:root{--bg:#0b1020;--card:#121936;--muted:#9aa0b4;--text:#e6e9f4;--accent:#4f9cf9;--accent-2:#3bd4b4}
*{box-sizing:border-box}html,body{margin:0;background:#0b1020;color:var(--text);font-family:system-ui,Segoe UI,Roboto}
.container{max-width:1080px;margin:0 auto;padding:1rem}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#121936;position:sticky;top:0}
.logo{text-decoration:none;color:#fff;font-weight:800}
.nav a{color:#e6e9f4;text-decoration:none;margin-left:1rem}
.card{background:#121936;border-radius:14px;padding:1rem;margin:1rem 0}
.btn{display:inline-block;padding:.6rem 1rem;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;border:0;cursor:pointer}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.2)}
.btn-secondary{background:var(--accent-2)}
.input,select,textarea{width:100%;padding:.6rem;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:#0d1330;color:#e6e9f4}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.6rem;border-bottom:1px solid rgba(255,255,255,.15);text-align:left}
.scroll{max-height:360px;overflow:auto;border:1px solid rgba(255,255,255,.15);border-radius:10px;padding:.25rem}
.badge{background:rgba(255,255,255,.15);padding:.2rem .5rem;border-radius:6px}

.login-card.card{
  max-width: 520px;
  margin: 2rem auto;
  padding: 1.25rem;
}

.login-card .login-toggle{
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 4px;
  margin: .5rem auto 1rem auto;
}

.login-card .login-toggle .btn{
  flex: 0 0 auto;
  min-width: 140px;
  padding: .5rem 1rem;
}

.login-card .input{ height: 44px; }
.login-card .btn{ height: 40px; }

.login-card .login-toggle {
  display: flex;
  justify-content: center;
  gap: .5rem;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 4px;
  margin: .5rem auto 1rem auto;
  width: fit-content;
}

.login-card .login-toggle .btn {
  flex: 0 0 auto;
  min-width: 140px;
  padding: .5rem 1rem;
}

.chat-bubble { max-width:70%; padding:.5rem .75rem; border-radius:12px; }
.chat-mine { background: rgba(59, 212, 180, .2); }
.chat-their { background: rgba(255,255,255,.08); }