:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --panel: #ffffff;
  --soft: #eef5f2;
  --line: #d6e2dc;
  --text: #17201d;
  --muted: #64736d;
  --green: #31c4a1;
  --blue: #4078f2;
  --amber: #bd7b12;
  --danger: #b74242;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f7faf8 0%, #edf4f1 46%, #f8fafb 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button, a { font: inherit; }

.hero,
.tabs,
.board-shell {
  width: min(1480px, calc(100vw - 40px));
  margin: 0 auto;
}

.auth-mode .tabs {
  display: none;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgb(49 196 161 / .18), transparent 42%),
    var(--panel);
  padding: 24px;
  margin-top: 28px;
  box-shadow: 0 18px 46px rgb(21 49 42 / .08);
}

.hero h1 {
  margin: 4px 0 8px;
  font-size: 38px;
}

.hero p {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.eyebrow,
.card > span,
.stat span,
.folder-grid span,
.storage-stats span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.button,
.tabs button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  color: var(--text);
  padding: 10px 13px;
  font-weight: 850;
  text-decoration: none;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgb(255 255 255 / .92);
  backdrop-filter: blur(14px);
  padding: 10px;
  margin-top: 14px;
}

.tabs button.active,
.tabs button:hover {
  border-color: rgb(49 196 161 / .55);
  background: rgb(49 196 161 / .12);
}

.board-shell {
  padding: 16px 0 56px;
}

.session-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.session-bar button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 8px 10px;
  font-weight: 900;
}

.grid,
.split,
.agent-grid,
.storage-layout,
.access-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.split,
.storage-layout,
.access-layout {
  grid-template-columns: 1fr;
}

.card,
.timeline article,
.architecture-map section,
.phase-list section,
.gate-grid section,
.rule-flow span,
.storage-stats article,
.folder-grid article,
.log-list section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.card {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.card.wide {
  grid-column: 1 / -1;
}

.card h2,
.card h3,
.card h4 {
  margin: 5px 0;
}

.card p,
.card li,
.phase-list p,
.architecture-map p,
.gate-grid p {
  color: var(--muted);
  line-height: 1.5;
}

.card-head,
.agent .card-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 12px;
  font-weight: 900;
}

.pill.locked {
  border-color: rgb(49 196 161 / .45);
  background: rgb(49 196 161 / .12);
  color: #176b59;
}

.stat strong {
  font-size: 30px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.timeline article {
  display: grid;
  gap: 7px;
  padding: 12px;
  background: #f8fbfa;
}

.timeline article.started {
  border-color: rgb(49 196 161 / .45);
  background: rgb(49 196 161 / .08);
}

.timeline article > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-weight: 900;
}

.timeline small,
.meta,
.agent small,
.log-list small {
  color: var(--muted);
}

.progress {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: #dce8e3;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--green);
}

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

.architecture-map section,
.gate-grid section {
  padding: 14px;
  background: #f8fbfa;
}

.phase-list {
  display: grid;
  gap: 10px;
}

.phase-list section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 16px;
  padding: 14px;
}

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

.agent .card-head > strong {
  display: grid;
  place-items: center;
  min-width: 56px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
}

.meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  font-weight: 850;
}

.problem,
.clear {
  margin: 0;
  border-radius: var(--radius);
  padding: 10px;
}

.problem {
  border: 1px solid rgb(189 123 18 / .35);
  background: rgb(189 123 18 / .08);
}

.clear {
  border: 1px solid rgb(49 196 161 / .32);
  background: rgb(49 196 161 / .08);
  color: #176b59;
}

.rule-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.rule-flow span {
  padding: 12px;
  text-align: center;
  font-weight: 900;
  background: #f8fbfa;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 150px;
  border: 1px dashed rgb(49 196 161 / .65);
  border-radius: var(--radius);
  background: rgb(49 196 161 / .08);
  text-align: center;
  padding: 18px;
}

.dropzone strong {
  font-size: 24px;
}

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

.dropzone.dragging {
  background: rgb(49 196 161 / .16);
}

.storage-stats,
.folder-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.storage-stats article,
.folder-grid article,
.log-list section {
  padding: 14px;
}

.storage-stats strong,
.folder-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 24px;
}

.folder-grid small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

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

.log-list section {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.form-grid,
.user-row,
.mini-form {
  display: grid;
  gap: 10px;
}

.form-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr)) auto;
  align-items: end;
}

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

.user-row {
  grid-template-columns: 1.1fr 1.45fr .9fr .8fr 1.2fr .9fr auto auto;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fbfa;
  padding: 10px;
}

.auth-shell {
  min-height: 54vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(520px, 100%);
}

.auth-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.mini-form {
  grid-template-columns: 1fr;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

input,
select {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 10px 11px;
  font: inherit;
  font-size: 14px;
  text-transform: none;
}

form button {
  border: 1px solid rgb(49 196 161 / .55);
  border-radius: var(--radius);
  background: rgb(49 196 161 / .16);
  color: #176b59;
  padding: 10px 12px;
  font-weight: 900;
  cursor: pointer;
}

.table-list,
.role-list {
  display: grid;
  gap: 8px;
}

.role-list section,
.token-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fbfa;
  padding: 12px;
}

.role-list p {
  margin: 7px 0;
}

.role-list small {
  color: var(--muted);
  line-height: 1.45;
}

.token-box {
  display: grid;
  gap: 8px;
  border-color: rgb(189 123 18 / .35);
  background: rgb(189 123 18 / .08);
}

.token-box code {
  display: block;
  overflow: auto;
  border-radius: var(--radius);
  background: #17201d;
  color: #fff;
  padding: 10px;
}

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

@media (max-width: 980px) {
  .hero,
  .card-head,
  .log-list section {
    flex-direction: column;
  }

  .grid,
  .agent-grid,
  .timeline,
  .architecture-map,
  .phase-list section,
  .gate-grid,
    .rule-flow,
    .storage-stats,
    .folder-grid,
    .form-grid,
    .user-row,
    .api-flow {
    grid-template-columns: 1fr;
  }

  .wide-input {
    grid-column: auto;
  }
}