/* Admin (post-login) theme for Xtreme Performance */
:root {
  --xp-red: #c62828;           /* principal */
  --xp-red-dark: #8e0000;      /* hover/active */
  --xp-charcoal: #101418;      /* fondo oscuro */
  --xp-ink: #0b0f13;
  --xp-gray-100: #f6f7f9;
  --xp-gray-200: #e9ecef;
  --xp-gray-600: #6c757d;
  --xp-white: #ffffff;
}

/* Navbar */
.admin-navbar {
  background: linear-gradient(90deg, var(--xp-ink), var(--xp-charcoal) 45%, var(--xp-ink));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-logo {
  height: 38px;
  width: auto;
  display: block;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  letter-spacing: .2px;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--xp-white);
}

.navbar-dark .navbar-nav .nav-link.active {
  color: var(--xp-white);
  position: relative;
}

.navbar-dark .navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: -6px;
  height: 3px;
  background: var(--xp-red);
  border-radius: 2px;
}

/* Buttons */
.btn-primary {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--xp-red);
  --bs-btn-border-color: var(--xp-red);
  --bs-btn-hover-bg: var(--xp-red-dark);
  --bs-btn-hover-border-color: var(--xp-red-dark);
  --bs-btn-focus-shadow-rgb: 198,40,40;
}

.btn-outline-primary {
  --bs-btn-color: var(--xp-red);
  --bs-btn-border-color: var(--xp-red);
  --bs-btn-hover-bg: var(--xp-red);
  --bs-btn-hover-border-color: var(--xp-red);
  --bs-btn-hover-color: #fff;
}

/* Cards and layout */
body {
  background: radial-gradient(1000px 600px at 10% -10%, rgba(198,40,40,.08), transparent 60%),
              radial-gradient(900px 600px at 110% -20%, rgba(198,40,40,.06), transparent 60%),
              var(--xp-gray-100);
}

.card {
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
  border-radius: 12px;
}

.card-header {
  background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,.4));
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* Tables */
.table thead th {
  background: var(--xp-charcoal);
  color: #e8eaed;
  border-color: rgba(255,255,255,0.08);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: #fafbfc;
}

.table-hover > tbody > tr:hover > * {
  --bs-table-accent-bg: #f3f6fa;
}

/* Sticky table headers inside responsive wrapper */
.table-responsive thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--xp-charcoal);
  color: #e8eaed;
}

/* Alerts */
.alert-success { background-color: #e8f5e9; color: #1b5e20; border-color: #c8e6c9; }
.alert-danger { background-color: #ffebee; color: #b71c1c; border-color: #ffcdd2; }
.alert-warning { background-color: #fff8e1; color: #8d6e63; border-color: #ffecb3; }

/* Forms */
.form-control:focus {
  border-color: var(--xp-red);
  box-shadow: 0 0 0 .25rem rgba(198,40,40,.2);
}

/* Pagination */
.page-link { color: var(--xp-red); }
.page-item.active .page-link { background-color: var(--xp-red); border-color: var(--xp-red); }

/* Footer spacing in admin pages */
.container-fluid > .row.content { margin-top: 10px; }

/* Enhancements: microinteractions, modern feel */
html { scroll-behavior: smooth; }

.brand-logo { transition: transform .2s ease; }
.brand-logo:hover { transform: scale(1.02); }

.navbar-dark .navbar-nav .nav-link { transition: color .15s ease, transform .15s ease; }
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus { transform: translateY(-1px); }

.btn { transition: all .18s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(0,0,0,.08); }
.btn:active { transform: translateY(0); box-shadow: none; }

@keyframes xp-fade-up { from {opacity:0; transform: translateY(6px);} to {opacity:1; transform:none;} }
.card { animation: xp-fade-up .25s ease both; }

.table td, .table th { vertical-align: middle; }
.table-hover > tbody > tr { transition: background-color .15s ease, transform .15s ease; }
.table-hover > tbody > tr:hover { transform: scale(1.002); box-shadow: inset 3px 0 0 0 var(--xp-red); }

.form-control, .form-select { border-radius: 10px; transition: box-shadow .2s ease, border-color .2s ease; }
.form-control::placeholder { color: #9aa3ab; }

/* Spinner utility (use <span class="xp-spinner"></span>) */
@keyframes xp-spin { to { transform: rotate(360deg);} }
.xp-spinner { width: 1.25rem; height: 1.25rem; border-radius: 50%; border: 2px solid rgba(0,0,0,.1); border-top-color: var(--xp-red); animation: xp-spin .8s linear infinite; display: inline-block; }

/* Full-page loader overlay (use <div id="xp-loader" class="xp-loader-overlay"><div class="xp-loader-content"><span class="xp-spinner-large"></span><p>Cargando...</p></div></div>) */
.xp-loader-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(16,20,24,.92); z-index: 9999; display: none; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.xp-loader-overlay.show { display: flex; animation: xp-fade-in .2s ease; }
.xp-loader-content { text-align: center; color: #fff; }
.xp-spinner-large { width: 3rem; height: 3rem; border-radius: 50%; border: 3px solid rgba(255,255,255,.2); border-top-color: var(--xp-red); animation: xp-spin .8s linear infinite; display: inline-block; margin-bottom: 1rem; }
@keyframes xp-fade-in { from {opacity:0;} to {opacity:1;} }

/* Enhanced alerts with slide-in animation */
@keyframes xp-slide-down { from {opacity:0; transform: translateY(-12px);} to {opacity:1; transform:none;} }
.alert { border-radius: 10px; animation: xp-slide-down .3s ease both; border-left: 4px solid; }
.alert-success { border-left-color: #2e7d32; }
.alert-danger { border-left-color: #c62828; }
.alert-warning { border-left-color: #f57c00; }
.alert-info { background-color: #e3f2fd; color: #01579b; border-color: #90caf9; border-left-color: #1976d2; }

/* Modal enhancements */
.modal-content { border-radius: 16px; border: none; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal-header { border-bottom: 1px solid rgba(0,0,0,.08); background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.88)); border-radius: 16px 16px 0 0; }
.modal-footer { border-top: 1px solid rgba(0,0,0,.08); background: rgba(255,255,255,.95); border-radius: 0 0 16px 16px; }
.modal.fade .modal-dialog { transition: transform .25s ease-out; }

/* Badge enhancements */
.badge { border-radius: 6px; padding: .35em .65em; font-weight: 600; letter-spacing: .3px; }

/* Dropdown menu polish */
.dropdown-menu { border-radius: 10px; border: 1px solid rgba(0,0,0,.08); box-shadow: 0 12px 28px rgba(0,0,0,.12); animation: xp-fade-up .18s ease both; }
.dropdown-item { transition: background-color .15s ease; }
.dropdown-item:hover { background-color: #f8f9fa; }

/* Tooltip-like effect on focus */
input:focus, textarea:focus, select:focus { outline: none; }

/* Progress bars */
.progress { height: 1.25rem; border-radius: 8px; background-color: rgba(0,0,0,.06); }
.progress-bar { background-color: var(--xp-red); transition: width .3s ease; }

/* Breadcrumbs (if used in future) */
.breadcrumb { background: transparent; padding: 0; margin-bottom: 1rem; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--xp-gray-600); }
.breadcrumb-item.active { color: var(--xp-red); font-weight: 600; }

/* KPI Cards with subtle hover lift */
.xp-kpi-card { transition: transform .2s ease, box-shadow .2s ease; cursor: default; }
.xp-kpi-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(0,0,0,.1); }

/* Responsive image thumbnails with hover zoom */
.xp-img-thumbnail { border-radius: 8px; transition: transform .2s ease, box-shadow .2s ease; cursor: pointer; }
.xp-img-thumbnail:hover { transform: scale(1.05); box-shadow: 0 8px 20px rgba(0,0,0,.15); }

/* Search input polish */
input[type="search"], input[placeholder*="Buscar"] { border-radius: 20px; padding-left: 2.5rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: 0.75rem center; background-size: 16px; }

/* Link styles */
a { text-decoration: none; transition: color .15s ease; }
a:hover { text-decoration: none; }