:root {
  color-scheme: light dark;
  --background: #f3f6f8;
  --surface: #ffffff;
  --text: #172b36;
  --muted: #516673;
  --line: #d3dee4;
  --primary: #12624f;
  --on-primary: #ffffff;
  --subtle: #e9f0f3;
  --success: #14583e;
  --success-bg: #e2f2e8;
  --warning: #72420b;
  --warning-bg: #fff0d6;
  --danger: #a02430;
  --danger-bg: #fff0f0;
  --focus: #2367cd;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); font: 1rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
.shell { width: min(100%, 52rem); margin: 0 auto; padding: max(24px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
.page-header, .section-heading, .card-heading, .toolbar, .usage-row, .command-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.page-header { margin-bottom: 24px; flex-wrap: wrap; }
.eyebrow { color: var(--muted); margin: 0; font-size: 0.875rem; }
h1 { margin: 0; font-size: clamp(1.8rem, 6vw, 2.25rem); letter-spacing: -0.025em; }
h2 { margin: 0 0 8px; font-size: 1.25rem; line-height: 1.4; }
h3 { margin: 0; font-size: 1.1rem; line-height: 1.5; overflow-wrap: anywhere; }
h4 { margin: 20px 0 8px; font-size: 1rem; }
p { margin: 8px 0; }
.muted, .section-help { color: var(--muted); }
.section-help { margin: 8px 0 16px; }
.notice { padding: 16px 20px; border: 1px solid var(--line); border-left: 4px solid var(--warning); border-radius: 12px; background: var(--warning-bg); color: var(--warning); margin-bottom: 24px; }
.notice p { margin-bottom: 0; }
.notice #deployment-note { font-weight: 600; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card-heading { align-items: flex-start; flex-wrap: wrap; }
.stack { display: grid; gap: 12px; }
.section { margin: 32px 0; }
.toolbar { align-items: center; flex-wrap: wrap; }
.toolbar p { font-size: 0.875rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 0.875rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.neutral { background: var(--subtle); color: var(--muted); }
.warning { background: var(--warning-bg); color: var(--warning); }
.success { background: var(--success-bg); color: var(--success); }
.danger { background: var(--danger-bg); color: var(--danger); }
button, input, select { font: inherit; min-height: 48px; border-radius: 10px; }
button { padding: 10px 16px; cursor: pointer; border: 1px solid transparent; font-weight: 600; touch-action: manipulation; transition: background-color 160ms ease, opacity 160ms ease; }
button:active { opacity: 0.76; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
input, select { width: 100%; border: 1px solid var(--muted); background: var(--surface); color: var(--text); padding: 10px 12px; }
input { margin-top: 8px; }
select { margin: 8px 0 12px; }
label { display: block; font-weight: 600; }
button.primary { background: var(--primary); color: var(--on-primary); }
button.secondary { background: var(--subtle); color: var(--text); border-color: var(--line); }
button.danger-button { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
button.text-button { background: transparent; color: var(--muted); }
.wide { width: 100%; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.login-card { max-width: 32rem; margin: 0 auto; }
.login-card form { margin-top: 24px; }
#password-toggle { display: block; margin: 4px 0 0 auto; }
.error-message { color: var(--danger); min-height: 1.6em; }
.error-banner { border: 1px solid var(--danger); border-radius: 10px; background: var(--danger-bg); color: var(--danger); padding: 12px 16px; }
.feedback { color: var(--success); }
.feedback:empty { display: none; }
.feedback.is-error { color: var(--danger); }
.empty { border: 1px dashed var(--line); border-radius: 12px; padding: 24px 16px; color: var(--muted); background: var(--surface); margin: 0; }
.request-meta, .metadata { color: var(--muted); font-size: 0.875rem; overflow-wrap: anywhere; }
.request-card label { margin-top: 16px; }
.request-card .actions button { flex: 1; }
.device-status { margin: 12px 0; }
.device-status dt { color: var(--muted); font-size: 0.875rem; }
.device-status dd { margin: 0 0 8px; overflow-wrap: anywhere; }
.current-game { font-size: 1.25rem; font-weight: 650; }
.inline-note { padding: 12px; background: var(--subtle); border-radius: 8px; color: var(--muted); }
.health-check { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 8px 0 16px; }
.health-check .badge { white-space: normal; }
.usage-list, .command-list { padding: 0; margin: 8px 0; list-style: none; }
.usage-row, .command-row { border-bottom: 1px solid var(--line); padding: 12px 0; align-items: flex-start; }
.usage-row:last-child, .command-row:last-child { border: 0; }
.usage-row .package, .command-row .package { min-width: 0; overflow-wrap: anywhere; }
.usage-duration { white-space: nowrap; font-weight: 650; font-variant-numeric: tabular-nums; }
.command-row { display: block; }
.command-row .badge { margin: 8px 0; white-space: normal; }
.grant-card .actions { margin-top: 12px; }
.help-card { margin-top: 32px; }
.help-card p, footer { color: var(--muted); font-size: 0.875rem; }
footer { margin-top: 32px; text-align: center; }
.skip-link { position: absolute; transform: translateY(-200%); padding: 12px; color: var(--text); background: var(--surface); z-index: 10; }
.skip-link:focus { transform: none; }
@media (min-width: 48rem) { .shell { padding-top: 40px; } .card { padding: 24px; } .device-status { display: grid; grid-template-columns: 8rem 1fr; gap: 8px 16px; } .device-status dd { margin: 0; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (prefers-color-scheme: dark) {
  :root { --background: #101b22; --surface: #1a2933; --text: #edf4f7; --muted: #b4c5d0; --line: #415560; --primary: #8bdbbc; --on-primary: #102c22; --subtle: #293b47; --success: #acf0c7; --success-bg: #1e3c30; --warning: #ffdda4; --warning-bg: #3c3020; --danger: #ffb4b9; --danger-bg: #47282e; --focus: #9dc1ff; }
}