:root {
  --bg: #0a0e14;
  --bg-elevated: #111722;
  --bg-card: #151c2c;
  --border: #232b3d;
  --text: #e6ebf5;
  --text-dim: #8a94a8;
  --text-faint: #5b6478;
  --accent: #4fd1c5;
  --accent-dim: #2c7a72;
  --danger: #e05a5a;
  --warning: #e0a95a;
  --radius: 12px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  scroll-behavior: smooth;
}

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

code {
  font-family: "SF Mono", Consolas, monospace;
  background: var(--bg-elevated);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- nav --- */
nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
nav .container { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.5rem; }
.brand { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
nav .links { display: flex; gap: 1.6rem; align-items: center; }
nav .links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
nav .links a:hover { color: var(--text); }

.lang-switch { display: flex; gap: 0.3rem; background: var(--bg-elevated); border-radius: 8px; padding: 0.25rem; }
.lang-switch button {
  background: none; border: none; color: var(--text-dim); padding: 0.3rem 0.6rem;
  border-radius: 6px; cursor: pointer; font-size: 0.82rem; font-weight: 600;
}
.lang-switch button.active { background: var(--accent); color: #06110f; }

/* --- hero --- */
.hero { padding: 5rem 0 4rem; text-align: center; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 1.1rem; letter-spacing: -0.02em; max-width: 780px; margin-left: auto; margin-right: auto; }
.hero p.sub { font-size: 1.15rem; color: var(--text-dim); max-width: 620px; margin: 0 auto 2.2rem; }
.btn {
  display: inline-block; background: var(--accent); color: #06110f; font-weight: 700;
  padding: 0.85rem 1.8rem; border-radius: 10px; text-decoration: none; border: none;
  cursor: pointer; font-size: 1rem; transition: transform 0.12s ease, opacity 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary {
  background: var(--bg-card); color: var(--text); border: 1px solid var(--border);
}
.dashboard-hero { padding: 3rem 0 1rem; }
.dashboard-hero h1 { font-size: 2rem; }

/* --- sections --- */
section { padding: 4rem 0; }
h2 { font-size: 1.9rem; text-align: center; margin: 0 0 2.6rem; letter-spacing: -0.02em; }

/* --- feature grid --- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem;
}
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem;
}
.card .icon { font-size: 1.6rem; margin-bottom: 0.7rem; display: block; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* --- how it works --- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; counter-reset: step; }
.step { position: relative; padding-left: 0; }
.step .num {
  display: flex; align-items: center; justify-content: center; width: 2.2rem; height: 2.2rem;
  border-radius: 50%; background: var(--accent-dim); color: var(--accent); font-weight: 700;
  margin-bottom: 0.8rem; font-size: 0.95rem;
}
.step h3 { font-size: 1rem; margin: 0 0 0.4rem; }
.step p { color: var(--text-dim); font-size: 0.9rem; margin: 0; }

/* --- connect panel --- */
#connect { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.connect-panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; max-width: 420px; margin: 0 auto;
}
.connect-panel h2 { margin-bottom: 0.4rem; font-size: 1.5rem; }
.connect-panel > p.sub { text-align: center; color: var(--text-dim); margin: 0 0 1.8rem; font-size: 0.92rem; }
.wallet-group { max-width: 260px; margin: 0 auto; }
.wallet-group + .wallet-group { margin-top: 1.1rem; }
.wallet-group-label {
  font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-faint); margin-bottom: 0.5rem; text-align: center;
}
.wallet-buttons { display: flex; flex-direction: column; align-items: center; gap: 0.7rem; }
.wallet-buttons .btn { width: 100%; text-align: center; }

#connect-status, #audit-status {
  margin-top: 1.1rem; padding: 0.7rem 0.9rem; border-radius: 8px; background: var(--bg-elevated);
  color: var(--text-dim); font-size: 0.88rem;
}
#connect-status.error, #audit-status.error { color: var(--danger); background: rgba(224, 90, 90, 0.1); }
.hidden { display: none !important; }

.chain-badge {
  background: var(--accent-dim); color: var(--accent); font-weight: 700; text-transform: uppercase;
  font-size: 0.7rem; padding: 0.15em 0.5em; border-radius: 4px;
}
.chain-badge.chain-trx { background: rgba(224, 90, 90, 0.18); color: #ff6b5e; }

.link-danger { background: none; border: none; color: var(--text-faint); font-size: 0.8rem; cursor: pointer; text-decoration: underline; }
.link-danger:hover { color: var(--danger); }

/* --- dashboard --- */
#dashboard { padding-top: 1rem; }
.dashboard-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-bottom: 1.4rem; align-items: start;
}
.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem;
  margin-bottom: 1.4rem;
}
.dashboard-grid .panel { margin-bottom: 0; }
.panel-head { margin-bottom: 0.3rem; }
.panel h2 { font-size: 1.25rem; text-align: left; margin: 0 0 0.3rem; }
.panel > p.sub { text-align: left; color: var(--text-dim); margin: 0 0 1.2rem; font-size: 0.9rem; }

.wallet-chip {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.7rem 0.9rem; background: var(--bg-elevated);
  border-radius: 10px; margin-bottom: 0.5rem;
}
.wallet-chip code { background: none; padding: 0; word-break: break-all; font-size: 0.82rem; color: var(--text-dim); }

.link-action {
  background: none; border: none; color: var(--accent); cursor: pointer; font-size: 0.85rem;
  font-weight: 700; padding: 0.3rem 0; margin-bottom: 0.6rem; display: block;
}
.link-action:hover { text-decoration: underline; }

#wallet-buttons-block.hidden { display: none; }
#wallets-panel #wallet-buttons-block:not(.hidden) { margin-top: 0.6rem; padding-top: 1rem; border-top: 1px solid var(--border); }

.btn-lg { width: 100%; text-align: center; padding: 1rem 1.8rem; }

.audit-history-row {
  display: flex; align-items: center; gap: 1rem; padding: 0.9rem 1rem;
  background: var(--bg-elevated); border-radius: 10px; margin-bottom: 0.6rem; flex-wrap: wrap;
  text-decoration: none; color: inherit; border: 1px solid transparent; transition: border-color 0.12s ease;
}
.audit-history-row:hover { border-color: var(--accent); }
.audit-score-badge {
  display: flex; align-items: center; justify-content: center; min-width: 2.8rem; height: 2.8rem;
  border-radius: 50%; font-weight: 800; font-size: 1rem; flex-shrink: 0;
}
.audit-score-badge.band-minimal, .audit-score-badge.band-low { background: rgba(79, 209, 197, 0.18); color: var(--accent); }
.audit-score-badge.band-medium { background: rgba(224, 169, 90, 0.18); color: var(--warning); }
.audit-score-badge.band-high, .audit-score-badge.band-critical { background: rgba(224, 90, 90, 0.2); color: var(--danger); }

.audit-meta { flex: 1; min-width: 140px; }
.audit-band-label { font-weight: 700; font-size: 0.88rem; }
.audit-date { color: var(--text-faint); font-size: 0.78rem; margin-top: 0.1rem; }

.audit-format-tag {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  padding: 0.35rem 0.7rem; border-radius: 8px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
}
.audit-history-row:hover .audit-format-tag { color: var(--accent); }

.empty-note { color: var(--text-faint); font-size: 0.88rem; text-align: center; padding: 1rem 0 0.2rem; }

.danger-zone-panel { text-align: center; margin-top: 0.5rem; }

@media (max-width: 860px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* --- disclaimer / footer --- */
.disclaimer-box {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--warning);
  border-radius: 8px; padding: 1.2rem 1.4rem; font-size: 0.88rem; color: var(--text-dim); max-width: 780px; margin: 0 auto;
}
.disclaimer-box-spaced { margin-top: 2rem; }
footer { padding: 3rem 0; border-top: 1px solid var(--border); }
footer .disclaimer-box { border-left-color: var(--accent-dim); }
footer .disclaimer-box strong { color: var(--text); display: block; margin-bottom: 0.4rem; }
footer .bottom { text-align: center; color: var(--text-faint); font-size: 0.8rem; margin-top: 2rem; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  /* Keep Connect/Dashboard + the language switcher on mobile — that's
     exactly where WalletConnect matters most. Only drop the pure
     scroll-to-section links, which just re-show content already a swipe
     away on a single-page layout. */
  nav .links { gap: 0.7rem; }
  nav .links a[data-i18n="nav_features"], nav .links a[data-i18n="nav_how"] { display: none; }
  nav .links a { font-size: 0.82rem; }
  .lang-switch { gap: 0.2rem; padding: 0.2rem; }
  .lang-switch button { padding: 0.25rem 0.45rem; font-size: 0.75rem; }
  section { padding: 2.8rem 0; }
}

@media (max-width: 420px) {
  /* Very narrow phones: also drop the "Dashboard" text link to keep
     Connect + the language switcher from wrapping — connecting a wallet
     already redirects there automatically, so it's not the only way in. */
  nav .links a[data-i18n="nav_dashboard"] { display: none; }
}