:root {
  --bg: #f6efe5;
  --ink: #182019;
  --ink-soft: rgba(24, 32, 25, 0.68);
  --line: rgba(24, 32, 25, 0.12);
  --panel: rgba(255, 251, 246, 0.84);
  --accent: #c4572b;
  --accent-dark: #943a18;
  --accent-soft: rgba(196, 87, 43, 0.1);
  --success: #2f6a47;
  --error: #9a2f1d;
  --shadow: 0 24px 70px rgba(79, 43, 11, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(196, 87, 43, 0.18), transparent 24rem),
    radial-gradient(circle at right center, rgba(76, 111, 89, 0.18), transparent 28rem),
    linear-gradient(180deg, #fbf5ed 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(24, 32, 25, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 32, 25, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.redeem-body {
  display: grid;
  place-items: center;
  padding: 24px;
}

.redeem-shell {
  width: min(760px, 100%);
}

.brand-mark {
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}

.mini-title {
  margin: 8px 0 24px;
  text-align: center;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.redeem-card {
  border: 1px solid var(--line);
  background: rgba(255, 251, 246, 0.92);
  border-radius: 32px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.redeem-card h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  text-align: center;
}

.intro-copy {
  max-width: 56ch;
  margin: 16px auto 0;
  text-align: center;
  line-height: 1.8;
  color: var(--ink-soft);
}

.redeem-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.redeem-label {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

textarea {
  width: 100%;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font: inherit;
  resize: vertical;
  min-height: 210px;
}

.redeem-output {
  margin-top: 18px;
}

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

.summary-panel > div {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.58);
  padding: 18px;
}

.summary-panel span {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.summary-panel strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-badge,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.admin-shell {
  padding-top: 32px;
}

.hero-copy {
  padding: 28px;
  border-radius: 30px;
}

.eyebrow,
.kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--ink-soft);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.4rem);
  line-height: 0.95;
  max-width: 12ch;
}

.hero-text {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.hero-badge {
  border-radius: 28px 80px 28px 28px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(135deg, rgba(196, 87, 43, 0.14), rgba(255, 251, 246, 0.92)),
    var(--panel);
}

.hero-badge span {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.hero-badge strong {
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  line-height: 1.05;
}

.grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
}

.panel {
  border-radius: 28px;
  padding: 22px;
}

.panel-head h2,
.board-head h3 {
  margin: 0;
  font-size: 1.7rem;
}

.stack-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.split {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
}

label span,
.result-meta span,
.preview-box p,
.card-meta span,
.stat-card span {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

input,
select,
button,
.download-link {
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid var(--line);
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

button,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

button {
  border: 0;
  background: var(--accent);
  color: #fff8f2;
  font-weight: 700;
}

button:hover,
.download-link:hover {
  transform: translateY(-1px);
}

.message {
  min-height: 24px;
  margin-top: 12px;
  color: var(--ink-soft);
}

.message[data-type="success"] {
  color: var(--success);
}

.message[data-type="error"] {
  color: var(--error);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.6rem;
}

.cards-board {
  margin-top: 26px;
}

.danger-zone {
  margin-top: 26px;
  padding: 20px;
  border-radius: 24px;
  border: 1px solid rgba(154, 47, 29, 0.18);
  background: linear-gradient(180deg, rgba(255, 244, 240, 0.82), rgba(255, 251, 246, 0.92));
}

.danger-head small {
  color: var(--ink-soft);
}

.danger-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.danger-button {
  background: var(--error);
  color: #fff8f2;
}

.danger-button.alt {
  background: rgba(154, 47, 29, 0.12);
  color: var(--error);
  border: 1px solid rgba(154, 47, 29, 0.22);
}

button:disabled,
.download-link:disabled {
  cursor: wait;
  opacity: 0.72;
}

.board-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
}

.cards-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  max-height: 420px;
  overflow: auto;
  padding-right: 2px;
}

.card-item,
.empty-state,
.preview-box,
.result-meta {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
}

.card-item {
  padding: 16px;
}

.card-item.is-used {
  background: rgba(47, 106, 71, 0.09);
}

.card-line,
.card-meta,
.download-actions,
.result-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.card-line strong {
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.empty-state {
  padding: 18px;
  color: var(--ink-soft);
}

.redeem-result {
  margin-top: 14px;
}

.hidden {
  display: none;
}

.result-meta {
  padding: 16px;
}

.result-meta strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
}

.download-actions {
  margin-top: 14px;
}

.download-actions.stacked {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-link {
  flex: 1;
  background: var(--accent);
  color: #fff8f2;
  font-weight: 700;
}

.download-link.alt {
  background: transparent;
  color: var(--ink);
}

.preview-box {
  margin-top: 14px;
  padding: 16px;
}

.preview-box ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 10px;
}

.preview-box li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.preview-box li:first-child {
  border-top: 0;
  padding-top: 0;
}

@media (max-width: 980px) {
  .hero,
  .grid,
  .split,
  .stats-grid,
  .danger-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .redeem-card {
    padding: 24px 18px;
  }

  .summary-panel,
  .download-actions.stacked {
    grid-template-columns: 1fr;
  }
}