/* ==========================================================================
   Pickr shared design system  (css/pickr-ui.css)
   --------------------------------------------------------------------------
   Single source of truth for design tokens + reusable components used across
   every page. Additive & namespaced (pk-*) so it never clashes with existing
   per-page inline CSS. Colours adapted from Pickr's existing brand
   (ink / ember / mint / sky / gold) rather than replacing it.
   ========================================================================== */

:root {
  /* Brand */
  --pk-ink: #0b0f1a;
  --pk-ember: #ff7a1a;
  --pk-ember-hover: #ff9e50;
  --pk-mint: #40d9b5;
  --pk-sky: #7aa7ff;
  --pk-gold: #f0c842;

  /* Semantic surfaces */
  --pk-bg: #0b0f1a;
  --pk-surface: rgba(17, 25, 40, 0.82);
  --pk-surface-raised: rgba(30, 41, 59, 0.9);
  --pk-border: rgba(255, 255, 255, 0.08);
  --pk-border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --pk-text: #f1f5f9;
  --pk-text-secondary: #b5b9c5;
  --pk-text-muted: #7f8698;

  /* Status */
  --pk-success: #34d399;
  --pk-warning: #f0c842;
  --pk-error: #f87171;

  /* Radius */
  --pk-radius-sm: 8px;
  --pk-radius-md: 14px;
  --pk-radius-lg: 20px;
  --pk-radius-pill: 999px;

  /* Shadow */
  --pk-shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
  --pk-shadow-raised: 0 18px 44px rgba(0, 0, 0, 0.42);

  /* Spacing scale */
  --pk-space-1: 4px;
  --pk-space-2: 8px;
  --pk-space-3: 12px;
  --pk-space-4: 16px;
  --pk-space-5: 24px;
  --pk-space-6: 32px;
  --pk-space-7: 48px;

  /* Layout */
  --pk-content-width: 1200px;
  --pk-tabbar-height: 60px;

  /* Motion */
  --pk-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --pk-dur: 180ms;

  /* Fonts (already loaded per page) */
  --pk-font-head: 'Space Grotesk', system-ui, sans-serif;
  --pk-font-body: 'IBM Plex Sans', system-ui, sans-serif;
}

/* --------------------------------------------------------------------------
   Accessibility: visible focus + reduced motion (global, safe, additive)
   -------------------------------------------------------------------------- */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--pk-sky);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visually-hidden helper for screen-reader-only labels */
.pk-sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ==========================================================================
   Standardized bottom navigation (mobile-first tab bar)
   5 primary items: Sports · Insights · Perks · My Picks · Profile
   ========================================================================== */
.pk-tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex;
  align-items: stretch;
  background: rgba(11, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--pk-border);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.32);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.pk-tab {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: var(--pk-tabbar-height);
  padding: 8px 4px;
  color: var(--pk-text-muted);
  font-family: var(--pk-font-head);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  text-align: center;
  position: relative;
  transition: color var(--pk-dur) var(--pk-ease);
  -webkit-tap-highlight-color: transparent;
}

.pk-tab svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--pk-dur) var(--pk-ease);
}

.pk-tab:hover { color: var(--pk-text-secondary); }

.pk-tab.is-active {
  color: var(--pk-ember);
}

.pk-tab.is-active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 26px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--pk-ember);
  box-shadow: 0 0 12px rgba(255, 122, 26, 0.55);
}

.pk-tab.is-active svg { transform: translateY(-1px); }

.pk-tab:focus-visible {
  outline: 2px solid var(--pk-sky);
  outline-offset: -3px;
  border-radius: 8px;
}

/* Desktop: keep the tab bar but widen tap areas and centre it */
@media (min-width: 769px) {
  .pk-tabbar { justify-content: center; gap: 8px; padding-inline: 12px; }
  .pk-tab { flex: 0 1 128px; font-size: 12px; }
  .pk-tab svg { width: 20px; height: 20px; }
}

/* ==========================================================================
   Reusable components (opt-in via class) for later redesign stages
   ========================================================================== */

/* Buttons ------------------------------------------------------------------ */
.pk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pk-radius-md);
  font-family: var(--pk-font-head);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--pk-dur) var(--pk-ease),
              box-shadow var(--pk-dur) var(--pk-ease),
              background var(--pk-dur) var(--pk-ease),
              border-color var(--pk-dur) var(--pk-ease);
}
.pk-btn:disabled, .pk-btn[aria-disabled="true"] {
  opacity: 0.5; cursor: not-allowed; transform: none !important;
}
.pk-btn-primary {
  background: linear-gradient(135deg, var(--pk-ember), var(--pk-ember-hover));
  color: var(--pk-ink);
  box-shadow: 0 6px 20px rgba(255, 122, 26, 0.32);
}
.pk-btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 26px rgba(255, 122, 26, 0.46); }
.pk-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--pk-text);
  border-color: var(--pk-border-strong);
}
.pk-btn-secondary:hover:not(:disabled) { background: rgba(255, 255, 255, 0.12); }
.pk-btn-ghost {
  background: transparent;
  color: var(--pk-text-secondary);
}
.pk-btn-ghost:hover:not(:disabled) { color: var(--pk-text); }

/* Cards -------------------------------------------------------------------- */
.pk-card {
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: var(--pk-radius-lg);
  box-shadow: var(--pk-shadow-card);
  padding: var(--pk-space-5);
}

/* Badges ------------------------------------------------------------------- */
.pk-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--pk-radius-pill);
  font-family: var(--pk-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}
.pk-badge-mint { background: rgba(64, 217, 181, 0.14); color: #7de6c9; border-color: rgba(64, 217, 181, 0.4); }
.pk-badge-ember { background: rgba(255, 122, 26, 0.16); color: #ffb37a; border-color: rgba(255, 122, 26, 0.4); }
.pk-badge-muted { background: rgba(148, 163, 184, 0.12); color: var(--pk-text-secondary); border-color: var(--pk-border); }

/* Skeleton loaders --------------------------------------------------------- */
.pk-skeleton {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--pk-radius-md);
}
.pk-skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: pk-shimmer 1.3s infinite;
}
@keyframes pk-shimmer { to { transform: translateX(100%); } }

/* Empty / error states ----------------------------------------------------- */
.pk-state {
  text-align: center;
  padding: var(--pk-space-6) var(--pk-space-4);
  color: var(--pk-text-secondary);
}
.pk-state-icon { font-size: 32px; margin-bottom: var(--pk-space-3); opacity: 0.85; }
.pk-state-title { font-family: var(--pk-font-head); font-size: 16px; font-weight: 700; color: var(--pk-text); margin-bottom: 6px; }
.pk-state-text { font-size: 13px; max-width: 34ch; margin: 0 auto var(--pk-space-4); line-height: 1.5; }

/* Disclosure notice -------------------------------------------------------- */
.pk-notice {
  font-size: 12px;
  line-height: 1.5;
  color: var(--pk-text-secondary);
  background: rgba(122, 167, 255, 0.08);
  border: 1px solid rgba(122, 167, 255, 0.18);
  border-radius: var(--pk-radius-md);
  padding: var(--pk-space-3) var(--pk-space-4);
}