/*-----------------------------------*\
  # COMPONENTS
\*-----------------------------------*/

/* Back to top button */
.back-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-cyan-600), var(--color-teal-600));
  color: white;
  border-radius: var(--rounded-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal) var(--transition-ease);
  z-index: var(--z-20);
  overflow: hidden;
}

.back-top-btn::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-purple-500), var(--color-pink-600));
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.back-top-btn::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(transparent, transparent, transparent, rgba(255, 255, 255, 0.3));
  transform: rotate(45deg) translateX(-100%);
  z-index: -1;
}

.back-top-btn.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top-btn:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg), 0 10px 20px rgba(1, 164, 247, 0.3);
}

.back-top-btn:hover::before {
  opacity: 1;
}

.back-top-btn:hover::after {
  animation: buttonSweep 1s forwards;
}

.back-top-btn i {
  transition: transform 0.3s ease;
}

.back-top-btn:hover i {
  animation: arrowUp 1s ease infinite;
}

@keyframes arrowUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes buttonSweep {
  0% { transform: rotate(45deg) translateX(-100%); }
  100% { transform: rotate(45deg) translateX(100%); }
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 19, 51, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-40);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal) var(--transition-ease);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--color-bg-primary);
  border-radius: var(--rounded-2xl);
  width: 95%;
  max-width: 500px;
  padding: var(--spacing-8);
  position: relative;
  box-shadow: var(--shadow-2xl), 0 0 30px rgba(1, 164, 247, 0.3);
  transform: scale(0.95) translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal) var(--transition-bounce);
  border: 1px solid rgba(1, 164, 247, 0.1);
  overflow: hidden;
}

.modal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(1, 164, 247, 0.03), rgba(157, 107, 238, 0.03)),
    radial-gradient(circle at 20% 80%, rgba(1, 211, 210, 0.05) 0%, transparent 50%);
  z-index: -1;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--rounded-full);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-tertiary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-normal) var(--transition-ease);
  z-index: 10;
}

.modal-close:hover {
  background: linear-gradient(135deg, var(--color-cyan-600), var(--color-teal-600));
  color: white;
  transform: rotate(90deg);
}

.modal-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
  position: relative;
}

.modal-header::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan-600), var(--color-purple-500));
  border-radius: var(--rounded-full);
}

.modal-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-2);
  background: linear-gradient(to right, var(--color-text-primary), var(--color-purple-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.modal-subtitle {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.modal-form .form-group {
  margin-bottom: var(--spacing-5);
}

.modal-form .form-footer {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  font-size: var(--text-sm);
  align-items: center;
}

.modal-form .remember-me {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.modal-form .remember-me input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-cyan-600);
  cursor: pointer;
}

.modal-form .remember-me label {
  cursor: pointer;
}

.modal-form a {
  color: var(--color-cyan-600);
  transition: color var(--transition-normal) var(--transition-ease);
  position: relative;
}

.modal-form a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-cyan-600);
  transition: width 0.3s ease;
}

.modal-form a:hover {
  color: var(--color-purple-500);
}

.modal-form a:hover::after {
  width: 100%;
  background: var(--color-purple-500);
}

.modal-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-6) 0;
}

.modal-divider::before,
.modal-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--color-border), transparent);
}

.modal-divider::after {
  background: linear-gradient(to left, var(--color-border), transparent);
}

.modal-divider span {
  padding: 0 var(--spacing-4);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.social-login {
  display: flex;
  gap: var(--spacing-3);
}

.social-login-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 45px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--rounded-lg);
  font-size: 1.5rem;
  color: var(--color-text-tertiary);
  transition: all var(--transition-normal) var(--transition-ease);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.social-login-btn::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(transparent, transparent, transparent, rgba(255, 255, 255, 0.1));
  transform: rotate(45deg) translateX(-100%);
  transition: all 0.5s ease;
  z-index: -1;
}

.social-login-btn:nth-child(1) { color: #db4437; }
.social-login-btn:nth-child(2) { color: #333; }
.social-login-btn:nth-child(3) { color: #1877f2; }

.social-login-btn:hover {
  transform: translateY(-3px);
  border-color: currentColor;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-login-btn:hover::after {
  animation: buttonSweep 1s forwards;
}

.modal-footer {
  text-align: center;
  margin-top: var(--spacing-6);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.modal-footer a {
  color: var(--color-cyan-600);
  font-weight: var(--font-medium);
  transition: color var(--transition-normal) var(--transition-ease);
  position: relative;
}

.modal-footer a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-cyan-600);
  transition: width 0.3s ease;
}

.modal-footer a:hover {
  color: var(--color-purple-500);
}

.modal-footer a:hover::after {
  width: 100%;
  background: var(--color-purple-500);
}

/* Notificaciones */
.notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-30);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  max-width: 350px;
}

.notification {
  background-color: var(--color-bg-primary);
  border-radius: var(--rounded-xl);
  padding: var(--spacing-4);
  box-shadow: var(--shadow-xl), 0 0 20px rgba(1, 164, 247, 0.2);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  transform: translateX(120%);
  opacity: 0;
  transition: all var(--transition-normal) var(--transition-bounce);
  border: 1px solid rgba(1, 164, 247, 0.1);
  position: relative;
  overflow: hidden;
}

.notification::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-cyan-600), var(--color-purple-500));
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification:hover {
  transform: translateX(-5px) translateY(-5px);
  box-shadow: var(--shadow-xl), 0 10px 30px rgba(1, 164, 247, 0.3);
}

.notification-icon {
  font-size: 1.5rem;
  color: var(--color-cyan-600);
  filter: drop-shadow(0 0 5px rgba(1, 164, 247, 0.2));
}

.notification-content {
  flex: 1;
}

.notification-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-1);
  color: var(--color-text-primary);
}

.notification-message {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.notification-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan-600), var(--color-purple-500));
  width: 100%;
  animation: notification-progress 5s linear forwards;
}

@keyframes notification-progress {
  0% { width: 100%; }
  100% { width: 0; }
}

/* Utility Animations */
.typing-text {
  position: relative;
}

.typing-text::after {
  content: "|";
  position: absolute;
  right: -10px;
  top: 0;
  color: var(--color-cyan-600);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}

.loading {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}

.loading div {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  animation: loading 1.2s linear infinite;
}

.loading div:nth-child(1) {
  top: 8px;
  left: 8px;
  background-color: var(--color-cyan-600);
  animation-delay: 0s;
}

.loading div:nth-child(2) {
  top: 8px;
  left: 32px;
  background-color: var(--color-teal-600);
  animation-delay: -0.4s;
}

.loading div:nth-child(3) {
  top: 8px;
  left: 56px;
  background-color: var(--color-purple-500);
  animation-delay: -0.8s;
}

@keyframes loading {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.5); }
}

/* Shine Effect */
.shine-effect {
  position: relative;
  overflow: hidden;
}

.shine-effect::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
  transform: rotate(45deg) translateX(-100%);
  animation: shine 3s infinite ease-in-out;
}

@keyframes shine {
  0% { transform: rotate(45deg) translateX(-100%); }
  20%, 100% { transform: rotate(45deg) translateX(100%); }
}

/* Floating Animation */
.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Animated Background Gradient */
.animated-gradient {
  background: linear-gradient(135deg, var(--color-cyan-600), var(--color-teal-600), var(--color-purple-500), var(--color-pink-600));
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
}

@keyframes gradientAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}