/* ============================================================================
 * Polymarket / Signals — design system
 *
 * Aesthetic direction: Bloomberg Terminal × Linear.
 * Monospace numbers, dot-grid backdrop, dominant edge%, restrained palette,
 * single orchestrated page-load reveal. No purple gradients, no Inter.
 * ============================================================================ */

:root {
  /* Surfaces — deep slate, never pure black */
  --bg:           #0b0e13;
  --bg-elev-1:   #131820;
  --bg-elev-2:   #181f29;
  --border:       #243042;
  --border-soft:  #1a2230;

  /* Text */
  --fg:           #e7eef7;
  --fg-muted:     #94a3b8;
  --fg-faint:     #64748b;

  /* Semantic accents — emerald (positive) / rose (negative).
     One muted amber for "approaching". No purple. */
  --pos:          #34d399;
  --pos-soft:     rgba(52, 211, 153, 0.12);
  --pos-line:     rgba(52, 211, 153, 0.32);
  --neg:          #fb7185;
  --neg-soft:     rgba(251, 113, 133, 0.12);
  --neg-line:     rgba(251, 113, 133, 0.32);
  --amber:        #fbbf24;
  --sky:          #7dd3fc;

  /* Typography stack — Space Grotesk display, Geist body, JetBrains numbers.
     The skill warns against generic (Inter / Arial); all three picks are characterful. */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body:    "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "Cascadia Code", "SF Mono", monospace;

  /* Geometry */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  /* Motion — single eased curve, fast */
  --ease:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 140ms var(--ease);
  --t-mid:  260ms var(--ease);
  --t-slow: 420ms var(--ease);

  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--pos-soft); color: var(--fg); }

html, body { min-height: 100vh; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  padding: clamp(16px, 3vw, 32px) clamp(16px, 4vw, 56px) 64px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

/* ----- Background atmosphere ------------------------------------------------ */

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: radial-gradient(circle at 1px 1px, #243042 1px, transparent 0);
  background-size: 28px 28px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 0%, transparent 75%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  z-index: -1;
  background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.06), transparent 70%);
  pointer-events: none;
}

/* ----- Masthead ------------------------------------------------------------- */

.masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  animation: fadeUp 480ms var(--ease) both;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 12px var(--pos), 0 0 32px var(--pos-soft);
  animation: pulse 2.2s var(--ease) infinite;
  flex-shrink: 0;
}

.brand-text { display: flex; flex-direction: column; gap: 2px; }

.brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-divider {
  color: var(--fg-faint);
  font-weight: 400;
  margin: 0 6px;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-faint);
  letter-spacing: 0.02em;
}

.masthead-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 8px var(--pos);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--fg-muted);
  padding: 6px 8px;
  border-radius: var(--r-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--t-fast);
  font: inherit;
}
.btn-ghost:hover {
  border-color: var(--border);
  background: var(--bg-elev-1);
  color: var(--fg);
}
.btn-ghost.loading svg { animation: spin 0.8s linear infinite; }

/* ----- Stats strip — bordered grid, monospace numerics --------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 28px;
  animation: fadeUp 520ms 80ms var(--ease) both;
}

.stat {
  padding: 16px 18px;
  background: var(--bg-elev-1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background var(--t-fast);
}
.stat:hover { background: var(--bg-elev-2); }

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
}
.stat-value.pos { color: var(--pos); }
.stat-value.neg { color: var(--neg); }

.stat-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
}

/* ----- Filter pills + open-only toggle ------------------------------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
  animation: fadeUp 520ms 160ms var(--ease) both;
}

.pill {
  background: var(--bg-elev-1);
  border: 1px solid var(--border-soft);
  color: var(--fg-muted);
  padding: 5px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.pill:hover {
  color: var(--fg);
  border-color: var(--border);
}
.pill.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.filter-divider {
  width: 1px;
  height: 18px;
  background: var(--border-soft);
  margin: 0 4px;
}

.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-track {
  position: relative;
  width: 28px;
  height: 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  transition: all var(--t-fast);
}
.toggle-track::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  background: var(--fg-faint);
  border-radius: 50%;
  transition: all var(--t-fast);
}
.toggle input:checked + .toggle-track {
  background: var(--pos-soft);
  border-color: var(--pos-line);
}
.toggle input:checked + .toggle-track::after {
  left: 13px;
  background: var(--pos);
  box-shadow: 0 0 8px var(--pos-line);
}
.toggle:hover .toggle-track { border-color: var(--border); }

/* ----- Signal grid ---------------------------------------------------------- */

.signals-list {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .signals-list { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
}
@media (min-width: 1440px) {
  .signals-list { grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); }
}

/* ----- Card ---------------------------------------------------------------- */

.card {
  background: var(--bg-elev-1);
  border: 1px solid var(--border-soft);
  border-left-width: 2px;
  border-radius: var(--r-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--t-mid);
  position: relative;
  animation: cardIn 520ms var(--ease) both;
}
.card:hover {
  border-color: var(--border);
  border-left-color: var(--pos);
  transform: translateY(-1px);
  background: var(--bg-elev-2);
  box-shadow: 0 12px 32px -16px rgba(0, 0, 0, 0.5);
}
.card[data-side="YES"] { border-left-color: var(--pos); }
.card[data-side="NO"]  { border-left-color: var(--neg); }
.card[data-side="YES"]:hover { border-left-color: var(--pos); }
.card[data-side="NO"]:hover  { border-left-color: var(--neg); }

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-headline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.edge-big {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--pos);
}
.edge-big.neg { color: var(--neg); }

.edge-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.side-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  text-transform: uppercase;
  align-self: flex-start;
  white-space: nowrap;
}
.side-badge.yes { background: var(--pos-soft); color: var(--pos); border: 1px solid var(--pos-line); }
.side-badge.no  { background: var(--neg-soft); color: var(--neg); border: 1px solid var(--neg-line); }

.market-title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.market-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color var(--t-fast);
}
.market-title a:hover { border-bottom-color: var(--fg-faint); }

/* ----- Probability bar ----------------------------------------------------- */

.prob-bar { display: flex; flex-direction: column; gap: 6px; }

.prob-track {
  position: relative;
  height: 10px;
  background: var(--bg);
  border-radius: 999px;
  border: 1px solid var(--border-soft);
}

.prob-fair {
  position: absolute;
  top: 1px; bottom: 1px;
  background: rgba(125, 211, 252, 0.18);
  border-left: 1px solid rgba(125, 211, 252, 0.5);
  border-right: 1px solid rgba(125, 211, 252, 0.5);
  border-radius: 2px;
}

.prob-edge {
  position: absolute;
  top: 1px; bottom: 1px;
  background: linear-gradient(90deg, var(--pos), color-mix(in srgb, var(--pos) 70%, var(--bg)));
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  animation: edgeIn 720ms 240ms var(--ease) forwards;
  box-shadow: 0 0 12px var(--pos-line);
}
.prob-edge.neg {
  background: linear-gradient(90deg, color-mix(in srgb, var(--neg) 70%, var(--bg)), var(--neg));
  transform-origin: right;
  box-shadow: 0 0 12px var(--neg-line);
}

.prob-marker {
  position: absolute;
  top: -4px; bottom: -4px;
  width: 2px;
  background: var(--fg);
  border-radius: 1px;
  box-shadow: 0 0 0 2px var(--bg-elev-1);
}

.prob-legend {
  display: flex;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
}
.prob-legend > span { display: inline-flex; align-items: center; gap: 5px; }
.prob-legend i {
  width: 8px;
  height: 4px;
  border-radius: 1px;
}
.legend-fair i  { background: rgba(125, 211, 252, 0.5); }
.legend-edge i  { background: var(--pos); box-shadow: 0 0 4px var(--pos-line); }
.legend-marker i { background: var(--fg); width: 2px; height: 8px; }

/* When this card is NO-side, swap legend edge color */
.card[data-side="NO"] .legend-edge i {
  background: var(--neg);
  box-shadow: 0 0 4px var(--neg-line);
}

/* ----- Meta grid ----------------------------------------------------------- */

.card-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-soft);
}
.meta-item { display: flex; flex-direction: column; gap: 2px; }
.meta-item dt {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.meta-item dd {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}
.meta-item dd.warn { color: var(--amber); }

.reasoning {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-faint);
  line-height: 1.55;
  word-break: break-word;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 8px 10px;
}

/* ----- Card footer / actions ----------------------------------------------- */

.card-actions { display: flex; gap: 8px; }

.btn-primary {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  padding: 9px 12px;
  border-radius: var(--r-md);
  font: inherit;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all var(--t-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-primary:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* ----- Empty / error state ------------------------------------------------- */

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  border: 1px dashed var(--border-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, transparent, var(--bg-elev-1));
}
.empty-mark {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--fg-faint);
  margin-bottom: 14px;
  animation: pulse 2.4s var(--ease) infinite;
}
.empty-text {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--fg-muted);
  letter-spacing: -0.005em;
}
.empty-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-faint);
  margin-top: 6px;
}

/* ----- Skeleton on initial load -------------------------------------------- */

.skeleton {
  background: var(--bg-elev-1);
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--border-soft);
  border-radius: var(--r-lg);
  height: 240px;
  position: relative;
  overflow: hidden;
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  animation: shimmer 1.6s var(--ease) infinite;
}

/* ----- Animations ---------------------------------------------------------- */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes edgeIn { to { transform: scaleX(1); } }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.85); }
}
@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ----- Telegram Mini App overrides ----------------------------------------- */

body.telegram-app {
  padding: 14px;
}
body.telegram-app .bg-grid { display: none; }
body.telegram-app .bg-glow { display: none; }
body.telegram-app .masthead { margin-bottom: 18px; }
body.telegram-app .brand-sub { display: none; }
body.telegram-app .stats { margin-bottom: 16px; }
body.telegram-app .card { padding: 14px 16px; }
body.telegram-app .edge-big { font-size: 26px; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  .prob-edge { transform: scaleX(1) !important; }
  .brand-mark, .status-dot, .empty-mark { animation: none !important; }
}