:root {
  color-scheme: dark;
  --bg: #0b0f17;
  --panel: #131a26;
  --border: #1f2a3a;
  --text: #e8eef7;
  --muted: #93a4bd;
  --dim: #66748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #f87171;
  --ok: #34d399;
}

* { box-sizing: border-box; }

body {
  background: radial-gradient(1200px 600px at 50% -10%, #16223a 0%, var(--bg) 60%);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.brand {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}

h1 { font-size: 24px; margin: 0 0 8px; }
p.lead { color: var(--muted); font-size: 14px; margin: 0 0 24px; line-height: 1.5; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }

input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #0d1420;
  color: var(--text);
  font-size: 15px;
  outline: none;
}
input[type="email"]:focus { border-color: var(--accent); }

button {
  width: 100%;
  margin-top: 16px;
  padding: 12px 16px;
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: default; }

.msg { margin-top: 16px; font-size: 14px; line-height: 1.5; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }

.hidden { display: none !important; }

.foot { margin-top: 24px; font-size: 12px; color: var(--dim); }

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -3px;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

ul.accounts { list-style: none; padding: 0; margin: 16px 0 0; }
ul.accounts li {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.demo { color: var(--ok); border-color: rgba(52,211,153,0.4); }
.badge.live { color: var(--danger); border-color: rgba(248,113,113,0.4); }
.badge.investor { color: #93c5fd; border-color: rgba(147,197,253,0.4); }