/* ==========================================================================
   Global Design System: Editorial Minimalist & Technical Craftsmanship
   Ground Planes: #090a0d | Surfaces: #111318 | Accents: #6366f1
   ========================================================================== */

:root {
  --color-canvas: #090a0d;
  --color-surface: #111318;
  --color-surface-hover: #171a22;
  --color-overlay: rgba(9, 10, 13, 0.85);

  --color-text-primary: #f4f4f5;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #83838d;

  --color-accent-primary: #6366f1;
  --color-accent-hover: #4f46e5;
  --color-accent-light: #818cf8;
  --color-accent-rgb: 99, 102, 241;

  --color-danger: #ef4444;
  --color-success: #10b981;

  --border-hairline: 1px solid rgba(255, 255, 255, 0.08);
  --border-hover: 1px solid rgba(255, 255, 255, 0.18);
  --border-active: 1px solid rgba(99, 102, 241, 0.6);

  --shadow-elevation: 0 1px 2px rgba(0, 0, 0, 0.2);

  --radius-sm: 4px;
  --radius-container: 6px;
  --radius-modal: 8px;
  --radius-pill: 9999px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  font-size: 16px;
  background-color: var(--color-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-canvas);
  color: var(--color-text-primary);
  line-height: 1.5;
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* Layout Frame */
.app-layout {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: var(--border-hairline);
  padding-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-identity {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.system-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
}

.header-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-elevation);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.status-banned .status-dot {
  background-color: var(--color-danger);
}

.status-banned .status-label {
  color: #fca5a5;
}

.status-unbanned .status-dot {
  background-color: var(--color-success);
}

.status-unbanned .status-label {
  color: #6ee7b7;
}

/* Card Surface Standards */
.card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-container);
  padding: 1.5rem;
  box-shadow: var(--shadow-elevation);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.meta-target {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  background-color: var(--color-surface-hover);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
}

/* Main Countdown Display */
.countdown-card {
  padding: 2rem 1.5rem;
}

.timer-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 0 1.75rem 0;
  flex-wrap: wrap;
}

.timer-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
}

.timer-digit {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.timer-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin-top: 0.5rem;
}

.timer-separator {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 400;
  color: var(--color-text-tertiary);
  line-height: 1;
  padding-bottom: 1.25rem;
  user-select: none;
}

/* Progress Tracking */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--color-surface-hover);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--color-accent-primary);
  transition: width 300ms ease-out;
}



/* Spec Sheet (Tabular Technical Stream) */
.spec-stream {
  display: flex;
  flex-direction: column;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: var(--border-hairline);
  gap: 1rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-key {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.spec-val {
  font-size: 0.875rem;
  color: var(--color-text-primary);
  text-align: right;
  word-break: break-all;
}

.mono-val {
  font-family: var(--font-mono);
}

.highlight-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fca5a5;
}

.accent-val {
  font-weight: 600;
  color: var(--color-accent-light);
}

/* Log Proof Details */
.log-card {
  padding: 1rem 1.25rem;
}

.log-details {
  cursor: pointer;
}

.log-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  list-style: none;
  user-select: none;
}

.log-summary::-webkit-details-marker {
  display: none;
}

.summary-title {
  font-weight: 600;
}

.summary-hint {
  color: var(--color-text-tertiary);
  font-size: 0.7rem;
}

.log-snippet {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  background-color: #040507;
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  color: #d4d4d8;
  overflow-x: auto;
  white-space: pre-wrap;
  cursor: text;
}

/* Footer */
.app-footer {
  border-top: var(--border-hairline);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .app-layout {
    padding: 1.25rem 0.875rem;
  }

  .header-title {
    font-size: 1.25rem;
  }

  .timer-unit {
    min-width: 65px;
  }

  .timer-digit {
    font-size: 2.25rem;
  }

  .timer-separator {
    font-size: 1.75rem;
  }

  .spec-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .spec-val {
    text-align: left;
  }

}