:root { 
  --bg: #0a0a0b; 
  --panel: #101014; 
  --panel-2: #16161c;
  --fg: #e5e7eb; 
  --muted: #9ca3af; 
  --border: #232329;
  
  /* Default (Proton) Purple Theme */
  --accent: #9333ea; 
  --accent-2: #7c2bd5;
  --accent-3: #a855f7;
  --header-grad: rgba(147,51,234,0.08);
  --card-grad: rgba(147,51,234,0.10);
  --btn-shadow: rgba(147,51,234,0.15);
  --btn-shadow-hover: rgba(147,51,234,0.22);
  --btn-border: rgba(147,51,234,0.4);
}

[data-theme="unity"] {
  /* Unity Blue Theme */
  --accent: #0091EA; 
  --accent-2: #007bb5; 
  --accent-3: #40c4ff;
  --header-grad: rgba(0, 145, 234, 0.08);
  --card-grad: rgba(0, 145, 234, 0.10);
  --btn-shadow: rgba(0, 145, 234, 0.15);
  --btn-shadow-hover: rgba(0, 145, 234, 0.22);
  --btn-border: rgba(0, 145, 234, 0.4);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--fg); transition: background 0.3s; }

/* Updated Header */
header { padding: 20px 24px; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, var(--header-grad), rgba(10,10,11,0)); position: sticky; top: 0; backdrop-filter: blur(6px); z-index: 100; transition: background 0.3s; }
.header-content { max-width: 1000px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }

/* Brand */
.brand { display: none; align-items: center; gap: 12px; }
.brand.active { display: flex; }
.brand h1 { margin: 0; font-size: 22px; letter-spacing: 0.4px; background: linear-gradient(90deg, var(--accent), var(--accent-3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand p { margin: 0; color: var(--muted); font-size: 14px; }

/* Tabs */
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,0.03); padding: 4px; border-radius: 10px; border: 1px solid var(--border); }
.tab-btn { background: transparent; border: none; color: var(--muted); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 500; transition: all 0.2s; font-family: inherit; }
.tab-btn:hover { color: var(--fg); background: rgba(255,255,255,0.05); }
.tab-btn.active { background: var(--accent); color: #fff; box-shadow: 0 0 15px var(--btn-shadow); }

/* Tab Content Animation */
.tab-content { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.hero { max-width: 1000px; margin: 28px auto 0; padding: 0 24px 20px; border-bottom: 1px solid var(--border); }
.hero h2 { margin: 0; font-size: 28px; line-height: 1.2; }
.hero p { margin-top: 10px; color: var(--muted); }
.grid { max-width: 1000px; margin: 0 auto; padding: 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { border: 1px solid var(--border); background: radial-gradient(1000px 300px at 0% -10%, var(--card-grad), rgba(16,16,20,1)), var(--panel); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 10px; box-shadow: 0 0 0 1px var(--card-grad) inset; transition: background 0.3s, box-shadow 0.3s; }
.card h3 { margin: 0; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.dl { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.btn { display: inline-flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; background: linear-gradient(90deg, var(--accent), var(--accent-2)); padding: 10px 12px; border-radius: 10px; border: 1px solid var(--btn-border); box-shadow: 0 8px 20px var(--btn-shadow); transition: transform .12s ease, box-shadow .12s ease, background 0.3s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 24px var(--btn-shadow-hover); }
.hash { color: var(--muted); font-size: 12px; margin-left: 6px; user-select: all; }
.badge { font-size: 12px; color: #d1d5db; background: #1f2937; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--border); }
.muted { color: var(--muted); }
.section { max-width: 1000px; margin: 0 auto; padding: 8px 24px 24px; }
footer { padding: 18px 24px; border-top: 1px solid var(--border); color: var(--muted); }