/* =====================================================
   PLANILLA - SISTEMA MODERNO
   Tema claro, responsive, profesional
   ===================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colores principales */
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --primary-bg: #eef2ff;

  /* Colores de acento */
  --success: #059669;
  --success-light: #d1fae5;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --info: #0284c7;
  --info-light: #e0f2fe;

  /* Neutros */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Superficies */
  --bg-body: #f0f2f5;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --bg-input: #ffffff;
  --bg-hover: #f9fafb;

  /* Bordes */
  --border-color: #e5e7eb;
  --border-radius: 10px;
  --border-radius-sm: 6px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* Transiciones */
  --transition: all 0.2s ease;
  --transition-slow: all 0.3s ease;
}

/* =====================================================
   BASE
   ===================================================== */
* { box-sizing: border-box; }
:root { color-scheme: light only !important; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
  background: var(--bg-body) !important;
  color: var(--gray-800) !important;
  color-scheme: light only !important;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { transition: var(--transition); }

/* =====================================================
   TIPOGRAFIA
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

.small-muted {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* =====================================================
   CARDS - Estilo moderno
   ===================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius-lg) !important;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  padding: 0.875rem 1.25rem;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.card-body {
  padding: 1.25rem;
}

/* Card header colores modernos */
.card-header.bg-primary { background: var(--primary) !important; }
.card-header.bg-success { background: var(--success) !important; }
.card-header.bg-warning { background: var(--warning) !important; color: #fff !important; }
.card-header.bg-danger { background: var(--danger) !important; }
.card-header.bg-info { background: var(--info) !important; }
.card-header.bg-dark { background: var(--gray-800) !important; color: #fff !important; }
.card-header.bg-dark h1, .card-header.bg-dark h2, .card-header.bg-dark h3,
.card-header.bg-dark h4, .card-header.bg-dark h5, .card-header.bg-dark h6,
.card-header.bg-primary h1, .card-header.bg-primary h2, .card-header.bg-primary h3,
.card-header.bg-primary h4, .card-header.bg-primary h5, .card-header.bg-primary h6 { color: #fff !important; }
.text-white h1, .text-white h2, .text-white h3,
.text-white h4, .text-white h5, .text-white h6 { color: inherit !important; }

/* =====================================================
   BOTONES - Modernos y suaves
   ===================================================== */
.btn {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  border-radius: var(--border-radius-sm) !important;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  transition: var(--transition);
  border: none;
  letter-spacing: 0.01em;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm) !important;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Colores de botones */
.btn-primary { background: var(--primary) !important; border-color: var(--primary) !important; }
.btn-primary:hover { background: var(--primary-dark) !important; border-color: var(--primary-dark) !important; }

.btn-success { background: var(--success) !important; border-color: var(--success) !important; }
.btn-success:hover { background: #047857 !important; }

.btn-danger { background: var(--danger) !important; border-color: var(--danger) !important; }
.btn-danger:hover { background: #b91c1c !important; }

.btn-warning { background: var(--warning) !important; border-color: var(--warning) !important; color: #fff !important; }
.btn-warning:hover { background: #b45309 !important; color: #fff !important; }

.btn-info { background: var(--info) !important; border-color: var(--info) !important; color: #fff !important; }
.btn-info:hover { background: #0369a1 !important; color: #fff !important; }

.btn-dark { background: var(--gray-800) !important; border-color: var(--gray-800) !important; }
.btn-dark:hover { background: var(--gray-900) !important; }

.btn-light { background: var(--gray-100) !important; border: 1px solid var(--border-color) !important; color: var(--gray-700) !important; }
.btn-light:hover { background: var(--gray-200) !important; }

/* Outline buttons */
.btn-outline-primary { color: var(--primary) !important; border: 1.5px solid var(--primary) !important; background: transparent !important; }
.btn-outline-primary:hover { background: var(--primary) !important; color: #fff !important; }

.btn-outline-success { color: var(--success) !important; border: 1.5px solid var(--success) !important; background: transparent !important; }
.btn-outline-success:hover { background: var(--success) !important; color: #fff !important; }

.btn-outline-danger { color: var(--danger) !important; border: 1.5px solid var(--danger) !important; background: transparent !important; }
.btn-outline-danger:hover { background: var(--danger) !important; color: #fff !important; }

.btn-outline-warning { color: var(--warning) !important; border: 1.5px solid var(--warning) !important; background: transparent !important; }
.btn-outline-warning:hover { background: var(--warning) !important; color: #fff !important; }

.btn-outline-info { color: var(--info) !important; border: 1.5px solid var(--info) !important; background: transparent !important; }
.btn-outline-info:hover { background: var(--info) !important; color: #fff !important; }

.btn-outline-secondary { color: var(--gray-600) !important; border: 1.5px solid var(--gray-300) !important; background: transparent !important; }
.btn-outline-secondary:hover { background: var(--gray-100) !important; color: var(--gray-800) !important; }

/* =====================================================
   FORMULARIOS
   ===================================================== */
.form-control, .form-select {
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 0.6rem 0.875rem;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: var(--bg-input);
  color: var(--gray-800);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-label {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--gray-700);
  margin-bottom: 0.375rem;
}

.input-group .form-control {
  border-radius: var(--border-radius-sm);
}

/* =====================================================
   TABLAS
   ===================================================== */
.table {
  font-size: 0.875rem;
  color: var(--gray-700);
}

.table thead th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border-color);
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

.table tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--gray-100);
}

.table tbody tr:hover {
  background: var(--gray-50);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: rgba(0,0,0,0.015);
}

.table-responsive {
  border-radius: var(--border-radius);
  overflow: hidden;
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
  font-weight: 500;
  font-size: 0.75rem;
  padding: 0.3em 0.65em;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.badge.bg-primary { background: var(--primary) !important; }
.badge.bg-success { background: var(--success) !important; }
.badge.bg-danger { background: var(--danger) !important; }
.badge.bg-warning { background: var(--warning) !important; color: #fff !important; }
.badge.bg-info { background: var(--info) !important; }
.badge.bg-secondary { background: var(--gray-500) !important; }

/* =====================================================
   ALERTAS
   ===================================================== */
.alert {
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid;
}

.alert-success { background: var(--success-light); border-left-color: var(--success); color: #065f46; }
.alert-danger { background: var(--danger-light); border-left-color: var(--danger); color: #991b1b; }
.alert-warning { background: var(--warning-light); border-left-color: var(--warning); color: #92400e; }
.alert-info { background: var(--info-light); border-left-color: var(--info); color: #075985; }
.alert-primary { background: var(--primary-bg); border-left-color: var(--primary); color: var(--primary-dark); }

/* =====================================================
   MODALS
   ===================================================== */
.modal-content {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* =====================================================
   NAVBAR / TOP BAR
   ===================================================== */
.navbar-modern {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  box-shadow: var(--shadow-xs);
}

/* =====================================================
   CONTENEDOR PRINCIPAL
   ===================================================== */
.container, .container-fluid {
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 576px) {
  .container, .container-fluid {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* =====================================================
   SECTION TITLES (usado en dashboard)
   ===================================================== */
.section-title {
  background: var(--gray-100);
  padding: 0.5rem 0.875rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
}

/* =====================================================
   LOGIN CARD
   ===================================================== */
.login-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl) !important;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.login-title {
  font-weight: 800 !important;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}

.btn-login {
  background: var(--primary) !important;
  border: none;
  border-radius: var(--border-radius) !important;
  padding: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-login:hover {
  background: var(--primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* =====================================================
   ERROR CARD
   ===================================================== */
.error-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl) !important;
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

/* =====================================================
   DROPDOWN
   ===================================================== */
.dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
}

.dropdown-item {
  border-radius: var(--border-radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.dropdown-item:hover {
  background: var(--gray-100);
}

/* =====================================================
   SCROLLBAR MODERNA
   ===================================================== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* =====================================================
   UTILIDADES CUSTOM
   ===================================================== */
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.rounded-modern { border-radius: var(--border-radius-lg); }

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-500) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-light { background-color: var(--gray-100) !important; }

/* Stat cards */
.stat-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Page header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-header h2, .page-header h3, .page-header h4 {
  margin-bottom: 0;
}

/* Breadcrumb style link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--gray-500);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.back-link:hover {
  color: var(--primary);
}

/* =====================================================
   SPINNER / LOADING
   ===================================================== */
.spinner-border {
  color: var(--primary);
}

/* =====================================================
   ACCORDION
   ===================================================== */
.accordion-button {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.accordion-button:not(.collapsed) {
  background: var(--primary-bg);
  color: var(--primary);
}

/* =====================================================
   TABS / NAV-PILLS
   ===================================================== */
.nav-pills .nav-link {
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--gray-600);
  padding: 0.5rem 1rem;
}

.nav-pills .nav-link.active {
  background: var(--primary);
  color: #fff;
}

.nav-tabs .nav-link {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--gray-500);
  border: none;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid transparent;
}

.nav-tabs .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: transparent;
}

/* =====================================================
   PROGRESS BAR
   ===================================================== */
.progress {
  border-radius: var(--border-radius);
  height: 0.5rem;
  background: var(--gray-200);
}

.progress-bar {
  background: var(--primary);
  border-radius: var(--border-radius);
}

/* =====================================================
   LIST GROUP
   ===================================================== */
.list-group-item {
  border-color: var(--border-color);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

.list-group-item:first-child { border-top-left-radius: var(--border-radius); border-top-right-radius: var(--border-radius); }
.list-group-item:last-child { border-bottom-left-radius: var(--border-radius); border-bottom-right-radius: var(--border-radius); }

/* =====================================================
   PAGINATION
   ===================================================== */
.page-link {
  border-color: var(--border-color);
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.875rem;
}

.page-link:hover {
  background: var(--gray-100);
  border-color: var(--border-color);
  color: var(--primary);
}

.page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
}

/* =====================================================
   TOAST
   ===================================================== */
.toast {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

/* =====================================================
   RESPONSIVE MEJORADO
   ===================================================== */

/* Tablas responsive - scroll horizontal en mobile */
@media (max-width: 768px) {
  .table-responsive {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
  }

  .table {
    font-size: 0.8rem;
  }

  .table thead th {
    font-size: 0.7rem;
    padding: 0.5rem 0.625rem;
  }

  .table tbody td {
    padding: 0.5rem 0.625rem;
  }

  /* Cards full width */
  .card {
    border-radius: var(--border-radius) !important;
  }

  .card-body {
    padding: 1rem;
  }

  .card-header {
    padding: 0.75rem 1rem;
  }

  /* Botones adaptados */
  .btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }

  .d-flex.gap-2.flex-wrap .btn {
    flex: 0 0 auto;
  }

  /* Headers */
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.1rem; }
  h4 { font-size: 1rem; }

  /* Container padding */
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  /* Modals */
  .modal-dialog {
    margin: 0.5rem;
  }

  .modal-content {
    border-radius: var(--border-radius);
  }

  /* Forms compactos */
  .form-control, .form-select {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
  }

  /* Stat cards en mobile */
  .stat-value {
    font-size: 1.375rem;
  }
}

/* Tablets */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    max-width: 100%;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

/* Fix para grids en mobile */
@media (max-width: 576px) {
  .row > [class*="col-md-"],
  .row > [class*="col-lg-"] {
    margin-bottom: 0.75rem;
  }

  .d-flex.justify-content-between {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .btn-group {
    flex-wrap: wrap;
  }
}

/* =====================================================
   ANIMACIONES SUTILES
   ===================================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card, .stat-card, .alert {
  animation: fadeIn 0.3s ease;
}

/* =====================================================
   SELECTION
   ===================================================== */
::selection {
  background: rgba(79, 70, 229, 0.15);
  color: var(--gray-900);
}

/* =====================================================
   PRINT
   ===================================================== */
@media print {
  body { background: #fff !important; }
  .card { box-shadow: none !important; border: 1px solid #ddd !important; }
  .btn { display: none !important; }
  .no-print { display: none !important; }
}