:root {
  --blue: #0C447C;
  --blue-soft: #E6F1FB;
  --ok: #1B7F4B;
  --ok-soft: #E5F4EC;
  --crit: #C0392B;
  --crit-soft: #FBEAE7;
  --ink: #1a1a1a;
  --muted: #6b6660;
  --line: #e5e3df;
  --bg: #f7f6f4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
.screen { max-width: 480px; margin: 0 auto; padding: 20px 16px 40px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.err { color: var(--crit); }

.brand { font-weight: 600; font-size: 18px; letter-spacing: .5px; color: var(--blue); }
.brand span { color: var(--ink); font-weight: 400; }

/* login */
#login { padding-top: 60px; text-align: center; }
#login input {
  width: 100%; padding: 14px; margin: 16px 0 12px;
  border: 1px solid var(--line); border-radius: 10px; font-size: 16px;
}
#login button, #key-btn {
  width: 100%; padding: 14px; border: 0; border-radius: 10px;
  background: var(--blue); color: #fff; font-size: 16px; font-weight: 500;
}

/* topbar */
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.link { background: none; border: 0; color: var(--muted); font-size: 14px; }

/* status card */
.status-card {
  display: flex; align-items: center; gap: 18px;
  padding: 20px; border-radius: 16px; margin-bottom: 18px;
  background: var(--bg);
  transition: background .3s;
}
.status-card.verde   { background: var(--ok-soft); }
.status-card.amarillo { background: #FBF3DA; }
.status-card.rojo    { background: var(--crit-soft); }
#status-title { font-size: 20px; font-weight: 600; }
.status-card.verde   #status-title { color: var(--ok); }
.status-card.amarillo #status-title { color: #8A6D1A; }
.status-card.rojo    #status-title { color: var(--crit); }

/* semáforo de 3 luces */
.semaforo {
  display: flex; flex-direction: column; gap: 7px;
  padding: 9px; border-radius: 14px; background: #2b2b2b;
}
.luz { width: 22px; height: 22px; border-radius: 50%; opacity: .16; transition: opacity .3s, box-shadow .3s; }
.luz.roja     { background: var(--crit); color: var(--crit); }
.luz.amarilla { background: #E5A50A; color: #E5A50A; }
.luz.verde    { background: var(--ok); color: var(--ok); }
.luz.on { opacity: 1; box-shadow: 0 0 12px currentColor; }

/* counts */
.counts { display: flex; gap: 10px; margin-bottom: 26px; }
.count {
  flex: 1; text-align: center; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 6px;
}
.count span { display: block; font-size: 24px; font-weight: 600; }
.count label { font-size: 12px; color: var(--muted); }

h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; }

/* list */
.list { display: flex; flex-direction: column; gap: 10px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px; border-left: 4px solid var(--muted);
}
.card.critico { border-left-color: var(--crit); }
.card.rutinario { border-left-color: var(--blue); }
.card .row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card .titulo { font-weight: 600; font-size: 15px; }
.card .msg { margin: 6px 0 8px; font-size: 14px; }
.card .meta { font-size: 12px; color: var(--muted); }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 20px; white-space: nowrap;
  background: var(--blue-soft); color: var(--blue);
}
.badge.critico { background: var(--crit-soft); color: var(--crit); }
.card.vista { opacity: .55; }
.empty { text-align: center; color: var(--muted); padding: 30px 0; }