:root {
  --primary: #1a3a5c;
  --primary-dark: #0d2340;
  --primary-light: #2a5f9e;
  --accent: #c8a951;
  --accent-light: #f0e0a0;
  --sidebar-width: 260px;
  --topbar-height: 60px;
  --bg: #f0f4f8;
  --card-bg: #ffffff;
  --text: #2c3e50;
  --text-muted: #6c757d;
  --border: #e2e8f0;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;
}

* { box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); margin: 0; }

/* ── SIDEBAR ── */
.wrapper { min-height: 100vh; }
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  overflow-y: auto;
  transition: transform .3s;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.2) transparent;
}
.sidebar-header {
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  text-align: center;
}
.sidebar-logo {
  width: 44px; height: 44px;
  background: rgba(200,169,81,.2);
  border: 2px solid var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--accent);
  flex-shrink: 0;
}
.sidebar-title { font-size: .85rem; font-weight: 700; color: #fff; line-height: 1.2; }
.sidebar-subtitle { font-size: .7rem; color: rgba(255,255,255,.55); }

.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: #fff;
}
.user-avatar { color: var(--accent); flex-shrink: 0; }
.user-name { font-size: .82rem; font-weight: 600; color: #fff; }
.user-role { font-size: .7rem; color: rgba(255,255,255,.55); }

.sidebar-nav { list-style: none; padding: 10px 0; margin: 0; flex-grow: 1; }
.nav-section {
  font-size: .65rem; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: rgba(255,255,255,.4);
  padding: 14px 20px 4px;
}
.sidebar-nav li a.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 20px;
  color: rgba(255,255,255,.78);
  text-decoration: none;
  font-size: .875rem;
  border-radius: 0;
  transition: background .15s, color .15s;
}
.sidebar-nav li a.nav-link i { width: 18px; font-size: .9rem; opacity: .8; }
.sidebar-nav li a.nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.sidebar-nav li a.nav-link.active { background: var(--accent); color: var(--primary-dark) !important; font-weight: 600; }
.sidebar-nav li a.nav-link.active i { opacity: 1; }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.1); }
.btn-logout {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.7); text-decoration: none;
  font-size: .82rem; padding: 8px 12px;
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.btn-logout:hover { background: rgba(220,53,69,.2); color: #ff8a8a; }

/* ── MAIN CONTENT ── */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.topbar-title { font-weight: 700; font-size: 1.05rem; color: var(--primary); }
.content-area { padding: 24px; flex-grow: 1; }

/* ── CARDS ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  margin-bottom: 20px;
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  font-weight: 700;
  color: var(--primary);
  display: flex; align-items: center; gap: 8px;
  border-radius: 12px 12px 0 0 !important;
}
.card-body { padding: 20px; }

/* ── STAT CARDS ── */
.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  display: flex; align-items: center; gap: 16px;
}
.stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.blue { background: rgba(26,58,92,.1); color: var(--primary); }
.stat-icon.gold { background: rgba(200,169,81,.15); color: var(--accent); }
.stat-icon.green { background: rgba(40,167,69,.1); color: var(--success); }
.stat-icon.red { background: rgba(220,53,69,.1); color: var(--danger); }
.stat-icon.purple { background: rgba(102,16,242,.1); color: #6610f2; }
.stat-icon.teal { background: rgba(23,162,184,.1); color: var(--info); }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }

/* ── BUTTONS ── */
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-accent { background: var(--accent); border-color: var(--accent); color: var(--primary-dark); font-weight: 600; }
.btn-accent:hover { background: #b8942f; border-color: #b8942f; color: #fff; }
.bg-primary-soft { background: rgba(26,58,92,.1) !important; }
.text-primary { color: var(--primary) !important; }

/* ── TABLES ── */
.table { font-size: .875rem; }
.table thead th { background: var(--primary); color: #fff; border: none; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; padding: 12px 14px; }
.table tbody tr:hover { background: rgba(26,58,92,.04); }
.table td { padding: 11px 14px; vertical-align: middle; }
.badge-periodo { background: var(--accent); color: var(--primary-dark); font-size: .72rem; padding: 3px 8px; border-radius: 20px; font-weight: 700; }

/* ── FORMS ── */
.form-label { font-weight: 600; font-size: .83rem; color: var(--text); }
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 .2rem rgba(26,58,92,.2); }
.section-title { font-size: 1.1rem; font-weight: 800; color: var(--primary); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); display: flex; align-items: center; gap: 10px; }

/* ── PAGE HEADER ── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h1 { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin: 0; }

/* ── RESPONSIVE ── */
@media (max-width: 992px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

/* ── PRINT ── */
@media print {
  .sidebar, .topbar, .btn, .no-print { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #ddd !important; }
}

/* ── MISC ── */
.status-badge { padding: 3px 10px; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.status-active { background: rgba(40,167,69,.1); color: #1a7a34; }
.status-inactive { background: rgba(220,53,69,.1); color: #a71d2a; }
.action-btn { padding: 4px 10px; font-size: .78rem; border-radius: 6px; }
.periodo-badge { display: inline-block; background: var(--accent); color: var(--primary-dark); font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 20px; }
.zona-tag { background: var(--primary); color: #fff; font-size: .72rem; padding: 2px 8px; border-radius: 20px; }

/* ── ZONA FILTER (topbar superusuario) ── */
.zona-filter-wrap { background: rgba(200,169,81,.08); border: 1px solid rgba(200,169,81,.3); border-radius: 8px; padding: 4px 10px; }
.zona-selector:focus { border-color: var(--accent) !important; box-shadow: 0 0 0 .15rem rgba(200,169,81,.3) !important; }

/* ── ZONA BANNER (módulos) ── */
.zona-activa-banner {
    display: flex; align-items: center; gap: 8px;
    background: linear-gradient(90deg, rgba(200,169,81,.15), rgba(200,169,81,.05));
    border: 1px solid rgba(200,169,81,.4);
    border-radius: 8px;
    padding: 8px 14px;
    margin-bottom: 16px;
    font-size: .85rem;
    color: var(--primary);
}
.zona-activa-banner .zona-icon { color: var(--accent); font-size: 1rem; }