/* =========================
   VARIABLES Y COLORES
   ========================= */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --dark: #1e3a8a;
  --gray-900: #1f2937;
  --gray-800: #2d3748;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --surface: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  background: #f8fafc;
  min-height: 100vh;
  color: var(--gray-900);
}

/* =========================
   SIDEBAR COLOR 
   ========================= */
.sidebar {
  width: 260px;
  background: #ffffff;
  color: var(--gray-700);
  padding: 0;
  border-right: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  height: 100vh;
  transition: var(--transition);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:700;
      color:var(--accent-700);
      font-size:18px;
    }

/* Brand icon inside sidebar */
.logo .brand-icon{ display:flex; align-items:center; justify-content:center; width:36px; height:36px; }
.logo .brand-icon svg{ display:block; width:36px; height:36px; }
.sr-only{ position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }

.logo i {
  font-size: 24px;
  background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Avatar en sidebar */
.sidebar-header .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg,#60a5fa,#2563eb);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  border: 2px solid var(--gray-200);
  position: relative;
}

.sidebar-header .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Badge/role over avatar */
.sidebar-header .avatar-badge {
  position: absolute;
  right: -6px;
  bottom: -6px;
  background: var(--primary);
  color: #fff;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  border: 2px solid rgba(255,255,255,0.9);
  box-shadow: 0 6px 12px rgba(26,115,232,0.18);
  min-width: 38px;
  text-align: center;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gray-700);
  font-size: 18px;
  cursor: pointer;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
}

.sidebar-nav ul {
  list-style: none;
  padding: 20px 0;
}

.sidebar-nav ul li {
  margin: 0;
}
/* COLOR ICONOS */
.sidebar-nav ul li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 700;
}

.sidebar-nav ul li a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.sidebar-nav ul li a:hover,
.sidebar-nav ul li.active a {
  color: var(--primary);
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding-left: 17px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--gray-600);
  background: var(--gray-50);
  margin-top: auto;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  overflow: hidden;
}

.user-info span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.btn-logout {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 5px;
  transition: color 0.3s;
}

.btn-logout:hover {
  color: #ff6b6b;
}

/* Botón de colapsar sidebar */
.collapse-btn {
  background: transparent;
  border: none;
  border-top: 1px solid var(--gray-200);
  color: var(--gray-400);
  padding: 15px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.collapse-btn:hover {
  background: var(--gray-100);
  color: var(--primary);
}

/* Estilos Sidebar Colapsado */
.sidebar.collapsed {
  width: 80px;
}

.sidebar.collapsed .logo span,
.sidebar.collapsed .user-info,
.sidebar.collapsed .sidebar-toggle {
  display: none;
}

.sidebar.collapsed .logo {
  justify-content: center;
}

.sidebar.collapsed .sidebar-nav ul li a {
  font-size: 0; /* Oculta el texto */
  justify-content: center;
  padding: 15px;
}

.sidebar.collapsed .sidebar-nav ul li a i {
  font-size: 20px;
  margin: 0;
  width: auto;
}

.sidebar.collapsed .sidebar-footer {
  flex-direction: column;
  padding: 10px;
  gap: 10px;
}

.sidebar.collapsed .collapse-btn i {
  transform: rotate(180deg);
}

/* Overlay para móvil */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* =========================
   MAIN CONTENT
   ========================= */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.header {
  background: var(--surface);
  padding: 24px 32px;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.header-start {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-content h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.header-content p {
  font-size: 14px;
  color: var(--gray-500);
}

.header-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.search-box {
  padding: 10px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 14px;
  width: 250px;
  transition: var(--transition);
  background: var(--gray-50);
}

.search-box:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box::placeholder {
  color: var(--gray-400);
}

/* Botones */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-icon {
  background: var(--gray-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-600);
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--gray-200);
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--gray-700);
  cursor: pointer;
  padding: 5px;
}

/* =========================
   BOARD Y COLUMNAS
   ========================= */
.board {
  display: flex;
  gap: 24px;
  padding: 24px 32px;
  overflow-x: auto;
  flex: 1;
  align-items: flex-start;
}

.board::-webkit-scrollbar {
  height: 8px;
}

.board::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 10px;
}

.board::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 10px;
}

.board::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

.column {
  background: var(--surface);
  border-radius: 12px;
  padding: 0;
  width: 340px;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

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

.column-header {
  padding: 16px 20px;
  border-bottom: 2px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to right, var(--gray-50), var(--surface));
}

.column-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.count {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.column-actions {
  display: flex;
  gap: 8px;
}

.cards-container {
  padding: 12px;
  overflow-y: auto;
  flex: 1;
}

.cards-container::-webkit-scrollbar {
  width: 6px;
}

.cards-container::-webkit-scrollbar-track {
  background: transparent;
}

.cards-container::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

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

/* =========================
   CARDS
   ========================= */
.card {
  background: linear-gradient(to bottom, var(--gray-50), var(--surface));
  padding: 16px;
  border-radius: 10px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
  cursor: grab;
  user-select: none;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.card:active {
  cursor: grabbing;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 8px;
  gap: 8px;
}

.card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.priority {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.priority.high {
  background: #fee2e2;
  color: #991b1b;
}

.priority.medium {
  background: #fef3c7;
  color: #92400e;
}

.priority.low {
  background: #dbeafe;
  color: #0c4a6e;
}

.card-description {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-100);
}

.amount {
  font-weight: 700;
  color: var(--secondary);
  font-size: 16px;
}

.tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-light) 0%, #c7d2fe 100%);
  color: var(--primary-dark);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-footer small {
  color: var(--gray-400);
  font-size: 11px;
  font-weight: 500;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 1024px) {
  .sidebar {
    width: 220px;
  }
  
  .column {
    width: 300px;
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .header-actions {
    width: 100%;
    flex-direction: column-reverse;
  }
  
  .search-box {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    height: 100%;
    transition: left 0.3s ease;
    z-index: 1000;
  }

  .mobile-menu-btn {
    display: block;
  }
  
  .sidebar.active {
    left: 0;
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .main {
    width: 100%;
  }
  
  .header {
    padding: 16px;
    gap: 12px;
  }
  
  .header-content h1 {
    font-size: 24px;
  }
  
  .board {
    padding: 16px;
    gap: 16px;
  }
  
  .column {
    width: 280px;
  }
  
  .search-box {
    width: 100%;
    padding: 8px 12px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: 100%;
    left: -100%;
  }
  
  .header {
    padding: 12px;
  }
  
  .header-content h1 {
    font-size: 20px;
  }
  
  .header-content p {
    display: none;
  }
  
  .header-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .board {
    padding: 12px 8px;
    gap: 12px;
  }
  
  .column {
    width: 250px;
  }
}

/* =========================
   MODAL Y TOASTS GLOBALES
   ========================= */

/* Modal Styles */
.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5); 
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    background-color: #fefefe;
    margin: 15% auto; 
    padding: 0;
    border: 1px solid #888;
    width: 90%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f9fafb;
    border-radius: 12px 12px 0 0;
}

.modal-header h2 { margin: 0; font-size: 1.25rem; color: #1f2937; }

.close-modal {
    color: #9ca3af;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close-modal:hover { color: #1f2937; }

.modal-body { padding: 24px; font-size: 1.1rem; color: #374151; text-align: center; }

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 0 0 12px 12px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Toast Styles */
#toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 3000; display: flex; flex-direction: column; gap: 10px; }
.toast { background: white; padding: 12px 20px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: flex; align-items: center; gap: 10px; transform: translateX(120%); transition: transform 0.3s ease; border-left: 4px solid #3b82f6; }
.toast.show { transform: translateX(0); }
.toast-success { border-color: #10b981; }
.toast-warning { border-color: #f59e0b; }
.toast-error { border-color: #ef4444; }
.toast-info { border-color: #3b82f6; }

/* Dashboard Charts Grid */
.dashboard-charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* 2 partes para barras, 1 parte para circular */
    gap: 24px;
}
@media (max-width: 1024px) {
    .dashboard-charts-grid { grid-template-columns: 1fr; }
}