:root {
  --ink: #2f363b;
  --muted: #66717a;
  --line: #dfe4e8;
  --soft: #f4f7f8;
  --white: #ffffff;
  --red: #d8202a;
  --red-dark: #ad1420;
  --green: #1f7a52;
  --shadow: 0 22px 50px rgba(36, 43, 49, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(216, 32, 42, 0.08), transparent 34%),
    linear-gradient(160deg, #ffffff 0%, #eef3f5 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 14px;
}

.panel {
  width: min(100%, 430px);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(47, 54, 59, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login-panel {
  padding: 30px 22px 24px;
}

.brand-logo {
  display: block;
  width: min(270px, 82%);
  margin: 0 auto 28px;
}

.login-copy,
.screen-title {
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: 0;
}

.login-form {
  display: grid;
  gap: 15px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--white);
  outline: none;
}

input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(216, 32, 42, 0.12);
}

.error-message {
  min-height: 18px;
  margin: 0;
  color: var(--red-dark);
  font-size: 13px;
  font-weight: 700;
}

.primary-button,
.secondary-button,
.text-button {
  min-height: 48px;
  border-radius: 7px;
  border: 0;
  font-weight: 800;
}

.primary-button {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 10px 22px rgba(216, 32, 42, 0.22);
}

.primary-button:active {
  transform: translateY(1px);
}

.secondary-button {
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
}

.text-button {
  min-height: 40px;
  padding: 0 12px;
  color: var(--red);
  background: transparent;
}

.shop-panel {
  padding: 18px;
}

.shop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 20px;
}

.header-logo {
  width: 155px;
  max-width: 62%;
}

.voucher-grid {
  display: grid;
  gap: 12px;
}

.voucher-option {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 16px;
  text-align: left;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(36, 43, 49, 0.08);
}

.voucher-option strong {
  display: block;
  font-size: 21px;
  line-height: 1.1;
}

.voucher-option span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.voucher-price {
  min-width: 74px;
  color: var(--red);
  font-size: 17px;
  font-weight: 900;
  text-align: right;
}

.voucher-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 16px;
  padding: 18px 14px;
  background: rgba(31, 37, 41, 0.68);
}

.voucher-card {
  width: min(100%, 390px);
  overflow: hidden;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.voucher-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px dashed #c9d1d6;
}

.voucher-logo {
  width: 150px;
  max-width: 58%;
}

.voucher-badge {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-align: right;
  text-transform: uppercase;
}

.voucher-main {
  padding: 22px 18px 8px;
}

.voucher-main h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1;
  letter-spacing: 0;
}

.voucher-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.code-block {
  margin: 18px;
  padding: 17px 14px;
  border: 2px dashed var(--red);
  border-radius: 8px;
  text-align: center;
  background: #fff8f8;
}

.code-block span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.code-block strong {
  display: block;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(28px, 9vw, 40px);
  line-height: 1.1;
  letter-spacing: 0;
}

.voucher-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.voucher-meta div {
  padding: 14px 18px;
}

.voucher-meta div + div {
  border-left: 1px solid var(--line);
}

.voucher-meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.voucher-meta strong {
  display: block;
  margin-top: 5px;
}

.fine-print {
  margin: 0;
  padding: 16px 18px 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.modal-actions {
  width: min(100%, 390px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hidden {
  display: none !important;
}

@media (max-width: 360px) {
  .app-shell {
    padding: 12px;
  }

  .login-panel,
  .shop-panel {
    padding: 18px 14px;
  }

  .voucher-option {
    grid-template-columns: 1fr;
  }

  .voucher-price {
    text-align: left;
  }
}

@media print {
  body {
    background: #ffffff;
  }

  body * {
    visibility: hidden;
  }

  #print-area,
  #print-area * {
    visibility: visible;
  }

  #print-area {
    position: fixed;
    inset: 20px auto auto 20px;
    width: calc(100% - 40px);
    box-shadow: none;
  }

  .modal-actions {
    display: none;
  }
}