:root {
  color-scheme: dark;
  --bg: #111712;
  --ink: #edf2e8;
  --muted: #aab5a8;
  --panel: #1a241d;
  --panel-soft: #202c24;
  --field: #121a15;
  --line: #3a473d;
  --line-strong: #63715f;
  --bronze: #b97844;
  --silver: #9aa8b2;
  --gold: #c49a3d;
  --chaos: #b05a8d;
  --leaf: #7ccf91;
  --focus: #8bb7ff;
  --dark: #253629;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgb(70 99 73 / 0.24), transparent 36rem),
    linear-gradient(180deg, #121912 0%, var(--bg) 42rem);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  border-color: var(--line-strong);
  background: #26342a;
}

button.primary {
  background: #314b38;
  border-color: #58705b;
  color: var(--ink);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  color: var(--ink);
  padding: 10px 12px;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid rgb(139 183 255 / 0.58);
  outline-offset: 2px;
}

input[type="checkbox"] {
  accent-color: #7aa7ff;
}

::placeholder {
  color: #879587;
}

textarea {
  resize: vertical;
}

.app-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 34px;
}

.topbar,
.controls,
.status-grid,
.workspace,
.prize-panel {
  margin-top: 16px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 0.95;
}

h2 {
  font-size: 1.15rem;
}

.seed-badge,
.controls,
.status-grid article,
.card-wrap,
.side-panel,
.prize-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgb(0 0 0 / 0.18);
}

.seed-badge {
  min-width: 220px;
  padding: 12px 14px;
  text-align: right;
}

.seed-badge span,
.status-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.seed-badge strong {
  display: block;
  overflow-wrap: anywhere;
}

.controls {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto auto;
  gap: 14px;
  align-items: end;
  padding: 14px;
}

.field label,
.difficulty-panel legend {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.inline-control,
.action-row {
  display: flex;
  gap: 8px;
}

.inline-control input {
  min-width: 0;
}

.inline-control button,
.action-row button {
  padding-inline: 14px;
  white-space: nowrap;
}

.difficulty-panel {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 7px 12px;
  margin: 0;
  padding: 0;
  border: 0;
}

.difficulty-panel label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
}

.difficulty-panel input[type="checkbox"] {
  width: 1rem;
  min-width: 1rem;
  max-width: 1rem;
  flex: 0 0 auto;
  margin: 0;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.status-grid article {
  padding: 12px 14px;
}

.status-grid strong {
  display: block;
  margin-top: 3px;
  font-size: 1.05rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

.card-wrap,
.side-panel {
  padding: 14px;
}

.card-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.warning {
  margin: 0;
  color: #f4b184;
  font-size: 0.9rem;
  font-weight: 800;
}

.load-error {
  margin: 0;
  padding: 18px;
  color: #f4b184;
  font-weight: 800;
}

.bingo-card {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 2px solid #3d5342;
  background: #3d5342;
  gap: 2px;
}

.square {
  position: relative;
  display: flex;
  min-height: 128px;
  border: 0;
  border-radius: 0;
  background: #243128;
  color: var(--ink);
  padding: 9px;
  text-align: left;
  flex-direction: column;
  justify-content: space-between;
}

.square:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -5px;
}

.square.completed {
  background: #203f2b;
}

.square-sticker {
  position: absolute;
  right: 7px;
  bottom: 7px;
  width: min(58%, 82px);
  height: auto;
  pointer-events: none;
  z-index: 2;
  filter: drop-shadow(0 3px 5px rgb(0 0 0 / 0.18));
}

.square.completed .square-name {
  padding-right: 18%;
}

.square.completed .square-tier {
  position: relative;
  z-index: 3;
}

.square.free {
  background: #17241b;
  color: var(--ink);
}

.square-name {
  display: block;
  width: 100%;
  font-size: clamp(0.78rem, 1.6vw, 1.02rem);
  font-weight: 850;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.square-tier {
  align-self: flex-start;
  border-radius: 999px;
  color: #141914;
  padding: 3px 7px;
  font-size: 0.68rem;
  font-weight: 900;
}

.tier-Bronze {
  background: var(--bronze);
  color: #17110d;
}

.tier-Silver {
  background: var(--silver);
  color: #101719;
}

.tier-Gold {
  background: var(--gold);
  color: #161207;
}

.tier-Chaos {
  background: var(--chaos);
  color: #180d15;
}

.tier-Free {
  background: #7b8a7a;
  color: #101510;
}

.side-panel {
  display: grid;
  gap: 12px;
}

#summaryOutput {
  min-height: 210px;
  color: var(--ink);
}

.export-preview {
  display: grid;
  gap: 8px;
}

.export-preview a {
  color: #9fcbff;
  font-weight: 800;
}

.export-preview img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
}

.prize-panel {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.prize-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.prize-heading p:last-child {
  max-width: 290px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: right;
}

.prize-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.prize-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prize-actions button {
  padding-inline: 14px;
}

#prizeOutput {
  min-height: 250px;
}

@media (max-width: 940px) {
  .controls,
  .workspace,
  .status-grid,
  .prize-controls {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .seed-badge {
    text-align: left;
  }

  .prize-heading {
    flex-direction: column;
  }

  .prize-heading p:last-child {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 18px, 1180px);
    padding-top: 12px;
  }

  .action-row,
  .inline-control {
    flex-direction: column;
  }

  .difficulty-panel {
    grid-template-columns: 1fr;
  }

  .square {
    min-height: 86px;
    padding: 6px;
  }

  .square-tier {
    padding: 2px 5px;
    font-size: 0.58rem;
  }
}