/* ==========================================================================
   Science Balancer & Chemical Solver - Isolated CSS
   Wrapper: .aitp-science-balancer
   Designed for WordPress Shortcode [science_balancer]
   ========================================================================== */

/* Scoped Container Base - Fluid Outer Layout */
.aitp-science-balancer {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1e293b;
  background: transparent;
  padding: 10px 0;
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.6;
  border: none;
  box-shadow: none;
  -webkit-font-smoothing: antialiased;
}

.aitp-science-balancer *,
.aitp-science-balancer *::before,
.aitp-science-balancer *::after {
  box-sizing: border-box;
}

/* Header Section */
.aitp-science-balancer .aitp-header {
  text-align: center;
  margin-bottom: 24px;
}

.aitp-science-balancer .aitp-title {
  font-size: 36px;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 10px 0;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.aitp-science-balancer .aitp-subtitle {
  font-size: 16px;
  color: #64748b;
  margin: 0 auto;
  max-width: 600px;
  font-weight: 400;
  line-height: 1.5;
}

/* Example Equations Chips (Above Search Bar) */
.aitp-science-balancer .aitp-examples-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.aitp-science-balancer .aitp-examples-title {
  font-size: 13px;
  font-weight: 700;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}

.aitp-science-balancer .aitp-examples-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.aitp-science-balancer .aitp-example-chip {
  background-color: #ffffff;
  color: #334155;
  border: 1px solid #e2e8f0;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.aitp-science-balancer .aitp-example-chip:hover {
  background-color: #ecfdf5;
  border-color: #10b981;
  color: #047857;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(5, 150, 105, 0.1);
}

/* Main Input Bar - Modern Floating Bar */
.aitp-science-balancer .aitp-search-box {
  background-color: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: 14px;
  padding: 6px 6px 6px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 12px;
}

.aitp-science-balancer .aitp-search-box:focus-within {
  border-color: #059669;
  box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.12);
}

.aitp-science-balancer .aitp-search-icon {
  color: #94a3b8;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.aitp-science-balancer .aitp-input {
  flex: 1;
  height: 46px;
  font-size: 17px;
  font-family: inherit;
  color: #0f172a;
  background: transparent;
  border: none;
  outline: none;
  padding: 0;
}

.aitp-science-balancer .aitp-input::placeholder {
  color: #94a3b8;
}

.aitp-science-balancer .aitp-search-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Clear Link Button */
.aitp-science-balancer .aitp-btn-clear {
  height: 44px;
  padding: 0 14px;
  background: transparent;
  color: #64748b;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.aitp-science-balancer .aitp-btn-clear:hover {
  background-color: #f1f5f9;
  color: #0f172a;
}

/* Primary Balance Button */
.aitp-science-balancer .aitp-btn-balance {
  height: 44px;
  padding: 0 22px;
  background-color: #059669;
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.aitp-science-balancer .aitp-btn-balance:hover {
  background-color: #047857;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.aitp-science-balancer .aitp-btn-balance:active {
  transform: translateY(1px);
}

/* Quick Symbol Strip & Live Preview */
.aitp-science-balancer .aitp-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 0 4px;
}

.aitp-science-balancer .aitp-symbols-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.aitp-science-balancer .aitp-symbol-label {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-right: 2px;
}

.aitp-science-balancer .aitp-symbol-btn {
  height: 30px;
  min-width: 30px;
  padding: 0 8px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  background-color: #f8fafc;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.aitp-science-balancer .aitp-symbol-btn:hover {
  background-color: #e2e8f0;
  border-color: #cbd5e1;
  color: #0f172a;
}

.aitp-science-balancer .aitp-live-preview {
  font-size: 13px;
  color: #64748b;
}

.aitp-science-balancer .aitp-live-preview-text {
  font-weight: 700;
  color: #059669;
}

/* Loading State */
.aitp-science-balancer .aitp-loading-card {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 28px;
}

.aitp-science-balancer .aitp-spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid #a7f3d0;
  border-top-color: #059669;
  border-radius: 50%;
  animation: aitp-spin 0.8s linear infinite;
}

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

.aitp-science-balancer .aitp-loading-text {
  font-size: 14px;
  font-weight: 600;
  color: #047857;
}

/* Error Card */
.aitp-science-balancer .aitp-error-card {
  display: none;
  background-color: #fef2f2;
  border: 1px solid #fecdd3;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 28px;
  color: #991b1b;
}

.aitp-science-balancer .aitp-error-text {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

/* BOXED RESULT CARD CONTAINER */
.aitp-science-balancer .aitp-result-area {
  display: none;
  background-color: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  margin-top: 20px;
  margin-bottom: 28px;
  animation: aitp-fadeIn 0.3s ease-out;
}

@keyframes aitp-fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Equation Banner Inside Result Card */
.aitp-science-balancer .aitp-result-banner {
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border: 1.5px solid #a7f3d0;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 28px;
  position: relative;
}

.aitp-science-balancer .aitp-result-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.aitp-science-balancer .aitp-result-heading {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #047857;
  margin: 0;
}

.aitp-science-balancer .aitp-btn-copy {
  height: 36px;
  padding: 0 14px;
  background-color: #ffffff;
  color: #047857;
  border: 1px solid #a7f3d0;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.aitp-science-balancer .aitp-btn-copy:hover {
  background-color: #059669;
  color: #ffffff;
  border-color: #059669;
}

.aitp-science-balancer .aitp-btn-copy.copied {
  background-color: #059669;
  color: #ffffff;
  border-color: #059669;
}

.aitp-science-balancer .aitp-result-equation {
  font-size: 32px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.01em;
  word-break: break-word;
  line-height: 1.3;
}

/* Sections Inside Boxed Result Card */
.aitp-science-balancer .aitp-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.aitp-science-balancer .aitp-section-heading {
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid #f1f5f9;
}

.aitp-science-balancer .aitp-steps-list {
  margin: 0;
  padding-left: 20px;
  color: #475569;
  font-size: 14px;
}

.aitp-science-balancer .aitp-steps-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* Table Inside Boxed Result */
.aitp-science-balancer .aitp-table-wrapper {
  overflow-x: auto;
}

.aitp-science-balancer .aitp-atom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.aitp-science-balancer .aitp-atom-table th,
.aitp-science-balancer .aitp-atom-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
}

.aitp-science-balancer .aitp-atom-table th {
  background-color: #f8fafc;
  font-weight: 700;
  color: #475569;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.aitp-science-balancer .aitp-atom-table tr:last-child td {
  border-bottom: none;
}

.aitp-science-balancer .aitp-badge-equal {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  background-color: #d1fae5;
  color: #065f46;
}

/* Responsive Styles */
@media (max-width: 640px) {
  .aitp-science-balancer .aitp-title {
    font-size: 26px;
  }

  .aitp-science-balancer .aitp-subtitle {
    font-size: 14px;
  }

  .aitp-science-balancer .aitp-search-box {
    flex-wrap: wrap;
    padding: 10px;
    border-radius: 12px;
  }

  .aitp-science-balancer .aitp-input {
    width: 100%;
    height: 42px;
  }

  .aitp-science-balancer .aitp-search-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .aitp-science-balancer .aitp-btn-balance {
    flex: 1;
    justify-content: center;
  }

  .aitp-science-balancer .aitp-result-area {
    padding: 18px;
  }

  .aitp-science-balancer .aitp-result-equation {
    font-size: 22px;
  }

  .aitp-science-balancer .aitp-toolbar-row {
    flex-direction: column;
    align-items: flex-start;
  }
}