  font-size: 17px;
}
.instruction-steps p {
  margin-bottom: 0;
}
.about-footer {
  display: grid;
  gap: 5px;
  margin-top: 20px;
  padding: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.about-footer strong {
  color: #ffad5b;
  font-size: 18px;
}
.section-title,
.result-head,
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.rows {
  display: grid;
  gap: 10px;
}
.row {
  display: grid;
  grid-template-columns: 56px minmax(110px, 1.1fr) minmax(85px, 0.7fr) minmax(
      115px,
      1fr
    ) minmax(105px, 0.9fr) minmax(150px, 1fr) 92px 44px;
  gap: 9px;
  align-items: end;
  padding: 12px;
  border: 1px solid #ffffff10;
  border-radius: 13px;
  background: var(--panel2);
}
.part-row {
  grid-template-columns: 56px minmax(120px, 1.2fr) minmax(90px, 0.7fr) minmax(
      150px,
      1.3fr
    ) minmax(120px, 1fr) 105px 44px;
}
.splice-choice input:disabled {
  opacity: 0.35;
}
.selective-splicing .splice-choice {
  color: var(--accent2);
}
.row-number {
  align-self: center;
  text-align: center;
  color: var(--accent2);
  font-weight: 800;
}
.field {
  display: grid;
  gap: 5px;
}
.field span {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.dual {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5px;
}
.profile-picker {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px;
}
.profile-picker button {
  padding: 8px 10px;
  border: 1px solid #d07726;
  border-radius: 9px;
  background: #3a2817;
  color: #ffc27d;
  font-size: 11px;
  font-weight: 800;
}
.stock-weight-caption {
  min-height: 15px;
  color: var(--green) !important;
  font-size: 10px !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
input,
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  color: var(--text);
  background: #0c141b;
  border: 1px solid #344552;
  border-radius: 9px;
  outline: none;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #e88b2d24;
}
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  color: var(--muted);
  font-size: 12px;
}
.check input,
.switch input {
  width: auto;
}
.remove {
  width: 42px;
  height: 42px;
  border: 1px solid #783b3b;
  border-radius: 9px;
  color: #ff9292;
  background: #3b1f22;
}
.primary,
.secondary,
.ghost,
.danger,
.add {
  border-radius: 11px;
  padding: 11px 16px;
  font-weight: 800;
}
.primary {
  border: 0;
  background: linear-gradient(135deg, var(--accent), #ffad51);
  color: #1b1209;
}
.secondary,
.add {
  border: 1px solid #d07726;
  background: #3a2817;
  color: #ffc27d;
}
.ghost {
  border: 1px solid var(--line);
  background: #15212b;
  color: var(--text);
}
.danger {
  border: 1px solid #733a3f;
  background: #2d1b20;
  color: #ff9a9f;
}
.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
  margin: 14px 0;
}
.settings-grid label,
.import-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}
.switch {
  display: flex !important;
  align-items: center;
  gap: 9px;
  padding-top: 24px;
}
.switch input {
  accent-color: var(--accent);
}
details {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 15px;
}
summary {
  font-weight: 800;
  color: var(--accent2);
  cursor: pointer;
}
.import-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.import-grid input[type="file"] {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 6px;
  overflow: hidden;
}
.import-grid input[type="file"]::file-selector-button {
  margin-right: 10px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
}
#importBtn {
  margin-top: 15px;
}
.result {
  margin-top: 0;
}
.result-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.result-controls h2,
.result-controls p {
  margin-bottom: 0;
}
.result-controls p {
  margin-top: 5px;
  color: var(--muted);
}
.result-control-buttons {
  display: flex;
  gap: 9px;
  flex: 0 0 auto;
}
.result-empty {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 260px;
  margin-top: 18px;
  padding: 30px;
  border: 1px dashed var(--line);
  border-radius: 15px;
  color: var(--muted);
  text-align: center;
}
.result-empty strong {
  color: var(--text);
  font-size: 22px;
}
.result-empty span {
  margin-top: 8px;
}
.hidden {
  display: none !important;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}
.report-overview-grid {
  display: block;
}
.report-input-summary {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}
.report-input-summary h3 {
  margin-bottom: 10px;
}
.report-input-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 12px;
}
.input-table-block {
  min-width: 0;
}
.input-table-block h4 {
  margin: 0 0 6px;
  color: var(--accent2);
}
.input-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 11px;
}
.input-table th,
.input-table td {
  overflow: hidden;
  padding: 5px 6px;
  border: 1px solid var(--line);
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.input-table th {
  color: var(--muted);
  background: var(--panel2);
  font-size: 9px;
  text-transform: uppercase;
}
.technology-summary {
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
}
.print-footer {
  display: none;
}
.stat {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}
.stat strong {
  display: block;
  font-size: 23px;
  color: var(--accent2);
}
.stat span {
  font-size: 12px;
  color: var(--muted);
}
.stat .stat-cards {
  display: block;
  min-height: 1.25em;
  margin-top: 5px;
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
}
.export {
  display: flex;
  gap: 8px;
}
.bar-style-menu {
  position: relative;
  margin: 0;
  padding: 0;
  border: 0;
}
.bar-style-menu > summary {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel2);
  color: var(--muted);
  font-size: 20px;
  list-style: none;
  cursor: pointer;
}
.bar-style-menu > summary::-webkit-details-marker {
  display: none;
}
.bar-style-menu[open] > summary {
  border-color: var(--accent);
  color: var(--accent2);
}
.bar-style-menu > label {
  position: absolute;
  top: 48px;
  right: 0;
  z-index: 40;
  width: 235px;
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--muted);
  box-shadow: var(--shadow);
  font-size: 12px;
  font-weight: 800;
}
.bar-style-menu select {
  min-height: 38px;
  padding: 6px 30px 6px 9px;
}
.layouts {
  display: grid;
  gap: 15px;
}
.layout {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}
.layout-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.layout-title small {
  color: var(--muted);
}
.layout-cut-row {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.layout-diagram {
  min-width: 0;
}
.stock-multiplier {
  display: flex;
  align-items: center;
  min-width: 105px;
  height: 62px;
  color: var(--text);
  font-weight: 800;
  font-size: 16px;
  white-space: nowrap;
}
.stock-multiplier.with-caption {
  margin-top: 19px;
}
.bar {
  position: relative;
  display: flex;
  height: 62px;
  overflow: hidden;
  border: 2px solid #6e7f8c;
  border-radius: 7px;
  background: #26333e;
}
.piece {
  display: grid;
  place-items: center;
  min-width: 2px;
  border-right: 2px solid #71501f;
  background: linear-gradient(180deg, #ffd98d, #eaa958);
  color: #251708;
  font-weight: 800;
  font-size: 12px;
  overflow: hidden;
}
:root[data-bar-style="brand"] .piece {
  border-right-color: #985148;
  background: linear-gradient(145deg, #dc8176, #b85c54);
  color: #fff;
}
:root[data-bar-style="brand"] .piece:nth-child(even) {
  border-right-color: #414966;
  background: linear-gradient(145deg, #77809f, #555e7d);
}
:root[data-bar-style="gold"] .piece {
  border-right-color: #71501f;
  background: linear-gradient(180deg, #ffd98d, #eaa958);
  color: #251708;
}
:root[data-bar-style="steel"] .piece {
  border-right-color: #76838c;
  background: linear-gradient(180deg, #d9e0e4, #a5b0b7);
  color: #101820;
}
:root[data-bar-style="blue"] .piece {
  border-right-color: #3f617b;
  background: linear-gradient(180deg, #83abc6, #527c9a);
  color: #102332;
}
:root[data-bar-style="outline"] .bar {
  background: transparent;
}
:root[data-bar-style="outline"] .piece {
  border-right: 2px solid var(--text);
  background: transparent;
  color: var(--text);
}
.piece-name,
.piece-length {
  display: block;
  line-height: 1.15;
}
.piece-length.only {
  font-size: 13px;
}
.remainder {
  position: relative;
  display: grid;
  place-items: center;
  background: repeating-linear-gradient(
    135deg,
    #26333e,
    #26333e 8px,
    #2f3e49 8px,
    #2f3e49 16px
  );
  color: #c4d0d9;
  font-size: 12px;
}
.remainder.useful-remainder {
  background: repeating-linear-gradient(
    135deg,
    #174632,
    #174632 8px,
    #205a42 8px,
    #205a42 16px
  );
  color: #c9f7df;
}
.remainder-label {
  white-space: nowrap;
}
.compact-remainder-caption {
  min-height: 20px;
  margin: -5px 0 4px;
  color: var(--muted);
  text-align: right;
  font-size: 12px;
}
.cut-axis {
  position: relative;
  height: 54px;
  margin-top: 4px;
  border-top: 1px solid #526572;
  color: var(--muted);
  font:
    11px ui-monospace,
    monospace;
}
.cut-mark {
  position: absolute;
  top: 9px;
  transform: translateX(-50%);
  white-space: nowrap;
}
.cut-mark.level-1 {
  top: 27px;
}
.cut-mark.level-1::before {
  top: -28px;
  height: 25px;
}
.cut-mark::before {
  position: absolute;
  top: -10px;
  left: 50%;
  width: 1px;
  height: 7px;
  background: #718592;
  content: "";
}
.cut-mark.start {
  transform: none;
}
.cut-mark.start::before {
  left: 0;
}
.cut-mark.edge-end {
  transform: translateX(-100%);
}
.cut-mark.edge-end::before {
  left: 100%;
}
.report-text {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--panel);
}
.report-details summary {
  font-size: 18px;
}
.report-details[open] summary {
  margin-bottom: 12px;
}
pre {
  white-space: pre-wrap;
  color: #d3dde4;
  font:
    13px/1.6 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
}
#warnings .warning {
  padding: 13px;
  margin: 10px 0;
  border: 1px solid #8b4a4a;
  border-radius: 11px;
  background: #3a2023;
  color: #ffb1b1;
}
.splice-info {
  padding: 13px;
  margin: 10px 0;
  border: 1px solid #2f7355;
  border-radius: 11px;
  background: #173327;
  color: #9ce1bd;
}
dialog {
  width: min(650px, calc(100% - 24px));
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow);
}
dialog::backdrop {
  background: #000a;
}
.save-project-field {
  margin: 18px 0;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
}
.dialog-head button {
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 28px;
}
.project-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-top: 1px solid var(--line);
}
.project-actions {
  display: flex;
  gap: 8px;
}
.wide-dialog {
  width: min(850px, calc(100% - 24px));
}
.metal-picker-top,
.metal-picker-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.metal-picker-result {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(180px, 0.7fr);
  gap: 12px;
  padding: 15px;
  margin: 16px 0;
  border: 1px solid #d07726;
  border-radius: 13px;
  background: #e88b2d12;
}
.metal-picker-result div {
  display: grid;
  gap: 4px;
}
.metal-picker-result span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.metal-picker-result strong {
  color: var(--accent2);
  font-size: 18px;
}
.metal-picker-result small {
  grid-column: 1 / -1;
  color: var(--muted);
}
.metal-picker-result small.error {
  color: #ff9a9f;
}
.request-title-row {
  align-items: flex-start;
}
.request-actions,
.request-export {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.request-print-brand {
  display: none;
}
.request-meta {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 1.4fr) 140px;
  gap: 12px;
  align-items: end;
  margin: 20px 0 14px;
}
.request-date {
  display: grid;
  gap: 7px;
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel2);
}
.request-date span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.request-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.request-empty {
  padding: 34px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
}
.request-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 13px;
}
.request-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  font-size: 12px;
}
.request-table th,
.request-table td {
  padding: 10px 9px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}
.request-table th:nth-child(2),
.request-table td:nth-child(2),
.request-table th:nth-child(3),
.request-table td:nth-child(3) {
  text-align: left;
}
.request-table th {
  background: var(--panel2);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.request-table tfoot td {
  color: var(--accent2);
  font-weight: 900;
}
.request-table tfoot td:first-child {
  text-align: right;
}
.request-quantity {
  width: 78px;
  padding: 7px 8px;
  text-align: right;
}
.request-remove {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid #783b3b;
  border-radius: 8px;
  background: #3b1f22;
  color: #ff9292;
}
.request-export {
  justify-content: flex-end;
  margin-top: 16px;
}
#toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  transform: translate(-50%, 120px);
  padding: 11px 18px;
  border-radius: 999px;
  background: #edf3f7;
  color: #101820;
  font-weight: 700;
  transition: 0.25s;
  box-shadow: var(--shadow);
}
#toast.show {
  transform: translate(-50%, 0);
}
:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 85% -10%, #d9e4ec 0, transparent 32%), var(--bg);
}
:root[data-theme="light"] .topbar,
:root[data-theme="light"] .actions {
  background: #f7fafce8;
  border-color: #cdd7de;
}
:root[data-theme="light"] .hero {
  background: linear-gradient(120deg, #ffffff, #e9f0f5);
  border-color: #cdd7de;
}
:root[data-theme="light"] .tabs,
:root[data-theme="light"] .instruction-steps li {
  background: #e8eef2;
}
:root[data-theme="light"] input,
:root[data-theme="light"] select,
:root[data-theme="light"] textarea {
  background: #ffffff;
  border-color: #aebcc7;
}
:root[data-theme="light"] .ghost {
  background: #edf2f5;
}
:root[data-theme="light"] .secondary,
:root[data-theme="light"] .add {
  background: #fff1df;
  color: #7a3d08;
}
:root[data-theme="light"] .about-card-accent {
  background: linear-gradient(135deg, #fff2e2, #edf3f7);
}
:root[data-theme="light"] .tech-badges span {
  color: #7a3d08;
}
:root[data-theme="light"] pre {
  color: #25333e;
}
:root[data-theme="light"] dialog::backdrop {
  background: #24313c80;
}
@media (max-width: 820px) {
  main {
    padding: 14px 10px 76px;
  }
  .hero {
    padding: 20px;
  }
  .hero .primary {
    display: none;
  }
  .tabs {
    position: sticky;
    top: 70px;
    z-index: 9;
  }
  .row,
  .part-row {
    grid-template-columns: 42px 1fr 1fr;
  }
  .row .field:nth-of-type(n + 4),
  .part-row .field:nth-of-type(n + 4) {
    grid-column: span 1;
  }
  .row .remove,
  .part-row .remove {
    grid-column: 3;
    justify-self: end;
  }
  .settings-grid,
  .stats,
  .request-summary {
    grid-template-columns: 1fr 1fr;
  }
  .request-meta,
  .metal-picker-top,
  .metal-picker-fields {
    grid-template-columns: 1fr;
  }
  .request-title-row {
    align-items: stretch;
    flex-direction: column;
  }
  .import-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .result-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .export {
    width: 100%;
    flex-wrap: wrap;
    overflow: visible;
  }
  .bar {
    height: 54px;
  }
  .piece {
    font-size: 10px;
  }
}
@media (max-width: 500px) {
  .topbar {
    padding: 11px 12px;
  }
  .topbar > div {
    min-width: 0;
    grid-template-columns: auto 1fr;
    align-items: center;
  }
  .topbar-actions {
    gap: 5px;
  }
  .theme-choice span {
    display: none;
  }
  .theme-choice select {
    min-width: 86px;
    max-width: 92px;
    padding: 8px 24px 8px 8px;
    font-size: 12px;
  }
  .topbar strong {
    font-size: 13px;
    white-space: nowrap;
  }
  .topbar small,
  .wide-title {
    display: none;
  }
  .short-title {
    display: inline;
  }
  .company-logo {
    grid-row: auto;
    width: 32px;
    height: 32px;
  }
  #projectsBtn {
    padding: 9px 11px;
    font-size: 13px;
  }
  .hero h1 {
    font-size: 27px;
  }
  .tabs {
    top: 61px;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }
  .tabs button {
    padding: 10px 3px;
    font-size: 12px;
  }
  .panel {
    padding: 14px;
  }
  .about-heading {
    align-items: flex-start;
  }
  .about-logo {
    width: 48px;
    height: 48px;
  }
  .about-heading h2 {
    font-size: 21px;
  }
  .result-controls {
    align-items: stretch;
    flex-direction: column;
  }
  .result-control-buttons {
    display: grid;
    grid-template-columns: 1fr auto;
  }
  .report-input-grid {
    grid-template-columns: 1fr;
  }
  .about-card {
    padding: 15px;
  }
  .instruction-steps li {
    padding: 14px 14px 14px 54px;
  }
  .instruction-steps li::before {
    top: 14px;
    left: 12px;
  }
  .row,
  .part-row {
    position: relative;
    grid-template-columns: 1fr 1fr !important;
    padding: 48px 12px 12px;
  }
  .row-number {
    position: absolute;
    top: 15px;
    left: 16px;
  }
  .row .field,
  .part-row .field {
    grid-column: 1 / -1 !important;
  }
  .row > div:not(.row-number),
  .part-row > div:not(.row-number) {
    grid-column: 1;
  }
  .row .remove,
  .part-row .remove {
    grid-column: 2 !important;
    justify-self: end;
  }
  .settings-grid,
  .stats {
    grid-template-columns: 1fr 1fr;
  }
  .stat strong {
    font-size: 19px;
  }
  .actions {
    bottom: 6px;
  }
  .actions .danger {
    padding: 10px;
  }
  .layout {
    padding: 12px;
  }
  .layout-cut-row {
    gap: 7px;
  }
  .stock-multiplier {
    min-width: 78px;
    font-size: 12px;
  }
  .piece {
    font-size: 9px;
  }
  .piece-length.only {
    font-size: 10px;
  }
}
@media print {
  :root {
    color-scheme: light;
    background: #fff !important;
  }
  @page {
    size: A4 landscape;
    margin: 7mm 7mm 12mm;
    background: #fff;
  }
  html,
  body {
    background: #fff !important;
    color: #222;
  }
  .topbar,
  .hero,
  .tabs,
  .export,
  .result-controls,
  .result-empty,
  .full-input-details,
  .print-footer,
  #warnings,
  #toast,
  dialog {
    display: none !important;
  }
  main {
    width: 100%;
    max-width: none;
    padding: 0;
  }
  .result {
    display: block !important;
    margin: 0;
    padding: 0;
    border: 0;
    background: #fff;
    box-shadow: none;
  }
  .report-overview {
    break-inside: avoid;
    break-after: page;
    page-break-inside: avoid;
    page-break-after: always;
  }
  .report-overview .result-head {
    margin-bottom: 4mm;
  }
  .report-overview .result-head h2 {
    margin-bottom: 1mm;
    font-size: 22px;
  }
  .report-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 5mm;
    align-items: start;
  }
  .result-head p {
    color: #555;
    font-size: 11px;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 2mm;
    margin: 0;
  }
  .stat {
    min-height: 16mm;
    padding: 2.2mm 3mm;
  }
  .stat strong {
    font-size: 17px;
  }
  .stat span {
    font-size: 10px;
  }
  .stat .stat-cards {
    margin-top: 1mm;
    font-size: 9px;
  }
  .production-summary {
    align-self: stretch;
    margin: 0;
    padding: 3mm;
  }
  .production-summary pre {
    margin: 0;
    font-size: 10.5px;
    line-height: 1.38;
  }
  .report-input-summary {
    margin-top: 3mm;
    padding: 2.5mm;
    break-inside: avoid;
    border-color: #999;
    background: #fff;
  }
  .report-input-summary h3 {
    margin-bottom: 1.5mm;
    font-size: 13px;
  }
  .report-input-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 3mm;
  }
  .input-table-block h4 {
    margin-bottom: 1mm;
    color: #222;
    font-size: 10px;
  }
  .input-table {
    font-size: 8px;
  }
  .input-table th,
  .input-table td {
    padding: 1mm 1.3mm;
    border-color: #aaa;
  }
  .input-table th {
    color: #444;
    background: #f0f0f0;
    font-size: 7px;
  }
  .technology-summary {
    margin-top: 1.5mm;
    color: #333;
    font-size: 8px;
  }
  .report-overview.dense-input .input-table {
    font-size: 7px;
  }
  .report-overview.dense-input .input-table th,
  .report-overview.dense-input .input-table td {
    padding: 0.65mm 1mm;
  }
  .report-overview.ultra-dense-input .stat {
    min-height: 14mm;
    padding: 1.7mm 2.5mm;
  }
  .report-overview.ultra-dense-input .stat strong {
    font-size: 15px;
  }
  .report-overview.ultra-dense-input .production-summary pre {
    font-size: 9px;
    line-height: 1.25;
  }
  .report-overview.ultra-dense-input .input-table {
    font-size: 6px;
  }
  .report-overview.ultra-dense-input .input-table th,
  .report-overview.ultra-dense-input .input-table td {
    padding: 0.4mm 0.8mm;
  }
  .report-overview.ultra-dense-input .technology-summary {
    font-size: 7px;
  }
  .stat,
  .layout,
  .report-text {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    break-inside: avoid;
    border-color: #999;
    background: white;
  }
  .layout {
    width: calc(100% - 10mm);
    margin-right: auto;
    margin-left: auto;
    padding: 3mm;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .layouts {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    gap: 3mm;
  }
  .layout-title {
    margin-bottom: 2mm;
    font-size: 12px;
  }
  .layout-title small {
    font-size: 10px;
  }
  .layout-cut-row {
    grid-template-columns: 28mm minmax(0, 1fr);
    gap: 4mm;
  }
  .layout-diagram,
  .bar,
  .cut-axis {
    box-sizing: border-box;
    min-width: 0;
    max-width: 100%;
  }
  .stock-multiplier {
    min-width: 0;
    height: 48px;
    color: #000 !important;
    opacity: 1 !important;
    font-weight: 900;
    font-size: 14px;
    font-family: Arial, sans-serif;
    -webkit-text-fill-color: #000;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
  .stat span,
  .layout-title small,
  .cut-axis {
    color: #555;
  }
  .bar {
    height: 48px;
    border-color: #555;
  }
  .piece,
  .piece-length.only {
    font-size: 10px;
  }
  .cut-axis {
    height: 41px;
    font-size: 9px;
  }
  .cut-mark.level-1 {
    top: 23px;
  }
  .remainder {
    background: #eee;
    color: #333;
  }
  .remainder.useful-remainder {
    background: #dff3e8;
    color: #173f2d;
  }
  pre {
    color: #222;
  }
  .report-text {
    margin-top: 3mm;
    padding: 3mm;
  }
  .report-text pre {
    margin: 0;
    font-size: 10px;
    line-height: 1.35;
  }
  .report-details > pre {
    display: block !important;
  }
  .piece {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}

@media print {
  body.print-metal-request main > :not(#metalRequest) {
    display: none !important;
  }
  body.print-metal-request #metalRequest {
    display: block !important;
    padding: 0;
    border: 0;
    background: #fff;
    color: #222;
    box-shadow: none;
  }
  body.print-metal-request .request-title-row {
    display: block;
    margin-bottom: 4mm;
    text-align: center;
  }
  body.print-metal-request .request-title-row h2 {
    margin-bottom: 1mm;
    font-size: 22px;
  }
  body.print-metal-request .request-title-row p {
    color: #555;
    font-size: 10px;
  }
  body.print-metal-request .request-print-brand {
    display: flex;
    justify-content: space-between;
    padding-bottom: 2mm;
    margin-bottom: 3mm;
    border-bottom: 0.4mm solid #777;
    color: #222;
    font-size: 10px;
  }
  body.print-metal-request .request-meta {
    grid-template-columns: 1fr 1.3fr 34mm;
    gap: 3mm;
    margin: 0 0 3mm;
  }
  body.print-metal-request .request-meta input {
    padding: 1.5mm 2mm;
    border: 0.3mm solid #999;
    background: #fff;
    color: #222;
    font-size: 10px;
  }
  body.print-metal-request .request-date {
    min-height: 0;
    padding: 1.5mm 2mm;
    border-color: #999;
    background: #fff;
    color: #222;
    font-size: 10px;
  }
  body.print-metal-request .request-summary {
    grid-template-columns: repeat(4, 1fr);
    gap: 2mm;
    margin-bottom: 3mm;
  }
  body.print-metal-request .request-summary .stat {
    min-height: 0;
    padding: 2mm;
    border-color: #999;
  }
  body.print-metal-request .request-summary .stat strong {
    font-size: 15px;
  }
  body.print-metal-request .request-summary .stat span {
    font-size: 8px;
  }
  body.print-metal-request .request-table-wrap {
    overflow: visible;
    border-color: #777;
  }
  body.print-metal-request .request-table {
    color: #222;
    font-size: 8px;
  }
  body.print-metal-request .request-table th,
  body.print-metal-request .request-table td {
    padding: 1.5mm 1.2mm;
    border-color: #999;
    color: #222;
  }
  body.print-metal-request .request-table th {
    background: #eee;
    font-size: 7px;
  }
  body.print-metal-request .request-table tfoot td {
    color: #222;
  }
  body.print-metal-request .request-quantity {
    padding: 0;
    border: 0;
    background: transparent;
    color: #222;
    font-size: 8px;
  }
  body.print-metal-request .no-print,
  body.print-metal-request .request-empty {
    display: none !important;
  }
}