:root {
    --bg: #020617;
    --panel: #0b1220;
    --card: #0f172a;
    --border: #1e293b;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent1: #22d3ee;
    --accent2: #a855f7;
    --accent-soft: #22c55e;
    --accent-hard: #fb7185;
    --radius: 18px;
    --shadow: 0 18px 40px rgba(0,0,0,.55);
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
    color: var(--text);
  }
  
  .dg-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 14px 32px;
  }
  
  /* HEADER */
  
  .dg-header {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 16px;
    row-gap: 10px;
    margin-bottom: 24px;
  }
  
  .dg-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .dg-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  
  .dg-logo-main {
    font-weight: 700;
    font-size: 1.25rem;
  }
  
  .dg-logo-pill {
    font-size: .8rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(15,23,42,0.9);
    border: 1px solid rgba(56,189,248,0.6);
    color: var(--accent1);
  }
  
  .dg-breadcrumb {
    font-size: .8rem;
    color: var(--muted);
  }
  .dg-breadcrumb a {
    color: var(--muted);
    text-decoration: none;
  }
  .dg-breadcrumb a:hover {
    color: var(--accent1);
  }
  
  .dg-nav {
    display: flex;
    justify-content: center;
    gap: 14px;
    font-size: .9rem;
  }
  
  .dg-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 4px 0;
    position: relative;
  }
  
  .dg-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    transition: width .16s ease;
  }
  
  .dg-nav a:hover::after,
  .dg-nav a.active::after {
    width: 100%;
  }
  
  .dg-nav a.active {
    color: var(--accent2);
    font-weight: 600;
  }
  
  .dg-header-right {
    display: flex;
    justify-content: flex-end;
  }
  
  /* Buttons */
  
  .dg-btn-outline {
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.7);
    background: rgba(15,23,42,0.95);
    color: var(--muted);
    padding: 7px 14px;
    font-size: .82rem;
    cursor: pointer;
  }
  .dg-btn-outline:hover {
    border-color: var(--accent1);
    color: var(--accent1);
  }
  
  .dg-btn-primary,
  .dg-btn-disabled {
    border-radius: 999px;
    border: none;
    padding: 8px 16px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    color: #020617;
    box-shadow: 0 10px 24px rgba(56,189,248,.35);
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  }
  
  .dg-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(56,189,248,.45);
  }
  
  .dg-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(56,189,248,.3);
  }
  
  .dg-btn-disabled {
    opacity: .45;
    cursor: default;
    box-shadow: none;
  }
  
  /* MAIN */
  
  .dg-main {
    display: flex;
    flex-direction: column;
    gap: 22px;
  }
  
  /* HERO */
  
  .dg-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    gap: 18px;
    background: radial-gradient(circle at top left, rgba(34,211,238,0.09), transparent 55%),
                radial-gradient(circle at bottom right, rgba(168,85,247,0.12), transparent 55%),
                var(--panel);
    border-radius: 24px;
    padding: 22px 20px;
    border: 1px solid rgba(15,23,42,0.9);
    box-shadow: var(--shadow);
  }
  
  .dg-hero-text h1 {
    margin: 0 0 6px;
    font-size: 1.8rem;
  }
  
  .dg-hero-text p {
    margin: 0 0 12px;
    font-size: .95rem;
    color: var(--muted);
  }
  
  .dg-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .dg-tag {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 500;
    border: 1px solid rgba(148,163,184,0.7);
    background: rgba(15,23,42,0.9);
  }
  
  .dg-tag-soft {
    border-color: rgba(34,197,94,0.7);
    color: #bbf7d0;
  }
  .dg-tag-normal {
    border-color: rgba(56,189,248,0.7);
    color: #e0f2fe;
  }
  .dg-tag-hard {
    border-color: rgba(248,113,113,0.85);
    color: #fecaca;
  }
  
  .dg-hero-side {
    display: flex;
    justify-content: flex-end;
    align-items: stretch;
  }
  
  .dg-hero-card {
    background: rgba(15,23,42,0.96);
    border-radius: 18px;
    border: 1px solid var(--border);
    padding: 14px 14px 12px;
    font-size: .9rem;
  }
  
  .dg-hero-card h2 {
    margin: 0 0 4px;
    font-size: 1.05rem;
  }
  .dg-hero-card p {
    margin: 0 0 8px;
    color: var(--muted);
  }
  .dg-hero-card ul {
    margin: 0;
    padding-left: 18px;
    font-size: .85rem;
    color: var(--muted);
  }
  
  /* MODES */
  
  .dg-modes-title {
    margin: 0 0 4px;
    font-size: 1.2rem;
  }
  
  .dg-modes-sub {
    margin: 0 0 14px;
    font-size: .9rem;
    color: var(--muted);
  }
  
  .dg-modes-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  
  .dg-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 14px 14px 16px;
    display: flex;
    flex-direction: column;
    min-height: 210px;
  }
  
  .dg-card-label {
    display: inline-flex;
    align-items: center;
    font-size: .75rem;
    padding: 3px 9px;
    border-radius: 999px;
    margin-bottom: 6px;
    border: 1px solid rgba(148,163,184,0.7);
    color: var(--muted);
  }
  
  .dg-label-blue {
    border-color: rgba(59,130,246,0.9);
    color: #bfdbfe;
  }
  .dg-label-green {
    border-color: rgba(34,197,94,0.9);
    color: #bbf7d0;
  }
  .dg-label-purple {
    border-color: rgba(192,132,252,0.95);
    color: #e9d5ff;
  }
  
  .dg-card h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
  }
  .dg-card p {
    margin: 0 0 10px;
    font-size: .9rem;
    color: var(--muted);
  }
  
  .dg-card-list {
    margin: 0 0 12px;
    padding-left: 16px;
    font-size: .82rem;
    color: var(--muted);
  }
  
  .dg-card-btn {
    margin-top: auto;
    align-self: flex-start;
  }
  
  .dg-card-soon {
    opacity: 0.9;
  }
  
  /* FOOTER STRIP */
  
  .dg-footer-strip {
    margin-top: 10px;
  }
  
  .dg-footer-strip-inner {
    border-radius: 999px;
    border: 1px solid rgba(30,64,175,0.7);
    background: rgba(15,23,42,0.95);
    padding: 8px 16px;
    font-size: .8rem;
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
  }
  
  /* RESPONSIVE */
  
  @media (max-width: 960px) {
    .dg-header {
      grid-template-columns: 1fr;
    }
    .dg-nav {
      justify-content: flex-start;
      flex-wrap: wrap;
    }
    .dg-header-right {
      justify-content: flex-start;
    }
  
    .dg-hero {
      grid-template-columns: 1fr;
    }
    .dg-hero-side {
      justify-content: flex-start;
    }
  
    .dg-modes-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
  
  @media (max-width: 640px) {
    .dg-page {
      padding: 16px 10px 24px;
    }
    .dg-hero {
      padding: 16px 12px;
    }
    .dg-modes-grid {
      grid-template-columns: 1fr;
    }
  }