:root {
  --bg: #0f1420;
  --bg-2: #161d2c;
  --card: #1b2333;
  --card-2: #212b3d;
  --line: #2b354a;
  --txt: #e8edf6;
  --txt-dim: #97a3ba;
  --accent: #f59e0b;
  --blue: #3b82f6;
  --green: #22c55e;
  --lime: #84cc16;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1c2740 0%, var(--bg) 55%);
  color: var(--txt);
  min-height: 100vh;
}
.hidden { display: none !important; }

/* Brand */
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; letter-spacing: .5px;
  color: #1a1205; background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: var(--shadow);
}
.brand h1 { font-size: 1.15rem; margin: 0; font-weight: 700; }
.brand-sub { margin: 2px 0 0; font-size: .82rem; color: var(--txt-dim); }

/* Login */
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 16px;
}
.login-card .brand { margin-bottom: 6px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: .82rem; color: var(--txt-dim); }
.login-card input {
  background: var(--bg-2); border: 1px solid var(--line); color: var(--txt);
  padding: 12px 13px; border-radius: 10px; font-size: .95rem; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button, .content button.primary {
  background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #1a1205;
  border: none; padding: 12px; border-radius: 10px; font-weight: 700;
  font-size: .95rem; cursor: pointer; margin-top: 4px;
}
.login-card button:disabled { opacity: .6; cursor: default; }
.login-error { color: #fca5a5; font-size: .85rem; margin: 0; min-height: 1em; text-align: center; }

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 26px; border-bottom: 1px solid var(--line);
  background: rgba(20,27,42,.7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.topbar-right { display: flex; align-items: center; gap: 10px; }
.updated { font-size: .78rem; color: var(--txt-dim); }
button.ghost {
  background: var(--card-2); border: 1px solid var(--line); color: var(--txt);
  padding: 8px 12px; border-radius: 9px; cursor: pointer; font-size: .82rem;
}
button.ghost:hover { border-color: var(--accent); }

/* Content */
.content { padding: 22px 26px 40px; max-width: 1180px; margin: 0 auto; }
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: flex; flex-direction: column; gap: 4px;
}
.kpi-label { font-size: .78rem; color: var(--txt-dim); }
.kpi-val { font-size: 1.9rem; font-weight: 800; line-height: 1.1; }
.kpi-sub { font-size: .72rem; color: var(--txt-dim); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-head h2 { font-size: 1rem; margin: 0; font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Funnel */
.funnel { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; }
.funnel-step {
  flex: 1; min-width: 120px; background: var(--card-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 6px; align-items: center;
}
.funnel-step.highlight { border-color: var(--accent); background: linear-gradient(180deg, rgba(245,158,11,.12), var(--card-2)); }
.fs-val { font-size: 1.7rem; font-weight: 800; }
.fs-lab { font-size: .76rem; color: var(--txt-dim); text-align: center; }
.funnel-arrow { align-self: center; color: var(--txt-dim); font-size: 1.2rem; }

/* Valoración */
.val-wrap { display: grid; grid-template-columns: 150px 1fr; gap: 18px; align-items: center; }
.val-gauge { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.gauge-num { font-size: 3rem; font-weight: 800; color: var(--accent); line-height: 1; }
.gauge-sub { font-size: .8rem; color: var(--txt-dim); }
.gauge-meta { font-size: .74rem; color: var(--txt-dim); margin-top: 8px; text-align: center; }
.val-chart { height: 180px; }
.chart-box { height: 240px; }

/* Table */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.table th, .table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.table th { color: var(--txt-dim); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table tbody tr:hover { background: var(--card-2); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 700; }

.empty { color: var(--txt-dim); font-size: .85rem; text-align: center; padding: 14px; }
.foot { text-align: center; color: var(--txt-dim); font-size: .76rem; padding: 20px; }

@media (max-width: 860px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .val-wrap { grid-template-columns: 1fr; }
  .val-chart { height: 200px; }
}