:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel2: #1c2330;
  --border: #2a3340;
  --text: #e6edf3;
  --muted: #8b97a7;
  --accent: #f5a623;
  --green: #3fb950;
  --red: #f85149;
  --blue: #58a6ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
header {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  padding: 16px 22px;
  background: linear-gradient(90deg, #161b22, #1c2330);
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 1.3rem; margin: 0; }
.meta { display: flex; gap: 14px; align-items: center; font-size: .85rem; color: var(--muted); }
.badge {
  padding: 4px 10px; border-radius: 999px; font-weight: 600;
  background: #21262d; border: 1px solid var(--border);
}
.badge.ok { color: var(--green); border-color: #1f3d28; background: #0f2417; }
.badge.bad { color: var(--red); border-color: #4d1f1f; background: #2a1313; }
main { max-width: 980px; margin: 0 auto; padding: 22px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px; text-align: center;
}
.card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.card .amount { font-size: 2.1rem; font-weight: 800; color: var(--accent); }
.card .sub { color: var(--muted); font-size: .82rem; margin-top: 6px; }
.card .pending-pill {
  display: inline-block; margin-top: 8px; font-size: .75rem;
  color: var(--blue); background: #0d2238; border: 1px solid #173451;
  padding: 2px 8px; border-radius: 999px;
}

.grand {
  text-align: center; margin: 18px 0; font-size: 1.05rem; color: var(--muted);
}
.grand b { color: var(--accent); font-size: 1.4rem; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px 20px; margin-top: 18px;
}
.panel h2 { margin: 0 0 14px; font-size: 1.05rem; }
.hint { color: var(--muted); font-size: .82rem; margin: 6px 0; }
.msg { font-size: .9rem; min-height: 1.2em; }
.msg.ok { color: var(--green); }
.msg.err { color: var(--red); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid label { display: flex; flex-direction: column; font-size: .82rem; color: var(--muted); gap: 4px; }
.grid label.wide { grid-column: 1 / -1; }
.grid input, .grid select {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 9px 10px; font-size: .95rem;
}
.grid button, button.act {
  grid-column: 1 / -1; cursor: pointer; border: none; border-radius: 8px;
  padding: 11px; font-weight: 700; font-size: .95rem;
  background: var(--accent); color: #1a1200;
}
.grid button:hover { filter: brightness(1.08); }

.pen {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 10px; background: var(--panel2);
}
.pen .top { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.pen .who { font-weight: 700; }
.pen .eur { color: var(--accent); font-weight: 800; }
.pen .det { color: var(--muted); font-size: .82rem; margin-top: 4px; }
.pen .actions { display: flex; gap: 8px; margin-top: 10px; align-items: center; flex-wrap: wrap; }
.pen .actions select { background: var(--panel); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 7px; }
.btn { cursor: pointer; border: none; border-radius: 8px; padding: 8px 14px; font-weight: 700; font-size: .85rem; }
.btn.ok { background: var(--green); color: #062812; }
.btn.no { background: var(--red); color: #2a0808; }
.btn:hover { filter: brightness(1.08); }

table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; }
.tag { font-size: .72rem; padding: 2px 7px; border-radius: 999px; font-weight: 700; }
.tag.PROPOSE { background: #0d2238; color: var(--blue); }
.tag.CONFIRM { background: #0f2417; color: var(--green); }
.tag.REJECT { background: #2a1313; color: var(--red); }
.tag.LOGIN { background: #0f2417; color: var(--green); }
.tag.LOGOUT { background: #21262d; color: var(--muted); }
.tag.LOGIN_FAIL { background: #2a1313; color: var(--red); }
.tag.PASSWORD_CHANGE { background: #2a2410; color: var(--accent); }
.sub-h { font-size: .9rem; color: var(--muted); margin: 18px 0 8px; }
.dev-block { margin-bottom: 14px; }
.dev-block > b { color: var(--accent); }
.hash { font-family: ui-monospace, monospace; color: var(--muted); font-size: .72rem; }
.status { font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.status.confirmed { background: #0f2417; color: var(--green); }
.status.pending { background: #2a2410; color: var(--accent); }
.status.rejected { background: #2a1313; color: var(--red); }

.overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 11, 16, .92); backdrop-filter: blur(4px);
}
/* El atributo [hidden] (display:none) lo pisa .overlay{display:flex}: forzamos ocultarlo. */
.overlay[hidden] { display: none; }
.login-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; width: 320px; max-width: 90vw;
  display: flex; flex-direction: column; gap: 10px;
}
.login-box h1 { margin: 0; text-align: center; font-size: 1.6rem; }
.login-box label { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; color: var(--muted); }
.login-box input, .login-box select {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px; font-size: .95rem;
}
.login-box .remember {
  flex-direction: row; align-items: center; gap: 8px;
  color: var(--text); font-size: .85rem; cursor: pointer;
}
.login-box .remember input { width: auto; }
.login-box button {
  cursor: pointer; border: none; border-radius: 8px; padding: 11px;
  font-weight: 700; background: var(--accent); color: #1a1200; font-size: .95rem;
}
#logout-btn { padding: 5px 12px; font-size: .78rem; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 24px; }
footer a { color: var(--blue); }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }