/* ===========================================
   ESTILOS MODERNOS PARA LOGIN
   =========================================== */

/* Variables CSS para temas dinámicos */
:root {
  /* Tema claro por defecto */
  --login-bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --login-bg-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --login-card-bg: rgba(255, 255, 255, 0.95);
  --login-card-border: rgba(102, 126, 234, 0.3);
  --login-text-primary: #1a202c;
  --login-text-secondary: #4a5568;
  --login-border-color: rgba(255, 255, 255, 0.2);
  --login-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  --login-shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.15);
  --login-input-bg: rgba(255, 255, 255, 0.9);
  --login-input-border: rgba(0, 0, 0, 0.1);
  --login-btn-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --login-btn-secondary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Tema oscuro */
[data-theme="dark"] {
  --login-bg-primary: linear-gradient(135deg, #0c4a6e 0%, #1e3a8a 100%);
  --login-bg-secondary: linear-gradient(135deg, #065f46 0%, #047857 100%);
  --login-card-bg: rgba(30, 41, 59, 0.95);
  --login-text-primary: #f1f5f9;
  --login-text-secondary: #94a3b8;
  --login-border-color: rgba(255, 255, 255, 0.1);
  --login-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  --login-shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.4);
  --login-input-bg: rgba(51, 65, 85, 0.8);
  --login-input-border: rgba(255, 255, 255, 0.1);
  --login-btn-primary: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  --login-btn-secondary: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

/* Colores dinámicos basados en el tema seleccionado */
[data-color="blue"] {
  --login-bg-primary: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
  --login-btn-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --login-btn-secondary: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --login-card-border: rgba(59, 130, 246, 0.3);
}

[data-color="green"] {
  --login-bg-primary: linear-gradient(135deg, #10b981 0%, #047857 100%);
  --login-btn-primary: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --login-btn-secondary: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  --login-card-border: rgba(16, 185, 129, 0.3);
}

[data-color="purple"] {
  --login-bg-primary: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  --login-btn-primary: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  --login-btn-secondary: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
  --login-card-border: rgba(139, 92, 246, 0.3);
}

[data-color="pink"] {
  --login-bg-primary: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
  --login-btn-primary: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  --login-btn-secondary: linear-gradient(135deg, #f472b6 0%, #ec4899 100%);
  --login-card-border: rgba(236, 72, 153, 0.3);
}

[data-color="orange"] {
  --login-bg-primary: linear-gradient(135deg, #f97316 0%, #c2410c 100%);
  --login-btn-primary: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  --login-btn-secondary: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
  --login-card-border: rgba(249, 115, 22, 0.3);
}

[data-color="red"] {
  --login-bg-primary: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  --login-btn-primary: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --login-btn-secondary: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
  --login-card-border: rgba(239, 68, 68, 0.3);
}

[data-color="teal"] {
  --login-bg-primary: linear-gradient(135deg, #14b8a6 0%, #0f766e 100%);
  --login-btn-primary: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
  --login-btn-secondary: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 100%);
  --login-card-border: rgba(20, 184, 166, 0.3);
}

[data-color="indigo"] {
  --login-bg-primary: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
  --login-btn-primary: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --login-btn-secondary: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
  --login-card-border: rgba(99, 102, 241, 0.3);
}

/* Fondo animado del body */
body {
  background: var(--login-bg-primary);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Animación de fondo */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Partículas flotantes de fondo */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 200, 255, 0.3) 0%, transparent 50%);
  animation: floatingParticles 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes floatingParticles {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(120deg); }
  66% { transform: translateY(20px) rotate(240deg); }
}

/* Contenedor principal */
.page-header {
  position: relative;
  z-index: 1;
}

/* Modernización de las tarjetas de login */
.card-plain {
  background: var(--login-card-bg) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid var(--login-card-border) !important;
  border-radius: 20px !important;
  box-shadow: var(--login-shadow) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card-plain::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s;
}

.card-plain:hover::before {
  left: 100%;
}

.card-plain:hover {
  transform: translateY(-5px);
  box-shadow: var(--login-shadow-hover) !important;
}

/* Eliminar bordes personalizados antiguos */
.custom-border,
.custom-borderr {
  border: none !important;
  box-shadow: none !important;
  padding: 2rem !important;
  background: transparent !important;
}

/* Títulos modernos */
.card-plain h3 {
  font-weight: 700 !important;
  font-size: 2rem !important;
  margin-bottom: 2rem !important;
  text-align: center !important;
  position: relative;
  background: var(--login-btn-primary) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.card-plain h3::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--login-btn-primary);
  border-radius: 2px;
}

/* Labels modernos con iconos */
.card-plain label {
  color: var(--login-text-primary) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  margin-bottom: 0.5rem !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-plain label i {
  color: var(--login-btn-primary) !important;
  font-size: 1.1rem !important;
  transition: all 0.3s ease;
}

/* Inputs independientes modernos */
.form-control {
  background: var(--login-input-bg) !important;
  border: 1px solid var(--login-input-border) !important;
  border-radius: 12px !important;
  padding: 0.75rem 1rem !important;
  color: var(--login-text-primary) !important;
  font-size: 1rem !important;
  transition: all 0.3s ease;
  margin-bottom: 1.5rem !important;
}

.form-control:focus {
  background: var(--login-input-bg) !important;
  border-color: var(--login-btn-primary) !important;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25) !important;
  transform: translateY(-2px);
  outline: none !important;
}

/* Placeholders */
.form-control::placeholder {
  color: var(--login-text-primary) !important;
  opacity: 0.6;
  font-weight: 500;
}

/* Mejorar contraste del texto en inputs */
.form-control {
  font-weight: 500 !important;
}

.form-control:focus::placeholder {
  opacity: 0.5;
}

/* Texto seleccionado en inputs */
.form-control::selection {
  background: var(--login-btn-primary) !important;
  color: white !important;
}

.form-control::-moz-selection {
  background: var(--login-btn-primary) !important;
  color: white !important;
}

/* Iconos en inputs */
.input-group-text i {
  font-size: 1.1rem !important;
  transition: all 0.3s ease;
  color: var(--login-text-primary) !important;
}

.input-group:focus-within .input-group-text i {
  transform: scale(1.1);
  filter: brightness(1.2);
  color: var(--login-btn-primary) !important;
}

/* Iconos específicos por tema - forzar colores dinámicos */
.input-group-text i.text-info,
.input-group-text i.text-success,
.input-group-text i.bi-person-vcard-fill,
.input-group-text i.bi-person,
.input-group-text i.bi-lock {
  color: var(--login-text-primary) !important;
}

.input-group:focus-within .input-group-text i.text-info,
.input-group:focus-within .input-group-text i.text-success,
.input-group:focus-within .input-group-text i.bi-person-vcard-fill,
.input-group:focus-within .input-group-text i.bi-person,
.input-group:focus-within .input-group-text i.bi-lock {
  color: var(--login-btn-primary) !important;
}

/* Forzar override de colores Bootstrap */
.text-info,
.text-success {
  color: var(--login-text-primary) !important;
}

.input-group:focus-within .text-info,
.input-group:focus-within .text-success {
  color: var(--login-btn-primary) !important;
}

/* Botones modernos */
.btn {
  border-radius: 12px !important;
  padding: 0.75rem 2rem !important;
  font-weight: 600 !important;
  font-size: 1rem !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative;
  overflow: hidden;
  border: none !important;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2) !important;
}

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

/* Botón principal (RIF) */
.bg-gradient-info {
  background: var(--login-btn-primary) !important;
  color: white !important;
}

/* Botón secundario (Usuario/Contraseña) */
.bg-gradient-success {
  background: var(--login-btn-secondary) !important;
  color: white !important;
}

/* Enlace de volver */
.card-plain a {
  text-decoration: none !important;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
}

.card-plain a:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: translateX(-5px);
}

/* Logo container */
.card-header {
  background: transparent !important;
  border: none !important;
  padding: 1.5rem 0 0 0 !important;
}

.card-header img {
  max-width: 150px;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  transition: all 0.3s ease;
}

.card-header img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
}

/* Footer moderno */
.footer {
  background: transparent !important;
  border-top: 1px solid var(--login-border-color);
  margin-top: 1rem;
}

.footer span {
  color: var(--login-text-secondary) !important;
  font-size: 0.85rem !important;
}

/* Animaciones de entrada */
.animate__bounceInDown {
  animation-duration: 0.8s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading mejorado */
#divLoading {
  background: var(--login-bg-primary);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

#divLoading div {
  background: var(--login-card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--login-shadow);
}

#divLoading h6 {
  color: var(--login-text-primary) !important;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .card-plain {
    margin: 1rem !important;
    border-radius: 16px !important;
  }
  
  .card-plain h3 {
    font-size: 1.5rem !important;
  }
  
  .custom-border,
  .custom-borderr {
    padding: 1.5rem !important;
  }
}

/* Efectos especiales para diferentes estados */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:disabled:hover {
  transform: none !important;
  box-shadow: none !important;
}

/* Mejoras para accesibilidad */
.form-control:focus,
.btn:focus {
  outline: 2px solid var(--login-btn-primary);
  outline-offset: 2px;
}

/* Transiciones suaves para cambios de tema */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}