/* 
* Creamos Tu Mascota - Estilos optimizados
* Paleta de colores: naranja #FF8C00, negro #000000 con acentos modernos
*/

:root {
  --primary: #FF8C00;
  --primary-light: #FFA53F;
  --primary-dark: #E07400;
  --primary-bg: #FFF8EC;
  --secondary: #2D3748;
  --secondary-light: #4A5568;
  --text-dark: #2D3748;
  --text-medium: #4A5568;
  --text-light: #000000; 
  --light-bg: #F7FAFC;
  --white: #FFFFFF;
  --card-border: #EDF2F7;
  --input-border: #E2E8F0;
  --success: #38A169;
  --error: #E53E3E;
  --warning: #ED8936;
  --info: #3182CE;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.03), 0 4px 6px rgba(0,0,0,0.05);
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --navbar-height: 60px;
  --sidebar-width: 250px;
}

/* Estilos generales */
body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark);
  background-color: var(--light-bg);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  color: var(--secondary);
  margin-top: 0;
  line-height: 1.3;
}

h1 { font-size: 2rem; margin-bottom: 1.25rem; }
h2 { font-size: 1.5rem; margin-bottom: 1rem; } /* Corregido el valor erróneo "a1.5rem" */
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
h5, h6 { font-size: 1rem; margin-bottom: 0.5rem; } /* Combinados valores similares */

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Contenedores */
.container, .container-fluid {
  width: 100%;
  padding: 0 1rem;
  margin: 0 auto;
}

.container {
  max-width: 1280px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 2px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn i {
  margin-right: 0.5rem;
}

.btn-primary, .btn-danger {
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover, .btn-primary:focus {
  color: var(--white);
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  color: var(--primary);
  background-color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--primary-bg);
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-tertiary {
  color: var(--text-medium);
  background-color: transparent;
  border-color: transparent;
}

.btn-tertiary:hover, .btn-tertiary:focus {
  color: var(--text-dark);
  background-color: var(--light-bg);
}

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

.btn-danger:hover, .btn-danger:focus {
  background-color: #C53030;
  border-color: #C53030;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
}

/* Dropdown general */
.dropdown {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  padding: 0 15px;
}

.dropdown-toggle i:last-child {
  font-size: 0.8em;
  transition: var(--transition);
}

.dropdown.show .dropdown-toggle i:last-child {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--text-dark);
  text-align: left;
  list-style: none;
  background-color: var(--white);
  background-clip: padding-box;
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.dropdown.show .dropdown-menu {
  display: block;
  animation: fadeInDown 0.2s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 0.4rem 1.25rem;
  clear: both;
  font-weight: 500;
  color: var(--text-medium);
  white-space: nowrap;
  background-color: transparent;
  border: 0;
  transition: var(--transition);
}

.dropdown-item i {
  margin-right: 0.75rem;
  width: 1.25rem;
  text-align: center;
}

.dropdown-item:hover, .dropdown-item:focus {
  color: var(--text-dark);
  text-decoration: none;
  background-color: var(--light-bg);
}

.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--card-border);
}

.dropdown-menu-right {
  right: 0;
  left: auto;
}

/* Alerts */
.alert {
  z-index: 1000;
  margin-top: calc(var(--navbar-height) + 5px);
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width) - 40px);
  position: fixed;
  top: 0;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  padding-top: 0;
  z-index: 900;
  transition: var(--transition);
  border-right: 1px solid var(--card-border);
  overflow-y: auto;
}

.sidebar-menu {
  list-style: none;
  padding: 1rem 0;
  margin: 0;
}

.sidebar-divider {
  height: 1px;
  margin: 0.75rem 0;
  overflow: hidden;
  background-color: var(--card-border);
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  color: var(--text-medium);
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-menu i {
  margin-right: 0.75rem;
  width: 1.25rem;
  font-size: 1rem;
  text-align: center;
  transition: var(--transition);
}

.sidebar-menu a:hover {
  background-color: var(--primary-bg);
  color: var(--primary);
}

.sidebar-menu a.active {
  background-color: var(--primary-bg);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}

.sidebar-menu a:hover i,
.sidebar-menu a.active i {
  color: var(--primary);
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 1.5rem;
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
  transition: var(--transition);
}

/* Dashboard Cards */
.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  padding: 1.25rem;
  text-align: center;
  border-radius: var(--border-radius);
  background-color: var(--white);
  transition: var(--transition);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-medium);
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  overflow: hidden;
  border: 1px solid var(--card-border);
  height: 100%;
}

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

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--white);
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-dark);
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--card-border);
  background-color: var(--light-bg);
}

/* Formularios */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--white);
  background-clip: padding-box;
  border: 2px solid var(--input-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-sizing: border-box;
}

.form-control:focus {
  border-color: var(--primary-light);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.15);
}

/* Footer */
.footer {
  background-color: var(--white);
  border-top: 1px solid var(--card-border);
  padding: 1.25rem 0;
  margin-top: 2rem;
  margin-left: var(--sidebar-width);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-content p {
  margin: 0;
  color: var(--text-medium);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-medium);
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.9rem;
}

/* Responsive */
.navbar-toggle {
  border: none;
  color: var(--text-medium);
  font-size: 1.25rem;
  padding: 0.5rem;
  cursor: pointer;
  display: none;
}

.navbar-toggle:focus {
  outline: none;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1020;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.sidebar-overlay.show {
  display: block;
  opacity: 1;
}

/* Media Queries */
@media (min-width: 992px) {
  .sidebar {
    position: fixed;
    left: 0;
  }
  
  .navbar-toggle {
    display: none;
  }
}

@media (max-width: 991px) {
  .sidebar {
    left: -260px;
    width: 260px;
    z-index: 1030;
    box-shadow: none;
  }
  
  .sidebar.show {
    left: 0;
    box-shadow: 3px 0 10px rgba(0, 0, 0, 0.1);
  }
  
  .main-content,
  .footer {
    margin-left: 0;
    width: 100%;
  }
  
  .navbar-toggle {
    display: block !important;
  }
  
  .alert {
    margin-left: 0;
    width: calc(100% - 30px);
    left: 15px;
  }
}

@media (max-width: 767px) {
  .navbar-menu {
    display: none;
  }
  
  .container, 
  .container-fluid {
    padding: 0 0.75rem;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .form-control {
    font-size: 16px; /* Previene el zoom en iOS */
  }
  
  .alert-container {
    width: calc(100% - 40px);
    max-width: 350px;
  }
}