:root {
  --bg: #0a0a0f;
  --panel: #121218;
  --card: #16161f;
  --border: #232330;
  --text: #e8e8ee;
  --muted: #8a8a99;
  --pink: #ff2d78;
  --green: #2dd4a0;
  --cyan: #38bdf8;
  --violet: #a78bfa;
  --yellow: #fbbf24;
  --red: #f87171;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif; font-size: 14px;
}
.hidden { display: none !important; }

/* ---------- Login ---------- */
#login-view { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 40px; width: 360px; box-shadow: 0 0 60px rgba(255,45,120,.08);
}
.login-card form { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.note { color: var(--cyan); font-size: 13px; }

/* ---------- Marca ---------- */
.brand { color: var(--pink); font-size: 22px; font-weight: 800; letter-spacing: .3px; }
.brand span { display: block; color: var(--muted); font-size: 11px; font-weight: 400; margin-top: 2px; }

/* ---------- Selector de grupo ---------- */
.brand-box { position: relative; display: flex; align-items: flex-start; gap: 6px; }
.brand-box .brand { flex: 1; min-width: 0; overflow-wrap: break-word; font-size: 16px; line-height: 1.3; }
.brand-arrow {
  background: none; border: none; color: var(--pink); font-size: 15px; cursor: pointer;
  padding: 2px 6px; border-radius: 6px; margin-top: 3px;
}
.brand-arrow:hover { background: var(--card); }
.group-dd {
  position: absolute; top: 100%; left: 0; right: 0; margin-top: 6px; z-index: 50;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5); overflow: hidden;
}
.dd-item { padding: 10px 12px; cursor: pointer; font-size: 13px; }
.dd-item:hover { background: rgba(255,45,120,.1); }
.dd-item.on { color: var(--pink); font-weight: 600; }

/* ---------- Layout ---------- */
#app-view { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; background: var(--panel); border-right: 1px solid var(--border);
  padding: 22px 14px; display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto; flex-shrink: 0;
}
#nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
#nav a {
  color: var(--muted); text-decoration: none; padding: 9px 12px; border-radius: 8px;
  display: flex; align-items: center; gap: 10px; font-size: 13.5px;
}
#nav a:hover { background: var(--card); color: var(--text); }
#nav a.active { background: rgba(255,45,120,.12); color: var(--pink); font-weight: 600; }
.sidebar-footer { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; }
#main { flex: 1; padding: 0 28px 40px; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 22px; color: var(--muted);
}
h2.page-title { color: var(--pink); font-size: 22px; margin-bottom: 18px; }
.page-actions { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

/* ---------- Tarjetas ---------- */
.grid { display: grid; gap: 12px; margin-bottom: 16px; }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px;
}
.stat .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .8px; }
.stat .value { font-size: 26px; font-weight: 800; margin-top: 6px; }
.stat .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.pink { color: var(--pink); } .green { color: var(--green); } .cyan { color: var(--cyan); }
.violet { color: var(--violet); } .yellow { color: var(--yellow); } .red { color: var(--red); }
.muted { color: var(--muted); }

/* ---------- Botones / inputs ---------- */
.btn {
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--pink); }
.btn.primary { background: var(--pink); border-color: var(--pink); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.danger { color: var(--red); }
.btn.danger:hover { border-color: var(--red); }
.btn:disabled { opacity: .5; cursor: wait; }
label { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 12.5px; }
input, select, textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: 9px 11px; font-size: 13.5px; font-family: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--pink); }
textarea { resize: vertical; min-height: 90px; }
.error { color: var(--red); font-size: 13px; }

/* ---------- Tablas ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .6px; cursor: pointer; user-select: none; white-space: nowrap; }
th:hover { color: var(--text); }
th.sorted-asc::after { content: ' ▲'; color: var(--pink); }
th.sorted-desc::after { content: ' ▼'; color: var(--pink); }
tr:hover td { background: rgba(255,255,255,.015); }
td .btn { margin-right: 4px; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600;
  border: 1px solid var(--border); color: var(--muted);
}
.badge.active, .badge.online, .badge.ok, .badge.activa, .badge.verificada { color: var(--green); border-color: rgba(45,212,160,.4); background: rgba(45,212,160,.08); }
.badge.offline, .badge.baja, .badge.cancelada { color: var(--muted); }
.badge.error, .badge.vencida, .badge.suspendida { color: var(--red); border-color: rgba(248,113,113,.4); background: rgba(248,113,113,.08); }
.badge.pendiente, .badge.warn { color: var(--yellow); border-color: rgba(251,191,36,.4); background: rgba(251,191,36,.08); }
.badge.alianza { color: var(--cyan); border-color: rgba(56,189,248,.35); }
.badge.sfs { color: var(--violet); border-color: rgba(167,139,250,.35); }
.badge.principal, .badge.verificadas { color: var(--pink); border-color: rgba(255,45,120,.35); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.offline { background: var(--muted); }
.dot.error { background: var(--red); box-shadow: 0 0 6px var(--red); }

/* ---------- Feed ---------- */
.feed { display: flex; flex-direction: column; gap: 8px; max-height: 420px; overflow-y: auto; }
.feed-item { display: flex; gap: 10px; font-size: 12.5px; padding: 7px 4px; border-bottom: 1px solid var(--border); }
.feed-item .time { color: var(--muted); white-space: nowrap; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7); display: flex;
  align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; width: 100%; max-width: 560px;
}
.modal h3 { color: var(--pink); margin-bottom: 16px; }
.modal form { display: flex; flex-direction: column; gap: 12px; }
.modal .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

/* ---------- Toast ---------- */
#toast-root { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--green);
  padding: 12px 16px; border-radius: 10px; font-size: 13px; max-width: 380px;
  animation: slidein .2s ease;
}
.toast.error { border-left-color: var(--red); }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } }

.empty { color: var(--muted); padding: 24px; text-align: center; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { cursor: pointer; }
.chip.on { color: var(--pink); border-color: var(--pink); }
code { background: var(--bg); padding: 2px 6px; border-radius: 5px; font-size: 12px; }
.help { color: var(--muted); font-size: 12px; line-height: 1.5; }