/* @section:components - Buttons, Cards, Forms, Modals, Stats */

/* Buttons */
.btn-primary {
  background: #818cf8;
  color: #fff;
  border: none;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  white-space: nowrap;
  line-height: 1.4;
}

.btn-primary:hover { background: #6366f1; }

.btn-secondary {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  line-height: 1.4;
}

.btn-secondary:hover { background: #e2e8f0; }

.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
}

.btn-danger { background: #ef4444 !important; }
.btn-danger:hover { background: #dc2626 !important; }

.btn-success { background: #10b981 !important; }
.btn-success:hover { background: #059669 !important; }

.btn-ai {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: #fff !important;
  border: none !important;
  line-height: 1.4;
}

.btn-ai:hover {
  background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%) !important;
}

.btn-ai .ai-icon {
  display: none;
}

/* Icon buttons */
.btn-icon {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  background: #fff;
  color: #64748b;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.btn-icon:hover { background: #f8fafc; border-color: #cbd5e1; }
.btn-icon.btn-success { color: #10b981; }
.btn-icon.btn-success:hover { background: #d1fae5; border-color: #10b981; }
.btn-icon.btn-danger { color: #ef4444; }
.btn-icon.btn-danger:hover { background: #fee2e2; border-color: #ef4444; }

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px;
}

.stat-card {
  background: #fff;
  padding: 16px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #e2e8f0;
}

.stat-label {
  font-size: 11px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: #1e293b;
}

.stat-value.positive { color: #10b981; }
.stat-value.negative { color: #ef4444; }

/* Stats Row - Compact */
.stats-row.compact {
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 16px 20px;
}

.stats-row.compact .stat-card {
  padding: 12px;
}

.stats-row.compact .stat-label {
  font-size: 10px;
  margin-bottom: 4px;
}

.stats-row.compact .stat-value {
  font-size: 18px;
}

.stat-card.highlight {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #818cf8;
}

/* Tab Bar */
.tab-bar {
  display: flex;
  gap: 4px;
  padding: 0 20px 16px;
}

.tab-btn {
  background: #f1f5f9;
  border: none;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.tab-btn:hover { background: #e2e8f0; }

.tab-btn.active {
  background: #818cf8;
  color: #fff;
}

/* Type badge */
.type-badge {
  font-size: 9px;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: 3px;
  text-transform: uppercase;
}

.type-badge.long { background: #d1fae5; color: #059669; }
.type-badge.short { background: #fee2e2; color: #dc2626; }
.type-badge.call { background: #dbeafe; color: #2563eb; }
.type-badge.put { background: #fef3c7; color: #d97706; }
.type-badge.short-call { background: #fce7f3; color: #be185d; }
.type-badge.short-put { background: #f3e8ff; color: #7c3aed; }

/* Alert */
.alert { background: #fef2f2; padding: 8px 12px; font-size: 11px; display: none; color: #dc2626; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #94a3b8;
}

.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-text { font-size: 16px; font-weight: 600; color: #64748b; }
.empty-hint { font-size: 13px; margin-top: 8px; }

/* Modals */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active { display: flex; }

.modal-content {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content.modal-sm { max-width: 360px; }
.modal-content.modal-wide { max-width: 95vw; max-height: 85vh; }

.modal-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid #e2e8f0;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.modal-header .chain-controls {
  flex: 1;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 200px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: #94a3b8;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover { color: #64748b; }

.modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  max-height: calc(85vh - 80px);
}

/* Forms */
form { padding: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #f8fafc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #818cf8;
  background: #fff;
}

.form-group textarea { resize: vertical; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

/* AI Badge */
.ai-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 12px;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

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

/* FAB Button */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #818cf8;
  color: #fff;
  border: none;
  font-size: 28px;
  font-weight: 300;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(129,140,248,0.4);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(129,140,248,0.5);
}

.fab:active {
  transform: scale(0.95);
}