/* ============================================================================
   DREAMDRAGON - LAYOUT & COMPONENTS
   ============================================================================ */

/* === CONTAINER === */
.dd-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.dd-container.full {
  max-width: none;
  padding: 0;
}

.dd-container.narrow {
  max-width: 800px;
}

.dd-container.wide {
  max-width: 1400px;
}

/* === GRID SYSTEM === */
.dd-grid {
  display: grid;
  gap: var(--space-xl);
}

.dd-grid.cols-1 { grid-template-columns: 1fr; }
.dd-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.dd-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.dd-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.dd-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.dd-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }

.dd-grid.gap-sm { gap: var(--space-sm); }
.dd-grid.gap-md { gap: var(--space-md); }
.dd-grid.gap-lg { gap: var(--space-lg); }
.dd-grid.gap-xl { gap: var(--space-xl); }
.dd-grid.gap-2xl { gap: var(--space-2xl); }

/* === FLEX UTILITIES === */
.dd-flex {
  display: flex;
}

.dd-flex.col {
  flex-direction: column;
}

.dd-flex.wrap {
  flex-wrap: wrap;
}

.dd-flex.center {
  align-items: center;
  justify-content: center;
}

.dd-flex.between {
  justify-content: space-between;
}

.dd-flex.around {
  justify-content: space-around;
}

.dd-flex.evenly {
  justify-content: space-evenly;
}

.dd-flex.items-start { align-items: flex-start; }
.dd-flex.items-center { align-items: center; }
.dd-flex.items-end { align-items: flex-end; }
.dd-flex.items-stretch { align-items: stretch; }

.dd-flex.justify-start { justify-content: flex-start; }
.dd-flex.justify-center { justify-content: center; }
.dd-flex.justify-end { justify-content: flex-end; }

.dd-flex.gap-sm { gap: var(--space-sm); }
.dd-flex.gap-md { gap: var(--space-md); }
.dd-flex.gap-lg { gap: var(--space-lg); }
.dd-flex.gap-xl { gap: var(--space-xl); }

/* === CARDS === */
.dd-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.dd-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-deep);
  border-color: var(--accent-purple);
}

.dd-card.interactive {
  cursor: pointer;
}

.dd-card.featured {
  border: 1px solid var(--accent-purple);
  background: linear-gradient(135deg, var(--bg-card), rgba(124, 58, 237, 0.05));
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.2);
}

.dd-card-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.dd-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-main);
  margin-bottom: var(--space-sm);
}

.dd-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.dd-card-body {
  padding: var(--space-xl);
}

.dd-card-footer {
  padding: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.1);
}

/* === BADGES === */
.dd-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dd-badge.primary {
  background: var(--accent-purple-soft);
  color: var(--accent-purple);
  border: 1px solid var(--accent-purple);
}

.dd-badge.success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-neon);
  border: 1px solid var(--accent-neon);
}

.dd-badge.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.dd-badge.warning {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.dd-badge.info {
  background: rgba(96, 165, 250, 0.1);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.dd-badge.gold {
  background: rgba(250, 204, 21, 0.1);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

/* === ALERTS === */
.dd-alert {
  padding: var(--space-lg);
  border-radius: var(--radius-xl);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.dd-alert.info {
  background: rgba(96, 165, 250, 0.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.dd-alert.success {
  background: rgba(34, 197, 94, 0.1);
  border-color: var(--accent-neon);
  color: var(--accent-neon);
}

.dd-alert.warning {
  background: rgba(249, 115, 22, 0.1);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.dd-alert.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.dd-alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.dd-alert-content {
  flex: 1;
}

.dd-alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.dd-alert-description {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  line-height: var(--line-height-relaxed);
}

/* === MODALS === */
.dd-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

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

.dd-modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-deep);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-medium);
}

.dd-modal.active .dd-modal-content {
  transform: scale(1) translateY(0);
}

.dd-modal-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dd-modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-main);
}

.dd-modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.dd-modal-close:hover {
  background: var(--bg-alt);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.dd-modal-body {
  padding: var(--space-xl);
  max-height: 60vh;
  overflow-y: auto;
}

.dd-modal-footer {
  padding: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* === TOOLTIPS === */
.dd-tooltip {
  position: relative;
  display: inline-block;
}

.dd-tooltip-content {
  position: absolute;
  bottom: calc(100% + var(--space-sm));
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-alt);
  color: var(--text-main);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-subtle);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
}

.dd-tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--border-subtle);
}

.dd-tooltip:hover .dd-tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* === LOADING STATES === */
.dd-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.dd-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-subtle);
  border-top: 3px solid var(--accent-purple);
  border-radius: var(--radius-pill);
  animation: spin 1s linear infinite;
}

.dd-spinner.large {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

.dd-spinner.small {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

/* === SKELETON LOADING === */
.dd-skeleton {
  background: linear-gradient(90deg, var(--bg-alt) 25%, var(--bg-card) 50%, var(--bg-alt) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-lg);
}

.dd-skeleton.text {
  height: 1em;
  margin-bottom: var(--space-sm);
}

.dd-skeleton.text.large {
  height: 1.5em;
}

.dd-skeleton.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
}

.dd-skeleton.card {
  height: 200px;
  border-radius: var(--radius-xl);
}

@keyframes skeleton-loading {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* === EMPTY STATES === */
.dd-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
}

.dd-empty-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.6;
}

.dd-empty-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-main);
  margin-bottom: var(--space-sm);
}

.dd-empty-description {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  max-width: 400px;
  line-height: var(--line-height-relaxed);
}

/* === RESPONSIVE UTILITIES === */
.hidden { display: none; }
.visible { display: block; }

@media screen and (max-width: 1024px) {
  .dd-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .dd-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }
  .dd-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  
  .hidden-lg { display: none; }
  .visible-lg { display: block; }
}

@media screen and (max-width: 768px) {
  .dd-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .dd-grid.cols-2 { grid-template-columns: 1fr; }
  
  .hidden-md { display: none; }
  .visible-md { display: block; }
  
  .dd-modal {
    padding: var(--space-md);
  }
  
  .dd-modal-content {
    max-height: 95vh;
  }
}

@media screen and (max-width: 475px) {
  .dd-grid { grid-template-columns: 1fr; }
  
  .hidden-sm { display: none; }
  .visible-sm { display: block; }
  
  .dd-card-header,
  .dd-card-body,
  .dd-card-footer {
    padding: var(--space-lg);
  }
  
  .dd-modal-header,
  .dd-modal-body,
  .dd-modal-footer {
    padding: var(--space-lg);
  }
  
  .dd-empty {
    padding: var(--space-2xl);
  }
}

/* === ANIMATIONS === */
.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.slide-up {
  animation: slideUp 0.5s ease-out;
}

.scale-in {
  animation: scaleIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-pixel { font-family: var(--font-family-pixel); }
.font-mono { font-family: monospace; }

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pointer { cursor: pointer; }
.not-allowed { cursor: not-allowed; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }