.nk-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10050;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding: 0 10px calc(10px + env(safe-area-inset-bottom));
}

.nk-sheet[hidden] {
  display: none;
}

.nk-sheet.is-open {
  pointer-events: none;
}

.nk-sheet-panel {
  pointer-events: auto;
  position: relative;
  width: min(440px, 100%);
  max-height: min(420px, 70vh);
  overflow: auto;
  margin: 0 auto;
  padding: 18px 16px 16px;
  border-radius: 18px 18px 14px 14px;
  background: #fff;
  color: #111827;
  box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.22);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.nk-sheet-x {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #334155;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.nk-sheet-title {
  margin: 0 36px 8px 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
}

.nk-sheet-copy {
  margin: 0 0 14px;
  color: #334155;
  font-size: 14px;
  line-height: 1.45;
}

.nk-sheet-copy a {
  color: #1e3799;
}

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

.nk-sheet-actions button,
.nk-sheet-send {
  flex: 1 1 0;
  min-height: 48px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.nk-sheet-yes,
.nk-sheet-send {
  border: 0;
  background: #1e3799;
  color: #fff;
}

.nk-sheet-no {
  border: 1.5px solid #1e3799;
  background: #fff;
  color: #1e3799;
}

.nk-sheet-phone {
  width: 100%;
  box-sizing: border-box;
  min-height: 48px;
  margin-bottom: 10px;
  padding: 0 12px;
  border: 1.5px solid #cbd5e1;
  border-radius: 12px;
  font-size: 16px;
}

.nk-sheet-phone.is-invalid {
  border-color: #dc2626;
  background: #fef2f2;
}

.nk-sheet-send {
  width: 100%;
}