:root {
  color-scheme: dark;
  --bg: #101216;
  --panel: #181c22;
  --panel-2: #202630;
  --text: #edf2f7;
  --muted: #9aa7b5;
  --border: #344051;
  --accent: #67d6b5;
  --accent-2: #ffd166;
  --danger: #ff7b7b;
  --ok: #7be495;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 32px;
  line-height: 1.1;
}

h2 {
  font-size: 18px;
}

p {
  color: var(--muted);
  line-height: 1.45;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
}

.rom-panel {
  margin-bottom: 18px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 18px;
  margin-bottom: 18px;
}

.section-title {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
}

.status-pill {
  min-width: 86px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  text-align: center;
}

.status-pill.ready {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok), var(--border) 45%);
}

.dropzone {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 72px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-2);
  cursor: pointer;
}

.dropzone input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.dropzone span,
button {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  background: #242c37;
  color: var(--text);
}

.dropzone strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message {
  margin-top: 12px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #141820;
}

.message.ok {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok), var(--border) 55%);
}

.message.warn {
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2), var(--border) 55%);
}

.message.error {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger), var(--border) 55%);
}

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

.checkline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
}

.preset-list,
.gate-list {
  display: grid;
  gap: 10px;
}

.preset {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

.preset.enabled {
  cursor: pointer;
}

.preset.selected {
  border-color: var(--accent);
}

.preset.disabled {
  opacity: 0.62;
}

.preset strong {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.tag {
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

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

.cheat-options {
  display: grid;
  gap: 9px;
  margin: 2px 0 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #141820;
}

.cheat-options legend {
  padding: 0 6px;
  color: var(--muted);
}

.switchline {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.switchline input {
  width: auto;
}

.seed-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #10151d;
  color: var(--text);
  padding: 10px 11px;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.gate {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

.gate-status {
  color: var(--accent);
}

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

.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.download-button,
.blocked-output {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  background: #242c37;
  color: var(--text);
  text-decoration: none;
}

.blocked-output {
  color: var(--accent-2);
}

#generateButton {
  width: min(260px, 100%);
  background: var(--accent);
  color: #06241d;
  border-color: transparent;
  font-weight: 700;
}

@media (max-width: 820px) {
  .topbar,
  .grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .gate {
    grid-template-columns: 1fr;
  }
}