:root {
  /* Paleta PyNexus: verde esmeralda + dorado, fondo claro */
  --bg: #eef2f0;
  --sidebar: #0f3d2e;          /* verde profundo (topbar/login) */
  --sidebar-2: #12533c;
  --green: #059669;            /* esmeralda primario */
  --green-d: #047857;
  --gold: #f5b301;             /* acento del logo (NEXUS) */
  --card: #ffffff;
  --card-2: #f5f8f6;
  --border: #dfe7e3;
  --text: #122019;
  --muted: #6b8278;
  --blue: #0ea5e9;
  --red: #e11d48;
  --amber: #f59e0b;
  --purple: #8b5cf6;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--green-d); text-decoration: none; }

/* --- Logo PY NEXUS --- */
.brandlogo { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; }
.logo-badge {
  width: 32px; height: 32px; border-radius: 50%; background: #0f3d2e; color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
  border: 2px solid var(--green); flex: 0 0 auto;
}
.logo-word { font-size: 19px; letter-spacing: .5px; color: var(--text); }
.logo-word span { color: var(--gold); }
.on-dark .logo-word, .topbar .logo-word { color: #fff; }
.on-dark .logo-badge, .topbar .logo-badge { background: #fff; color: var(--sidebar); }

/* --- Login --- */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 20px;
  background: radial-gradient(1000px 500px at 80% -10%, #1c6b4e 0%, #0f3d2e 60%);
}
.login-card {
  width: 100%; max-width: 420px; background: var(--card);
  border-radius: 22px; padding: 32px 28px; box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
.brand { text-align: center; margin-bottom: 8px; display: flex; justify-content: center; }
.login-title { text-align: center; font-size: 20px; font-weight: 800; margin: 18px 0 2px; color: var(--sidebar); }
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 22px; }

label { display: block; font-size: 11px; letter-spacing: .6px; color: var(--muted); margin: 14px 0 6px; text-transform: uppercase; font-weight: 600; }
input, select, textarea {
  width: 100%; background: #fff; border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 12px 14px; font-size: 15px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(5,150,105,.12); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: 12px; padding: 13px 18px; font-size: 15px; font-weight: 700;
  cursor: pointer; color: #fff; width: 100%; transition: filter .15s; }
.btn:hover { filter: brightness(1.05); }
.btn.secondary { background: var(--card-2); border: 1px solid var(--border); color: var(--text); }
.btn.green { background: var(--green); }
.btn.blue { background: var(--sidebar); }     /* "ADMINISTRAR": verde profundo */
.btn.gold { background: var(--gold); color: #3a2c00; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); width: auto; }
.btn.danger { background: var(--red); }
.btn.sm { width: auto; padding: 9px 14px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display: grid; gap: 12px; margin-top: 18px; }
.btn .sub { font-weight: 400; opacity: .9; font-size: 12px; }
.btn-big { flex-direction: column; align-items: flex-start; padding: 16px 18px; }

.error { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 16px; }
.ok { color: var(--green-d); font-size: 13px; margin-top: 12px; }
.muted { color: var(--muted); }

/* --- App shell --- */
.topbar { background: linear-gradient(90deg, var(--sidebar), var(--sidebar-2)); color: #fff;
  padding: 10px 18px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 14px rgba(0,0,0,.15); }
.chip { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); color: #fff;
  border-radius: 10px; padding: 6px 12px; font-size: 13px; font-weight: 600; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: rgba(255,255,255,.8); padding: 8px 12px; border-radius: 8px; font-weight: 600; font-size: 14px; }
.nav a.active, .nav a:hover { color: #fff; background: rgba(255,255,255,.14); }
.spacer { flex: 1; }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,.9); }
.userbox .btn.ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.topbar select.chip option { color: #122019; }

.container { max-width: 1280px; margin: 0 auto; padding: 22px 18px 60px; }
.filterbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; background: #fff;
  border-bottom: 1px solid var(--border); padding: 12px 18px; }
.filterbar select, .filterbar input { width: auto; min-width: 160px; }

h1.page { font-size: 24px; margin: 4px 0 18px; display: flex; align-items: center; gap: 10px; color: var(--sidebar); }
.grid { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.cards-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: 0 1px 3px rgba(16,40,30,.04); }
.card h3 { margin: 0 0 14px; font-size: 13px; letter-spacing: .6px; text-transform: uppercase; color: var(--green-d); }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--card-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.stat .num { font-size: 26px; font-weight: 800; color: var(--text); }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 2px; }
.stat.green .num { color: var(--green); } .stat.blue .num { color: var(--blue); }
.stat.red .num { color: var(--red); } .stat.amber .num { color: var(--amber); }
.stat.purple .num { color: var(--purple); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 11px; letter-spacing: .6px; text-transform: uppercase;
  padding: 10px 12px; border-bottom: 2px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:hover td { background: var(--card-2); }

.badge { padding: 3px 9px; border-radius: 20px; font-size: 12px; font-weight: 700; display: inline-block; }
.badge.green { background: rgba(5,150,105,.14); color: var(--green-d); }
.badge.red { background: rgba(225,29,72,.12); color: var(--red); }
.badge.amber { background: rgba(245,158,11,.16); color: #b45309; }
.badge.blue { background: rgba(14,165,233,.14); color: #0369a1; }
.badge.gray { background: var(--card-2); color: var(--muted); border: 1px solid var(--border); }

.avatar { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; background: var(--card-2); border: 1px solid var(--border); }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }

/* --- Modal --- */
.modal-bg { position: fixed; inset: 0; background: rgba(15,61,46,.45); display: none; place-items: center; z-index: 100; padding: 16px; }
.modal-bg.open { display: grid; }
.modal { background: var(--card); border-radius: 18px; padding: 22px; width: 100%; max-width: 520px; max-height: 92vh; overflow: auto; box-shadow: 0 30px 80px rgba(0,0,0,.3); }
.modal h3 { margin: 0 0 16px; font-size: 18px; text-transform: none; letter-spacing: 0; color: var(--sidebar); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* --- Marcar --- */
.marcar-wrap { min-height: 100vh; display: grid; place-items: center; padding: 18px;
  background: radial-gradient(1000px 500px at 80% -10%, #1c6b4e 0%, #0f3d2e 60%); }
.marcar-card { width: 100%; max-width: 440px; background: var(--card); border-radius: 22px; padding: 24px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
#video, #snapshot { width: 100%; border-radius: 14px; background: #000; aspect-ratio: 3/4; object-fit: cover; }
.gps-line { font-size: 13px; color: var(--muted); margin: 10px 0; }
.result-box { margin-top: 14px; padding: 14px; border-radius: 12px; background: var(--card-2); border: 1px solid var(--border); display: none; }
.result-box.show { display: block; }
#map { height: 360px; border-radius: 12px; border: 1px solid var(--border); }
.hidden { display: none !important; }

/* Tarjetas de integración */
.int-status { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.green { background: var(--green); } .dot.red { background: var(--red); } .dot.gray { background: #94a3b8; }
.help { background: #fff8e6; border: 1px solid #f3d68b; color: #7a5b00; border-radius: 12px; padding: 12px 14px; font-size: 13px; }
code, pre { background: var(--card-2); border: 1px solid var(--border); border-radius: 8px; padding: 2px 6px; font-size: 13px; }
pre { padding: 12px; overflow: auto; }