:root {
  color-scheme: light;
  --bg: #f4efe7;
  --ink: #17120c;
  --muted: #736859;
  --line: #e1d5c4;
  --panel: rgba(255, 252, 246, 0.92);
  --accent: #bc4b2f;
  --accent-strong: #8d2f1e;
  --good: #1f7a4d;
  --bad: #b3261e;
  --shadow: 0 28px 80px rgba(59, 37, 18, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  background:
    radial-gradient(circle at 18% 16%, rgba(188, 75, 47, 0.24), transparent 32rem),
    radial-gradient(circle at 84% 12%, rgba(24, 83, 94, 0.18), transparent 28rem),
    linear-gradient(135deg, #f7f0e3, var(--bg));
}

button,
input,
textarea {
  font: inherit;
}

.shell {
  width: min(920px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 48px 0;
}

.admin-grid {
  align-content: start;
  padding-top: 38px;
}

.card {
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid rgba(109, 82, 49, 0.22);
  border-radius: 30px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::after {
  position: absolute;
  right: -90px;
  top: -90px;
  width: 220px;
  height: 220px;
  content: "";
  border-radius: 999px;
  background: conic-gradient(from 120deg, rgba(188, 75, 47, 0.38), rgba(24, 83, 94, 0.22), transparent);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font: 700 0.78rem/1 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.2rem, 8vw, 5.6rem);
  letter-spacing: -0.06em;
}

h2 {
  font-size: 1.5rem;
}

.muted {
  color: var(--muted);
}

.form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 8px;
  color: #3d3226;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--ink);
  background: #fffaf1;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea,
pre,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(188, 75, 47, 0.12);
}

button {
  width: fit-content;
  cursor: pointer;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  color: #fff8ef;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-weight: 800;
  box-shadow: 0 14px 32px rgba(141, 47, 30, 0.24);
}

button.secondary {
  padding: 10px 16px;
  color: var(--accent-strong);
  background: #f4e4d6;
  box-shadow: none;
}

button.danger {
  color: #fff8ef;
  background: var(--bad);
  box-shadow: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.check {
  grid-template-columns: auto 1fr;
  align-items: center;
  font-weight: 600;
}

.check input {
  width: auto;
}

.message {
  min-height: 1.4em;
  margin: 18px 0 0;
  font-weight: 800;
}

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

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

.preview {
  overflow: auto;
  max-height: 420px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #1f1a14;
  color: #f8ead9;
}

.admin-link {
  justify-self: center;
  color: var(--accent-strong);
  font-weight: 800;
}

.split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.cards {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cards li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffaf1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.card-select {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.card-info {
  display: grid;
  min-width: 0;
  gap: 6px;
}

.card-title {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.card-meta {
  margin: 0;
  color: var(--muted);
  font: 600 0.82rem/1.35 ui-sans-serif, system-ui, sans-serif;
}

.card-actions {
  display: flex;
  flex-shrink: 0;
  gap: 8px;
}

.usage-badge {
  flex-shrink: 0;
  border-radius: 999px;
  padding: 4px 9px;
  font: 900 0.72rem/1 ui-sans-serif, system-ui, sans-serif;
}

.usage-badge.is-used {
  color: var(--good);
  background: rgba(31, 122, 77, 0.12);
}

.usage-badge.is-unused {
  color: var(--muted);
  background: rgba(115, 104, 89, 0.14);
}

.result-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.batch-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.result-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) minmax(160px, auto) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fffaf1;
}

.result-row span {
  font-weight: 900;
}

.result-row.is-ok span {
  color: var(--good);
}

.result-row.is-bad span {
  color: var(--bad);
}

.result-row strong,
.result-row code,
.cards code {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-button {
  min-width: 86px;
  padding: 8px 12px;
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 22px, 920px);
    padding: 24px 0;
  }

  .card {
    border-radius: 22px;
    padding: 22px;
  }

  button {
    width: 100%;
  }

  .result-row {
    grid-template-columns: 1fr;
  }

  .cards li,
  .card-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .card-toolbar,
  .split {
    align-items: stretch;
    flex-direction: column;
  }
}