.support-button {
  position: fixed;
  top: 4px;
  left: 4px;
  z-index: 1150;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 231, 124, .42);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(17, 24, 39, .94), rgba(8, 13, 24, .96));
  color: #fff4bd;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .3), 0 0 18px rgba(255, 231, 124, .08);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .01em;
  cursor: pointer;
}

.support-button:hover,
.support-button:focus-visible {
  border-color: rgba(255, 231, 124, .62);
  background:
    radial-gradient(circle at 50% -10%, rgba(255, 231, 124, .16), transparent 58%),
    linear-gradient(180deg, rgba(24, 34, 52, .98), rgba(8, 13, 24, .96));
  outline: none;
}

.support-button-text {
  white-space: nowrap;
}

.coin-icon {
  position: relative;
  width: 15px;
  height: 15px;
  border-radius: 999px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, .95), rgba(255, 255, 255, .08) 28%, transparent 30%),
    radial-gradient(circle at 50% 50%, rgba(246, 248, 255, .96), rgba(201, 209, 230, .92) 55%, rgba(118, 131, 166, .96) 100%);
  border: 1px solid rgba(79, 92, 122, .95);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, .55),
    inset 0 0 0 1px rgba(72, 84, 112, .82),
    inset 0 -1px 1px rgba(102, 112, 138, .45),
    0 0 8px rgba(225, 234, 255, .26);
}

.coin-icon::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 44%, rgba(83, 95, 123, .22), transparent 54%),
    radial-gradient(circle at 50% 50%, transparent 0 34%, rgba(77, 89, 117, .18) 35%, transparent 42%),
    linear-gradient(135deg, transparent 32%, rgba(89, 101, 129, .12) 33%, rgba(89, 101, 129, .12) 41%, transparent 42%),
    linear-gradient(45deg, transparent 57%, rgba(255, 255, 255, .1) 58%, rgba(255, 255, 255, .1) 64%, transparent 65%);
  box-shadow:
    inset 0 0 0 1px rgba(84, 97, 126, .18),
    inset 0 1px 0 rgba(255, 255, 255, .18);
  opacity: .9;
}

.support-mug-icon {
  width: 18px;
  height: 15px;
  flex: 0 0 auto;
  color: #e6eefc;
  filter: drop-shadow(0 0 2px rgba(230, 238, 252, .18));
}

.support-backdrop[hidden] {
  display: none !important;
}

.support-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(2, 6, 23, .72);
  backdrop-filter: blur(4px);
}

.support-dialog {
  width: min(480px, 100%);
  border: 1px solid rgba(255, 231, 124, .46);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% -18%, rgba(255, 231, 124, .16), transparent 55%),
    linear-gradient(180deg, #111a2c, #071020);
  padding: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}

.support-dialog p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.55;
}

.support-dialog p + p {
  margin-top: 12px;
  color: #fff1af;
  font-weight: 800;
}

.support-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.support-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid #405574;
  border-radius: 8px;
  color: #f8fafc;
  background: #0e182a;
  font: inherit;
  font-size: .95rem;
  font-weight: 900;
  letter-spacing: .01em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.support-action-btn:hover,
.support-action-btn:focus-visible {
  border-color: rgba(255, 231, 124, .75);
  outline: none;
}

.support-action-btn.primary {
  color: #17120a;
  background: linear-gradient(180deg, #ffec86, #ffc83d);
  border-color: #ffe48c;
}