/* ===============================================
   PCC Yield Optimizer - Empty States
   Sprint 7 - Phase 2
   =============================================== */

/* ===========================
   Base Empty State Container
   =========================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6xl) var(--space-4xl);
  min-height: 400px;
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-gray-300);
}

.empty-state-icon {
  font-size: var(--font-size-display);
  margin-bottom: var(--space-2xl);
  opacity: 0.9;
}

.empty-state-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.empty-state-description {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: var(--space-2xl);
}

/* ===========================
   Empty State Suggestions
   =========================== */

.empty-state-suggestions {
  margin-bottom: var(--space-3xl);
}

.empty-state-suggestions-title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
  text-align: center;
}

.empty-state-suggestions-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
  max-width: 420px;
}

.empty-state-suggestions-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-body);
  color: var(--color-gray-600);
  line-height: 1.5;
}

.empty-state-suggestions-list li::before {
  content: '•';
  color: var(--color-brand-blue);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-h3);
  flex-shrink: 0;
}

/* ===========================
   Empty State Actions
   =========================== */

.empty-state-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.empty-state-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  outline: none;
}

.empty-state-btn-primary {
  background: var(--color-brand-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.empty-state-btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.empty-state-btn-secondary {
  background: var(--color-white);
  color: var(--color-brand-blue);
  border: 1px solid var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.empty-state-btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
  transform: translateY(-1px);
}

/* ===========================
   Specific Empty State Variants
   =========================== */

/* Opportunity Finder - No Opportunities */
.empty-state-opportunities {
  background: linear-gradient(135deg, var(--color-warning-lighter) 0%, var(--color-warning-light) 100%);
  border-color: var(--color-warning);
}

.empty-state-opportunities .empty-state-icon {
  filter: drop-shadow(0 var(--space-3xs) var(--space-2xs) rgba(245, 158, 11, 0.3));
}

/* Gap Analysis - Winning Everywhere */
.empty-state-winning {
  background: linear-gradient(135deg, var(--color-green-100) 0%, var(--color-green-50) 100%);
  border-color: var(--color-success);
}

.empty-state-winning .empty-state-icon {
  filter: drop-shadow(0 var(--space-3xs) var(--space-2xs) rgba(16, 185, 129, 0.3));
}

/* Map - No Member Data */
.empty-state-map {
  background: linear-gradient(135deg, var(--color-blue-100) 0%, var(--color-blue-50) 100%);
  border-color: var(--color-blue-500);
}

.empty-state-map .empty-state-icon {
  filter: drop-shadow(0 var(--space-3xs) var(--space-2xs) rgba(59, 130, 246, 0.3));
}

/* Analysis Panel - Limited Data */
.empty-state-panel {
  background: linear-gradient(135deg, #F3E8FF 0%, #E9D5FF 100%);
  border-color: #A855F7;
  padding: var(--space-4xl) var(--space-3xl);
  min-height: 300px;
}

.empty-state-panel .empty-state-icon {
  font-size: var(--font-size-display);
  filter: drop-shadow(0 var(--space-3xs) var(--space-2xs) rgba(168, 85, 247, 0.3));
}

/* ===========================
   Compact Empty State (for smaller views)
   =========================== */

.empty-state-compact {
  padding: var(--space-4xl) var(--space-2xl);
  min-height: 280px;
}

.empty-state-compact .empty-state-icon {
  font-size: var(--font-size-display);
  margin-bottom: var(--space-lg);
}

.empty-state-compact .empty-state-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.empty-state-compact .empty-state-description {
  font-size: var(--font-size-body);
  margin-bottom: var(--space-xl);
}

/* ===========================
   Empty State Animations
   =========================== */

.empty-state {
  animation: empty-state-fade-in 0.4s ease-out;
}

@keyframes empty-state-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.empty-state-icon {
  animation: empty-state-icon-bounce 0.6s ease-out 0.2s both;
}

@keyframes empty-state-icon-bounce {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
}

/* ===========================
   Responsive Adjustments
   =========================== */

@media (max-width: 768px) {
  .empty-state {
    padding: var(--space-4xl) var(--space-2xl);
    min-height: 320px;
  }

  .empty-state-icon {
    font-size: var(--font-size-display);
  }

  .empty-state-title {
    font-size: var(--font-size-xl);
  }

  .empty-state-description {
    font-size: var(--font-size-body);
  }

  .empty-state-actions {
    flex-direction: column;
    width: 100%;
  }

  .empty-state-btn {
    width: 100%;
    justify-content: center;
  }
}