/* CSS Obfuscation Lab — shared presentation styles.
   Experimental obfuscation rules belong in each HTML page, not here. */
:root {
  color-scheme: light;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #1c2938;
  background: #f5f7fa;
  --color-accent: #334eaa;
  --color-accent-hover: #253e91;
  --color-border: #dce2e9;
  --color-muted: #526175;
  --color-code-bg: #f2f5fa;
  --color-code-dark: #192439;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.04em;
}
h2 {
  margin: 0 0 16px;
  font-size: 1.1rem;
}
p {
  line-height: 1.6;
}

.eyebrow {
  color: #475ca7;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.intro {
  color: #4d5d6c;
  margin-bottom: 32px;
}

.card,
.panel {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 26px;
  background: #fff;
}
.card {
  margin-bottom: 16px;
}
.panel {
  margin-top: 16px;
}

.product-name {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 650;
}
.product-description {
  margin: 0 0 22px;
  font-size: 0.9rem;
  color: #657384;
}
.price-label {
  margin: 0 0 4px;
  font-size: 0.85rem;
  color: #566679;
}

button {
  margin-top: 22px;
  padding: 11px 16px;
  border: 0;
  border-radius: 9px;
  background: var(--color-accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
button:hover {
  background: var(--color-accent-hover);
}
button:focus-visible {
  outline: 3px solid #f7ab2b;
  outline-offset: 3px;
}

.data-row {
  margin: 13px 0;
}
.data-row strong {
  display: block;
  margin-bottom: 5px;
  font-size: 0.9rem;
}
.data-row code,
pre {
  font-family:
    ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}
.data-row code {
  display: block;
  background: var(--color-code-bg);
  padding: 12px;
  border-radius: 8px;
}
pre {
  overflow-x: auto;
  background: var(--color-code-dark);
  color: #eef2f8;
  padding: 18px;
  border-radius: 10px;
  line-height: 1.6;
}
.note {
  font-size: 0.92rem;
  color: var(--color-muted);
}
.warning {
  border-left: 3px solid #bc7929;
  padding-left: 14px;
  margin-top: 20px;
}
.status {
  margin: 10px 0 0;
  color: #536479;
  font-size: 0.9rem;
}