:root {
  --color-ink: oklch(0.24 0.025 285);
  --color-muted: oklch(0.51 0.03 285);
  --color-subtle: oklch(0.96 0.014 285);
  --color-border: oklch(0.88 0.025 285);
  --color-primary: oklch(0.533 0.125 294.3);
  --color-primary-dark: oklch(0.43 0.12 294.3);
  --color-primary-soft: oklch(0.94 0.035 294.3);
  --color-success: oklch(0.55 0.13 158);
  --color-danger: oklch(0.55 0.16 25);
  --shadow-soft: 0 12px 34px oklch(0.24 0.025 285 / 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-ink);
  background: #fff;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; background: var(--color-subtle); }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid oklch(0.7 0.15 294.3 / .55); outline-offset: 2px; }

.page-login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 440px); padding: 40px; background: #fff; border: 1px solid var(--color-border); border-radius: 20px; box-shadow: var(--shadow-soft); }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; color: #fff; background: var(--color-primary); font-weight: 800; letter-spacing: .06em; }
.brand { color: var(--color-ink); font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.eyebrow { margin: 0 0 8px; color: var(--color-primary-dark); text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 750; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(28px, 4vw, 40px); line-height: 1.05; letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 20px; letter-spacing: -.02em; }
h3 { margin-bottom: 14px; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); }
.muted { color: var(--color-muted); }
.stack { display: grid; gap: 16px; margin-top: 28px; }
.field { display: grid; gap: 7px; color: var(--color-muted); font-size: 13px; font-weight: 650; }
.field input { width: 100%; padding: 12px 13px; color: var(--color-ink); background: #fff; border: 1px solid var(--color-border); border-radius: 10px; }
.field input::placeholder { color: oklch(0.68 0.025 285); }
.button { min-height: 42px; padding: 10px 16px; border: 1px solid transparent; border-radius: 10px; font-weight: 700; transition: background-color .15s ease, border-color .15s ease, transform .15s ease; }
.button:active { transform: translateY(1px); }
.button:disabled { cursor: wait; opacity: .55; }
.button-primary { color: #fff; background: var(--color-primary); }
.button-primary:hover { background: var(--color-primary-dark); }
.button-secondary { color: var(--color-primary-dark); background: var(--color-primary-soft); border-color: oklch(0.86 0.07 294.3); }
.button-secondary:hover { background: oklch(0.9 0.05 294.3); }
.button-quiet { min-height: 34px; padding: 6px 10px; color: var(--color-muted); background: transparent; }
.button-quiet:hover { color: var(--color-ink); background: var(--color-subtle); }
.form-error { margin: 0; color: var(--color-danger); font-size: 13px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 64px; padding: 0 clamp(20px, 5vw, 72px); background: #fff; border-bottom: 1px solid var(--color-border); }
.topbar-actions { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.workspace { width: min(100% - 40px, 1040px); margin: 0 auto; padding: 56px 0 80px; }
.intro { max-width: 650px; margin-bottom: 32px; }
.intro h1 { margin-bottom: 12px; }
.intro p:last-child { margin-bottom: 0; line-height: 1.55; }
.panel { padding: clamp(20px, 4vw, 32px); background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: 0 5px 20px oklch(0.24 0.025 285 / .04); }
.panel + .panel { margin-top: 16px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.lookup-form { display: flex; gap: 10px; }
.field-grow { flex: 1; }
.status-pill { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.status-neutral { color: var(--color-muted); background: var(--color-subtle); }
.status-loading { color: var(--color-primary-dark); background: var(--color-primary-soft); }
.status-success { color: oklch(0.36 0.09 158); background: oklch(0.92 0.045 158); }
.status-danger { color: oklch(0.42 0.13 25); background: oklch(0.94 0.05 25); }
.mono { color: var(--color-muted); font: 600 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.preview-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.data-list { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; margin: 0; font-size: 14px; }
.data-list dt { color: var(--color-muted); }
.data-list dd { margin: 0; font-weight: 650; }
.service-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.service-item { display: flex; justify-content: space-between; gap: 14px; padding: 11px 12px; background: var(--color-subtle); border-radius: 9px; font-size: 13px; }
.service-name { font-weight: 650; }
.service-code { color: var(--color-primary-dark); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }
.panel-divider { height: 1px; margin: 28px 0 20px; background: var(--color-border); }
.order-form { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.checkbox-field { display: flex; align-items: flex-start; gap: 9px; color: var(--color-muted); font-size: 13px; line-height: 1.4; }
.checkbox-field input { margin-top: 2px; accent-color: var(--color-primary); }
.result-panel { display: flex; align-items: flex-start; gap: 18px; }
.result-icon { display: grid; flex: 0 0 42px; place-items: center; width: 42px; height: 42px; color: #fff; background: var(--color-success); border-radius: 50%; font-weight: 900; }
.result-panel h2 { margin-bottom: 9px; }
.result-panel p { line-height: 1.5; }

@media (max-width: 700px) {
  .login-card { padding: 28px 22px; }
  .workspace { width: min(100% - 28px, 1040px); padding-top: 36px; }
  .topbar { padding: 0 14px; }
  .topbar-actions .muted { display: none; }
  .lookup-form, .order-form { align-items: stretch; flex-direction: column; }
  .preview-grid { grid-template-columns: 1fr; gap: 24px; }
  .panel-heading { margin-bottom: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}