:root {
  color-scheme: light;
  --bg: #f5f6f2;
  --panel: #ffffff;
  --ink: #202421;
  --muted: #66706a;
  --line: #d9ded6;
  --green: #2f7d59;
  --blue: #386f91;
  --amber: #a87721;
  --red: #a3483c;
  --soft: #fbfcf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
select,
input,
textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  background: #fff;
  color: var(--ink);
  padding: 9px 10px;
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.shell {
  width: min(1360px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  font-size: 17px;
}

h3,
h4 {
  font-size: 15px;
}

.actions,
.section-head,
.source-strip,
.field-grid,
.mini-grid {
  display: flex;
  gap: 10px;
}

.actions,
.section-head {
  align-items: center;
}

.section-head {
  justify-content: space-between;
  margin-bottom: 14px;
}

.tool-button,
.small-button,
.primary-button {
  cursor: pointer;
  background: #fff;
  color: var(--ink);
  min-height: 36px;
  padding: 8px 12px;
}

.primary-button {
  width: 100%;
  border-color: var(--green);
  background: var(--green);
  color: #fff;
  font-weight: 700;
}

.import-button {
  position: relative;
  overflow: hidden;
}

.import-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.source-strip,
.metric-grid,
.plan-panel,
.workspace {
  margin-top: 16px;
}

.source-strip {
  flex-wrap: wrap;
  align-items: center;
}

.source-strip span,
.source-strip a {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  padding: 7px 10px;
  font-size: 13px;
  text-decoration: none;
}

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

.metric-grid article,
.panel,
.plan-panel,
.input-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.metric-grid article {
  padding: 16px;
}

.metric-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
  line-height: 1;
}

.plan-panel,
.panel,
.input-panel {
  padding: 18px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.progress-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -4px 0 14px;
}

.progress-stats span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 12px;
}

.plan-step {
  min-height: 120px;
  padding: 12px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  background: var(--soft);
}

.plan-step.done {
  border-left-color: var(--green);
  background: #f4faf5;
}

.plan-step strong,
.plan-step span,
.plan-step small {
  display: block;
}

.plan-step strong {
  margin-bottom: 8px;
}

.plan-step span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.plan-step small {
  margin-top: 10px;
  color: var(--blue);
  font-size: 12px;
  line-height: 1.35;
}

.plan-step.done small {
  color: var(--green);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

form {
  display: grid;
  gap: 12px;
}

.field-grid,
.mini-grid {
  align-items: start;
}

.field-grid > *,
.mini-grid > * {
  flex: 1 1 0;
}

.score-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.score-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.score-total strong {
  font-size: 28px;
}

.score-panel label {
  grid-template-columns: 110px minmax(0, 1fr);
  align-items: center;
}

.board {
  display: grid;
  gap: 16px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(120px, 160px));
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.top-list,
.evidence-list,
.concept-list {
  display: grid;
  gap: 10px;
}

.pain-card,
.evidence-card,
.concept-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  background: var(--soft);
  padding: 12px;
}

.pain-card.hot,
.evidence-card.hot,
.concept-card.pass {
  border-left-color: var(--green);
}

.evidence-card.drop,
.concept-card.fail {
  border-left-color: var(--red);
}

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

.score-pill,
.stage-pill {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 8px;
  background: #eef1ed;
  color: var(--ink);
  font-weight: 700;
  font-size: 12px;
}

.meta,
.fact,
.judgement,
.small-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.fact,
.judgement {
  margin-top: 8px;
  color: var(--ink);
}

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

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tag-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.concept-form {
  margin-bottom: 12px;
}

.empty {
  color: var(--muted);
  padding: 12px 0;
}

@media (max-width: 980px) {
  .topbar,
  .workspace,
  .split-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    align-items: start;
  }

  .metric-grid,
  .plan-grid,
  .toolbar {
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    font-size: 34px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100vw - 20px, 1360px);
    padding-top: 18px;
  }

  .actions,
  .field-grid,
  .mini-grid {
    flex-direction: column;
  }

  .metric-grid,
  .plan-grid,
  .toolbar {
    grid-template-columns: 1fr;
  }
}