/* ============================================================
   Orchard Robotics - Clarkson Prospecting
   Brand Colors: #FF0333 (primary red), light beige, light green
   ============================================================ */

:root {
  /* Orchard Robotics Brand Colors */
  --primary: #FF0333;
  --primary-dark: #cc0229;
  --primary-light: #ffe5ea;

  /* Complementary colors */
  --accent-green: #4ade80;
  --accent-green-light: #dcfce7;
  --accent-green-dark: #16a34a;

  --beige: #faf7f2;
  --beige-dark: #f0ebe3;
  --beige-darker: #e5ddd0;

  /* Neutrals */
  --background: #faf7f2;
  --surface: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #8a8a8a;
  --border: #e5ddd0;
  --border-light: #f0ebe3;

  /* Status colors */
  --error: #dc2626;
  --error-light: #fee2e2;
  --success: #16a34a;
  --success-light: #dcfce7;
  --info: #2563eb;
  --info-light: #dbeafe;
  --warning: #f59e0b;
  --warning-light: #fef3c7;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 40px -10px rgb(0 0 0 / 0.15);

  /* Borders */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;

  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   Typography
   ============================================================ */

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h2 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px -3px rgba(255, 3, 51, 0.4);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -3px rgba(255, 3, 51, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--accent-green);
  color: white;
  box-shadow: 0 4px 14px -3px rgba(74, 222, 128, 0.4);
}

.btn-secondary:hover {
  background: var(--accent-green-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--surface);
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  background: var(--beige);
  border-color: var(--text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--beige-dark);
  color: var(--text-primary);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

.btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  font-size: 1.1em;
}

/* ============================================================
   Forms
   ============================================================ */

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.required {
  color: var(--primary);
}

.optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.8em;
}

/* ============================================================
   Login Page
   ============================================================ */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--beige) 0%, #fff 50%, var(--accent-green-light) 100%);
  padding: 20px;
}

.login-container {
  width: 100%;
  max-width: 440px;
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2.5rem;
  box-shadow: 0 8px 24px -6px rgba(255, 3, 51, 0.4);
}

.login-header h1 {
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.login-header .brand-highlight {
  color: var(--primary);
  font-weight: 600;
}

.login-form {
  margin-top: 32px;
}

.error-message {
  background: var(--error-light);
  color: var(--error);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 24px;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.success-message {
  background: var(--success-light);
  color: var(--success);
  padding: 24px;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid rgba(22, 163, 74, 0.2);
}

.success-message .success-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.success-message p {
  color: var(--success);
  margin: 0;
  font-weight: 500;
}

.success-message .success-hint {
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 8px;
  opacity: 0.8;
}

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px -3px rgba(255, 3, 51, 0.3);
}

.nav-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   Main Content
   ============================================================ */

.main-content {
  padding: 48px 24px;
  min-height: calc(100vh - 140px);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ============================================================
   Search Section
   ============================================================ */

.search-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.search-header {
  text-align: center;
  margin-bottom: 40px;
}

.search-header h1 {
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.search-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.search-form {
  max-width: 600px;
  margin: 0 auto;
}

/* Query Queue */
.query-queue {
  margin-bottom: 32px;
}

.query-queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.query-queue-header h3 {
  font-size: 1rem;
  color: var(--text-secondary);
}

.query-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.query-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--beige);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.query-item-number {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.query-item-content {
  flex: 1;
  min-width: 0;
}

.query-item-name {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.query-item-address {
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.query-item-status {
  flex-shrink: 0;
}

.query-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.query-item-remove:hover {
  background: var(--error-light);
  color: var(--error);
}

/* Add Query Form */
.add-query-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--beige);
  border-radius: var(--radius);
  border: 2px dashed var(--border);
  margin-bottom: 24px;
}


.add-query-form .form-group {
  margin-bottom: 0;
}

.add-query-actions {
  display: flex;
  gap: 12px;
}

/* ============================================================
   Status Section
   ============================================================ */

.status-section {
  margin-top: 40px;
}

.status-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 28px;
  border: 1px solid var(--border-light);
}

.status-icon {
  flex-shrink: 0;
}

.status-content h3 {
  margin-bottom: 8px;
  color: var(--text-primary);
}

.status-content p {
  margin-bottom: 16px;
}

.status-details {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.status-progress {
  margin-top: 20px;
}

.progress-bar {
  height: 6px;
  background: var(--beige-dark);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent-green) 100%);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ============================================================
   Results Section
   ============================================================ */

.results-section {
  margin-top: 40px;
}

.results-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.result-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.result-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: linear-gradient(135deg, var(--beige) 0%, var(--surface) 100%);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.result-header:hover {
  background: var(--beige);
}

.result-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
  cursor: pointer;
}

.result-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-copy.copied {
  background: var(--success);
}

.btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-pdf:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.btn-pdf:disabled {
  background: #94a3b8;
  cursor: not-allowed;
  transform: none;
}

.result-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.result-toggle.expanded {
  transform: rotate(90deg);
}

.result-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-content-wrapper {
  overflow: hidden;
}

.result-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-green-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.result-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--surface);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.result-content {
  padding: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.result-content .result-table {
  width: 100%;
  max-width: 900px;
  table-layout: fixed;
}

.result-content .result-table th,
.result-content .result-table td {
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

@media (max-width: 768px) {
  .result-content .result-table {
    min-width: 700px;
  }

  .result-content .result-table th,
  .result-content .result-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}

.result-actions {
  padding: 20px 32px;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--beige);
}

/* Result Error State */
.result-error {
  padding: 32px;
  text-align: center;
}

.result-error-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.result-error h3 {
  color: var(--error);
  margin-bottom: 8px;
}

/* ============================================================
   Result Tables
   ============================================================ */

.result-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}

.result-table th,
.result-table td {
  border: 1px solid var(--border);
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
}

.result-table th {
  background: linear-gradient(135deg, var(--beige) 0%, var(--beige-dark) 100%);
  font-weight: 600;
  color: var(--text-primary);
}

.result-table tr:nth-child(even) td {
  background: var(--beige);
}

.result-table tr:hover td {
  background: var(--primary-light);
}

.result-table.three-col {
  table-layout: fixed;
}

.result-table td {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* ============================================================
   Error Section
   ============================================================ */

.error-section {
  margin-top: 40px;
}

.error-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 56px;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border-light);
}

.error-card .error-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.error-card h3 {
  color: var(--error);
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.error-card p {
  margin-bottom: 28px;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
}

/* ============================================================
   Badges
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  gap: 6px;
}

.badge-info {
  background: var(--info-light);
  color: var(--info);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
}

.badge-error {
  background: var(--error-light);
  color: var(--error);
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

/* ============================================================
   Spinners
   ============================================================ */

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-large {
  width: 56px;
  height: 56px;
  border: 4px solid var(--beige-dark);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-small {
  width: 16px;
  height: 16px;
  border: 2px solid var(--beige-dark);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================================
   Footer
   ============================================================ */

.footer {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--border-light);
  background: var(--surface);
}

.footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.footer a:hover {
  text-decoration: underline;
}

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

/* Mobile-first unified responsive design */
.add-query-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 600px) {
  .add-query-row {
    flex-direction: row;
  }

  .add-query-row .form-group {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 12px 16px;
  }

  .brand-tagline {
    display: none;
  }

  .main-content {
    padding: 16px 12px;
  }

  .search-section {
    padding: 20px 16px;
    border-radius: var(--radius);
  }

  .search-header h1 {
    font-size: 1.5rem;
  }

  .search-header p {
    font-size: 0.95rem;
  }

  .add-query-form {
    padding: 16px;
  }

  .form-group input {
    padding: 14px 16px;
  }

  .status-card {
    flex-direction: column;
    text-align: center;
    padding: 24px 16px;
  }

  .status-content h3 {
    font-size: 1rem;
  }

  .result-header {
    padding: 14px 16px;
  }

  .result-header h2 {
    font-size: 0.95rem;
  }

  .result-content {
    padding: 16px;
  }

  .result-actions {
    padding: 12px 16px;
    flex-direction: column;
  }

  .result-actions .btn {
    width: 100%;
  }

  .login-card {
    padding: 24px 20px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 0.95rem;
  }

  .query-item {
    padding: 12px 14px;
    gap: 12px;
  }

  .query-item-number {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .query-item-name {
    font-size: 0.9rem;
  }

  .query-item-address {
    font-size: 0.8rem;
  }

  .results-container {
    gap: 16px;
  }

  .badge {
    padding: 4px 10px;
    font-size: 0.7rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }
}

/* ============================================================
   Content Styling (for Gemini output)
   ============================================================ */

.result-content h2 {
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.result-content h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.result-content h4 {
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.result-content p {
  margin-bottom: 16px;
  color: var(--text-primary);
}

.result-content ul,
.result-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.result-content li {
  margin-bottom: 8px;
}

.result-content strong {
  color: var(--text-primary);
}

.result-content a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.result-content a:hover {
  text-decoration: underline;
}

/* ============================================================
   Utilities
   ============================================================ */

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.hidden {
  display: none !important;
}

/* ============================================================
   Bulk Import
   ============================================================ */

.bulk-import-section {
  margin-top: 24px;
}

.bulk-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin-bottom: 16px;
}

.bulk-divider::before,
.bulk-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border);
}

.bulk-divider span {
  padding: 0 16px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.bulk-hint {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.bulk-hint code {
  background: var(--beige-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.75rem;
}

/* ============================================================
   Concurrency Control
   ============================================================ */

.concurrency-control {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--beige);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.concurrency-control label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.concurrency-control input[type="number"] {
  width: 70px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  text-align: center;
}

.concurrency-control input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.concurrency-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}