:root {
  --sage: #8A9A6F;
  --sage-light: #A3B899;
  --mint: #D4DFC7;
  --apricot: #F4C37B;
  --orange: #F4A261;
  --coral: #E08E79;
  --pink: #EAC4C4;
  --cream: #FDFBF7;
  --surface: #F7F3EB;
  --ink: #4A443D;
  --muted: #8C847B;
  --shadow: 0 6px 18px rgba(74, 68, 61, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  padding-bottom: 48px;
}

.page-header {
  text-align: center;
  padding: 32px 16px 16px;
  background: linear-gradient(180deg, var(--mint) 0%, var(--cream) 100%);
}

.page-header h1 {
  margin: 0;
  font-size: 28px;
  color: var(--ink);
  letter-spacing: 2px;
}

.subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.settings-main {
  max-width: none;
  margin: 0 auto;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-block {
  background: var(--surface);
  border-radius: 24px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.control-block h2 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--sage);
  display: flex;
  align-items: center;
  gap: 6px;
}

.star {
  color: var(--apricot);
  font-size: 16px;
}

.inline-label,
.editor-tools label,
.per-screen-digits label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  color: var(--ink);
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--mint);
  border-radius: 14px;
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  outline: none;
  transition: border-color .2s;
}

input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--sage);
}

input::placeholder {
  color: #b8b0a6;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  border: none;
  border-radius: 16px;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
  transition: transform .08s, box-shadow .2s;
  font-family: inherit;
}

.btn:active {
  transform: scale(0.96);
}

.btn-main {
  background: var(--sage);
  color: #fff;
  box-shadow: 0 4px 10px rgba(138, 154, 111, 0.28);
}

.btn-soft {
  background: var(--mint);
  color: var(--ink);
}

.btn-warn {
  background: var(--apricot);
  color: var(--ink);
}

.btn-danger {
  background: var(--coral);
  color: #fff;
}

.slider-box {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 12px 0;
}

input[type="range"] {
  flex: 1;
  accent-color: var(--sage);
  height: 6px;
  border-radius: 3px;
  background: var(--mint);
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 2px 6px rgba(138, 154, 111, 0.4);
  cursor: pointer;
}

.value-badge {
  min-width: 32px;
  text-align: center;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--sage-light);
  color: #fff;
  font-size: 14px;
}

.inline-label {
  margin-bottom: 10px;
}

.per-screen-digits {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1.5px dashed var(--mint);
}

.per-screen-digits h3 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--muted);
}

.digit-inputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.digit-inputs label {
  text-align: center;
  font-size: 13px;
}

.digit-inputs input {
  margin-top: 4px;
  text-align: center;
}

.screen-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.tab {
  flex: 1;
  padding: 8px 0;
  border: none;
  border-radius: 14px;
  background: var(--cream);
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
}

.tab.active {
  background: var(--sage);
  color: #fff;
}

.editor-workspace {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.pixel-grid {
  display: grid;
  grid-template-columns: repeat(8, 28px);
  grid-template-rows: repeat(8, 28px);
  gap: 3px;
  padding: 6px;
  background: var(--cream);
  border-radius: 16px;
  box-shadow: inset 0 2px 8px rgba(74, 68, 61, 0.06);
}

.pixel-cell {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--mint);
  cursor: pointer;
  transition: background .15s;
}

.pixel-cell.on {
  background: var(--sage);
  box-shadow: 0 2px 5px rgba(138, 154, 111, 0.35);
}

.editor-tools {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  width: 100%;
}

.editor-tools label {
  flex: 1;
}

.editor-tools input {
  margin-top: 4px;
  font-family: monospace;
}

.log-box {
  min-height: 120px;
  max-height: 220px;
  overflow-y: auto;
  margin: 0;
  padding: 12px;
  border-radius: 16px;
  background: var(--cream);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink);
  white-space: pre-wrap;
}

@media (min-width: 560px) {
  .editor-workspace {
    flex-direction: row;
    align-items: flex-start;
  }
}