/* ========================================
   MONEYFLOW - TEMA MINIMALISTA
   ======================================== */

/* Variables de color */
:root {
  --primary-color: #2d3748;
  --secondary-color: #4a5568;
  --accent-color: #3182ce;
  --success-color: #38a169;
  --danger-color: #e53e3e;
  --warning-color: #dd6b20;
  --info-color: #3182ce;
  --light-bg: #f7fafc;
  --medium-bg: #edf2f7;
  --dark-bg: #2d3748;
  --border-color: #e2e8f0;
  --text-primary: #1a202c;
  --text-secondary: #718096;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.1);
  --card-hover-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
  background-color: var(--light-bg);
  color: var(--text-primary);
  min-height: 100vh;
  padding-bottom: 60px;
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background-color: white !important;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
  letter-spacing: -0.5px;
}

.navbar-brand:hover {
  color: var(--accent-color) !important;
}

.navbar-brand i {
  color: var(--accent-color);
}

.nav-link {
  font-weight: 500;
  margin: 0 0.25rem;
  transition: color 0.2s ease;
  color: var(--text-secondary) !important;
  border-radius: 6px;
  padding: 0.5rem 1rem !important;
}

.nav-link:hover {
  color: var(--accent-color) !important;
  background-color: var(--light-bg);
}

.nav-link i {
  opacity: 0.7;
}

.nav-link:hover i {
  opacity: 1;
}

/* Dropdown */
.navbar-nav .dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin-top: 0.5rem;
  padding: 0.5rem;
  min-width: 200px;
}

.dropdown-item {
  padding: 0.6rem 1rem;
  transition: all 0.2s ease;
  font-weight: 500;
  border-radius: 6px;
  color: var(--text-primary);
}

.dropdown-item:hover {
  background-color: var(--light-bg);
  color: var(--accent-color);
}

.dropdown-item i {
  width: 20px;
  text-align: center;
  opacity: 0.7;
}

.dropdown-item.text-danger {
  color: var(--danger-color) !important;
}

.dropdown-item.text-danger:hover {
  background-color: rgba(229, 62, 62, 0.1);
}

.dropdown-divider {
  margin: 0.5rem 0;
  border-top-color: var(--border-color);
}

.dropdown-menu form {
  margin: 0;
  padding: 0;
}

.dropdown-menu form button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-item.dropdown .nav-link {
  display: flex;
  align-items: center;
}

/* Container */
.container {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

/* Cards */
.card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  transition: all 0.2s ease;
  background: white;
  overflow: hidden;
}

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

.card-header {
  background-color: white;
  color: var(--primary-color);
  font-weight: 600;
  padding: 1rem 1.5rem;
  border-bottom: 2px solid var(--light-bg);
}

.card-body {
  padding: 1.5rem;
}

.card.border-info {
  border-left: 3px solid var(--info-color) !important;
}

.card.border-warning {
  border-left: 3px solid var(--warning-color) !important;
}

/* Tablas */
.table {
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.table thead th {
  background-color: var(--light-bg);
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
  padding: 0.875rem 1rem;
}

.table tbody tr {
  transition: background-color 0.2s ease;
  border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
  background-color: var(--light-bg);
}

.table td, .table th {
  vertical-align: middle;
  padding: 1rem;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(247, 250, 252, 0.5);
}

/* Botones */
.btn {
  border-radius: 6px;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.btn-primary {
  background-color: var(--accent-color);
  color: white;
}

.btn-primary:hover {
  background-color: #2c5282;
}

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

.btn-success:hover {
  background-color: #2f855a;
}

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

.btn-danger:hover {
  background-color: #c53030;
}

.btn-warning {
  background-color: var(--warning-color);
  color: white;
}

.btn-warning:hover {
  background-color: #c05621;
}

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

.btn-info:hover {
  background-color: #2c5282;
}

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

.btn-outline-primary:hover {
  background-color: var(--accent-color);
  color: white;
}

.btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
  background: white;
}

.btn-outline-secondary:hover {
  background-color: var(--light-bg);
  color: var(--text-primary);
  border-color: var(--secondary-color);
}

.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

/* Badges */
.badge {
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
}

/* Formularios */
.form-control, .form-select {
  border-radius: 6px;
  border: 1px solid var(--border-color);
  padding: 0.625rem 0.875rem;
  transition: all 0.2s ease;
  background-color: white;
  color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
  background-color: white;
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  font-size: 0.875rem;
}

.form-label i {
  margin-right: 0.5rem;
  color: var(--text-secondary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Input group */
.input-group {
  border-radius: 6px;
}

.input-group-text {
  background-color: var(--light-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-right: none;
  font-weight: 500;
}

.input-group .form-control {
  border-left: none;
}

.input-group:focus-within .input-group-text {
  border-color: var(--accent-color);
}

/* Form check */
.form-check {
  padding: 0.875rem 1rem;
  background: var(--light-bg);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.form-check:hover {
  background: var(--medium-bg);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  cursor: pointer;
  border: 2px solid var(--border-color);
}

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

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.1);
}

.form-check-label {
  margin-left: 0.5rem;
  font-weight: 500;
  cursor: pointer;
}

.form-switch .form-check-input {
  width: 2.5rem;
  height: 1.25rem;
}

small.text-muted {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Alertas */
.alert {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 1rem 1.25rem;
  font-weight: 500;
}

.alert-success {
  background-color: rgba(56, 161, 105, 0.1);
  border-color: var(--success-color);
  color: #22543d;
}

.alert-danger {
  background-color: rgba(229, 62, 62, 0.1);
  border-color: var(--danger-color);
  color: #742a2a;
}

.alert-info {
  background-color: rgba(49, 130, 206, 0.1);
  border-color: var(--info-color);
  color: #2c5282;
}

.alert-warning {
  background-color: rgba(221, 107, 32, 0.1);
  border-color: var(--warning-color);
  color: #7c2d12;
}

/* Títulos */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 2rem;
}

h1 i {
  color: var(--accent-color);
}

/* Stat cards */
.stat-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-color);
}

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

.stat-card h3 {
  font-size: 1.875rem;
  margin-bottom: 0.25rem;
}

.stat-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0;
  font-weight: 600;
}

/* Colores */
.text-income {
  color: var(--success-color);
  font-weight: 600;
}

.text-expense {
  color: var(--danger-color);
  font-weight: 600;
}

.text-transfer {
  color: var(--info-color);
  font-weight: 600;
}

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

.text-muted {
  color: var(--text-secondary) !important;
}

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

/* HR */
hr {
  border: none;
  height: 1px;
  background-color: var(--border-color);
  margin: 1.5rem 0;
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
    margin-top: 1rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  .table {
    font-size: 0.875rem;
  }
  
  .stat-card h3 {
    font-size: 1.5rem;
  }
}

/* Loading */
.spinner-border {
  color: var(--accent-color);
}

/* Paginación */
.pagination {
  gap: 0.25rem;
}

.page-link {
  border-radius: 6px;
  border: 1px solid var(--border-color);
  margin: 0;
  padding: 0.5rem 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
  background-color: white;
}

.page-link:hover {
  background-color: var(--light-bg);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

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

/* Footer */
footer {
  background-color: white;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 1.5rem 0;
  margin-top: 3rem;
}