/* --------------------------------------------------------
   Reset & base
-------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg:       #0f172a;
  --color-surface:  #1e293b;
  --color-border:   #334155;
  --color-text:     #e5e7eb;
  --color-muted:    #64748b;
  --color-nano:     #4a90e2;   /* Nano blue */
  --color-nano-lt:  #6aaae8;
  --color-accent:   #22c55e;
  --color-success:  #22c55e;
  --color-warning:  #f59e0b;
  --color-danger:   #ef4444;
  --radius:         8px;
  --shadow:         0 1px 3px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.3);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-nano); text-decoration: none; }
a:hover { color: var(--color-nano-lt); text-decoration: underline; }

code { font-family: monospace; font-size: .9em; }

/* --------------------------------------------------------
   Layout
-------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 24px 16px;
  flex: 1;
}

/* --------------------------------------------------------
   Beta banner
-------------------------------------------------------- */
.beta-banner {
  width: 100%;
  background: rgba(239,68,68,.12);
  border-bottom: 1px solid rgba(239,68,68,.4);
  border-top: 1px solid rgba(239,68,68,.4);
  color: var(--color-danger);
  text-align: center;
  padding: 4px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: .3px;
}
.beta-banner a { color: var(--color-danger); text-decoration: underline; }
.beta-banner a:hover { color: #f87171; }

/* --------------------------------------------------------
   Navbar
-------------------------------------------------------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  width: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(255,255,255,.03);
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-nano);
  letter-spacing: .5px;
  text-decoration: none;
}

.nav-links a {
  margin-left: 20px;
  color: var(--color-text);
  font-weight: 500;
}
.nav-links a:hover { color: var(--color-nano-lt); text-decoration: none; }

/* --------------------------------------------------------
   Footer
-------------------------------------------------------- */
footer {
  text-align: center;
  padding: 20px;
  color: var(--color-muted);
  font-size: .85rem;
  border-top: 1px solid var(--color-border);
}

.footer-links {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-muted);
  font-size: .8rem;
}
.footer-links a:hover { color: var(--color-nano-lt); text-decoration: none; }

/* --------------------------------------------------------
   Flash messages
-------------------------------------------------------- */
.flash-messages { margin-bottom: 20px; }

.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  font-size: .9rem;
}
.flash--success { background: rgba(34,197,94,.15); border: 1px solid var(--color-success); color: var(--color-success); }
.flash--error   { background: rgba(239,68,68,.15);  border: 1px solid var(--color-danger);  color: var(--color-danger);  }

/* --------------------------------------------------------
   Buttons
-------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color .15s, border-color .15s, box-shadow .15s, transform .1s;
  text-decoration: none;
  letter-spacing: .01em;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary   { background: var(--color-nano); color: #fff; border-color: var(--color-nano); }
.btn--primary:hover { background: #3a7fd4; border-color: #3a7fd4; color: #fff; }
.btn--secondary { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--secondary:hover { border-color: var(--color-nano); color: var(--color-nano); }
.btn--danger    { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn--danger:hover { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn--warning   { background: #b45309; border-color: #b45309; color: #fff; }
.btn--warning:hover { background: #92400e; border-color: #92400e; color: #fff; }
.btn--ghost     { background: transparent; color: var(--color-muted); border-color: var(--color-border); }
.btn--ghost:hover { color: var(--color-text); border-color: var(--color-nano); }
.btn--sm        { padding: 5px 11px; font-size: .8rem; }

/* --------------------------------------------------------
   Utility classes
-------------------------------------------------------- */
.label { display: block; font-size: .75rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .4px; }
.muted { color: var(--color-muted); }
.tx-hash { font-size: .8rem; }

/* --------------------------------------------------------
   Status badges
-------------------------------------------------------- */
.status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.status-badge--active    { background: rgba(34,197,94,.15);  color: var(--color-success); }
.status-badge--ended     { background: rgba(107,114,128,.2); color: var(--color-muted); }
.status-badge--cancelled { background: rgba(239,68,68,.15);  color: var(--color-danger); }
.status-badge--pending   { background: rgba(245,158,11,.15); color: var(--color-warning); }
.status-badge--settled   { background: rgba(99,102,241,.15); color: #818cf8; }
.status-badge--confirmed { background: rgba(34,197,94,.15);  color: var(--color-success); }
.status-badge--rejected  { background: rgba(239,68,68,.15);  color: var(--color-danger); }
.status-badge--winning  { background: rgba(34,197,94,.15);  color: var(--color-success); }
.status-badge--refunded { background: rgba(107,114,128,.2); color: var(--color-muted); }
.status-badge--outbid   { background: rgba(245,158,11,.15); color: var(--color-warning); }
.status-badge--recurring { background: rgba(14,165,233,.15); color: #38bdf8; }
.status-badge--cleanup   { background: rgba(239,68,68,.10);  color: #f87171; }

/* --------------------------------------------------------
   Bid table (shared: detail, leaderboard, bid history)
-------------------------------------------------------- */
.bid-history { margin-top: 40px; }
.bid-history h2 { font-size: 1.2rem; margin-bottom: 16px; }
.bid-history__view-all { margin-top: 12px; text-align: center; }

.bid-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.bid-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.bid-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
}
.bid--leading td:nth-child(3) { color: var(--color-nano); }

.winning-row { background: rgba(34,197,94,.06); }
.winning-row td:nth-child(3) { color: var(--color-nano); }
.outbid-row { opacity: .6; }

/* --------------------------------------------------------
   Empty state
-------------------------------------------------------- */
.empty-state { color: var(--color-muted); padding: 40px 0; text-align: center; }

/* --------------------------------------------------------
   QR code wrapper (shared: detail, claim)
-------------------------------------------------------- */
.qr-code {
  display: inline-block;
  padding: 8px;
  background: #fff;
  border-radius: 6px;
}