:root {
  color-scheme: light;
  --bg: #f2ecdd;
  --panel: rgba(255, 250, 240, 0.92);
  --ink: #1f1d1a;
  --accent: #0f5c4d;
  --line: rgba(31, 29, 26, 0.14);
  --shadow: 0 18px 50px rgba(53, 40, 22, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(212, 129, 45, 0.2), transparent 34%),
    linear-gradient(135deg, #efe4cf, #e4d7bf 48%, #d9cdb7);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 24px;
  padding: 24px;
}

.panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

h1,
h2,
h3 {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.auth-box {
  margin-bottom: 14px;
}

.auth-compact button {
  margin-top: 0;
}

.preset-bar {
  display: grid;
  grid-template-columns: minmax(150px, 1.3fr) minmax(150px, 1.3fr) max-content max-content max-content;
  align-items: end;
  margin-bottom: 12px;
}

.preset-bar button {
  width: auto;
  margin-top: 0;
  padding: 10px 12px;
  white-space: nowrap;
}

.preset-status {
  grid-column: 1 / -1;
  min-height: 1.2em;
  margin: 0;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.span-2 {
  grid-column: span 2;
}

.span-3 {
  grid-column: span 3;
}

.span-4 {
  grid-column: span 4;
}

.span-6,
.span-all {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 5px;
  font-size: 0.9rem;
  min-width: 0;
}

fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.42);
}

.thresholds-grid,
.custom-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

legend {
  padding: 0 4px;
  font-size: 0.95rem;
}

.checkbox-label,
.rating-checks label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rating-checks {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, max-content);
  gap: 8px 12px;
  align-items: center;
}

input,
select,
button,
textarea {
  width: 100%;
  min-width: 0;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
}

input,
select,
textarea {
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.72);
}

input[type="checkbox"] {
  width: auto;
  margin: 0;
}

button {
  margin-top: 18px;
  padding: 13px 16px;
  border: 0;
  color: #fff8eb;
  background: linear-gradient(135deg, var(--accent), #12493f);
  cursor: pointer;
}

.button-secondary {
  background: linear-gradient(135deg, #7e6e54, #5e5340);
}

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

.meta {
  color: rgba(31, 29, 26, 0.72);
  font-size: 0.9rem;
}

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: "Courier New", monospace;
}

.seed-field textarea {
  min-height: 190px;
}

.output textarea {
  min-height: 240px;
}

@media (max-width: 1180px) {
  .settings-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .preset-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preset-bar button {
    width: 100%;
  }

  .span-2,
  .span-3,
  .span-4,
  .span-6 {
    grid-column: 1 / -1;
  }

  .thresholds-grid,
  .custom-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .settings-grid,
  .preset-bar,
  fieldset,
  .thresholds-grid,
  .custom-grid {
    grid-template-columns: 1fr;
  }

  .span-2,
  .span-3,
  .span-4,
  .span-6,
  .span-all {
    grid-column: 1 / -1;
  }

  .rating-checks {
    grid-template-columns: repeat(2, max-content);
  }
}