snipe/web/src/assets/theme.css

/* assets/theme.css — CENTRAL THEME FILE for Snipe
   Dark tactical theme: near-black surfaces, amber accent, trust-signal colours.
   ALL color/font/spacing tokens live here — nowhere else.
   Snipe Mode easter egg: activated by Konami code (cf-snipe-mode in localStorage).
*/

/* ── Snipe — dark tactical (default — always dark) ─ */
:root {
  /* Brand — amber target reticle */
  --app-primary: #f59e0b;
  --app-primary-hover: #d97706;
  --app-primary-light: rgba(245, 158, 11, 0.12);

  /* Surfaces — near-black GitHub-dark inspired */
  --color-surface: #0d1117;
  --color-surface-2: #161b22;
  --color-surface-raised: #1c2129;

  /* Borders */
  --color-border: #30363d;
  --color-border-light: #21262d;

  /* Text */
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-text-inverse: #0d1117;

  /* Trust signal colours */
  --trust-high: #3fb950;    /* composite_score >= 80 — green */
  --trust-mid: #d29922;     /* composite_score 50–79 — amber */
  --trust-low: #f85149;     /* composite_score < 50  — red */

  /* Semantic */
  --color-success: #3fb950;
  --color-error: #f85149;
  --color-warning: #d29922;
  --color-info: #58a6ff;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Atkinson Hyperlegible', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Shadows — dark base */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4),  0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6), 0 4px 8px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition: 200ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --sidebar-width: 220px;
}

/* ── Snipe Mode easter egg theme ─────────────────── */
/* Activated by Konami code; stored as 'cf-snipe-mode' in localStorage   */
/* Applied: document.documentElement.dataset.snipeMode = 'active'        */
[data-snipe-mode="active"] {
  --app-primary: #ff6b35;
  --app-primary-hover: #ff4500;
  --app-primary-light: rgba(255, 107, 53, 0.15);

  --color-surface: #050505;
  --color-surface-2: #0a0a0a;
  --color-surface-raised: #0f0f0f;

  --color-border: #ff6b3530;
  --color-border-light: #ff6b3518;

  --color-text: #ff9970;
  --color-text-muted: #ff6b3580;

  /* Glow variants for snipe mode UI */
  --snipe-glow-xs: rgba(255, 107, 53, 0.08);
  --snipe-glow-sm: rgba(255, 107, 53, 0.15);
  --snipe-glow-md: rgba(255, 107, 53, 0.4);

  --shadow-sm: 0 1px 3px rgba(255, 107, 53, 0.08);
  --shadow-md: 0 4px 12px rgba(255, 107, 53, 0.12);
  --shadow-lg: 0 10px 30px rgba(255, 107, 53, 0.18);
}

/* ── Base resets ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { margin: 0; min-height: 100vh; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--app-primary);
  line-height: 1.2;
  margin: 0;
}

/* Focus visible — keyboard nav — accessibility requirement */
:focus-visible {
  outline: 2px solid var(--app-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Utility: screen reader only ────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Steal shimmer animation ─────────────────────
   Applied to ListingCard when listing qualifies as a steal:
   composite_score >= 80 AND price < marketPrice * 0.8
   The shimmer sweeps left-to-right across the card border.
*/
@keyframes steal-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.steal-card {
  border: 1.5px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.steal-card::before {
  content: '';
  position: absolute;
  inset: -1.5px;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    var(--trust-high) 0%,
    #7ee787 40%,
    var(--app-primary) 60%,
    var(--trust-high) 100%
  );
  background-size: 200% auto;
  animation: steal-shimmer 2.4s linear infinite;
  z-index: -1;
}

/* ── Auction de-emphasis ─────────────────────────
   Auctions with >1h remaining have fluid prices — de-emphasise
   the current price to avoid anchoring on a misleading figure.
*/
.auction-price--live {
  opacity: 0.55;
  font-style: italic;
}

.auction-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-warning);
  color: var(--color-text-inverse);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.fixed-price-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  font-size: 0.7rem;
  font-weight: 600;
}