:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --text: #e6edf3;
  --muted: #8b949e;
  --border: #30363d;
  --accent: #ffd23f;
  --team1: #2f81f7;
  --draw: #6e7681;
  --team2: #f85149;
  --ok: #3fb950;
  --err: #f85149;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  font-synthesis: none;
}

* { box-sizing: border-box; }

/* [hidden] must win over the flex/block display rules below. */
[hidden] { display: none !important; }

/* Reserved-space hide: keeps the element's height as a placeholder. */
.is-hidden { visibility: hidden; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: radial-gradient(1200px 600px at 50% -10%, #182030 0%, var(--bg) 60%);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  overflow: hidden; /* the app fits within the viewport; no page scroll */
}

.app {
  height: 100dvh;
  max-width: 680px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Header */
.app__header { text-align: center; flex: none; }

.app__header h1 {
  margin: 0;
  font-size: clamp(1.3rem, 4.5vw, 2.1rem);
  letter-spacing: -0.02em;
}

/* Controls */
.controls {
  flex: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.controls__labelrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.controls__label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.live-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--err);
  padding: 2px 7px;
  border-radius: 999px;
  line-height: 1;
}

.live-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  animation: live-pulse 1.1s ease-in-out infinite;
}

@keyframes live-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

.controls__row { display: flex; gap: 10px; }

.controls__select {
  flex: 1;
  min-width: 0;
  appearance: none;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
  cursor: pointer;
}

.controls__select:disabled { opacity: 0.6; cursor: default; }

.status {
  margin: 8px 0 0;
  min-height: 1.25em; /* reserved so toggling text never shifts layout */
  font-size: 0.84rem;
  color: var(--muted);
}

.status--error { color: var(--err); }
.status--ok { color: var(--ok); }

/* Buttons */
.btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, filter 0.15s ease, opacity 0.15s ease;
  color: var(--text);
  background: var(--panel-2);
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn--ghost { padding: 0 16px; font-size: 1.25rem; line-height: 1; flex: none; }

.btn--primary {
  flex: none;
  align-self: center;
  background: linear-gradient(180deg, #ffdc5e, var(--accent));
  color: #1a1300;
  border-color: #d8a400;
  padding: 12px 34px;
  font-size: 1.05rem;
  box-shadow: 0 6px 18px rgba(255, 210, 63, 0.25);
}

.btn--primary:not(:disabled):hover { filter: brightness(1.05); }

/* Wheel area — flexes to fill remaining height */
.wheel-area {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* The wheel takes whatever vertical space is left after the slots below. */
.wheel-slot {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: grid;
  place-items: center;
}

.wheel-wrap {
  position: relative;
  /* size (square) is set by JS to fit the slot */
  aspect-ratio: 1 / 1;
}

#wheel {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.5));
}

.wheel-pointer {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 26px solid var(--accent);
  z-index: 2;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.6));
}

/* Loading splash (overlays the wheel; absolute, no layout impact) */
.loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-radius: 50%;
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: blur(2px);
  z-index: 3;
  animation: fade-in 0.2s ease;
}

.loading__spinner {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 5px solid rgba(255, 210, 63, 0.18);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

.loading__text {
  margin: 0;
  max-width: 16ch;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Result (reserved height placeholder) */
.result {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 3.2em;
  padding: 8px 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.result__label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.result__text { font-size: 1.35rem; }

/* Footer */
.app__footer {
  flex: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.72rem;
  color: var(--muted);
}

.last-updated { color: var(--muted); font-variant-numeric: tabular-nums; }
.disclaimer { opacity: 0.7; }

/* ---------------------------- Visitor stats ------------------------------ */
/* Floating (i) button — only on small screens. Intentionally discreet. */
.stats-fab {
  position: fixed;
  right: 10px;
  bottom: 10px;
  z-index: 20;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 700;
  font-style: italic;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.15s ease;
}
.stats-fab:hover, .stats-fab:focus-visible { opacity: 0.95; }

.stats-backdrop {
  position: fixed;
  inset: 0;
  z-index: 18;
  background: rgba(0, 0, 0, 0.55);
}

.stats-card {
  position: fixed;
  z-index: 19;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -46%);
  width: min(92vw, 340px);
  max-height: 82dvh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  /* Hidden state keeps the counter image loaded (visibility, not display) so
     every visit is counted even when the modal is closed. */
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.stats-card.is-open {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}

.stats-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.stats-card__title {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.stats-card__close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.stats-card__body img { max-width: 100%; height: auto; display: block; }

.stats-setup { margin: 0; font-size: 0.82rem; color: var(--muted); line-height: 1.55; }
.stats-setup a { color: var(--team1); }
.stats-setup code {
  background: var(--panel-2);
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 0.92em;
}

.stats-card__note {
  margin: 10px 0 0;
  font-size: 0.68rem;
  color: var(--muted);
  opacity: 0.8;
}

.stats-privacy {
  margin: 10px 0 0;
  font-size: 0.66rem;
  line-height: 1.45;
  color: var(--muted);
}

.stats-privacy a { color: var(--team1); }

/* Desktop: dock to the side, always visible — no FAB, backdrop or close. */
@media (min-width: 1200px) {
  .stats-fab,
  .stats-backdrop { display: none !important; }
  .stats-card__close { display: none; }
  .stats-card {
    left: auto;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 230px;
    max-height: 86dvh;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  .stats-card.is-open { transform: translateY(-50%); }
}

/* ------------------------- Educational modal ----------------------------- */
.edu-link {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0;
  margin-bottom: 2px;
}
.edu-link em { font-style: italic; }
.edu-link:hover { text-decoration: underline; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.6);
}

.edu-card {
  position: fixed;
  z-index: 31;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -48%);
  width: min(92vw, 440px);
  max-height: 85dvh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px 18px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.edu-card.is-open {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}

.edu-card__close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.edu-card__title {
  margin: 0 22px 14px 0;
  font-size: 1.18rem;
  line-height: 1.25;
  color: var(--accent);
}

.edu-card__body { font-size: 0.92rem; line-height: 1.55; color: var(--text); }
.edu-card__body p { margin: 0 0 12px; }
.edu-card__body strong { color: #fff; }
.edu-card__tip {
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-bottom: 0 !important;
}