/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · genre: modern-minimal · macrostructure: Stat-Led · tone: austere technical · anchor hue: cobalt · theme: Cobalt · enrichment: none · nav: N5 · footer: Ft1 */

/* ---------- Reset and base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html, body { overflow-x: clip; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-block-size: 100dvb;
  display: flex;
  flex-direction: column;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; cursor: pointer; }
code, kbd { font-family: var(--font-mono); }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- N5 · floating product pill ---------- */

.site-header {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline: 0;
  z-index: var(--z-sticky);
  display: flex;
  justify-content: center;
  padding-inline: var(--page-gutter);
  pointer-events: none;
}

.nav-pill {
  inline-size: fit-content;
  max-inline-size: min(100%, var(--measure));
  min-block-size: 52px;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs);
  background: color-mix(in oklch, var(--color-surface-raised) 88%, transparent);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(14px) saturate(120%);
  pointer-events: auto;
}

.wordmark {
  min-block-size: 40px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding-inline: var(--space-xs) var(--space-sm);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.018em;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  transition: color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.wordmark:active,
.rail-terminal:active { transform: scale(0.96); }

.brand-mark {
  inline-size: 28px;
  block-size: 28px;
  display: inline-grid;
  place-items: center;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.terminal-access {
  min-block-size: 40px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding-inline: var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-ink-3);
  background: var(--color-sink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.terminal-prompt { color: var(--color-accent); }
.terminal-label { display: none; }

.nav-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.current-capacity {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  padding-inline: var(--space-sm);
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.current-capacity strong { color: var(--color-ink); font-weight: 500; }
.current-label { text-transform: uppercase; letter-spacing: 0.08em; }

.theme-toggle {
  position: relative;
  inline-size: 40px;
  block-size: 40px;
  flex: none;
  display: inline-grid;
  place-items: center;
  padding: 0;
  background: var(--color-surface-raised);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-ink-3);
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.theme-toggle:active,
.terminal-access:active,
.btn:active { transform: scale(0.96); }

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  transform-origin: center;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out), filter var(--dur-short) var(--ease-out);
}

.theme-toggle .icon-sun { opacity: 0; transform: scale(0.25); filter: blur(4px); }
.theme-toggle .icon-moon { opacity: 1; transform: scale(1); filter: blur(0); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 1; transform: scale(1); filter: blur(0); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 0; transform: scale(0.25); filter: blur(4px); }

/* ---------- Main control plane ---------- */

.main {
  flex: 1;
  inline-size: 100%;
  max-inline-size: calc(var(--measure) + (2 * var(--page-gutter)));
  margin-inline: auto;
  padding: calc(var(--space-3xl) + var(--space-md)) var(--page-gutter) var(--space-2xl);
  display: grid;
  place-items: center;
}

.control-plane {
  inline-size: 100%;
  min-inline-size: 0;
  display: grid;
  background: var(--color-surface);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-console);
  overflow: clip;
}

/* ---------- Live diagnostic rail ---------- */

.diagnostic {
  min-inline-size: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface-raised);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.diagnostic-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.diagnostic-heading h2 {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-ink-3);
  font: inherit;
}

.live-dot,
.status-dot {
  inline-size: 7px;
  block-size: 7px;
  display: inline-block;
  flex: none;
  border-radius: 50%;
  background: var(--color-accent);
}

.scan-list {
  display: grid;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.scan-list li {
  min-block-size: 32px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-ink-3);
}

.diag-mark {
  inline-size: 1ch;
  color: var(--color-accent);
  font-weight: 500;
  text-align: center;
}

.diag-label {
  min-inline-size: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.diag-value { color: var(--color-ink-4); white-space: nowrap; }
.scan-warn .diag-mark,
.scan-warn .diag-label { color: var(--color-ink-2); }
.scan-final .diag-value { color: var(--color-ink); }

html.js .scan-list li { opacity: 0; }
html.js .scan-list li.is-visible { opacity: 1; transition: opacity var(--dur-short) var(--ease-out); }
html.js .scan-list li.is-checked .diag-mark { opacity: 1; }

.rail-terminal {
  min-block-size: 40px;
  margin-block-start: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding-inline: var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-sink);
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.rail-terminal span:first-child { color: var(--color-accent); }

/* ---------- Stat-Led allocation instrument ---------- */

.allocator {
  position: relative;
  min-inline-size: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
}

.allocator-heading {
  display: block;
  padding-inline-end: var(--space-2xl);
}

.allocation-kicker,
.operation-status {
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.allocator-heading h2 {
  margin-block-start: var(--space-xs);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
  overflow-wrap: anywhere;
  min-inline-size: 0;
}

.allocation-copy {
  max-inline-size: 48ch;
  margin-block-start: var(--space-xs);
  color: var(--color-ink-3);
  font-size: var(--text-sm);
}

.operation-status {
  position: absolute;
  inset-block-start: var(--space-xl);
  inset-inline-end: var(--space-xl);
}

.instrument {
  position: relative;
  inline-size: min(76vw, 280px);
  aspect-ratio: 1;
  margin: var(--space-sm) auto 0;
  display: grid;
  place-items: center;
}

.gauge {
  inline-size: 100%;
  block-size: 100%;
  overflow: visible;
  transform: rotate(0deg);
}

.gauge-track,
.gauge-progress {
  fill: none;
  stroke-width: 13;
  stroke-linecap: butt;
}

.gauge-track { stroke: var(--color-gauge-track); }
.gauge-progress {
  stroke: var(--color-accent);
  stroke-dasharray: 18 100;
}

.instrument-readout {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block-start: var(--space-md);
  text-align: center;
  pointer-events: none;
}

.instrument-label {
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.instrument-value {
  max-inline-size: 7ch;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.065em;
  line-height: 0.9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-state="preparing"] .instrument-value,
[data-state="downloading"] .instrument-value,
[data-state="installing"] .instrument-value {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  letter-spacing: -0.05em;
}

.instrument-total {
  margin-block-start: var(--space-xs);
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

/* ---------- Capacity calibration strip ---------- */

.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
}

.option {
  position: relative;
  min-inline-size: 0;
  min-block-size: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-sm);
  background: var(--color-sink);
  color: var(--color-ink-3);
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.option input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: 0;
  opacity: 0;
}

.option:has(:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.option:has(input:focus-visible) {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.option:has(input:disabled) {
  cursor: not-allowed;
  opacity: 0.55;
}

.option:active { transform: scale(0.96); }

.option-name {
  color: currentColor;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  line-height: 1;
  white-space: nowrap;
}

.option-infinity { font-size: var(--text-lg); }

.option-meta {
  max-inline-size: 100%;
  overflow: hidden;
  color: currentColor;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  text-transform: lowercase;
  white-space: nowrap;
  opacity: 1;
}

/* ---------- Commit action ---------- */

.actions { margin-block-start: var(--space-sm); }

.btn {
  min-block-size: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding-inline: var(--space-lg);
  border: var(--rule-hair) solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.055em;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.btn-primary {
  inline-size: 100%;
  background: var(--color-action);
  color: var(--color-accent-ink);
  border-color: var(--color-action);
}

[data-state="preparing"] .btn-primary:disabled,
[data-state="downloading"] .btn-primary:disabled,
[data-state="installing"] .btn-primary:disabled {
  opacity: 0.88;
}

.btn-secondary {
  background: var(--color-surface-raised);
  color: var(--color-ink);
  border-color: var(--color-rule-2);
}

/* ---------- Transfer and completion ---------- */

.transfer-readout {
  margin-block-start: var(--space-md);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.phase {
  color: var(--color-ink-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  min-block-size: 1.55em;
}

.bar {
  margin-block-start: var(--space-xs);
  block-size: 6px;
  overflow: hidden;
  border-radius: var(--radius-xs);
  background: var(--color-gauge-track);
}

.bar-fill {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  border-radius: inherit;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
}

.transfer-meta {
  margin-block-start: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.stats, .metric { min-inline-size: 0; }
.metric { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.metric-value { color: var(--color-ink-3); }
.stats-sep { margin-inline: var(--space-2xs); }

.progress-is-infinity .gauge-progress {
  stroke-dasharray: 24 76;
  transform-origin: center;
  animation: dmt-orbit 1.2s linear infinite;
}

.progress-is-infinity .bar-fill {
  inline-size: 38%;
  animation: dmt-transfer 1.2s linear infinite alternate;
}

@keyframes dmt-orbit { to { transform: rotate(360deg); } }
@keyframes dmt-transfer { from { transform: translateX(0); } to { transform: translateX(164%); } }

.complete {
  margin-block-start: var(--space-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-sink);
}

.complete-title {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.delta {
  margin-block-start: var(--space-2xs);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.complete-body {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink-3);
  font-size: var(--text-sm);
}

[data-state="complete"] .actions { display: none; }

.console-meta {
  margin-block-start: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

/* ---------- Ft1 · mast-headed close ---------- */

.site-footer { border-block-start: var(--rule-hair) solid var(--color-rule); }

.footer-inner {
  inline-size: 100%;
  max-inline-size: calc(var(--measure) + (2 * var(--page-gutter)));
  min-block-size: 88px;
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.footer-wordmark {
  color: var(--color-ink-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.footer-tagline,
.footer-status {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-align: end;
}

.footer-status .status-dot { inline-size: 6px; block-size: 6px; }

/* ---------- Not found ---------- */

.not-found {
  inline-size: min(100%, 42rem);
  margin: auto;
  padding: var(--space-2xl) var(--page-gutter);
}

.not-found-code {
  color: var(--color-ink-4);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.not-found h1 {
  margin-block: var(--space-md) var(--space-xl);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.not-found .btn { text-decoration: none; }

/* ---------- Capable-pointer refinements ---------- */

@media (hover: hover) and (pointer: fine) {
  .wordmark:hover { color: var(--color-ink-2); }
  .terminal-access:hover,
  .rail-terminal:hover { color: var(--color-ink); background: var(--color-surface-raised); }
  .theme-toggle:hover { color: var(--color-ink); background: var(--color-sink); }
  .option:hover { background: var(--color-surface-raised); color: var(--color-ink-2); }
  .option:has(:checked):hover { background: var(--color-accent-soft); color: var(--color-accent-strong); }
  .btn-primary:not(:disabled):hover { background: var(--color-action-hover); }
  .btn-secondary:hover { background: var(--color-surface-raised); color: var(--color-accent-strong); }
}

/* ---------- Responsive composition ---------- */

@media (min-width: 40rem) {
  .terminal-label { display: inline; }
  .allocator, .diagnostic { padding: var(--space-xl); }
  .options { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .instrument { inline-size: 300px; margin-block-start: 0; }
}

@media (min-width: 60rem) {
  .current-capacity { display: flex; }

  .control-plane {
    grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 2fr);
    min-block-size: 660px;
  }

  .diagnostic {
    padding: var(--space-lg);
    border-block-end: 0;
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .allocator { padding: var(--space-xl) var(--space-2xl) var(--space-lg); }
  .instrument { inline-size: 320px; margin-block-start: calc(var(--space-md) * -1); }
}

@media (min-width: 90rem) {
  .control-plane { min-block-size: 680px; }
  .instrument { inline-size: 340px; }
}

@media (max-width: 39.999rem) {
  .wordmark > span:last-child { max-inline-size: 18ch; overflow: hidden; text-overflow: ellipsis; }
  .allocation-copy { display: none; }
  .complete { align-items: stretch; flex-direction: column; }
  .complete .btn { inline-size: 100%; }
  .transfer-meta, .console-meta, .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-status { text-align: start; }
  .operation-status { inset-block-start: var(--space-lg); inset-inline-end: var(--space-lg); }
}

@media (pointer: coarse) {
  .btn, .option, .rail-terminal, .terminal-access, .theme-toggle { min-block-size: 44px; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .theme-toggle,
  .theme-toggle .icon-sun,
  .theme-toggle .icon-moon,
  .terminal-access,
  .rail-terminal,
  .option,
  .btn,
  html.js .scan-list li.is-visible {
    transition-duration: 150ms;
    transition-property: opacity, color, background-color;
  }

  .theme-toggle:active,
  .terminal-access:active,
  .wordmark:active,
  .rail-terminal:active,
  .option:active,
  .btn:active { transform: none; }

  .progress-is-infinity .gauge-progress,
  .progress-is-infinity .bar-fill { animation: none; }
}