/* 
   Apple Liquid Glass Design - iOS 26 Style
   Inspirado en el diseño oficial de Apple
*/

/* === VARIABLES LIQUID GLASS === */
:root {
  --glass-primary: rgba(255, 255, 255, 0.12);
  --glass-secondary: rgba(255, 255, 255, 0.08);
  --glass-edge: rgba(255, 255, 255, 0.25);
  --glass-shadow: rgba(0, 0, 0, 0.15);
  --glass-shadow-deep: rgba(0, 0, 0, 0.25);
  --glass-reflection: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, transparent 50%);
  --glass-specular: linear-gradient(45deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.1) 100%);
  --glass-blur: blur(15px);
  --glass-brightness: brightness(1.1);
  --glass-saturate: saturate(1.2);
}

/* === FONDO GENERAL PARA PROFUNDIDAD === */
body {
  background: linear-gradient(135deg, 
    rgba(108, 99, 255, 0.1) 0%,
    rgba(48, 207, 208, 0.1) 50%,
    rgba(141, 71, 207, 0.1) 100%),
    radial-gradient(circle at 20% 30%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 138, 101, 0.2) 0%, transparent 50%),
    #f5f7fa;
  background-attachment: fixed;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

h1 {
  color: rgb(0, 162, 225);
  margin-top: 30px !important;
  margin-bottom: 20px !important;
}

/* === TARJETAS LIQUID GLASS === */
.card {
  position: relative;
  background: var(--glass-primary) !important;
  border: 1px solid var(--glass-edge) !important;
  border-radius: 20px !important;
  padding: 10px 0px 20px 0px !important;
  margin: 20px auto !important;
  max-width: 700px !important;
  
  /* Sombras dinámicas */
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
  
  /* Transiciones suaves */
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* === EFECTO PSEUDO-ELEMENT PARA BLUR BACKDROP === */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20px;
  background: var(--glass-reflection);
  z-index: -1;
  filter: var(--glass-blur) var(--glass-brightness) var(--glass-saturate);
  opacity: 0.8;
  pointer-events: none;
}

/* === REFLEJO ESPECULAR SUPERIOR === */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40%;
  border-radius: 20px 20px 0 0;
  background: var(--glass-specular);
  z-index: 1;
  opacity: 0.3;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* === HOVER EFFECTS ESTILO APPLE === */
.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 16px 64px var(--glass-shadow-deep),
    0 0 0 1px rgba(255, 255, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

.card:hover::after {
  opacity: 0.5;
}

/* === HEADERS CON LIQUID GLASS === */
.card h3 {
  font-weight: 600 !important;
  font-size: 1.4rem !important;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3) !important;
  margin-bottom: 20px !important;
  position: relative;
  z-index: 2;
}

/* === UPLOAD CARD ESPECIAL === */
.upload-card {
  position: relative;
  background: var(--glass-secondary) !important;
  border: 2px dashed var(--glass-edge) !important;
  border-radius: 16px !important;
  padding: 40px 20px !important;
  text-align: center !important;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}

.upload-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
  z-index: -1;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.upload-card:hover::before {
  opacity: 1;
}

.upload-card:hover {
  transform: scale(1.05);
  border-color: rgba(0, 162, 225, 0.4);
  background: rgba(0, 162, 225, 0.1) !important;
}

/* === UPLOAD ICON LIQUID === */
.upload-icon {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s ease;
}

.upload-card:hover .upload-icon {
  transform: scale(1.1) translateY(-2px);
}

/* === BOTONES LIQUID GLASS === */
.btn {
  position: relative !important;
  background: var(--glass-primary) !important;
  border: 1px solid var(--glass-edge) !important;
  border-radius: 12px !important;
  padding: 8px 16px !important;
  font-weight: 500 !important;
  backdrop-filter: var(--glass-blur) !important;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
  color: rgba(0, 0, 0, 0.8) !important;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3) !important;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn:hover::before {
  opacity: 1;
}

.btn:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
  border-color: var(--glass-edge) !important;
  background: rgba(255, 255, 255, 0.2) !important;
}

/* === CHECKBOXES Y DROPDOWNS LIQUID === */
.form-check-input {
  border-radius: 6px !important;
  border: 1px solid var(--glass-edge) !important;
  background: var(--glass-secondary) !important;
  backdrop-filter: var(--glass-blur) !important;
}

.form-select {
  background: var(--glass-primary) !important;
  border: 1px solid var(--glass-edge) !important;
  border-radius: 10px !important;
  backdrop-filter: var(--glass-blur) !important;
  color: rgba(0, 0, 0, 0.8) !important;
}

/* === CONTAINERS CON SCROLL LIQUID === */
#evidence-checkbox-container,
#target-checkbox-container {
  background: var(--glass-secondary) !important;
  border: 1px solid var(--glass-edge) !important;
  border-radius: 12px !important;
  backdrop-filter: var(--glass-blur) !important;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

/* === SCROLLBAR LIQUID GLASS === */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--glass-secondary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--glass-edge);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
  background-clip: content-box;
}

/* === INPUTS LIQUID === */
.form-control {
  background: var(--glass-primary) !important;
  border: 1px solid var(--glass-edge) !important;
  border-radius: 10px !important;
  backdrop-filter: var(--glass-blur) !important;
  color: rgba(0, 0, 0, 0.8) !important;
  transition: all 0.3s ease !important;
}

.form-control:focus {
  border-color: rgba(0, 162, 225, 0.5) !important;
  box-shadow: 0 0 0 0.2rem rgba(0, 162, 225, 0.15) !important;
  background: rgba(255, 255, 255, 0.15) !important;
}

/* === NOTIFICACIONES LIQUID === */
#notification-container {
  backdrop-filter: var(--glass-blur) !important;
  border-radius: 16px !important;
  border: 1px solid var(--glass-edge) !important;
  background: var(--glass-primary) !important;
  box-shadow: 0 8px 32px var(--glass-shadow) !important;
}

/* === RESPONSIVE OPTIMIZATIONS === */
@media (max-width: 768px) {
  .card {
    margin: 15px auto !important;
    padding: 10px 0px 16px 0px !important;
    border-radius: 16px !important;
    max-width: 95% !important;
  }
  
  .card:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  :root {
    --glass-blur: blur(10px);
  }
}

/* === ANIMACIONES ADICIONALES === */
@keyframes glassShimmer {
  0% { opacity: 0.3; }
  50% { opacity: 0.6; }
  100% { opacity: 0.3; }
}

.card::after {
  animation: glassShimmer 3s ease-in-out infinite;
}

/* === FUTURA COMPATIBILIDAD === */
@supports (backdrop-filter: blur(10px)) {
  .card::before {
    backdrop-filter: var(--glass-blur) var(--glass-brightness) var(--glass-saturate);
    filter: none;
  }
}

/* === BOTONES PEQUEÑOS LIQUID GLASS === */
.btn-outline-primary.btn-sm,
.btn-outline-secondary.btn-sm {
  position: relative;
  background: var(--glass-primary);
  border: 1px solid var(--glass-edge);
  border-radius: 10px;
  padding: 6px 12px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  backdrop-filter: var(--glass-blur);
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-outline-primary.btn-sm::before,
.btn-outline-secondary.btn-sm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 10px;
  background: var(--glass-reflection);
  z-index: -1;
  filter: var(--glass-blur);
  opacity: 0.6;
  pointer-events: none;
}

.btn-outline-primary.btn-sm {
  color: #007bff;
}

.btn-outline-secondary.btn-sm {
  color: #6c757d;
}

.btn-outline-primary.btn-sm:hover,
.btn-outline-secondary.btn-sm:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-outline-primary.btn-sm:hover::before {
  opacity: 0.8;
}

.btn-outline-secondary.btn-sm:hover::before {
  opacity: 0.8;
}

/* === BOTONES LIQUID GLASS (para botones grandes) === */