:root {
  color-scheme: dark;
  --bg: #050608;
  --panel: #101318;
  --panel-2: #171b22;
  --text: #f5f7fa;
  --muted: #9ba3af;
  --line: rgba(255, 255, 255, 0.13);
  --hot: #ff3d2e;
  --ok: #6ef0bd;
  --warn: #ffc857;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 72% 8%, rgba(255, 61, 46, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 260px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 3;
  display: flex;
  width: 260px;
  flex-direction: column;
  gap: 28px;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: 142px;
}

.brand img {
  display: block;
  width: 100%;
  filter: brightness(0) invert(1);
}

.side-nav {
  display: grid;
  gap: 4px;
}

.side-nav a {
  padding: 12px 14px;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.side-nav a:hover,
.side-nav a.is-active {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.client-card {
  margin-top: auto;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.client-card span,
.eyebrow,
.metrics-grid span,
.equipment-grid span,
.maintenance-list span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.client-card strong {
  display: block;
  margin: 8px 0;
  font-size: 1.55rem;
}

.client-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.portal-shell {
  width: min(1480px, calc(100% - 300px));
  margin-left: 260px;
  padding: 32px clamp(24px, 4vw, 56px) 64px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.topbar h1 {
  max-width: 740px;
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5vw, 5.4rem);
  line-height: 0.92;
  font-weight: 860;
}

.session {
  min-width: 190px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  text-align: right;
}

.session span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-panel,
.panel,
.metrics-grid article {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)),
    rgba(10, 12, 15, 0.94);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 32px;
  align-items: center;
  min-height: 330px;
  padding: clamp(28px, 4vw, 56px);
  overflow: hidden;
}

.hero-panel h2 {
  max-width: 780px;
  margin: 18px 0;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 0.96;
}

.hero-panel p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.55;
}

.status-pill,
.tag {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid rgba(110, 240, 189, 0.42);
  color: var(--ok);
  font-size: 12px;
  font-weight: 900;
  padding: 0 12px;
  text-transform: uppercase;
}

.progress-ring {
  display: grid;
  width: 190px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(110, 240, 189, 0.35);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(110, 240, 189, 0.13), transparent 62%),
    conic-gradient(var(--ok) 0 68%, rgba(255, 255, 255, 0.1) 68% 100%);
}

.progress-ring span {
  display: block;
  font-size: 3rem;
  font-weight: 900;
}

.progress-ring small {
  margin-top: -48px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.metrics-grid article {
  min-height: 150px;
  padding: 22px;
  border: 0;
}

.metrics-grid strong {
  display: block;
  margin: 28px 0 8px;
  font-size: 1.35rem;
}

.metrics-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.4fr);
  gap: 24px;
  margin-bottom: 24px;
}

.panel {
  padding: clamp(24px, 3vw, 36px);
  margin-bottom: 24px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.panel-heading h2 {
  max-width: 740px;
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 3.2rem);
  line-height: 1;
}

.timeline {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 18px;
  padding: 0 0 28px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li > span {
  position: relative;
  display: block;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 2px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
}

.timeline li > span::after {
  position: absolute;
  top: 17px;
  left: 5px;
  width: 2px;
  height: 58px;
  background: rgba(255, 255, 255, 0.14);
  content: "";
}

.timeline li:last-child > span::after {
  display: none;
}

.timeline .is-done > span {
  border-color: var(--ok);
  background: var(--ok);
}

.timeline .is-active > span {
  border-color: var(--hot);
  background: var(--hot);
  box-shadow: 0 0 0 6px rgba(255, 61, 46, 0.18);
}

.timeline strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.timeline p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.45;
}

.alert-panel {
  margin-bottom: 0;
}

.alert {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.alert:last-child {
  border-bottom: 0;
}

.alert strong {
  display: block;
  margin-bottom: 8px;
}

.alert p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.alert.is-hot strong {
  color: var(--warn);
}

.equipment-grid,
.maintenance-list,
.document-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

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

.equipment-grid div,
.maintenance-list article,
.document-list a {
  padding: 22px;
  background: #07090c;
}

.equipment-grid strong,
.maintenance-list strong {
  display: block;
  margin-top: 24px;
  font-size: 1.15rem;
}

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

.maintenance-list p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.48;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.evidence-grid figure {
  margin: 0;
  background: #07090c;
}

.mock-photo {
  min-height: 260px;
  border-bottom: 1px solid var(--line);
}

.photo-a {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent 42%),
    linear-gradient(90deg, rgba(255, 61, 46, 0.12), transparent),
    #151a21;
}

.photo-b {
  background:
    radial-gradient(circle at 58% 42%, rgba(110, 240, 189, 0.28), transparent 34%),
    linear-gradient(140deg, #111820, #050608);
}

.photo-c {
  background:
    linear-gradient(120deg, rgba(255, 200, 87, 0.18), transparent 44%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 28px),
    #101318;
}

.evidence-grid figcaption {
  min-height: 86px;
  padding: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.document-list a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px 18px;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.document-list span {
  display: inline-grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--hot);
  font-size: 12px;
  font-weight: 900;
}

.document-list small {
  grid-column: 2;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .sidebar {
    position: static;
    width: auto;
    flex-direction: row;
    align-items: center;
  }

  .side-nav {
    grid-auto-flow: column;
    overflow-x: auto;
  }

  .client-card {
    display: none;
  }

  .portal-shell {
    width: 100%;
    margin-left: 0;
  }

  .metrics-grid,
  .equipment-grid,
  .maintenance-list,
  .evidence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-grid,
  .hero-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .sidebar {
    align-items: flex-start;
    flex-direction: column;
  }

  .side-nav {
    width: 100%;
    grid-auto-flow: row;
  }

  .portal-shell {
    padding: 24px 16px 48px;
  }

  .topbar,
  .panel-heading {
    flex-direction: column;
  }

  .session {
    width: 100%;
    text-align: left;
  }

  .metrics-grid,
  .equipment-grid,
  .maintenance-list,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .progress-ring {
    width: 160px;
  }
}