/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · genre: modern-minimal · theme: cobalt · macrostructure: workbench */

:root {
  /* Cobalt Theme Tokens: Cool engineered light canvas + graphite panel + electric cobalt signal */
  --color-paper: oklch(98.5% 0.004 250);
  --color-paper-2: oklch(95.5% 0.007 250);
  --color-paper-3: oklch(92% 0.01 250);
  --color-surface: oklch(100% 0 0);
  
  --color-panel-bg: oklch(18% 0.014 260);
  --color-panel-header: oklch(15% 0.012 260);
  --color-panel-border: oklch(28% 0.018 260);
  --color-panel-ink: oklch(95% 0.006 255);
  --color-panel-muted: oklch(70% 0.012 255);

  --color-ink: oklch(22% 0.02 258);
  --color-ink-muted: oklch(42% 0.018 257);
  --color-ink-dim: oklch(58% 0.014 257);
  --color-rule: oklch(88% 0.008 250);
  --color-rule-subtle: oklch(93% 0.005 250);

  --color-accent: oklch(56% 0.22 256);
  --color-accent-hover: oklch(50% 0.23 256);
  --color-accent-active: oklch(44% 0.24 256);
  --color-accent-ink: oklch(99% 0.002 250);
  --color-focus: oklch(56% 0.22 256);

  --color-warning: oklch(62% 0.18 45);
  --color-success: oklch(62% 0.16 145);

  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6rem;

  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 150ms;
  --dur-normal: 220ms;
}

/* Strict mobile safety & normalization */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: clip;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Site Layout Shell */
.site-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* System Header Bar */
.system-bar {
  width: 100%;
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-xs) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  min-height: 52px;
}

.system-brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.brand-glyph {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  object-fit: contain;
}

.brand-name {
  letter-spacing: -0.01em;
}

.system-divider {
  color: var(--color-ink-dim);
  font-weight: 400;
  user-select: none;
}

.system-org {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.system-telemetry {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  background: var(--color-paper-2);
  padding: 3px 8px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* Main Content Workspace */
.workbench-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
}

.content-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: center;
  width: 100%;
}

/* Left Lede Section */
.lede-column {
  display: flex;
  flex-direction: column;
}

.mono-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.display-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 700;
  font-style: normal;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  overflow-wrap: anywhere;
  min-width: 0;
}

.lede-text {
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
  max-width: 48ch;
}

.body-context {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-ink-dim);
  margin-bottom: var(--space-xl);
  max-width: 48ch;
}

/* Action Buttons Dock (8-State discipline) */
.action-dock {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.625rem 1.125rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  user-select: none;
  position: relative;
}

/* Primary Button (Cobalt Signal) */
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover, .btn-primary.is-hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-primary:focus-visible, .btn-primary.is-focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn-primary:active, .btn-primary.is-active {
  background-color: var(--color-accent-active);
  transform: translateY(1px);
}

.btn-primary:disabled, .btn-primary.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Secondary Button (Ruler Border) */
.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-rule);
}

.btn-secondary:hover, .btn-secondary.is-hover {
  background-color: var(--color-paper-2);
  border-color: var(--color-ink-dim);
}

.btn-secondary:focus-visible, .btn-secondary.is-focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn-secondary:active, .btn-secondary.is-active {
  background-color: var(--color-paper-3);
  transform: translateY(1px);
}

.btn-secondary:disabled, .btn-secondary.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-icon {
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn-primary:hover .btn-icon {
  transform: translate(2px, -2px);
}

.pause-icon {
  font-size: 0.75rem;
  letter-spacing: -0.1em;
  margin-right: 2px;
}

/* Right Column: Graphite Instrument Panel */
.instrument-column {
  width: 100%;
}

.instrument-panel {
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-panel-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px -8px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
}

.panel-header {
  background-color: var(--color-panel-header);
  border-bottom: 1px solid var(--color-panel-border);
  padding: var(--space-xs) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.panel-tag {
  color: var(--color-accent);
  font-weight: 600;
}

.panel-dest {
  color: var(--color-panel-muted);
}

.panel-body {
  padding: var(--space-lg);
}

/* Big Tabular Countdown Readout */
.countdown-hero {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.countdown-number-wrapper {
  display: flex;
  align-items: baseline;
  font-family: var(--font-mono);
  color: var(--color-panel-ink);
}

.countdown-value {
  font-size: clamp(3rem, 5vw, 4.25rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.countdown-suffix {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-left: var(--space-3xs);
}

.countdown-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-panel-muted);
  text-align: right;
  letter-spacing: 0.02em;
}

.countdown-status.is-paused {
  color: var(--color-warning);
  font-weight: 600;
}

/* Precision Meter Track */
.meter-track {
  width: 100%;
  height: 4px;
  background-color: var(--color-panel-border);
  border-radius: var(--radius-xs);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  position: relative;
}

.meter-fill {
  height: 100%;
  width: 100%;
  background-color: var(--color-accent);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 1s linear;
}

/* Telemetry Specifications List */
.telemetry-specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  border-top: 1px solid var(--color-panel-border);
  padding-top: var(--space-md);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  padding: 4px 0;
  border-bottom: 1px solid oklch(24% 0.016 260);
}

.spec-key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-panel-muted);
}

.spec-value {
  color: var(--color-panel-ink);
  font-weight: 500;
  text-align: right;
}

.spec-value.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-panel-ink);
}

.spec-value.highlight {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.panel-footer {
  background-color: var(--color-panel-header);
  border-top: 1px solid var(--color-panel-border);
  padding: var(--space-xs) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-panel-muted);
}

.shortcut-tip kbd {
  background: var(--color-panel-bg);
  border: 1px solid var(--color-panel-border);
  border-radius: var(--radius-xs);
  padding: 1px 4px;
  font-family: inherit;
  color: var(--color-panel-ink);
  font-size: 0.625rem;
}

/* Bottom Colophon */
.colophon-bar {
  width: 100%;
  border-top: 1px solid var(--color-rule);
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-ink-dim);
  background: var(--color-surface);
}

.colophon-link {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color var(--dur-fast) var(--ease-out);
}

.colophon-link:hover {
  color: var(--color-accent);
}

/* Responsive Breakpoints: 768px, 414px, 375px, 320px */
@media (max-width: 840px) {
  .content-split {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .workbench-main {
    padding: var(--space-lg) var(--space-md);
  }

  .display-title {
    font-size: 2.25rem;
  }
}

@media (max-width: 520px) {
  .system-bar {
    padding: var(--space-xs) var(--space-sm);
  }

  .system-org {
    display: none;
  }

  .system-divider {
    display: none;
  }

  .workbench-main {
    padding: var(--space-md) var(--space-sm);
  }

  .action-dock {
    flex-direction: column;
    align-items: stretch;
  }

  .action-dock .btn {
    width: 100%;
  }

  .spec-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .spec-value {
    text-align: left;
    word-break: break-all;
  }

  .colophon-bar {
    flex-direction: column;
    gap: var(--space-2xs);
    align-items: flex-start;
    padding: var(--space-sm);
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .meter-fill {
    transition: none !important;
  }
}