:root {
  --navy: #061C3B;
  --navy-soft: #0E2C55;
  --gold: #C5A03E;
  --gold-light: #F4EDDD;
  --gray-bg: #F5F6F8;
  --gray-line: #E2E5EA;
  --gray-text: #5B6270;
  --dark-text: #1B2230;
  --green: #2E8B57;
  --red: #B04545;
}

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--gray-bg);
  color: var(--dark-text);
  overflow-x: hidden;
}

/* --- Topbar --- */
.topbar {
  background: var(--navy);
  color: #fff;
  padding: 0.9rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--gold);
}
.topbar .brand { font-weight: 700; font-size: 17px; letter-spacing: 0.3px; }
.topbar .brand span { color: var(--gold); }
.topbar nav a {
  color: #E4E8F0; text-decoration: none; margin-left: 1.4rem; font-size: 14px;
}
.topbar nav a:hover { color: var(--gold); }
.topbar .userbox { display: flex; align-items: center; gap: 14px; }
.topbar .userbox .nombre { font-size: 13px; color: #B9C2D6; }

/* --- Layout general --- */
.container { max-width: 1100px; margin: 0 auto; padding: 1.8rem 1.5rem 3rem; }

.card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--gray-line);
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.4rem;
}

h1 { font-size: 22px; color: var(--navy); margin-bottom: 0.3rem; }
h2 { font-size: 16px; color: var(--navy); margin-bottom: 0.8rem; }
p.subtitle { color: var(--gray-text); font-size: 14px; margin-bottom: 1.4rem; }

/* --- Formularios --- */
.form-row { margin-bottom: 1rem; }
.form-row label {
  display: block; font-size: 13px; font-weight: 600; color: var(--navy);
  margin-bottom: 5px;
}
.form-row input[type=text], .form-row input[type=password], .form-row input[type=email],
.form-row select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--gray-line);
  border-radius: 8px; font-size: 14px; background: #fff;
}
.form-row input:focus, .form-row select:focus { outline: none; border-color: var(--gold); }

.btn {
  display: inline-block; background: var(--navy); color: #fff; border: none;
  padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--navy-soft); }
.btn.gold { background: var(--gold); color: var(--navy); }
.btn.gold:hover { background: #b6923a; }

.alert { padding: 10px 14px; border-radius: 8px; font-size: 13.5px; margin-bottom: 1rem; }
.alert.error { background: #FBEAEA; color: var(--red); border: 1px solid #E9BFBF; }
.alert.success { background: #E9F6EF; color: var(--green); border: 1px solid #BFE3CD; }

/* --- Login --- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--navy);
}
.login-box {
  background: #fff; border-radius: 14px; padding: 2.4rem 2.2rem; width: 380px;
  max-width: 90vw; box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-box .brand-mark {
  width: 44px; height: 44px; border-radius: 10px; background: var(--gold);
  display: flex; align-items: center; justify-content: center; font-weight: 800;
  color: var(--navy); font-size: 20px; margin: 0 auto 1rem;
}
.login-box h1 { text-align: center; font-size: 19px; }
.login-box p.subtitle { text-align: center; }
.login-box .btn { width: 100%; text-align: center; margin-top: 0.4rem; }

/* --- Tabla de resultados --- */
table.resultados { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.resultados th {
  background: var(--navy); color: #fff; text-align: left; padding: 10px 12px;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px;
}
table.resultados td { padding: 10px 12px; border-bottom: 1px solid var(--gray-line); }
table.resultados tr:hover td { background: var(--gold-light); }

.status-pill {
  display: inline-block; background: var(--gold-light); color: #8A6D1F;
  font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 20px;
}

/* --- Timeline (detalle de un embarque) --- */
.timeline { margin-top: 0.6rem; }
.tl-item { position: relative; padding-left: 28px; padding-bottom: 1.2rem; font-size: 13.5px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: 7px; top: 18px; bottom: -1.2rem;
  width: 2px; background: var(--gray-line);
}
.tl-item:last-child::before { display: none; }
.tl-dot {
  position: absolute; left: 0; top: 2px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--green); border: 2px solid var(--green);
}
.tl-title { font-weight: 600; color: var(--navy); }
.tl-meta { color: var(--gray-text); font-size: 12.5px; margin-top: 2px; }

/* --- Reportes / KPIs --- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.4rem; }
.kpi-box { background: #fff; border: 1px solid var(--gray-line); border-radius: 12px; padding: 1.1rem 1.2rem; }
.kpi-box .label { font-size: 12px; color: var(--gray-text); margin-bottom: 4px; }
.kpi-box .value { font-size: 22px; font-weight: 700; color: var(--navy); }

.filtros-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 1rem; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 1rem; }

@media (max-width: 720px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .filtros-grid { grid-template-columns: 1fr; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; row-gap: 10px; padding: 0.9rem 1.1rem; }
  .topbar nav { padding-left: 0 !important; order: 3; width: 100%; }
  .container { padding: 1.2rem 1rem 2.5rem; }
  .card { padding: 1.1rem 1.2rem; }

  /* Tabla de resultados → tarjetas apiladas (sin scroll lateral) */
  table.resultados thead { display: none; }
  table.resultados, table.resultados tbody, table.resultados tr, table.resultados td {
    display: block; width: 100%;
  }
  table.resultados tr {
    border: 1px solid var(--gray-line); border-radius: 10px;
    padding: 10px 12px; margin-bottom: 12px;
  }
  table.resultados td {
    border: none; padding: 6px 0; text-align: left;
    display: flex; justify-content: space-between; gap: 10px;
  }
  table.resultados td::before {
    content: attr(data-label);
    font-weight: 600; color: var(--navy); font-size: 11.5px;
    text-transform: uppercase; letter-spacing: 0.3px; flex-shrink: 0;
  }
  table.resultados td:last-child { justify-content: flex-end; }
}

@media (max-width: 420px) {
  .kpi-grid { grid-template-columns: 1fr; }
}