:root {
  color-scheme: dark;
  --bg: #07111c;
  --panel: rgba(15, 25, 42, 0.94);
  --line: rgba(93, 203, 255, 0.28);
  --text: #f5f8ff;
  --muted: #9fb0c8;
  --accent: #ff8a24;
  --cyan: #6ee7f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 138, 36, 0.18), transparent 30%),
    radial-gradient(circle at 82% 28%, rgba(110, 231, 248, 0.14), transparent 28%),
    linear-gradient(160deg, #050b14 0%, var(--bg) 55%, #0b1320 100%);
  color: var(--text);
  min-height: 100vh;
}

.cashier-page {
  display: grid;
  place-items: center;
  padding: 34px 16px;
}

.cashier-shell {
  width: min(100%, 520px);
}

.cashier-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.cashier-brand {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 26px;
}

.cashier-brand span {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 8px;
  color: #0b1220;
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, #ff8a24, #6ee7f8);
}

.cashier-brand h1 {
  margin: 0 0 6px;
  font-size: 34px;
  letter-spacing: 0;
}

.cashier-brand p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.cashier-form {
  display: grid;
  gap: 16px;
}

.cashier-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
}

.cashier-pay-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pay-choice,
.primary,
input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  min-height: 56px;
  font: inherit;
}

.pay-choice {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  font-weight: 700;
}

.pay-choice.active {
  color: #09111f;
  background: linear-gradient(135deg, #ff8a24, #6ee7f8);
}

input {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  padding: 0 18px;
  font-size: 20px;
  outline: none;
}

input::placeholder {
  color: rgba(245, 248, 255, 0.45);
}

.primary {
  margin-top: 8px;
  color: #0b101c;
  background: linear-gradient(135deg, #ff9b28, #ff5a2d);
  border: 0;
  font-size: 22px;
  font-weight: 800;
}

.primary:disabled {
  cursor: wait;
  opacity: 0.65;
}

.status-line {
  min-height: 24px;
  margin: 0;
  color: var(--cyan);
  line-height: 1.5;
}

@media (max-width: 420px) {
  .cashier-card {
    padding: 22px;
  }

  .cashier-brand h1 {
    font-size: 30px;
  }
}