/* =============================================
   SISTEMA DE GESTION DE ACTIVIDADES - TEMA FLOWLU
   ============================================= */

/* ============================
   VARIABLES CSS
   ============================ */
:root {
  /* Colores del tema - Estilo Flowlu */
  --sidebar-bg: #1e2a3b;
  --sidebar-bg-hover: #2d3a4d;
  --sidebar-text: #8b9ab0;
  --sidebar-text-active: #ffffff;
  --sidebar-accent: #3b82f6;

  --header-bg: #1e2a3b;
  --header-text: #ffffff;

  --content-bg: #f5f7fa;
  --card-bg: #ffffff;

  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #06b6d4;
  --color-secondary: #6b7280;

  /* Tamaños */
  --sidebar-width: 220px;
  --header-height: 56px;
  --font-size-base: 14px;
}

/* ============================
   RESET Y BASE
   ============================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--content-bg);
  color: #1f2937;
  overflow-x: hidden;
}

/* ============================
   TOP HEADER - Estilo Flowlu
   ============================ */
.top-header {
  height: var(--header-height);
  background: var(--header-bg) !important;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 0 1rem;
}

.top-header .navbar-brand {
  font-weight: 600;
  font-size: 1.1rem;
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-weight: 600;
  color: white;
}

/* Header Info */
.header-date {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  padding: 6px 12px;
  border-radius: 8px;
}

.date-day {
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

.date-number {
  font-size: 18px;
  font-weight: 700;
  color: white;
}

.header-empresa {
  color: rgba(255,255,255,0.8);
  font-size: 13px;
}

/* Selector de empresa (solo Super Administrador).
   Hereda el look del texto plano para que la barra no cambie de aspecto
   segun quien este logueado; solo agrega el afordance de desplegable. */
.header-empresa-selector .header-empresa {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 4px 10px;
}

.header-empresa-selector .header-empresa:hover,
.header-empresa-selector .header-empresa:focus {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* Estado "estoy parado en una empresa que no es la mia".
   Se resalta a proposito: el Super Admin tiene que poder darse cuenta de un
   vistazo de que los datos que ve son de otra empresa. */
.header-empresa-selector .header-empresa-ajena {
  background: var(--color-warning);
  border-color: var(--color-warning);
  color: #1f2937;
  font-weight: 600;
}

.header-empresa-selector .header-empresa-ajena:hover,
.header-empresa-selector .header-empresa-ajena:focus {
  background: var(--color-warning);
  color: #1f2937;
}

/* Cada item del desplegable es un <form> POST con antiforgery, asi que hay que
   neutralizar el margen del form para que el item se vea como los demas. */
.header-empresa-selector .dropdown-menu form {
  margin: 0;
}

/* Header Icons */
.btn-icon {
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: rgba(255,255,255,0.2);
  color: white;
}

.btn-icon i {
  font-size: 18px;
}

/* User Dropdown */
.user-dropdown {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.user-avatar {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 14px;
}

.dropdown-header-custom {
  padding: 16px;
  background: #f9fafb;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar-lg {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  color: #1f2937;
  font-size: 14px;
}

.user-role {
  font-size: 12px;
  color: #6b7280;
}

/* ============================
   APP LAYOUT
   ============================ */
.app-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* ============================
   SIDEBAR OSCURO - Estilo Flowlu
   ============================ */
.sidebar-dark {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
}

.sidebar-content {
  padding: 16px 0;
}

/* Sidebar Navigation */
.sidebar-dark .nav-section-title {
  color: var(--sidebar-text);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px 20px 8px;
  margin: 0;
}

.sidebar-dark .nav-link {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  margin: 2px 0;
}

.sidebar-dark .nav-link i {
  font-size: 18px;
  margin-right: 12px;
  width: 20px;
  text-align: center;
}

.sidebar-dark .nav-link:hover {
  background: var(--sidebar-bg-hover);
  color: var(--sidebar-text-active);
}

.sidebar-dark .nav-link.active {
  background: var(--sidebar-bg-hover);
  color: var(--sidebar-text-active);
  border-left-color: var(--sidebar-accent);
}

/* Menu Section Headers */
.sidebar-dark .menu-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-dark .menu-section i.menu-icon {
  font-size: 18px;
  margin-right: 12px;
  width: 20px;
  text-align: center;
}

.sidebar-dark .menu-section:hover {
  background: var(--sidebar-bg-hover);
  color: var(--sidebar-text-active);
}

.sidebar-dark .menu-section i.bi-chevron-down {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.sidebar-dark .menu-section[aria-expanded="true"] i.bi-chevron-down {
  transform: rotate(180deg);
}

/* Submenu Items */
.sidebar-dark .submenu-item {
  display: flex;
  align-items: center;
  padding: 8px 20px 8px 52px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s ease;
}

.sidebar-dark .submenu-item i {
  font-size: 14px;
  margin-right: 10px;
}

.sidebar-dark .submenu-item:hover {
  color: var(--sidebar-text-active);
  background: var(--sidebar-bg-hover);
}

.sidebar-dark .submenu-item.active {
  color: var(--sidebar-accent);
}

/* Separador entre los grupos de trabajo diario y los administrativos */
.sidebar-dark .menu-sep {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px 6px;
  color: var(--sidebar-text);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.65;
}

.sidebar-dark .menu-sep::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

/* Sidebar Scrollbar */
.sidebar-dark::-webkit-scrollbar {
  width: 6px;
}

.sidebar-dark::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-dark::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 3px;
}

/* ============================
   MAIN CONTENT AREA
   ============================ */
.main-content-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  background: var(--content-bg);
  min-height: calc(100vh - var(--header-height));
}

.content-wrapper {
  padding: 24px;
}

/* ============================
   CARDS
   ============================ */
.card {
  background: var(--card-bg);
  border: none;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  margin-bottom: 24px;
}

.card-header {
  background: transparent;
  border-bottom: 1px solid #e5e7eb;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 15px;
}

.card-body {
  padding: 20px;
}

.card-header-create,
.card-header-edit {
  background: var(--color-primary);
  color: white;
  border-radius: 12px 12px 0 0;
}

.card-header-create h4,
.card-header-create h5,
.card-header-edit h4,
.card-header-edit h5 {
  color: white;
  margin: 0;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  font-weight: 500;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  transition: all 0.2s ease;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-primary {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: white !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--color-primary-dark) !important;
  border-color: var(--color-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4) !important;
}

.btn-outline-primary {
  color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  background-color: transparent !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: white !important;
}

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

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background-color: #059669 !important;
  border-color: #059669 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4) !important;
}

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

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active {
  background-color: #dc2626 !important;
  border-color: #dc2626 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4) !important;
}

.btn-warning {
  background-color: var(--color-warning) !important;
  border-color: var(--color-warning) !important;
  color: #1f2937 !important;
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
  background-color: #d97706 !important;
  border-color: #d97706 !important;
  color: #1f2937 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4) !important;
}

.btn-secondary {
  background-color: var(--color-secondary) !important;
  border-color: var(--color-secondary) !important;
  color: white !important;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: #4b5563 !important;
  border-color: #4b5563 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(107, 114, 128, 0.4) !important;
}

.btn-info {
  background-color: var(--color-info) !important;
  border-color: var(--color-info) !important;
  color: white !important;
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
  background-color: #0891b2 !important;
  border-color: #0891b2 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4) !important;
}

.btn-outline-success {
  color: var(--color-success) !important;
  border-color: var(--color-success) !important;
  background-color: transparent !important;
}

.btn-outline-success:hover,
.btn-outline-success:focus,
.btn-outline-success:active {
  background-color: var(--color-success) !important;
  border-color: var(--color-success) !important;
  color: white !important;
}

.btn-outline-danger {
  color: var(--color-danger) !important;
  border-color: var(--color-danger) !important;
  background-color: transparent !important;
}

.btn-outline-danger:hover,
.btn-outline-danger:focus,
.btn-outline-danger:active {
  background-color: var(--color-danger) !important;
  border-color: var(--color-danger) !important;
  color: white !important;
}

.btn-outline-warning {
  color: var(--color-warning) !important;
  border-color: var(--color-warning) !important;
  background-color: transparent !important;
}

.btn-outline-warning:hover,
.btn-outline-warning:focus,
.btn-outline-warning:active {
  background-color: var(--color-warning) !important;
  border-color: var(--color-warning) !important;
  color: #1f2937 !important;
}

.btn-outline-secondary {
  color: var(--color-secondary) !important;
  border-color: var(--color-secondary) !important;
  background-color: transparent !important;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-outline-secondary:active {
  background-color: var(--color-secondary) !important;
  border-color: var(--color-secondary) !important;
  color: white !important;
}

.btn-outline-info {
  color: var(--color-info) !important;
  border-color: var(--color-info) !important;
  background-color: transparent !important;
}

.btn-outline-info:hover,
.btn-outline-info:focus,
.btn-outline-info:active {
  background-color: var(--color-info) !important;
  border-color: var(--color-info) !important;
  color: white !important;
}

/* ============================
   FORMS
   ============================ */
.form-control,
.form-select {
  border-radius: 8px;
  border: 1px solid #d1d5db;
  padding: 10px 14px;
  font-size: 13px;
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-label {
  font-weight: 500;
  font-size: 13px;
  color: #374151;
  margin-bottom: 6px;
}

.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ============================
   TABLES
   ============================ */
.table {
  font-size: 13px;
}

.table thead th {
  background: #f9fafb;
  border-bottom: 2px solid #e5e7eb;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: #6b7280;
  padding: 12px 16px;
}

.table tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  border-bottom: 1px solid #f3f4f6;
}

.table tbody tr:hover {
  background: #f9fafb;
}

/* ============================
   BADGES
   ============================ */
.badge {
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
}

.badge.bg-success {
  background: rgba(16, 185, 129, 0.15) !important;
  color: #059669 !important;
}

.badge.bg-danger {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #dc2626 !important;
}

.badge.bg-warning {
  background: rgba(245, 158, 11, 0.15) !important;
  color: #d97706 !important;
}

.badge.bg-primary {
  background: rgba(59, 130, 246, 0.15) !important;
  color: var(--color-primary) !important;
}

/* ============================
   ALERTS
   ============================ */
.alert {
  border: none;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 13px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

/* ============================
   PAGE HEADERS
   ============================ */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: #1f2937;
  margin: 0;
}

/* ============================
   WELCOME CARD / DASHBOARD
   ============================ */
.welcome-card {
  background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--color-primary) 100%);
  color: white;
  border-radius: 12px;
  padding: 32px;
  border: none;
}

.stat-card {
  border-left: 4px solid var(--color-primary);
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-card .display-4 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Module Cards */
.module-card {
  border: none;
  transition: all 0.3s ease;
  overflow: hidden;
}

.module-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15) !important;
}

.module-card .card-header {
  border: none;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--color-primary) 100%) !important;
  color: white;
}

.module-card .card-header h5 {
  color: white;
  margin: 0;
}

/* ============================
   LINKS
   ============================ */
a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
}

/* ============================
   DROPDOWN MENUS
   ============================ */
.dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  padding: 8px;
}

.dropdown-item {
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
}

.dropdown-item:hover {
  background: #f3f4f6;
}

.dropdown-item.active,
.dropdown-item:active {
  background: var(--color-primary);
  color: white;
}

/* ============================
   MODALES
   ============================ */
.modal-content {
  border: none !important;
  border-radius: 12px !important;
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid #e5e7eb;
  padding: 16px 20px;
}

.modal-header.bg-primary,
.modal-header.modal-header-primary {
  background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--color-primary) 100%) !important;
  background-color: var(--color-primary) !important;
  color: white !important;
  border-bottom: none !important;
}

.modal-header.bg-success,
.modal-header.modal-header-success {
  background: linear-gradient(135deg, #047857 0%, var(--color-success) 100%) !important;
  background-color: var(--color-success) !important;
  color: white !important;
  border-bottom: none !important;
}

.modal-header.bg-danger,
.modal-header.modal-header-danger {
  background: linear-gradient(135deg, #991b1b 0%, var(--color-danger) 100%) !important;
  background-color: var(--color-danger) !important;
  color: white !important;
  border-bottom: none !important;
}

.modal-header.bg-warning,
.modal-header.modal-header-warning {
  background: linear-gradient(135deg, #b45309 0%, var(--color-warning) 100%) !important;
  background-color: var(--color-warning) !important;
  color: #1f2937 !important;
  border-bottom: none !important;
}

.modal-header.bg-info,
.modal-header.modal-header-info {
  background: linear-gradient(135deg, #0e7490 0%, var(--color-info) 100%) !important;
  background-color: var(--color-info) !important;
  color: white !important;
  border-bottom: none !important;
}

.modal-header .modal-title {
  font-weight: 600;
  font-size: 16px;
  color: inherit !important;
}

.modal-header .btn-close-white {
  filter: brightness(0) invert(1);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  border-top: 1px solid #e5e7eb;
  padding: 16px 20px;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 991.98px) {
  .sidebar-dark {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar-dark.show {
    transform: translateX(0);
  }

  .main-content-area {
    margin-left: 0;
  }
}

@media (max-width: 767.98px) {
  .content-wrapper {
    padding: 16px;
  }

  .page-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}

/* ============================
   UTILITIES
   ============================ */
.text-primary {
  color: var(--color-primary) !important;
}

.bg-primary {
  background-color: var(--color-primary) !important;
}

.border-primary {
  border-color: var(--color-primary) !important;
}

/* Table column widths */
.col-width-xs { width: 60px; }
.col-width-sm { width: 80px; }
.col-width-md { width: 100px; }
.col-width-lg { width: 150px; }

/* Scrollable containers */
.scrollable-md {
  max-height: 400px;
  overflow-y: auto;
}

/* Hidden forms */
.form-hidden {
  display: none;
}