:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #18212f;
  --muted: #657286;
  --line: #dde3ea;
  --blue: #2563eb;
  --green: #12805c;
  --amber: #b45309;
  --sidebar: #172033;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, "Malgun Gothic", sans-serif;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  padding: 9px 12px;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 24px 18px;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.brand-mark {
  align-items: center;
  background: #4f9cff;
  border-radius: 8px;
  display: flex;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.brand span {
  color: #b8c4d6;
  display: block;
  font-size: 12px;
  margin-top: 2px;
}

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

.nav-list a {
  border-radius: 6px;
  color: #d7dfec;
  padding: 11px 12px;
  text-decoration: none;
}

.nav-list a.active,
.nav-list a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.main {
  padding: 28px;
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 22px;
}

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

h1 {
  font-size: 28px;
  line-height: 1.25;
}

h2 {
  font-size: 19px;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.user-chip {
  align-items: flex-end;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
}

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

.summary-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.summary-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-card {
  padding: 18px;
}

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

.summary-card strong {
  display: block;
  font-size: 30px;
  margin-top: 8px;
}

.summary-card.warning strong {
  color: var(--amber);
}

.workspace {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(320px, 0.9fr) minmax(420px, 1.3fr);
  margin-bottom: 18px;
}

.panel {
  padding: 18px;
}

.panel-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

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

.project-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.project-item strong {
  display: block;
  margin-bottom: 6px;
}

.project-meta {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 8px;
}

.status {
  border-radius: 999px;
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  margin-top: 12px;
  padding: 5px 9px;
}

.status.published {
  background: #dff7ed;
  color: var(--green);
}

.status.review {
  background: #e8f0ff;
  color: var(--blue);
}

.status.failed {
  background: #fff4df;
  color: var(--amber);
}

.viewer-layout {
  display: grid;
  gap: 14px;
  grid-template-columns: 180px minmax(0, 1fr);
}

.layers {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.layer-row {
  align-items: center;
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.viewer-placeholder {
  align-items: center;
  background: linear-gradient(180deg, #e8eef6, #cfdbe8);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  height: 320px;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.viewer-placeholder p {
  font-size: 22px;
  font-weight: 800;
  position: relative;
}

.viewer-placeholder span {
  color: var(--muted);
  margin-top: 8px;
  position: relative;
}

.rail-line {
  background: #1b6b4a;
  height: 6px;
  position: absolute;
  transform: rotate(-18deg);
  width: 120%;
}

.point-cloud {
  background-image: radial-gradient(#2563eb 1px, transparent 1px);
  background-size: 16px 16px;
  inset: 40px;
  opacity: 0.35;
  position: absolute;
}

.model-block {
  background: rgba(255, 255, 255, 0.8);
  border: 2px solid #72839a;
  height: 70px;
  position: absolute;
  right: 80px;
  top: 86px;
  transform: skewY(-10deg);
  width: 120px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  padding: 12px 10px;
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 12px;
}

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

  .sidebar {
    display: none;
  }

  .summary-grid,
  .workspace,
  .viewer-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}