:root {
  --bg: #0b0d10;
  --panel: #111317;
  --border: rgba(255,255,255,0.10);
  --text: #e8eaee;
  --muted: #a9afbd;
  --blue: #3b82f6;
  --gold: #c9a227;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11,13,16,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.site-name {
  font-weight: 900;
  font-size: 17px;
  letter-spacing: .4px;
  color: var(--text);
  text-decoration: none;
}
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: color .15s;
}
nav a:hover { color: var(--text); }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Lock screen ── */
.lock {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
}
.lock-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px 32px 34px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.lock-icon {
  font-size: 44px;
  color: var(--gold);
  margin-bottom: 8px;
}
.lock-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: .5px;
}
.lock-sub {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.lock-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: #0b0d10;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .15s;
}
.lock-input:focus { border-color: var(--blue); }
.lock-btn {
  width: 100%;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 11px;
  border: none;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: filter .15s;
}
.lock-btn:hover { filter: brightness(1.08); }
.lock-btn:disabled { opacity: .6; cursor: default; }
.lock-err {
  min-height: 18px;
  margin-top: 12px;
  color: #e05555;
  font-size: 13px;
  font-weight: 600;
}

/* ── Hub ── */
.hub { padding: 40px 0 70px; }
.hub-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.hub-head h1 {
  margin: 0 0 6px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  letter-spacing: .5px;
}
.hub-sub {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.lock-out {
  flex: none;
  padding: 9px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.lock-out:hover { color: var(--text); border-color: rgba(255,255,255,.25); }

.vault-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
@media (max-width: 700px) {
  .vault-grid { grid-template-columns: 1fr; }
}
.vault-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 30px 26px 26px;
  min-height: 160px;
  transition: transform .15s, box-shadow .15s;
}
.vault-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.vault-label {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .3px;
  margin-bottom: 10px;
}
.vault-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  flex: 1;
}
.vault-arrow {
  font-size: 22px;
  margin-top: 18px;
  transition: transform .15s;
}
.vault-card:hover .vault-arrow { transform: translateX(4px); }

.vault-card.gen {
  background: linear-gradient(145deg, #060a14 0%, #0b1428 60%, #060a14 100%);
  border-color: rgba(100,140,220,.28);
}
.vault-card.gen .vault-label,
.vault-card.gen .vault-arrow { color: #7ba8e8; }

.vault-card.logs {
  background: linear-gradient(145deg, #110e06 0%, #1c1608 60%, #110e06 100%);
  border-color: rgba(140,100,40,.3);
}
.vault-card.logs .vault-label,
.vault-card.logs .vault-arrow { color: #c8924a; }

.vault-card.gallery {
  background: linear-gradient(145deg, #030a03 0%, #061006 60%, #030a03 100%);
  border-color: rgba(57,255,20,.2);
}
.vault-card.gallery .vault-label,
.vault-card.gallery .vault-arrow { color: #39ff14; }

/* ── Footer ── */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 16px 28px;
  font-size: 12px;
  color: rgba(232,234,238,.35);
  max-width: 1100px;
  margin: 0 auto;
}