:root {
  --bg: #08111a;
  --bg-soft: #0d1823;
  --panel: rgba(15, 26, 37, 0.92);
  --panel-2: rgba(18, 33, 46, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --text: #eff7f3;
  --muted: #9fb5aa;
  --accent: #c7f5cf;
  --accent-strong: #3d8a52;
  --warn: #f7c98b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(113, 196, 130, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(120, 189, 255, 0.08), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(7, 14, 22, 0.94);
  display: grid;
  gap: 22px;
  align-content: start;
}

.brand-block {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, #d7f7de, #b8eec7);
  color: #2c7740;
  display: grid;
  place-items: center;
  font: 700 28px/1 "Space Grotesk", sans-serif;
  box-shadow: 0 14px 28px rgba(63, 138, 82, 0.22);
}

.brand-block h1 {
  margin: 0;
  font: 700 26px/1 "Space Grotesk", sans-serif;
}

.brand-block p,
.sidebar-note p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.side-link {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  display: grid;
  gap: 3px;
}

.side-link strong {
  font-size: 14px;
}

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

.side-link:hover {
  border-color: rgba(199, 245, 207, 0.28);
  background: rgba(199, 245, 207, 0.06);
}

.sidebar-note {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(199, 245, 207, 0.12);
  background: rgba(199, 245, 207, 0.05);
}

.workspace {
  padding: 28px;
  display: grid;
  gap: 22px;
}

.hero-card,
.panel-card,
.summary-card,
.detail-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.hero-card {
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 20px;
  align-items: start;
}

.eyebrow,
.panel-kicker {
  display: inline-block;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font: 700 11px/1.2 "Space Grotesk", sans-serif;
}

.hero-card h2,
.panel-head h3,
.detail-card h3 {
  margin: 10px 0 8px;
  font: 700 30px/1.1 "Space Grotesk", sans-serif;
}

.hero-card p,
.detail-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.device-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.device-note,
.device-pill {
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.device-note {
  display: grid;
  gap: 3px;
}

.device-note strong,
.device-pill strong {
  font: 700 13px/1.2 "Space Grotesk", sans-serif;
}

.device-note span,
.device-pill span {
  color: var(--muted);
  font-size: 12px;
}

.device-pill {
  cursor: pointer;
  display: grid;
  gap: 4px;
  min-width: 160px;
  text-align: left;
}

.device-pill.is-active {
  border-color: rgba(199, 245, 207, 0.34);
  background: rgba(199, 245, 207, 0.08);
  box-shadow: 0 14px 26px rgba(61, 138, 82, 0.14);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--line);
}

.cta-btn.primary {
  background: linear-gradient(135deg, #d7f7de, #b8eec7);
  color: #193422;
  border-color: rgba(199, 245, 207, 0.36);
}

.cta-btn.ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-stats,
.summary-grid,
.detail-grid {
  display: grid;
  gap: 14px;
}

.hero-stats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.summary-card {
  padding: 18px;
}

.summary-card strong {
  display: block;
  font: 700 24px/1 "Space Grotesk", sans-serif;
  margin-top: 10px;
}

.summary-card span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.panel-card {
  padding: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-head h3 {
  font-size: 24px;
}

.feature-list,
.event-feed,
.detail-card ul {
  display: grid;
  gap: 12px;
}

.feature-row,
.event-row,
.detail-item {
  padding: 14px;
  border-radius: 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.detail-item.empty {
  opacity: 0.85;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.feature-row p,
.event-row p,
.detail-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(199, 245, 207, 0.18);
  background: rgba(199, 245, 207, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.tag.warn {
  border-color: rgba(247, 201, 139, 0.22);
  background: rgba(247, 201, 139, 0.08);
  color: var(--warn);
}

.tag.idle {
  border-color: rgba(159, 181, 170, 0.22);
  background: rgba(159, 181, 170, 0.08);
  color: var(--muted);
}

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

.detail-card {
  padding: 20px;
}

.detail-card h3 {
  font-size: 22px;
}

.detail-card ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

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

@media (max-width: 1100px) {
  .app-shell,
  .hero-card,
  .panel-grid,
  .summary-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}