:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #f4f7fb);
  --surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #132238);
  --muted: var(--tg-theme-hint-color, #6b7685);
  --accent: var(--tg-theme-button-color, #2d72e8);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --success: #15966a;
  --warning: #b87800;
  --error: #d04444;
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 38%),
    var(--bg);
  color: var(--text);
}

/*
 * The TMA SDK example does not require a selector, but this spot is configured
 * with #rewarded-ad in the publisher dashboard. Keep a measurable target that
 * stays behind the Mini App until the provider inserts playback content.
 */
#rewarded-ad {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

#rewarded-ad:not(:empty) {
  z-index: 2147483000;
  pointer-events: auto;
}

.shell {
  width: min(100%, 540px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
  position: relative;
}

.card {
  width: 100%;
  padding: 30px 22px 24px;
  border: 1px solid color-mix(in srgb, var(--muted) 18%, transparent);
  border-radius: 26px;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  box-shadow: 0 18px 50px color-mix(in srgb, #001b46 15%, transparent);
  text-align: center;
}

.close-button {
  position: absolute;
  inset: max(18px, env(safe-area-inset-top)) auto auto 18px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--muted) 14%, transparent);
  color: var(--text);
  font-size: 27px;
  line-height: 1;
  cursor: pointer;
}

.gift { font-size: 54px; filter: drop-shadow(0 8px 13px rgb(35 90 180 / 18%)); }
.eyebrow { margin: 10px 0 2px; color: var(--accent); font-size: 13px; font-weight: 700; }
h1 { margin: 4px 0 10px; font-size: clamp(25px, 7vw, 32px); line-height: 1.35; }
.explanation { margin: 0 auto 22px; max-width: 390px; color: var(--muted); line-height: 1.9; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.stat {
  padding: 15px 10px;
  border-radius: 17px;
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}

.stat-label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; }
.stat strong { font-size: 17px; }

.status {
  min-height: 54px;
  margin: 0 0 14px;
  padding: 13px 14px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--muted);
  line-height: 1.7;
}

.status.success { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.status.warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 11%, transparent); }
.status.error { color: var(--error); background: color-mix(in srgb, var(--error) 10%, transparent); }

.spinner {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  border: 2px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.status:not(.loading) .spinner { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

button { font: inherit; }
.reward-button,
.secondary-button {
  width: 100%;
  min-height: 52px;
  border-radius: 15px;
  font-weight: 700;
  cursor: pointer;
}

.reward-button { border: 0; background: var(--accent); color: var(--accent-text); box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 28%, transparent); }
.reward-button:disabled { cursor: not-allowed; opacity: 0.52; box-shadow: none; }
.secondary-button { margin-top: 10px; border: 1px solid color-mix(in srgb, var(--muted) 25%, transparent); background: transparent; color: var(--text); }
.fine-print { margin: 16px 4px 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

@media (max-width: 360px) {
  .card { padding-inline: 15px; }
  .stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.8s; }
}