:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #18202f;
  --muted: #657083;
  --line: #d9e0ea;
  --accent: #1f6feb;
  --accent-strong: #174ea6;
  --accent-soft: #e8f0ff;
  --green: #198754;
  --orange: #b95c00;
  --shadow: 0 18px 45px rgba(25, 40, 70, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  padding: 24px;
}

.workspace {
  max-width: 1240px;
  margin: 0 auto;
}

.topbar,
.summary-band,
.editor,
.results-panel,
.setup-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
}

.topbar h1,
.summary-band h2,
.section-heading h2,
.setup-box h2 {
  margin: 0;
  letter-spacing: 0;
}

.topbar h1 {
  font-size: 28px;
}

.eyebrow,
.label {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.save-status {
  color: var(--green);
  font-size: 14px;
}

.ghost-button,
.primary-button,
.secondary-button {
  border-radius: 6px;
  border: 1px solid var(--line);
  min-height: 40px;
  padding: 0 14px;
  font-weight: 700;
}

.ghost-button {
  background: #fff;
  color: var(--ink);
}

.ghost-button.small {
  min-height: 34px;
  font-size: 13px;
}

.primary-button.small {
  min-height: 34px;
  font-size: 13px;
}

.primary-button {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.secondary-button {
  background: var(--accent-soft);
  border-color: #bfd4ff;
  color: var(--accent-strong);
}

.summary-band {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 1.4fr);
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding: 20px;
}

.summary-band h2 {
  font-size: 32px;
}

.muted,
.helper-text,
.setup-copy {
  color: var(--muted);
}

.plain-note {
  border-left: 4px solid var(--accent);
  padding: 10px 0 10px 16px;
  color: var(--muted);
  line-height: 1.55;
}

.plain-note strong {
  color: var(--ink);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(300px, 0.95fr);
  gap: 18px;
  margin-top: 18px;
}

.editor,
.results-panel {
  padding: 18px;
}

.results-panel {
  grid-column: 1 / -1;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.section-heading h2 {
  font-size: 21px;
}

select,
.name-field input {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}

select {
  max-width: 220px;
}

.name-field {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}

.rating-list,
.priority-list {
  display: grid;
  gap: 12px;
}

.weight-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 12px 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.weight-total {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.weight-total.ready {
  color: var(--green);
}

.weight-total.warning {
  color: var(--orange);
}

.control-row {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(140px, 1.5fr) 46px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.control-title {
  display: grid;
  gap: 3px;
}

.control-title strong {
  font-size: 15px;
}

.control-title span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.value-pill {
  min-width: 42px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  text-align: center;
  padding: 7px 8px;
  font-weight: 700;
}

#probabilityChart {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.result-rows {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) 100px 100px;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.result-row.best {
  border-color: #9ac2ff;
  background: var(--accent-soft);
}

.result-number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.setup-overlay {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.54);
}

.setup-overlay.visible {
  display: grid;
}

.setup-box {
  width: min(520px, 100%);
  padding: 26px;
}

.setup-box h2 {
  font-size: 28px;
}

.setup-copy {
  line-height: 1.55;
}

.setup-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

@media (max-width: 820px) {
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .summary-band,
  .main-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-heading {
    align-items: stretch;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .main-grid {
    display: grid;
  }

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

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

  .value-pill {
    justify-self: start;
  }

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

  .result-number {
    text-align: left;
  }
}