:root {
  color-scheme: light;
  --bg: #f5f6f4;
  --surface: #ffffff;
  --surface-alt: #eef2ee;
  --ink: #1d2522;
  --muted: #65716b;
  --line: #d9ded8;
  --accent: #167761;
  --accent-strong: #0f5f4d;
  --warn: #ad5037;
  --focus: #275f91;
  --shadow: 0 16px 40px rgba(34, 45, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

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

button {
  min-height: 36px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  padding: 0 14px;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button.secondary,
.nav-item {
  border-color: transparent;
  background: transparent;
  color: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(39, 95, 145, 0.12);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #24332e;
  color: #f7faf7;
  padding: 22px 18px;
}

.brand {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 30px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #f1c46b;
  color: #25322e;
  font-weight: 800;
}

.brand h1,
.topbar h2,
.panel h3 {
  margin: 0;
  line-height: 1.15;
}

.brand h1 {
  font-size: 16px;
}

.brand p,
.topbar p {
  margin: 4px 0 0;
  color: rgba(247, 250, 247, 0.68);
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  color: rgba(247, 250, 247, 0.78);
}

.nav-item.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}

.topbar h2 {
  font-size: 24px;
}

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

.auth-strip {
  display: grid;
  grid-template-columns: minmax(200px, 280px) minmax(180px, 260px) auto;
  gap: 8px;
  align-items: center;
}

.toast {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: #fff;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.toast.error {
  border-left-color: var(--warn);
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

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

.grid.two {
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
}

.config-grid {
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
}

.player-grid {
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
}

.panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.panel h3 {
  font-size: 15px;
}

.section-head {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.section-head h4 {
  margin: 0;
  font-size: 13px;
}

.actions,
.inline {
  display: flex;
  gap: 8px;
  align-items: center;
}

.inline input {
  min-width: 0;
}

.reward-field {
  align-items: stretch;
}

.reward-field button {
  flex: 0 0 auto;
}

.list {
  display: grid;
  gap: 8px;
}

.row {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-alt);
  padding: 11px;
}

.row.is-selected {
  border-color: var(--accent);
  background: #e9f4f0;
}

.row-main {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
}

.row-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 750;
}

.meta {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: #e4e9e5;
  color: #35443f;
  padding: 2px 9px;
  font-size: 12px;
  white-space: nowrap;
}

.editor-panel {
  min-height: calc(100vh - 150px);
}

.builder-section {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  padding: 14px;
}

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

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

.form-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.json-details {
  display: grid;
  gap: 10px;
}

.json-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

textarea {
  min-height: 560px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
}

.json-details textarea {
  min-height: 280px;
}

.edit-table {
  display: grid;
  gap: 6px;
  overflow-x: auto;
}

.edit-row {
  display: grid;
  gap: 8px;
  align-items: center;
  min-width: 840px;
}

.levels-editor .edit-row {
  grid-template-columns: 80px 96px minmax(220px, 1fr) minmax(220px, 1fr) 92px;
}

.tasks-editor .edit-row {
  grid-template-columns: minmax(150px, 1fr) 110px minmax(150px, 1fr) 90px 120px 90px minmax(180px, 1fr) 92px;
}

.profiles-editor .edit-row {
  grid-template-columns: minmax(150px, 1fr) 120px minmax(300px, 2fr) 92px;
}

.edit-head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.edit-row button {
  padding: 0 8px;
}

.result,
.json-view {
  min-height: 44px;
  max-height: 460px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #111816;
  color: #d9f2e9;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
}

.table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.table-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr 120px 96px;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.table-row:last-child {
  border-bottom: 0;
}

.table-head {
  background: #edf1ed;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.sim-result {
  display: grid;
  gap: 10px;
}

.sim-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.insight-list {
  display: grid;
  gap: 8px;
}

.insight {
  display: grid;
  gap: 3px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--focus);
  border-radius: 6px;
  background: #fff;
  padding: 10px 12px;
}

.insight strong {
  font-size: 12px;
  text-transform: capitalize;
}

.insight span {
  color: var(--muted);
  font-size: 12px;
}

.insight.warning {
  border-left-color: #b4791c;
}

.insight.danger {
  border-left-color: var(--warn);
}

.sim-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.sim-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.sim-metrics span {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 12px;
}

.sim-metrics b {
  color: var(--ink);
  font-size: 16px;
}

.pill.good {
  background: #dcefe8;
  color: #12644f;
}

.pill.warn {
  background: #f7ead1;
  color: #805213;
}

.pill.bad {
  background: #f5ded8;
  color: #963f2d;
}

.spark {
  display: flex;
  align-items: end;
  gap: 2px;
  height: 52px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
  overflow: hidden;
}

.spark-bar {
  flex: 1 1 4px;
  min-width: 3px;
  border-radius: 2px 2px 0 0;
  background: #9db6ab;
}

.spark-bar.complete {
  background: var(--accent);
}

.reward-dialog {
  width: min(720px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 24px 70px rgba(29, 37, 34, 0.24);
}

.reward-dialog::backdrop {
  background: rgba(29, 37, 34, 0.38);
}

.dialog-panel {
  display: grid;
  gap: 14px;
  background: #fff;
  padding: 16px;
}

.reward-dialog-rows,
.filter-dialog-rows {
  display: grid;
  gap: 8px;
  max-height: 420px;
  overflow: auto;
}

.reward-dialog-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(120px, 1fr) 110px 92px;
  gap: 8px;
  align-items: center;
}

.filter-dialog-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(220px, 2fr) 92px;
  gap: 8px;
  align-items: center;
}

.reward-dialog-head,
.filter-dialog-head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.dialog-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
    border-right: 0;
    padding: 14px;
  }

  .brand {
    margin-bottom: 12px;
  }

  .nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .nav-item {
    text-align: center;
    padding: 0 6px;
  }

  .topbar,
  .grid.two,
  .config-grid,
  .player-grid,
  .sim-grid,
  .form-grid.three,
  .form-grid.four {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .auth-strip {
    grid-template-columns: 1fr;
  }

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

  .reward-dialog-row,
  .filter-dialog-row {
    grid-template-columns: 1fr;
  }
}