:root {
  /* Light Mode Colors */
  --bg-gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-gradient-green-blue: linear-gradient(135deg, var(--success) 0%, var(--info) 100%);
  --bg-gradient-red-yellow: linear-gradient(135deg, var(--danger) 0%, var(--warning) 100%);
  --bg-gradient-purple-blue: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --bg-gray-opacity2: rgba(255, 255, 255, 0.2);
}
/* ========== ANIMATIONS ========== */
@keyframes zoomIn { 0% { transform: scale(0.5); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes celebrate { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ========== ANIMATIONS (COMPLETAS) ========== */
@keyframes celebrate {
  0% { transform: scale(0) rotate(0deg); }
  50% { transform: scale(1.2) rotate(180deg); }
  100% { transform: scale(1) rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

@keyframes slideInRight {
  0% { transform: translateX(100%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInUp {
  0% { transform: translateY(30px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes correctPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); box-shadow: 0 8px 30px rgba(38, 166, 154, 0.3); }
}

.anim-zoom-in {
  animation: zoomIn 0.8s ease-out;
}

a {
  color: var(--primary);
  transition: color 0.3s ease;
}

[class*="bg-"] {
  background-color: inherit !important;
}

input[class*="form-control"] {
  color: inherit !important;
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--light);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

[data-bs-theme=dark] .form-select {
  --bs-form-select-bg-img: url(data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e) !important;
}

/**/ select#em-duration, input[type="number"]#em-custom-input {
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  color: var(--text-primary);
  transition: border-color 0.15s;
  -webkit-font-smoothing: antialiased;
}
select#em-duration::placeholder, input[type="number"]#em-custom-input::placeholder {
  color: var(--text-muted);
}
select#em-duration:focus, input[type="number"]#em-custom-input:focus {
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 .25rem rgba(13, 110, 253, 0.25);
}

/*content all screen center vertical and horizontal */
.hero-section {
  min-height: calc(100svh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 4rem;
}

@media (max-width: 767px) {
  .hero-section {
    min-height:auto;
    align-items: flex-start;
    padding: 1.5rem .25rem 2rem;
  }

  .container-lg.game{
    padding-right: 0 !important;
    padding-left: 0 !important;
  }
}

.text-truncate-3-lines {
  display: -webkit-box;
  -webkit-line-clamp: 3;           /* Número de líneas que deseas mostrar */
  -webkit-box-orient: vertical;
  overflow: hidden;                /* Oculta el texto que sobrepasa las 3 líneas */
}

.accordion {
  --bs-accordion-border-color: transparent !important;
  --bs-accordion-border-width: 0 !important;
}

.accordion-button::after {
  position: absolute;
  right: 1rem;
  color: white !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23666666' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='m2 5 6 6 6-6'/%3e%3c/svg%3e")
}
.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23666666' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}


.btn-check:checked+.btn, .btn.active, .btn.show, .btn:first-child:active, :not(.btn-check)+.btn:active {
  background-color: inherit;
  border-color: inherit;
}

footer h3 {
  margin-bottom: 1rem;
}

footer ul, footer h3 {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

hr {
  color: rgb(255, 255, 255, 0.2);
  border: 0.1px solid;
}

.card, .card-bg {
  background-color: var(--light);
}

.card-header {
  padding: var(--bs-card-cap-padding-y) var(--bs-card-cap-padding-x);
  margin-bottom: 0;
  color: var(--bs-card-cap-color);
  background-color: transparent !important;
  border-bottom: none !important;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  text-align: center;
  /* Cross-platform touch improvements */
  touch-action: manipulation;      /* elimina delay 300ms en Android/iOS */
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  /* Evita que el botón aparezca en estado pressed en iOS */
  -webkit-appearance: none;
  appearance: none;
}

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

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

@media (max-width:575px) {
  .nav-controls button, .nav-controls a {
    width: 100% !important;
  }
}

.nav-controls button, .nav-controls a {
  width: 225px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
}

.btn-primary.primary-border {
  border: 2px solid var(--primary);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white) !important;
}

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

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

.btn-warning {
  background: var(--warning);
  color: #1a1a1a !important;
}

.btn-warning.warning-border {
  border: 2px solid var(--warning);
}

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

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  transition: all 0.3s ease;
}

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

[data-theme="dark"] .btn-outline {
  color: var(--primary-light);
  border-color: var(--primary-light);
}

[data-theme="dark"] .btn-outline:hover {
  background: var(--primary-light);
  color: var(--white);
}

.btn-light {
  background: var(--light);
  color: var(--dark);
  transition: all 0.3s ease;
}

[data-theme="dark"] .btn-light {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

[data-theme="dark"] .btn-light:hover {
  background: var(--bg-gray-opacity2);
  color: var(--white);
}

/* SWITCH */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/*-----------------------------------------------*/


.gradient-purple {
  background: var(--bg-gradient-purple);
}

.gradient-green-blue {
  background: var(--bg-gradient-green-blue);
}

.gradient-red-yellow {
  background: var(--bg-gradient-red-yellow);
}

.gradient-purple-blue {
  background: var(--bg-gradient-purple-blue);
}

.opacity-9 {
  opacity: 0.9 !important;
}

.gray-opacity {
  background: var(--bg-gray-opacity2);
}

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

.primary-theme {
  color: var(--primary);
}

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

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

.dark-color {
  color: var(--dark);
}

.fw-black {
  font-weight: 900 !important;
}

.extra-small {
  font-size:0.75rem;
}

.letter-spacing {
  letter-spacing: 1px;
}