/* Layout: cabecera, pestañas (tabs), contenedor principal y paneles. */

.header {
  background: linear-gradient(135deg, var(--big-navy) 0%, #003D6E 100%);
  padding: 0.85rem 1.5rem;
  display: flex; align-items: center; gap: 1.2rem;
  justify-content: space-between; flex-wrap: wrap;
  border-bottom: 3px solid var(--big-blue);
  box-shadow: 0 2px 12px rgba(0,43,74,0.3);
  position: relative; overflow: hidden;
}
.header::after {
  content: '';
  position: absolute; right: -60px; top: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  border: 2px solid rgba(1,123,196,0.2);
  background: rgba(1,123,196,0.05);
  pointer-events: none;
}
.header-left { display: flex; align-items: center; gap: 1rem; position: relative; z-index: 2; }
.header-logo { font-family: var(--font-head); font-size: 1.7rem; font-weight: 800; color: var(--white); letter-spacing: 2px; line-height: 1; }
.header-sub { font-size: 0.72rem; color: rgba(150,186,208,0.85); margin-top: 3px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.header-actions { display: flex; gap: 6px; align-items: center; position: relative; z-index: 2; flex-wrap: wrap; }
.hbtn {
  padding: 6px 12px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: var(--font-body);
  letter-spacing: 0.3px;
}
.hbtn:hover { background: rgba(1,123,196,0.4); border-color: var(--big-blue); }
.hbtn.gold { background: var(--big-blue); color: white; border-color: var(--big-blue); font-weight: 700; }

.tabs { background: var(--white); border-bottom: 2px solid var(--border); display: flex; gap: 0; padding: 0 1.5rem; overflow-x: auto; box-shadow: 0 2px 6px rgba(0,43,74,0.05); }
.tab { padding: 0.75rem 1rem; font-family: var(--font-body); font-size: 0.82rem; font-weight: 700; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all .15s; white-space: nowrap; display: flex; align-items: center; gap: 6px; letter-spacing: 0.2px; }
.tab:hover { color: var(--big-blue); }
.tab.active { color: var(--big-blue); border-bottom-color: var(--big-blue); }
.tab-icon { font-size: 1rem; }
.tab.config { color: var(--big-gold); }
.tab.config.active { border-bottom-color: var(--big-gold); color: var(--big-gold); }
.tab.pnl { color: var(--success); }
.tab.pnl.active { border-bottom-color: var(--success); color: var(--success); }
.tab.segui { color: var(--big-blue); }
.tab.segui.active { border-bottom-color: var(--big-blue); color: var(--big-blue); }
.tab.cierre { color: var(--purple); }
.tab.cierre.active { border-bottom-color: var(--purple); color: var(--purple); }
.tab.dashboard { color: #D97706; }
.tab.dashboard.active { border-bottom-color: #D97706; color: #D97706; }
.tab.reporting { color: #0E7C66; }
.tab.reporting.active { border-bottom-color: #0E7C66; color: #0E7C66; }

.main { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
.panel { display: none; animation: fadeIn .2s; }
.panel.active { display: block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(4px)} to{opacity:1;transform:translateY(0)} }

@media (max-width: 900px) {
  .form-grid, .form-grid.three, .form-grid.four { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .item-body { grid-template-columns: 1fr 1fr; }
  .main { padding: 1rem; }
  .logo-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .item-body { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .header { flex-direction: column; align-items: stretch; }
  .header-actions { justify-content: center; }
  .xunta-doc-header { grid-template-columns: 1fr; text-align: center; }
  .xunta-doc-header > div { justify-content: center !important; }
}