/* ═══════════════════════════════════════════════════════
   Human Design Chart Calculator — Styles
   Mobile-first responsive design
   ═══════════════════════════════════════════════════════ */

/* ─── Chart Form Container ──────────────────────────────── */
.chart-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-xl);
  max-width: 600px;
  margin: var(--space-lg) auto;
}

@media (max-width: 600px) {
  .chart-form-container {
    padding: var(--space-md);
    border-radius: 8px;
    margin: var(--space-md) auto;
  }
}

/* ─── Loading State ─────────────────────────────────────── */
.loading {
  display: none;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.loading.visible {
  display: block;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Success Toast Enhancement ──────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 3000;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

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

.toast.success {
  border-color: #68C868;
  background: rgba(104, 200, 104, 0.1);
}

.toast.error {
  border-color: #e87070;
  background: rgba(232, 112, 112, 0.1);
}

/* ─── Share Button ──────────────────────────────────────── */
.share-button-container {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.share-btn:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--text-primary);
}

.share-btn:active {
  transform: scale(0.98);
}

.share-btn.copied {
  border-color: #68C868;
  color: #68C868;
}

.share-btn .icon {
  font-size: 1rem;
}

/* ─── Result Header Enhancement ─────────────────────────── */
.result-header {
  text-align: center;
  padding: var(--space-md) 0;
}

.result-header h2 {
  margin-bottom: var(--space-sm);
}

.result-type {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.5rem);
  margin-bottom: var(--space-md);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.result-type-description {
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 0 var(--space-md);
}

.result-badges {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 var(--space-sm);
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.badge strong {
  color: var(--accent);
}

/* ─── Mobile Touch Targets ──────────────────────────────── */
@media (max-width: 768px) {
  /* Ensure buttons meet 44px minimum touch target */
  .btn,
  button,
  .chart-tab,
  .share-btn {
    min-height: 44px;
  }
  
  /* Form inputs */
  input,
  select,
  textarea {
    min-height: 44px;
    font-size: 16px; /* Prevents iOS zoom */
  }
  
  /* Result badges - larger on mobile */
  .badge {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
  
  .result-type {
    font-size: 1.8rem;
  }
  
  .result-badges {
    gap: var(--space-xs);
  }
}

/* ─── Form Sections ─────────────────────────────────────── */
.form-section {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
  margin-bottom: var(--space-md);
}

.form-section-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.form-helper {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.5rem 0 0.75rem;
}

/* ─── Form Row Layout ───────────────────────────────────── */
.form-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 120px;
}

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .form-row .form-group {
    min-width: unset;
    width: 100%;
  }
  
  /* Keep hour/minute side by side */
  .form-row-compact {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .form-row-compact .form-group {
    flex: 1;
    min-width: 80px;
  }
}

/* ─── Bodygraph Container ───────────────────────────────── */
.chart-full-layout {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: var(--space-lg) auto var(--space-xl);
  flex-wrap: wrap;
}

.bodygraph-with-activations {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-xl);
  max-width: 960px;
  flex: 1 1 auto;
  flex-wrap: nowrap;
}

.bodygraph-center {
  flex: 0 0 auto;
  max-width: 420px;
  position: relative;
  width: 100%;
}

.activations-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 80px;
  max-width: 180px;
  flex-shrink: 1;
  overflow: visible;
  padding-top: 0;
  margin-top: 0;
}

.bodygraph-svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 80vh;
}

/* Mobile bodygraph layout */
@media (max-width: 768px) {
  .chart-full-layout {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: 0 var(--space-sm);
  }

  .bodygraph-with-activations {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
  }

  .bodygraph-with-activations > .bodygraph-center {
    order: 1 !important;
    width: 100%;
    flex-basis: 100%;
    padding: 0;
  }

  .bodygraph-svg {
    max-height: 60vh;
    width: auto;
    max-width: 100%;
    margin: 0 auto;
    display: block;
  }

  .bodygraph-with-activations > .activations-column {
    flex: 1 1 40%;
    min-width: 120px;
    max-width: 48%;
    padding-top: 0;
  }

  .bodygraph-with-activations > .design-column {
    order: 2 !important;
    background: rgba(212, 168, 67, 0.05);
    padding: var(--space-sm);
    border-radius: 8px;
  }

  .bodygraph-with-activations > .personality-column {
    order: 3 !important;
    background: rgba(192, 192, 192, 0.05);
    padding: var(--space-sm);
    border-radius: 8px;
  }

  .bodygraph-center .bodygraph-legend {
    margin-top: var(--space-md) !important;
  }

  #bodygraph-svg-container {
    max-height: none;
    overflow: visible;
  }

  #bodygraph-svg-container svg.bodygraph-svg {
    max-height: 60vh;
  }

  .bodygraph-center .bodygraph-overlay-controls {
    margin-top: var(--space-lg) !important;
  }
}

/* ─── Type Description Cards ────────────────────────────── */
.type-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-lg);
  margin: var(--space-md) 0;
  border-left: 4px solid var(--type-color, var(--accent));
}

.type-info-card h4 {
  color: var(--type-color, var(--accent));
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.type-info-card p {
  margin: 0;
  line-height: 1.7;
}

/* ─── Active Gates List ─────────────────────────────────── */
.gates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.gate-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.gate-badge:hover {
  background: var(--bg-card);
  border-color: var(--accent);
}

.gate-badge .gate-number {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

.gate-badge .gate-name {
  color: var(--text-secondary);
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gate-badge.personality {
  border-left: 3px solid var(--text-primary);
}

.gate-badge.design {
  border-left: 3px solid #D4A843;
}

.gate-badge.both {
  border-left: 3px solid var(--accent);
}

/* ─── Channel Highlights ────────────────────────────────── */
.channels-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.channel-card {
  padding: var(--space-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
}

.channel-card:hover {
  border-color: var(--accent);
}

.channel-card .channel-gates {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.channel-card .channel-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.channel-card .channel-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.channel-card .channel-centers {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* ─── Error Display ─────────────────────────────────────── */
.chart-error {
  display: none;
  background: rgba(200, 56, 56, 0.1);
  border: 1px solid rgba(200, 56, 56, 0.3);
  border-radius: 8px;
  padding: var(--space-md);
  color: #e87070;
  margin-top: var(--space-md);
  font-size: 0.9rem;
}

.chart-error.visible {
  display: block;
}

/* ─── Success Message ───────────────────────────────────── */
.chart-success {
  display: none;
  background: rgba(104, 200, 104, 0.1);
  border: 1px solid rgba(104, 200, 104, 0.3);
  border-radius: 8px;
  padding: var(--space-md);
  color: #68C868;
  margin-top: var(--space-md);
  font-size: 0.9rem;
  text-align: center;
}

.chart-success.visible {
  display: block;
}

/* ─── Tab Navigation ────────────────────────────────────── */
.chart-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.chart-tab {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

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

.chart-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (max-width: 600px) {
  .chart-tab {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
}

/* ─── Timeline Responsive ───────────────────────────────── */
.timeline-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .timeline-pair {
    grid-template-columns: 1fr;
  }
}

/* ─── Gate Panel Mobile ─────────────────────────────────── */
@media (max-width: 768px) {
  .gate-panel {
    width: 100%;
    height: 85vh;
    top: auto;
    bottom: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
  }
  
  .gate-panel.visible {
    transform: translateY(0);
  }
  
  .gate-panel-content {
    padding: var(--space-md);
    padding-top: calc(var(--space-md) + 1rem);
  }
  
  .gate-panel-header h2 {
    font-size: 1.1rem;
  }
  
  .gate-keynote {
    font-size: 0.9rem;
  }
}

/* ─── Smooth Transitions ────────────────────────────────── */
.chart-result {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-section {
  animation: slideIn 0.4s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger animations for sections */
.result-section:nth-child(1) { animation-delay: 0ms; }
.result-section:nth-child(2) { animation-delay: 100ms; }
.result-section:nth-child(3) { animation-delay: 200ms; }
.result-section:nth-child(4) { animation-delay: 300ms; }

/* ─── Print Styles ──────────────────────────────────────── */
@media print {
  .share-button-container,
  .chart-tabs,
  .btn-secondary {
    display: none !important;
  }
  
  .chart-form-container {
    display: none;
  }
  
  .bodygraph-svg {
    max-height: none;
  }
  
  .result-section {
    break-inside: avoid;
  }
}