/*=============== SIGNALS PAGE STYLES ===============*/

/* Signal Categories / Tabs */
.signal-categories {
  padding: var(--spacing-md) 0;
  background: var(--white);
  border-bottom: 1px solid var(--secondary-medium-gray);
}

.signal-tabs {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.signal-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  background: var(--white);
  border: 2px solid var(--secondary-medium-gray);
  border-radius: var(--radius-md);
  color: var(--secondary-dark-gray);
  font-weight: var(--font-medium);
  font-size: 1.125rem;
  line-height: 1.6;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.signal-tab:hover {
  border-color: var(--primary-royal-blue);
  color: var(--primary-royal-blue);
  transform: translateY(-2px);
}

.signal-tab.active {
  background: var(--gradient-primary);
  border-color: var(--primary-deep-navy);
  color: var(--white);
}

.signal-tab i {
  font-size: 1.3rem;
}

/* Signals Month */
.signals__month {
  margin-bottom: var(--spacing-xxl);
}

.signals__month-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--h2-font-size);
  color: var(--primary-deep-navy);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--secondary-medium-gray);
}

.signals__month-title i {
  color: var(--primary-gold);
}

/* Signals Grid */
.signals__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* Signal Card */
.signal__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.signal__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--success-green);
  transition: height var(--transition-normal);
}

.signal__card--positive::before {
  background: var(--success-green);
}

.signal__card--neutral::before {
  background: var(--neutral-blue);
}

.signal__card--negative::before {
  background: var(--alert-red);
}

.signal__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.signal__card:hover::before {
  height: 8px;
}

/* Signal Header */
.signal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--secondary-light-gray);
}

.signal__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: var(--font-semi-bold);
  color: var(--white);
  line-height: 1.5;
}

.signal__badge--positive {
  background: var(--success-green);
}

.signal__badge--neutral {
  background: var(--neutral-blue);
}

.signal__badge--negative {
  background: var(--alert-red);
}

.signal__badge i {
  font-size: 1rem;
}

.signal__date {
  font-size: 1rem;
  color: var(--secondary-dark-gray);
  font-weight: var(--font-medium);
  line-height: 1.5;
}

/* Signal Title */
.signal__title {
  padding: var(--spacing-md);
  font-size: 1.125rem;
  color: var(--primary-deep-navy);
  line-height: 1.7;
  min-height: 90px;
  display: flex;
  align-items: center;
}

/* Signal Icon */
.signal__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.signal__icon--neutral {
  background: linear-gradient(135deg, rgba(107, 114, 128, 0.1) 0%, rgba(107, 114, 128, 0.05) 100%);
}

.signal__icon i {
  font-size: 4.5rem;
  color: var(--success-green);
}

.signal__icon--neutral i {
  color: var(--neutral-blue);
}

.signal__icon--negative {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.signal__icon--negative i {
  color: var(--alert-red);
}

/* Signal Footer */
.signal__footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--secondary-medium-gray);
}

.signal__category {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1rem;
  color: var(--neutral-blue);
  line-height: 1.5;
}

.signal__category i {
  font-size: 1rem;
}

/* Load More */
.signals__load-more {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Responsive - Signals Page */
@media screen and (max-width: 1024px) {
  .signals__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .signal-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .signal-tab {
    flex-shrink: 0;
    font-size: 1rem;
    padding: 0.75rem 1.125rem;
    line-height: 1.5;
  }
  
  .signals__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .signal__title {
    font-size: 1rem;
    min-height: 70px;
    line-height: 1.6;
  }
  
  .signal__icon i {
    font-size: 3.5rem;
  }
}

@media screen and (max-width: 480px) {
  .signals__grid {
    grid-template-columns: 1fr;
  }
  
  .signal__icon {
    padding: var(--spacing-lg);
  }
  
  .signal__icon i {
    font-size: 3rem;
  }
}

/*=============== NO RESULTS MESSAGE ===============*/
.signals__no-results {
  padding: var(--spacing-xxl);
  text-align: center;
}

.no-results__content {
  background: var(--white);
  padding: var(--spacing-xxl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.no-results__content i {
  font-size: 4.5rem;
  color: var(--secondary-medium-gray);
  margin-bottom: var(--spacing-lg);
}

.no-results__content h3 {
  font-size: var(--h3-font-size);
  color: var(--primary-deep-navy);
  margin-bottom: var(--spacing-sm);
}

.no-results__content p {
  color: var(--neutral-blue);
  font-size: 1.125rem;
  line-height: 1.7;
}

/*=============== SIGNAL MODAL ===============*/
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(27, 58, 95, 0.7);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal.show .modal__content {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--secondary-light-gray);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background: var(--primary-deep-navy);
  color: var(--white);
}

.modal__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.modal__status {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--success-green);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: var(--small-font-size);
  font-weight: var(--font-semi-bold);
}

.modal__date {
  color: var(--neutral-blue);
  font-size: var(--small-font-size);
}

.modal__title {
  font-size: var(--h2-font-size);
  color: var(--primary-deep-navy);
  margin-bottom: var(--spacing-sm);
  padding-right: var(--spacing-xl);
}

.modal__category {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--secondary-light-gray);
  color: var(--neutral-blue);
  border-radius: var(--radius-sm);
  font-size: var(--smaller-font-size);
  margin-bottom: var(--spacing-lg);
}

.modal__body {
  color: var(--secondary-dark-gray);
  line-height: 1.8;
}

.modal__body p {
  margin-bottom: var(--spacing-md);
}

.modal__cta {
  margin-top: var(--spacing-xl);
  text-align: center;
}

/*=============== TOAST NOTIFICATION ===============*/
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--primary-deep-navy);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: var(--z-tooltip);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast i {
  color: var(--primary-gold);
}

/*=============== SKIP LINK ===============*/
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-deep-navy);
  color: var(--white);
  padding: 8px 16px;
  z-index: 1001;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}