:root {
  --bg: #0f1115;
  --card: #171a21;
  --linea: #262b36;
  --txt: #e6e8ec;
  --sub: #9aa3b2;
  --acc: #5b9dff;
  --peligro: #ff6b6b;
  --ok: #4ade80;
  --radio: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --linea: #e2e5ea;
    --txt: #1a1d23;
    --sub: #5f6875;
    --acc: #1f6feb;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 64px; }

h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 18px;
  margin-bottom: 16px;
}

.card.centro { max-width: 420px; margin: 12vh auto 0; }
.card.destacado { border-color: var(--ok); }

.barra {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.barra nav { display: flex; align-items: center; gap: 14px; }

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

label { display: block; font-size: .82rem; color: var(--sub); margin: 12px 0 5px; }

input[type=text], input[type=password], input[type=search], select {
  width: 100%; padding: 10px 12px;
  background: var(--bg); color: var(--txt);
  border: 1px solid var(--linea); border-radius: 8px;
  font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--acc); outline-offset: 1px; }
input[type=range] { width: 100%; accent-color: var(--acc); }

button {
  padding: 10px 16px; border: 0; border-radius: 8px;
  background: var(--acc); color: #fff; font: inherit; font-weight: 500;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button.peligro { background: transparent; color: var(--peligro); border: 1px solid var(--linea); }
button.link { background: none; color: var(--acc); padding: 0; font-weight: 400; }
form > button[type=submit] { margin-top: 16px; }

.fila { display: flex; gap: 12px; flex-wrap: wrap; }
.fila > div { flex: 1 1 180px; }
.inline { display: inline; margin: 0; }
.check { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; align-self: flex-end; }
.check label { margin: 0; }
.check input { accent-color: var(--acc); }

.sub { color: var(--sub); font-size: .85rem; margin: 4px 0; }
.error {
  color: var(--peligro); background: rgba(255,107,107,.1);
  border: 1px solid rgba(255,107,107,.3); border-radius: 8px;
  padding: 9px 12px; font-size: .88rem;
}
.aviso { color: var(--sub); font-size: .8rem; border-left: 2px solid var(--linea); padding-left: 10px; }

.mono, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88rem; word-break: break-all;
}
.seleccionable {
  background: var(--bg); border: 1px solid var(--linea);
  border-radius: 8px; padding: 10px 12px; user-select: all;
}

.lista { list-style: none; margin: 0; padding: 0; }
.lista li {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 12px 0; border-top: 1px solid var(--linea);
}
.lista li:first-child { border-top: 0; }
.lista li.revocada { opacity: .45; }
.info { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1 1 200px; }
.acciones { display: flex; gap: 8px; align-items: center; }
.acciones button { padding: 6px 12px; font-size: .84rem; background: var(--bg); color: var(--txt); border: 1px solid var(--linea); }
.acciones button.peligro { color: var(--peligro); }

.revelado { color: var(--ok); margin-top: 4px; }
.oculto { display: none; }

.pill {
  background: var(--bg); border: 1px solid var(--linea);
  border-radius: 999px; padding: 1px 8px; font-size: .78rem; color: var(--sub);
}

.qr { background: #fff; padding: 12px; border-radius: 8px; margin: 12px 0; }
.qr svg { display: block; width: 100%; height: auto; max-width: 220px; margin: 0 auto; }

details summary { cursor: pointer; color: var(--sub); font-size: .9rem; }