@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: light;
  --paper: #f3f0e9;
  --panel: #fffefa;
  --ink: #20231f;
  --muted: #74776f;
  --line: #d9d7ce;
  --orange: #e85c32;
  --orange-dark: #c6401c;
  --green: #b7d35a;
  --deep-green: #28352d;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 48px 28px 32px;
  color: var(--ink);
  background-color: var(--paper);
  background-image: linear-gradient(rgba(32, 35, 31, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 35, 31, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: var(--sans);
}

.container {
  width: min(100%, 1240px);
  margin: 0 auto;
}

header {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 0 0 27px;
  border-bottom: 1px solid var(--ink);
}

header::before {
  display: block;
  position: absolute;
  top: -22px;
  left: 0;
  color: var(--orange-dark);
  content: "FIELD NOTES  /  DEVICE DIAGNOSTICS";
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
}

header h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.95;
}

header p {
  max-width: 290px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 22px;
  padding-top: 24px;
}

main.has-results {
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
}

.input-section,
.result-card {
  min-width: 0;
  border: 1px solid var(--ink);
  border-radius: 3px;
}

.input-section {
  position: sticky;
  top: 20px;
  padding: 18px;
  background: var(--panel);
  box-shadow: 5px 5px 0 var(--ink);
}

textarea {
  display: block;
  width: 100%;
  min-height: 270px;
  margin: 0 0 14px;
  padding: 15px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 2px;
  outline: none;
  background: #f8f6f0;
  color: var(--deep-green);
  font: 12px/1.65 var(--mono);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea::placeholder {
  color: #99998f;
}

textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(232, 92, 50, 0.12);
}

.field-label {
  display: block;
  margin: 0 0 7px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
}

.field-help {
  margin: -7px 0 16px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

#accessToken {
  width: 100%;
  min-height: 42px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #f8f6f0;
  color: var(--deep-green);
  font: 12px var(--mono);
}

#accessToken:focus {
  border-color: var(--orange);
  outline: 3px solid rgba(232, 92, 50, 0.12);
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 9px;
}

.btn {
  min-height: 46px;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  font: 700 0.78rem/1 var(--sans);
  letter-spacing: 0.015em;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.btn.primary {
  border-color: var(--orange);
  background: var(--orange);
  color: #fffefa;
}

.btn.primary:hover {
  border-color: var(--orange-dark);
  background: var(--orange-dark);
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
}

.btn.secondary:hover {
  background: var(--green);
}

.upload-button {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

#fileInput {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

#fileInput:focus-visible + .upload-button {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.result-card {
  padding: clamp(20px, 3vw, 34px);
  background: var(--deep-green);
  color: #f7f5eb;
  box-shadow: 5px 5px 0 var(--green);
}

.result-card.hidden {
  display: none;
}

.result-card h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 8px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.045em;
}

.result-card h2::before {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.result-summary {
  margin: 0 0 22px;
  color: #b4beb4;
  font: 11px/1.5 var(--mono);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.info-item {
  min-width: 0;
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  padding: 13px;
  border: 1px solid rgba(247, 245, 235, 0.2);
  background: rgba(0, 0, 0, 0.08);
}

.info-item .label {
  color: #aab6ab;
  font: 10px/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.055em;
}

.info-item .value {
  overflow-wrap: anywhere;
  font-size: 0.98rem;
  font-weight: 700;
}

.badge {
  color: var(--green);
  font-family: var(--mono);
}

.diagnostic-box,
.solution-box {
  margin-bottom: 10px;
  padding: 15px 17px;
  border: 1px solid rgba(247, 245, 235, 0.2);
  border-left: 3px solid var(--orange);
  background: rgba(0, 0, 0, 0.12);
}

.solution-box {
  border-left-color: var(--green);
}

.diagnostic-box h3,
.solution-box h3 {
  margin: 0 0 6px;
  color: #b4beb4;
  font: 500 10px/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.diagnostic-box p,
.solution-box p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.findings-section {
  margin-top: 26px;
}

.findings-section h3 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 600;
}

.findings-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.finding-item,
.finding-empty {
  min-width: 0;
  padding: 15px;
  border: 1px solid rgba(247, 245, 235, 0.2);
  background: rgba(0, 0, 0, 0.1);
}

.finding-item p {
  margin: 9px 0 0;
  color: #d9dfd6;
  font-size: 0.87rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.finding-item p:first-of-type {
  color: #aeb9ae;
  font: 10px/1.5 var(--mono);
}

.finding-item small {
  display: block;
  margin-top: 12px;
  color: #aeb9ae;
  font-size: 0.72rem;
  line-height: 1.5;
}

.finding-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.finding-heading strong {
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.finding-empty {
  color: #aeb9ae;
  font-size: 0.85rem;
}

.watermark {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 34px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.04em;
}

.watermark p {
  margin: 0;
}

.watermark strong {
  color: var(--orange-dark);
}

.watermark a {
  color: var(--deep-green);
  font-weight: 600;
  text-decoration: none;
}

.watermark a:hover {
  text-decoration: underline;
}

@media (max-width: 820px) {
  body {
    padding: 42px 20px 24px;
  }

  main {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  main.has-results {
    grid-template-columns: minmax(0, 1fr);
  }

  .input-section {
    position: static;
  }

  textarea {
    min-height: 210px;
  }
}

@media (max-width: 520px) {
  body {
    padding: 38px 14px 20px;
    background-size: 24px 24px;
  }

  header {
    display: block;
    padding-bottom: 20px;
  }

  header p {
    margin-top: 13px;
  }

  .input-section {
    padding: 13px;
  }

  .actions {
    grid-template-columns: 1fr;
  }

  .result-card {
    padding: 18px 14px;
  }

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

  .info-item:last-child {
    grid-column: 1 / -1;
  }

  .finding-heading {
    flex-direction: column;
    gap: 7px;
  }

  .watermark {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}