* {
  box-sizing: border-box;
}

:root {
  --bg: #ffffff;
  --card: #ffffff;
  --text: #151515;
  --muted: #666;
  --border: #dcdcdc;
  --soft: #eeeeea;
  --accent: #111;
  --ok: #1b7f3a;
  --error: #9b1c1c;
  --warning: #7a4b00;
}

body {
  margin: 0;
  font-family: "DIN W01 Regular", "DIN Next W01 Regular", "DIN 2014", "DIN Alternate", "Arial Narrow", Arial, sans-serif;
  background: rgb(255, 255, 255);
  color: var(--text);
}

.page {
  width: min(1500px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}

.top-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  margin-bottom: 34px;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: 32px;
  width: auto;
}

.top-brand .header-link,
.top-brand .header-link:link,
.top-brand .header-link:visited,
.top-brand .header-link:hover,
.top-brand .header-link:active {
  margin-left: auto;
  color: #000;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.01em;
  font-weight: 600;
}

.hero {
  display: flex;
  justify-content: flex-start;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: var(--muted);
}

h1 {
  font-size: 70px;
  line-height: 0.95;
  letter-spacing: -0.055em;
  margin: 0;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 0;
}

.status-card {
  flex: 0 0 260px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.status-card small {
  display: block;
  color: var(--muted);
  margin-top: 3px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #999;
}

.status-dot.ok { background: var(--ok); }
.status-dot.bad { background: #b42318; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 24px;
  align-items: start;
}

.main-column,
.side-column {
  display: grid;
  gap: 18px;
}

.side-column {
  position: sticky;
  top: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.card p {
  color: var(--muted);
  line-height: 1.45;
}

.upload-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}

.upload-card p {
  margin: 0;
}

.upload-drop {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 180px;
  border: 2px dashed #bcbcbc;
  border-radius: 22px;
  padding: 34px;
  background: #fafafa;
  cursor: pointer;
  text-align: center;
  font-weight: 850;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.upload-drop input {
  display: none;
}

.upload-drop span {
  font-size: 22px;
  letter-spacing: -0.02em;
}

.upload-drop small {
  color: var(--muted);
  font-weight: 500;
}

.upload-drop.drag-over {
  border-color: var(--ok);
  background: #e8f5ec;
  transform: translateY(-1px);
  outline: 4px solid rgba(27, 127, 58, 0.12);
}

.empty-parts {
  text-align: center;
  padding: 52px 24px;
}

.empty-parts p {
  margin-bottom: 0;
}

.parts-list {
  display: grid;
  gap: 14px;
}

.part-card {
  display: grid;
  grid-template-columns: 32px 128px 1fr;
  gap: 18px;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 5px solid #f28c28;
  border-radius: 22px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.part-card.done {
  border-left-color: var(--ok);
}

.part-card.error {
  border-left-color: var(--error);
}

.part-card.inactive {
  opacity: 0.55;
}

.part-check {
  padding-top: 8px;
}

.part-check input {
  width: 20px;
  height: 20px;
}

.part-preview {
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 128px;
  height: 128px;
  display: grid;
  place-items: center;
  background: #fafafa;
}

.preview-shape {
  width: 76px;
  height: 76px;
  border: 2px solid #999;
  display: grid;
  place-items: center;
  color: #999;
  font-weight: 900;
  font-size: 13px;
}

.part-title-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.part-name {
  margin: 3px 0 4px;
  font-size: 22px;
  letter-spacing: -0.03em;
  word-break: break-word;
}

.part-subtitle {
  margin: 0;
  color: var(--muted);
}

.remove-button,
.secondary-button {
  background: var(--soft);
  color: var(--text);
  border: 1px solid var(--border);
}

.part-specs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px 130px;
  gap: 12px;
  margin-top: 16px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  font-weight: 750;
}

input,
select,
button,
textarea {
  font: inherit;
}

input[type="number"],
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 13px 14px;
  background: #fff;
  min-width: 0;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.35;
  color: var(--text);
}

.consent-row input {
  width: auto;
  min-width: 16px;
  margin-top: 3px;
}

.consent-row a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-note {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
}

.privacy-note a {
  color: inherit;
  text-decoration: underline;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 850;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

#calculateButton,
#sendInquiryButton {
  width: 100%;
  background: var(--accent);
  color: white;
  margin-top: 10px;
}

#clearButton {
  width: 100%;
  margin-top: 10px;
}

.part-result {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.part-result > div {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fbfbfa;
}

.part-result small {
  display: block;
  color: var(--muted);
  margin-bottom: 5px;
}

.part-result strong {
  font-size: 16px;
}

.part-warnings {
  margin-top: 14px;
  padding: 12px;
  background: #fff8e8;
  color: var(--warning);
  border: 1px solid #f2c879;
  border-radius: 14px;
  line-height: 1.4;
}

.summary-empty {
  padding: 18px;
  background: var(--soft);
  color: var(--muted);
  border-radius: 16px;
  line-height: 1.45;
}

.summary-lines {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.summary-lines div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.summary-lines div:last-child {
  border-bottom: 0;
}

.summary-lines dt {
  color: var(--muted);
}

.summary-lines dd {
  margin: 0;
  font-weight: 850;
  text-align: right;
}

.summary-total {
  margin: 16px 0;
  padding: 22px;
  border-radius: 20px;
  background: var(--accent);
  color: white;
  display: grid;
  gap: 6px;
}

.summary-total span {
  opacity: 0.75;
}

.summary-total strong {
  font-size: clamp(34px, 4vw, 48px);
  letter-spacing: -0.05em;
}

.summary-breakdown {
  margin-top: 14px;
}

.summary-breakdown summary {
  cursor: pointer;
  font-weight: 850;
  margin-bottom: 10px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 10px;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
}

.advanced {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  margin: 14px 0;
  background: var(--soft);
}

.advanced summary {
  cursor: pointer;
  font-weight: 850;
}

.advanced label {
  margin-top: 14px;
  margin-bottom: 0;
}

.status-text {
  color: var(--muted);
  line-height: 1.45;
  margin: 12px 0 0;
}

.status-text.ok {
  color: var(--ok);
  font-weight: 750;
}

.status-text.warn {
  color: var(--warning);
  font-weight: 750;
}

.status-text.error {
  color: var(--error);
  font-weight: 750;
}

.inquiry-card.disabled {
  opacity: 0.72;
}

.inquiry-card.disabled input,
.inquiry-card.disabled textarea {
  pointer-events: none;
}

.honeypot {
  display: none !important;
}

.hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .layout,
  .upload-card,
  .hero {
    grid-template-columns: 1fr;
    display: grid;
  }

  .side-column {
    position: static;
  }

  .part-specs {
    grid-template-columns: 1fr 1fr;
  }

  .part-specs label:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 20px, 1500px);
    padding: 20px 0;
  }

  .part-card {
    grid-template-columns: 28px 1fr;
  }

  .part-preview {
    grid-column: 2;
    width: 100%;
    height: 90px;
  }

  .part-body {
    grid-column: 1 / -1;
  }

  .part-title-row {
    display: grid;
  }

  .part-specs,
  .part-result {
    grid-template-columns: 1fr;
  }

  .part-specs label:last-child {
    grid-column: auto;
  }
}


.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
}

.app-footer .status-dot {
  width: 8px;
  height: 8px;
}

.app-footer #apiVersion {
  opacity: 0.75;
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 24px, 1500px);
    padding-top: 24px;
  }

  .top-brand {
    margin-bottom: 28px;
  }

  .brand-logo {
    height: 23px;
  }

  .top-brand .header-link,
  .top-brand .header-link:link,
  .top-brand .header-link:visited,
  .top-brand .header-link:hover,
  .top-brand .header-link:active {
    font-size: 14px;
    color: #000;
    text-decoration: none;
  }

  h1 {
    font-size: 30px;
    letter-spacing: -0.035em;
  }
}

.legal-page {
  max-width: 980px;
}

.legal-card {
  max-width: 860px;
  padding: 48px 0;
}

.legal-card h1 {
  font-size: 54px;
  margin-bottom: 28px;
}

.legal-card p {
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
}

.legal-card a {
  color: inherit;
}

.legal-card .button {
  display: inline-flex;
  margin-top: 16px;
  text-decoration: none;
}