/* Minimal brand-agnostic style for the tier-4 download page.
 * The page is intentionally text-heavy and offers only one action
 * (download bundle.tar.age); decryption happens off-platform.        */

:root {
  --bg: #fafafa;
  --fg: #111;
  --muted: #555;
  --accent: #1c5dab;
  --warn: #8a4f00;
  --warn-bg: #fff4d6;
  --code-bg: #f1f1f1;
  --border: #ddd;
  --footer-bg: #1e293b;
  --footer-fg: #e2e8f0;
  --header-fg: #0f172a;
}
html[data-brand="polartape"] {
  --accent: #2563eb;
  --header-fg: #1e293b;
  --footer-bg: #1e293b;
  --footer-fg: #e2e8f0;
}
html[data-brand="digitointipiste"] {
  --accent: #4a7d1e;
  --header-fg: #000000;
  --footer-bg: #111827;
  --footer-fg: #d1d5db;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.55;
}
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.shell-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  background: var(--bg);
}
.shell-wordmark {
  color: var(--header-fg);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}
.shell-main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
h1 {
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
  color: var(--accent);
}
h2 {
  font-size: 1.15rem;
  margin-top: 1.8rem;
}
p,
li {
  margin: 0.55rem 0;
}
.warning {
  background: var(--warn-bg);
  color: var(--warn);
  border-left: 4px solid var(--warn);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}
pre,
code.cli {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
}
pre {
  padding: 0.75rem 1rem;
  overflow-x: auto;
  white-space: pre;
}
form input[type="text"] {
  font: inherit;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 12ch;
  letter-spacing: 0.2em;
  text-align: center;
}
form button,
.download-button,
.btn-primary {
  font: inherit;
  font-weight: 600;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-size: 1.05rem;
}
.btn-primary:hover,
.btn-primary:focus-visible,
form button:hover,
.download-button:hover {
  filter: brightness(0.92);
  outline: none;
}
.pin-form {
  margin: 1.5rem 0;
  max-width: 24rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pin-form-label {
  display: block;
  font-weight: 600;
}
.pin-form-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  margin-top: 0.5rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  font: inherit;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
}
.pin-form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.error {
  color: #a00;
  font-weight: 500;
}
.tabs {
  display: flex;
  gap: 0.25rem;
  margin: 1rem 0 0;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  color: var(--muted);
  font: inherit;
}
.tab[aria-selected="true"] {
  border-bottom-color: var(--accent);
  color: var(--fg);
  font-weight: 600;
}
.tab-panel {
  padding-top: 0.75rem;
}
.brand-mark {
  background: var(--footer-bg);
  color: var(--footer-fg);
  margin: 2rem 0 0;
  padding: 1.5rem 1.5rem 1.25rem;
  font-size: 0.85rem;
  text-align: center;
}
.locale-row {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}
.locale-row button {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}
.locale-row button[aria-pressed="true"] {
  color: var(--accent);
  font-weight: 600;
}