:root {
  --navy: #1F4E78;
  --navy-dark: #163a5a;
  --blue-light: #D9E1F2;
  --cream: #FFF2CC;
  --green: #2E7D32;
  --green-soft: #E2EFDA;
  --amber: #B7791F;
  --amber-soft: #FFF3CD;
  --red: #C62828;
  --red-soft: #FCE4D6;
  --gray: #6b7280;
  --gray-soft: #f4f6f9;
  --border: #e3e8ef;
  --text: #1f2937;
  --shadow: 0 1px 3px rgba(16,42,67,.08), 0 1px 2px rgba(16,42,67,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #eef1f6;
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Login ─────────────────────────────────────────── */
#login {
  position: fixed; inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
}
.login-card {
  background: #fff; border-radius: 14px; padding: 38px 34px;
  width: 100%; max-width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.3);
  text-align: center;
}
.login-card h1 { color: var(--navy); font-size: 22px; margin-bottom: 4px; }
.login-card p { color: var(--gray); font-size: 13px; margin-bottom: 24px; }
.login-card input {
  width: 100%; padding: 13px 14px; font-size: 15px;
  border: 1.5px solid var(--border); border-radius: 9px; margin-bottom: 14px;
  outline: none; transition: border-color .15s;
}
.login-card input:focus { border-color: var(--navy); }
.login-card button {
  width: 100%; padding: 13px; font-size: 15px; font-weight: 600;
  background: var(--navy); color: #fff; border: none; border-radius: 9px;
  cursor: pointer; transition: background .15s;
}
.login-card button:hover { background: var(--navy-dark); }
.login-error { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ── Layout ────────────────────────────────────────── */
.topbar {
  background: var(--navy); color: #fff;
  padding: 16px 24px; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 10px;
  box-shadow: var(--shadow);
}
.topbar h1 { font-size: 19px; font-weight: 650; letter-spacing: .2px; }
.topbar .meta { font-size: 12.5px; opacity: .85; text-align: right; }

main { max-width: 1180px; margin: 0 auto; padding: 22px 20px 60px; }

/* nav de vistas */
.nav { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 2px solid var(--border); }
.nav button {
  padding: 10px 18px; font-size: 14px; font-weight: 650; border: none;
  background: none; color: var(--gray); cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all .12s;
}
.nav button:hover { color: var(--navy); }
.nav button.active { color: var(--navy); border-bottom-color: var(--navy); }

/* montos en tabla de contratos */
.kpi.accent-amber .value { color: var(--amber); }
td.money-in { color: var(--green); font-weight: 650; }
td.money-out { color: var(--amber); font-weight: 650; }
td.fijar { color: var(--gray); font-style: italic; }

/* filtros */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.chip {
  padding: 7px 16px; border-radius: 20px; border: 1.5px solid var(--border);
  background: #fff; color: var(--navy); font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: all .12s;
}
.chip:hover { border-color: var(--navy); }
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.kpi {
  background: #fff; border-radius: 12px; padding: 16px 18px;
  box-shadow: var(--shadow); border-left: 4px solid var(--navy);
}
.kpi .label { font-size: 12px; color: var(--gray); font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px; }
.kpi .value { font-size: 26px; font-weight: 700; color: var(--navy); margin-top: 5px; }
.kpi .sub { font-size: 12px; color: var(--gray); margin-top: 2px; }
.kpi.accent-green { border-left-color: var(--green); }
.kpi.accent-green .value { color: var(--green); }
.kpi.accent-amber { border-left-color: var(--amber); }

/* banner anomalias */
.banner {
  background: var(--amber-soft); border: 1px solid #f0d98a; border-radius: 12px;
  padding: 14px 18px; margin-bottom: 20px;
}
.banner h3 { font-size: 14px; color: var(--amber); margin-bottom: 8px; display: flex; align-items: center; gap: 7px; }
.banner ul { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.banner li { font-size: 13px; color: #6b5414; }
.banner li b { color: var(--navy); }

/* paneles */
.panel {
  background: #fff; border-radius: 12px; padding: 18px 20px;
  box-shadow: var(--shadow); margin-bottom: 20px;
}
.panel-head { display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.panel-head h2 { font-size: 16px; color: var(--navy); }
.toggle { display: flex; gap: 0; border: 1.5px solid var(--border); border-radius: 8px; overflow: hidden; }
.toggle button {
  padding: 6px 13px; font-size: 12.5px; font-weight: 600; border: none;
  background: #fff; color: var(--gray); cursor: pointer;
}
.toggle button.active { background: var(--navy); color: #fff; }
.chart-wrap { position: relative; height: 340px; }

/* cards por grano */
.grain-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 13px; }
.grain {
  border: 1px solid var(--border); border-radius: 11px; padding: 14px;
  background: linear-gradient(180deg, #fff 0%, #fafbfd 100%);
}
.grain .name { font-size: 13.5px; font-weight: 700; color: var(--navy); display: flex; justify-content: space-between; align-items: center; }
.grain .tag { font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 10px; }
.tag.green { background: var(--green-soft); color: var(--green); }
.tag.amber { background: var(--amber-soft); color: var(--amber); }
.tag.red { background: var(--red-soft); color: var(--red); }
.tag.gray { background: #eceff3; color: var(--gray); }
.grain .disp { font-size: 28px; font-weight: 800; color: var(--navy); margin: 8px 0 0; }
.grain .disp small { font-size: 13px; font-weight: 600; color: var(--gray); }
.grain .meta2 { font-size: 11.5px; color: var(--gray); margin-top: 3px; }
.bar { height: 7px; border-radius: 4px; background: #eceff3; margin-top: 10px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--navy); }

/* tabla */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  background: var(--navy); color: #fff; font-weight: 600; text-align: right;
  padding: 9px 11px; white-space: nowrap; position: sticky; top: 0;
}
thead th:first-child, thead th:nth-child(2) { text-align: left; }
tbody td { padding: 8px 11px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
tbody td:first-child, tbody td:nth-child(2) { text-align: left; }
tbody tr:hover { background: var(--gray-soft); }
tbody tr.anom { background: var(--red-soft); }
tbody tr.anom:hover { background: #f8d7c4; }
.est { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; }
.neg { color: var(--red); font-weight: 700; }
.muted { color: var(--gray); }

footer { text-align: center; color: var(--gray); font-size: 11.5px; margin-top: 24px; }

/* responsive */
@media (max-width: 820px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .topbar .meta { text-align: left; }
}
@media (max-width: 480px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpi .value { font-size: 22px; }
  .chart-wrap { height: 300px; }
}