:root {
  --bg-1: #f5f7fb;
  --bg-2: #e6eef9;
  --ink: #12233a;
  --muted: #4a617e;
  --card: #ffffff;
  --line: #d7e1ef;
  --accent: #0066c8;
  --accent-2: #00a3a3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg-1);
}

.layout-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 10% 0%, rgba(0, 102, 200, 0.14), transparent 55%),
    radial-gradient(800px 500px at 90% 10%, rgba(0, 163, 163, 0.12), transparent 50%),
    linear-gradient(165deg, var(--bg-1), var(--bg-2));
}

.app-shell {
  display: grid;
  grid-template-columns: 330px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  padding: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.brand {
  margin-bottom: 12px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #d9ebff;
  color: #0f3f7a;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-sub {
  margin-top: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.menu-scroll {
  overflow: auto;
  padding-right: 6px;
}

.nav-tree {
  list-style: none;
  margin: 0;
  padding: 0 0 0 8px;
}

.nav-tree .nav-tree {
  margin-top: 6px;
  margin-left: 10px;
  padding-left: 12px;
  border-left: 1px dashed #bfd0e6;
}

.nav-link,
.nav-group {
  display: block;
  margin: 4px 0;
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(90deg, var(--accent), #1d8bea);
  border-radius: 10px;
  padding: 7px 10px;
  font-weight: 700;
}

.nav-group {
  font-weight: 700;
  color: #16345a;
  opacity: 0.9;
}

.main-content {
  padding: 20px 24px 36px;
}

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

.home-link,
.logout-link {
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}

.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 34px;
  line-height: 1.05;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.dash-card {
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  color: var(--ink);
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.dash-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(14, 42, 78, 0.12);
}

.card-title {
  font-weight: 700;
  font-size: 15px;
}

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

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

.block-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.block-card h2 {
  margin: 0 0 12px;
  font-size: 22px;
  font-family: "Space Grotesk", sans-serif;
}

.wysiwyg {
  color: #233c5a;
  line-height: 1.52;
  overflow-wrap: anywhere;
}

.wysiwyg img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.wysiwyg a {
  color: var(--accent);
}

.media-group {
  margin-top: 14px;
}

.media-group h3 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #36567f;
}

.video-item {
  margin-bottom: 10px;
}

.video-item video {
  width: 100%;
  max-width: 760px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #000;
}

.video-item a {
  display: inline-block;
  margin-top: 6px;
  color: var(--accent);
  text-decoration: none;
}

.doc-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.doc-link {
  text-decoration: none;
  color: #0f3f7a;
  background: #e8f3ff;
  border: 1px solid #c5dcf7;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
}

.external-links summary {
  cursor: pointer;
  color: #36567f;
  font-weight: 700;
}

.external-links a {
  color: var(--accent);
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(0, 102, 200, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 100%, rgba(0, 163, 163, 0.15), transparent 55%),
    #f6f9ff;
  padding: 20px;
}

.auth-card {
  width: min(430px, 100%);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.auth-card h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

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

.auth-form {
  display: grid;
  gap: 8px;
}

.auth-form input {
  border: 1px solid #bfd2eb;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
}

.auth-form button {
  margin-top: 8px;
  border: 0;
  border-radius: 10px;
  padding: 11px 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, var(--accent), #0a84ff);
  cursor: pointer;
}

.alert {
  background: #ffe8e8;
  border: 1px solid #ffc7c7;
  color: #7a1010;
  border-radius: 10px;
  padding: 8px 10px;
  margin-bottom: 10px;
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 42vh;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main-content {
    padding: 14px;
  }

  .hero h1 {
    font-size: 28px;
  }
}