:root {
  color-scheme: light dark;
  --page: #f1f4f8;
  --surface: #fbfcfe;
  --surface-subtle: #f5f7fa;
  --surface-strong: #e8edf4;
  --text: #172033;
  --text-muted: #58657a;
  --line: #cdd5e1;
  --line-strong: #aeb9c8;
  --accent: #1f5fbf;
  --accent-hover: #194f9f;
  --accent-soft: #e4edfb;
  --success: #26724e;
  --success-soft: #e3f3ea;
  --warning: #805a16;
  --warning-soft: #f8edcf;
  --danger: #a23535;
  --danger-soft: #f9e7e7;
  --shadow: 0 16px 44px rgb(35 54 82 / 0.09);
  --radius: 12px;
  --radius-control: 8px;
  font-family: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  font-synthesis: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #111722;
    --surface: #182130;
    --surface-subtle: #202b3b;
    --surface-strong: #293648;
    --text: #edf2f8;
    --text-muted: #afbbca;
    --line: #38465a;
    --line-strong: #526177;
    --accent: #76a9f1;
    --accent-hover: #91baf3;
    --accent-soft: #203b61;
    --success: #76c49c;
    --success-soft: #1d3d30;
    --warning: #e3c06f;
    --warning-soft: #493b1d;
    --danger: #f19b9b;
    --danger-soft: #4a292d;
    --shadow: 0 18px 48px rgb(3 8 16 / 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  min-height: 100dvh;
  margin: 0;
  color: var(--text);
  background: var(--page);
  font-size: 15px;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 6px;
  font-size: 1.15rem;
  line-height: 1.25;
}

h3 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius-control);
  color: #f7f9fc;
  background: #234d84;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.topbar {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.account {
  display: flex;
  align-items: center;
  gap: 16px;
}

.account-email {
  color: var(--text-muted);
  font-size: 13px;
}

.workspace {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 68px) clamp(18px, 4vw, 48px) 72px;
}

.workspace-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.workspace-heading > p:last-child {
  max-width: 64ch;
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 16px;
}

.workspace-context,
.auth-kicker {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(330px, 0.72fr) minmax(520px, 1.28fr);
  gap: 22px;
  align-items: start;
}

.lookup-panel,
.result-panel,
.auth-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.lookup-panel {
  padding: 24px;
}

.result-panel {
  min-height: 560px;
  padding: 24px;
}

.panel-heading,
.pdf-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.panel-heading {
  margin-bottom: 22px;
}

.panel-heading p,
.pdf-heading p,
.auth-panel-heading p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.lookup-form {
  display: grid;
  gap: 26px;
}

fieldset {
  display: grid;
  min-width: 0;
  gap: 17px;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  width: 100%;
  margin-bottom: 15px;
  padding: 0 0 9px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--text);
  font-size: 13px;
  font-weight: 680;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  outline: 0;
  color: var(--text);
  background: var(--surface-subtle);
  transition: border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

input {
  min-height: 43px;
  padding: 9px 11px;
}

textarea {
  min-height: 96px;
  padding: 10px 11px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--text-muted) 82%, var(--surface));
}

input:hover,
textarea:hover {
  border-color: var(--text-muted);
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.input-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.helper {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  padding: 9px 15px;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.button.primary {
  color: #f8fafc;
  background: var(--accent);
}

.button.primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button.secondary {
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--surface-strong);
}

.button.secondary:hover:not(:disabled) {
  border-color: var(--text-muted);
}

.button.text {
  min-height: 38px;
  color: var(--accent);
  background: transparent;
}

.button.compact {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 12px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.state-label {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: var(--radius-control);
  padding: 4px 9px;
  color: var(--text-muted);
  background: var(--surface-strong);
  font-size: 11px;
  font-weight: 760;
  white-space: nowrap;
}

.state-label[data-state="running"] {
  color: var(--warning);
  background: var(--warning-soft);
}

.state-label[data-state="success"] {
  color: var(--success);
  background: var(--success-soft);
}

.state-label[data-state="error"] {
  color: var(--danger);
  background: var(--danger-soft);
}

.status-message {
  margin-bottom: 18px;
  border-left: 3px solid var(--line-strong);
  padding: 9px 11px;
  color: var(--text-muted);
  background: var(--surface-subtle);
  font-size: 13px;
}

.status-message[data-state="running"] {
  border-color: var(--warning);
}

.status-message[data-state="success"] {
  border-color: var(--success);
}

.status-message[data-state="error"] {
  border-color: var(--danger);
  color: var(--danger);
}

.result-content:empty {
  display: none;
}

.result-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
}

.result-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 12px;
}

.result-table th,
.result-table td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.result-table th {
  color: var(--text-muted);
  background: var(--surface-subtle);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.result-table tr:last-child td {
  border-bottom: 0;
}

.part-number {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-weight: 760;
}

.evidence {
  max-width: 58ch;
  margin: 12px 0 22px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
  background: var(--surface-subtle);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.pdf-trigger {
  min-height: 0;
  padding: 0;
  border: 0;
  color: var(--accent);
  background: transparent;
  font-weight: 720;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.pdf-viewer {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.pdf-viewer[hidden],
.pdf-image[hidden] {
  display: none;
}

.pdf-heading {
  margin-bottom: 13px;
}

.pdf-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: #f7f9fc;
}

.auth-shell {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: 24px;
}

.auth-layout {
  display: grid;
  width: min(980px, 100%);
  grid-template-columns: 1.12fr 0.88fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.auth-intro {
  display: flex;
  min-height: 560px;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  padding: clamp(30px, 5vw, 56px);
  color: #edf3fb;
  background: #173a66;
}

.auth-intro .brand {
  color: #edf3fb;
}

.auth-intro .brand-mark {
  background: #edf3fb;
  color: #173a66;
}

.auth-intro h1 {
  max-width: 12ch;
  font-size: clamp(2.3rem, 5vw, 4.35rem);
}

.auth-intro > div > p:last-child {
  max-width: 48ch;
  margin-bottom: 0;
  color: #cbd8e8;
}

.auth-intro .auth-kicker {
  color: #a9c9f1;
}

.auth-boundary {
  max-width: 54ch;
  margin: 0;
  color: #b9c9dc;
  font-size: 12px;
}

.auth-panel {
  align-self: center;
  margin: 24px;
  padding: 30px;
  box-shadow: none;
}

.auth-panel-heading {
  margin-bottom: 24px;
}

.form-stack {
  display: grid;
  gap: 18px;
}

.form-stack .button.primary {
  margin-top: 4px;
}

.secondary-form {
  margin-top: 10px;
  text-align: center;
}

.authorization-details {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
}

.authorization-details > div {
  display: grid;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  padding: 12px 14px;
  background: var(--surface-subtle);
}

.authorization-details dt {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.authorization-details dd {
  margin: 0;
  font-weight: 680;
}

.authorization-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.notice {
  margin-bottom: 18px;
  border-radius: var(--radius-control);
  padding: 10px 12px;
  font-size: 13px;
}

.notice.error {
  color: var(--danger);
  background: var(--danger-soft);
}

.notice.success {
  color: var(--success);
  background: var(--success-soft);
}

@media (max-width: 980px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .result-panel {
    min-height: 420px;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
  }

  .account {
    align-items: flex-end;
    flex-direction: column;
    gap: 2px;
  }

  .account-email {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .workspace {
    padding-bottom: 40px;
  }

  .workspace-heading {
    margin-bottom: 24px;
  }

  .lookup-panel,
  .result-panel {
    padding: 18px;
  }

  .input-action {
    grid-template-columns: 1fr;
  }

  .panel-heading,
  .pdf-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .result-heading {
    flex-direction: row;
  }

  .auth-shell {
    display: block;
    padding: 0;
  }

  .auth-layout {
    min-height: 100dvh;
    grid-template-columns: 1fr;
    border: 0;
    border-radius: 0;
  }

  .auth-intro {
    min-height: auto;
    gap: 30px;
    padding: 30px 22px;
  }

  .auth-intro h1 {
    max-width: 14ch;
    font-size: 2.5rem;
  }

  .auth-panel {
    width: auto;
    margin: 18px;
    padding: 22px;
  }
}

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