/**
 * Soil Test Widget - Main Stylesheet
 * Contains all component styles from DESIGN_SYSTEM.md
 *
 * Requires: variables.css to be loaded first
 */

/* ============================================
 * BASE STYLES
 * ============================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.5;
}

/* ============================================
 * TYPOGRAPHY
 * ============================================ */

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: 1.3;
}

h1, .page-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h2, .section-heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

h3, .card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

p {
  margin: 0 0 var(--spacing-md) 0;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Text utilities */
.text-secondary {
  color: var(--text-secondary);
}

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

.text-small {
  font-size: var(--font-size-xs);
}

/* ============================================
 * HEADER (Admin/Partner Portal)
 * ============================================ */

.header {
  background: var(--header-bg);
  color: var(--header-text);
  padding: 0 var(--spacing-lg);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--header-text);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-link {
  color: var(--header-text);
  padding: var(--spacing-md) var(--spacing-sm);
  text-decoration: none;
  opacity: 0.8;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  opacity: 1;
  background: var(--nav-hover);
  text-decoration: none;
}

.nav-link.active {
  opacity: 1;
}

/* ============================================
 * BUTTONS
 * ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button (Green) */
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

/* Secondary Button (Outlined) */
.btn-secondary {
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--border-input);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-page);
}

/* Action Button (Table Actions) */
.btn-action {
  background: var(--bg-page);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-action:hover:not(:disabled) {
  background: var(--border-light);
}

/* Success Button */
.btn-success {
  background: var(--status-active);
  color: white;
  border: none;
}

.btn-success:hover:not(:disabled) {
  filter: brightness(0.95);
}

/* Info Button */
.btn-info {
  background: var(--status-connected);
  color: white;
  border: none;
}

.btn-info:hover:not(:disabled) {
  filter: brightness(0.95);
}

/* Danger Button */
.btn-danger {
  background: var(--status-error);
  color: white;
  border: none;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.95);
}

/* Small Button */
.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

/* Large Button */
.btn-lg {
  padding: 12px 24px;
  font-size: var(--font-size-base);
}

/* Partner-branded Button (Customer-facing pages) */
.btn-partner {
  background: var(--partner-color, var(--primary));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  width: 100%;
}

.btn-partner:hover:not(:disabled) {
  filter: brightness(0.9);
}

/* ============================================
 * CARDS
 * ============================================ */

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header .card-title {
  margin: 0;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* Stat Card (Dashboard) */
.stat-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* ============================================
 * TABLES
 * ============================================ */

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  padding: 12px var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-light);
  background: transparent;
}

.table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.table tbody tr:hover {
  background: var(--bg-page);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Table Actions Cell */
.table-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ============================================
 * STATUS BADGES
 * ============================================ */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-active {
  background: var(--status-active-bg);
  color: var(--status-active);
}

.badge-connected {
  background: var(--status-connected-bg);
  color: var(--status-connected);
}

.badge-complete {
  background: var(--status-complete-bg);
  color: var(--status-complete);
}

.badge-received {
  background: var(--status-received-bg);
  color: var(--status-received);
}

.badge-paid {
  background: var(--status-paid-bg);
  color: var(--status-paid);
}

.badge-pending {
  background: var(--status-pending-bg);
  color: var(--status-pending);
}

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

/* ============================================
 * FORMS
 * ============================================ */

.form {
  width: 100%;
}

.form-section {
  margin-bottom: var(--spacing-xl);
}

.form-section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-label.required::after {
  content: ' *';
  color: var(--status-error);
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input:disabled {
  background: var(--bg-page);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-input.error {
  border-color: var(--status-error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px var(--status-error-bg);
}

/* Textarea */
textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

/* Select */
.form-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
}

/* Form Hints & Errors */
.form-hint {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.form-error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--status-error);
  margin-top: var(--spacing-xs);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 12px;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

/* Color Picker */
.color-picker {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.color-preview {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-input);
  flex-shrink: 0;
}

.color-input {
  width: 120px;
}

/* ============================================
 * MODALS
 * ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--spacing-lg);
}

.modal-overlay.hidden {
  display: none;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-lg {
  max-width: 800px;
}

.modal-sm {
  max-width: 400px;
}

.modal-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

/* ============================================
 * RESULTS DISPLAY (Modal)
 * ============================================ */

.results-header {
  background: var(--bg-page);
  padding: 12px var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.results-info {
  display: flex;
  gap: var(--spacing-lg);
  font-size: var(--font-size-sm);
  flex-wrap: wrap;
}

.results-ph {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.ph-value {
  font-size: 48px;
  font-weight: var(--font-weight-semibold);
  color: var(--primary);
  line-height: 1.2;
}

.ph-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.ph-scale {
  position: relative;
  height: 12px;
  border-radius: var(--radius-md);
  background: linear-gradient(to right, #f44336, #ffeb3b, #4caf50, #ffeb3b, #f44336);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.ph-marker {
  position: absolute;
  top: -4px;
  width: 20px;
  height: 20px;
  background: white;
  border: 3px solid var(--text-primary);
  border-radius: 50%;
  transform: translateX(-50%);
}

.ph-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.results-section {
  margin-bottom: var(--spacing-lg);
}

.results-section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

/* Nutrient Rows */
.nutrient-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.nutrient-name {
  width: 140px;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.nutrient-bar {
  flex: 1;
  height: 8px;
  background: var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.nutrient-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-sm);
}

.nutrient-value {
  width: 80px;
  text-align: right;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.nutrient-rating {
  width: 80px;
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.rating-low {
  color: var(--status-error);
}

.rating-medium {
  color: var(--status-pending);
}

.rating-high {
  color: var(--status-active);
}

.rating-very-high {
  color: var(--status-error);
}

/* ============================================
 * CUSTOMER-FACING PAGES (Partner Branded)
 * ============================================ */

.register-page {
  min-height: 100vh;
  background: var(--bg-page);
}

.register-header {
  background: white;
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.partner-logo {
  max-height: 60px;
  max-width: 200px;
}

.register-content {
  max-width: var(--form-max-width);
  margin: var(--spacing-2xl) auto;
  padding: 0 var(--spacing-lg);
}

.register-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.register-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.register-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.register-form {
  width: 100%;
}

.register-footer {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  background: var(--bg-page);
}

.success-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl) var(--spacing-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--status-active-bg);
  color: var(--status-active);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto var(--spacing-lg);
}

.success-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xl);
}

.ssf-display {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.ssf-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.ssf-id {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  font-family: monospace;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.ssf-barcode {
  margin-top: var(--spacing-sm);
}

.success-info {
  text-align: left;
  background: var(--bg-page);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.success-info p {
  margin: 0;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.success-info p:last-child {
  margin-bottom: 0;
}

.success-instructions {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================
 * LAYOUT UTILITIES
 * ============================================ */

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
  padding: var(--spacing-lg);
  max-width: var(--content-max-width);
  margin: 0 auto;
  width: 100%;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.page-header .page-title {
  margin: 0;
}

/* Grid for stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* Flex utilities */
.flex {
  display: flex;
}

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

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

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Margin utilities */
.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

/* ============================================
 * ALERT/NOTIFICATION BOXES
 * ============================================ */

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.alert-success {
  background: var(--status-active-bg);
  color: var(--status-active);
  border: 1px solid var(--status-active);
}

.alert-error {
  background: var(--status-error-bg);
  color: var(--status-error);
  border: 1px solid var(--status-error);
}

.alert-warning {
  background: var(--status-pending-bg);
  color: var(--status-pending);
  border: 1px solid var(--status-pending);
}

.alert-info {
  background: var(--status-connected-bg);
  color: var(--status-connected);
  border: 1px solid var(--status-connected);
}

/* ============================================
 * LOADING STATES
 * ============================================ */

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s linear infinite;
}

.loading-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

/* ============================================
 * EMPTY STATES
 * ============================================ */

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  margin-bottom: var(--spacing-lg);
}

/* ============================================
 * TABLE RESPONSIVE WRAPPER
 * ============================================ */

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table tbody tr.clickable {
  cursor: pointer;
}

/* ============================================
 * DETAILS GRID (Order/Submission Details)
 * ============================================ */

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.detail-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-row-full {
  display: flex;
  flex-direction: column;
  gap: 2px;
  grid-column: 1 / -1;
}

.detail-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-semibold);
}

.detail-value {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  word-break: break-word;
}

/* ============================================
 * TABS
 * ============================================ */

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 0;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

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

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-page);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: var(--spacing-xs);
}

.tab.active .tab-count {
  background: var(--primary-light);
  color: var(--primary);
}

/* ============================================
 * ACCESS CODE CARDS
 * ============================================ */

.codes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.code-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-value {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: 2px;
  color: var(--text-primary);
}

.code-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.code-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.code-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-xs);
}

.email-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.email-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.email-edit-form {
  display: flex;
  gap: var(--spacing-xs);
}

.email-input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-family: inherit;
}

.sent-badge,
.sent-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: var(--status-active);
  font-weight: var(--font-weight-medium);
}

.used-info {
  background: var(--bg-page);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.customer-info {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.generate-section {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.generate-form {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
  flex-wrap: wrap;
}

/* ============================================
 * LOGIN PAGES
 * ============================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-page);
  padding: var(--spacing-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-header h1 {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

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

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 400px;
}

.login-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.forgot-password {
  display: block;
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.forgot-password:hover {
  color: var(--primary);
}

/* ============================================
 * LANDING PAGE
 * ============================================ */

.landing-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--header-bg) 0%, #2d3748 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: white;
}

.landing-logo {
  font-size: 64px;
  margin-bottom: var(--spacing-md);
}

.landing-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.landing-tagline {
  font-size: var(--font-size-lg);
  opacity: 0.8;
  margin-bottom: var(--spacing-2xl);
}

.login-options {
  display: flex;
  gap: var(--spacing-lg);
  max-width: 600px;
  width: 100%;
}

.login-option-card {
  flex: 1;
  background: white;
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-left: 4px solid var(--primary);
}

.login-option-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.login-option-card.admin {
  border-left-color: var(--status-connected);
}

.login-option-card h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.login-option-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.landing-footer {
  margin-top: var(--spacing-2xl);
  font-size: var(--font-size-xs);
  opacity: 0.6;
}

.landing-footer a {
  color: white;
}

/* ============================================
 * PASSWORD FIELD WITH TOGGLE
 * ============================================ */

.password-field-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  padding: 4px 8px;
}

.password-toggle:hover {
  color: var(--text-primary);
}

.password-hint {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* ============================================
 * TEST EMAIL SECTION
 * ============================================ */

.test-email-section {
  background: var(--bg-page);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.test-email-row {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
  flex-wrap: wrap;
}

.test-result {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.test-result.success {
  background: var(--status-active-bg);
  color: var(--status-active);
}

.test-result.error {
  background: var(--status-error-bg);
  color: var(--status-error);
}

/* ============================================
 * FILTER BAR
 * ============================================ */

.filter-bar {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
  background: var(--bg-input);
}

/* ============================================
 * SAMPLE SECTIONS (Customer Registration)
 * ============================================ */

.sample-section {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.sample-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.sample-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--partner-color, var(--primary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.sample-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

/* Access code input styling */
.access-code-input {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: var(--font-size-lg);
  text-align: center;
}

.access-code-help {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* Product info display */
.product-info {
  background: var(--bg-page);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.product-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.product-quantity {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================
 * STAT CARD ICON VARIANTS
 * ============================================ */

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: var(--spacing-sm);
}

/* ============================================
 * SOIL HEALTH DISPLAY
 * ============================================ */

.soil-health-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

.soil-health-row:last-child {
  border-bottom: none;
}

.soil-health-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.soil-health-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* ============================================
 * INLINE CODE SNIPPET
 * ============================================ */

.inline-code {
  background: var(--bg-page);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: var(--font-size-xs);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

/* ============================================
 * ICON BUTTONS
 * ============================================ */

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

.btn-icon.btn-danger {
  color: var(--status-error);
}

.btn-icon.btn-danger:hover {
  background: var(--status-error-bg);
}

/* Button loading state */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* Copy button feedback */
.btn-copy.copied {
  background: var(--status-active-bg);
  color: var(--status-active);
  border-color: var(--status-active);
}

/* ============================================
 * ACCESSIBILITY
 * ============================================ */

/* Visible focus indicators */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  box-shadow: none;
}

/* Skip to main content link (hidden until focused) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ============================================
 * RESPONSIVE BREAKPOINTS
 * ============================================ */

/* Mobile */
@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .register-content {
    margin: var(--spacing-lg) auto;
    padding: 0 var(--spacing-md);
  }

  .register-card {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .modal {
    margin: var(--spacing-md);
    max-height: calc(100vh - var(--spacing-xl));
  }

  .modal-overlay {
    padding: var(--spacing-md);
  }

  .results-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .nutrient-row {
    flex-wrap: wrap;
  }

  .nutrient-name {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }

  .nutrient-bar {
    order: 1;
    width: 100%;
    flex: none;
    margin-top: var(--spacing-xs);
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .table-actions {
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-cards-row {
    grid-template-columns: 1fr;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

  .codes-grid {
    grid-template-columns: 1fr;
  }

  .login-options {
    flex-direction: column;
  }

  .generate-form {
    flex-direction: column;
    align-items: stretch;
  }

  .test-email-row {
    flex-direction: column;
    align-items: stretch;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .header-nav {
    gap: var(--spacing-sm);
  }

  .nav-link {
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
    /* Ensure minimum 44x44px touch target */
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-cards-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
 * TOAST NOTIFICATIONS
 * ============================================ */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid var(--border-light);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 420px;
  font-size: var(--font-size-sm);
  animation: toast-in 0.3s ease forwards;
}

.toast.toast-success { border-left: 4px solid var(--status-active); }
.toast.toast-error { border-left: 4px solid var(--status-error); }
.toast.toast-info { border-left: 4px solid var(--status-connected); }
.toast.toast-warning { border-left: 4px solid var(--status-pending); }

.toast.removing {
  animation: toast-out 0.3s ease forwards;
}

.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-message { flex: 1; }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px;
  flex-shrink: 0;
}

.toast-close:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(40px); }
}

/* ============================================
 * MICRO-INTERACTIONS
 * ============================================ */

/* Smooth transitions on interactive elements */
.btn {
  transition: background var(--transition-fast), border-color var(--transition-fast),
              transform 0.1s ease, box-shadow var(--transition-fast);
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

/* Card hover lift */
.stat-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Table row transition */
.table tbody tr {
  transition: background var(--transition-fast);
}

/* Link transitions */
a {
  transition: color var(--transition-fast);
}

/* Form input transitions */
.form-input, .form-select {
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* Badge subtle animation on hover */
.badge {
  transition: transform 0.15s ease;
}

.badge:hover {
  transform: scale(1.05);
}

/* ============================================
 * PRINT STYLES
 * ============================================ */

@media print {
  .header,
  .modal-overlay,
  .btn,
  .form-actions {
    display: none !important;
  }

  body {
    background: white;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}