/**
 * BrakesWidget - Изолированный CSS для виджета подбора тормозных колодок
 * Чистый CSS без сторонних библиотек, Mobile-First
 * Стиль Автосклад СПб (#0a0c12 / #121620 / #f45d0b)
 */

:root {
  --bw-bg: #ffffff;
  --bw-card-bg: #f8fafc;
  --bw-border: #e2e8f0;
  --bw-border-hover: #cbd5e1;
  --bw-text-main: #0f172a;
  --bw-text-muted: #64748b;
  --bw-text-light: #94a3b8;
  --bw-primary: #f45d0b;
  --bw-primary-hover: #d64805;
  --bw-primary-light: rgba(244, 93, 11, 0.1);
  --bw-success: #16a34a;
  --bw-success-light: #f0fdf4;
  --bw-danger: #dc2626;
  --bw-radius: 12px;
  --bw-radius-sm: 8px;
  --bw-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --bw-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

#brakes-widget[data-theme="dark"],
.brakes-widget-container[data-theme="dark"],
.bw-dark {
  --bw-bg: #0a0c12;
  --bw-card-bg: #121620;
  --bw-border: rgba(255, 255, 255, 0.08);
  --bw-border-hover: rgba(244, 93, 11, 0.4);
  --bw-text-main: #f1f5f9;
  --bw-text-muted: #94a3b8;
  --bw-text-light: #64748b;
  --bw-primary: #f45d0b;
  --bw-primary-hover: #d64805;
  --bw-primary-light: rgba(244, 93, 11, 0.14);
  --bw-success: #2ecc71;
  --bw-success-light: rgba(46, 204, 113, 0.12);
}

#brakes-widget,
.brakes-widget-container {
  font-family: var(--bw-font);
  background: var(--bw-bg);
  color: var(--bw-text-main);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius);
  box-shadow: var(--bw-shadow);
  padding: 24px;
  box-sizing: border-box;
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

#brakes-widget *,
.brakes-widget-container * {
  box-sizing: border-box;
}

/* Header */
.bw-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--bw-border);
}

.bw-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bw-brand-icon {
  width: 40px;
  height: 40px;
  background: var(--bw-primary-light);
  color: var(--bw-primary);
  border-radius: var(--bw-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bw-brand-icon svg {
  width: 22px;
  height: 22px;
}

.bw-main-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bw-text-main);
}

.bw-sub-title {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--bw-text-muted);
}

.bw-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--bw-text-muted);
}

.bw-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bw-success);
}

/* Car Note */
.bw-car-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bw-primary-light);
  border: 1px solid rgba(244, 93, 11, 0.2);
  border-radius: var(--bw-radius-sm);
  font-size: 13px;
  color: var(--bw-text-main);
  margin-bottom: 20px;
}

.bw-car-note svg {
  width: 18px;
  height: 18px;
  color: var(--bw-primary);
  flex-shrink: 0;
}

/* Sections */
.bw-section {
  margin-bottom: 22px;
}

.bw-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.bw-section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--bw-text-main);
  display: block;
  margin-bottom: 8px;
}

.bw-section-hint {
  font-size: 12px;
  color: var(--bw-text-muted);
}

/* Axis Buttons */
.bw-axis-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.bw-axis-btn {
  position: relative;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-sm);
  padding: 12px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bw-axis-btn:hover {
  border-color: var(--bw-primary);
}

.bw-axis-btn.bw-axis-active {
  background: var(--bw-primary-light);
  border-color: var(--bw-primary);
  box-shadow: 0 0 0 1px var(--bw-primary);
}

.bw-axis-badge {
  position: absolute;
  top: -9px;
  background: var(--bw-success);
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  padding: 1px 7px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.bw-axis-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--bw-text-main);
  margin-bottom: 2px;
}

.bw-axis-btn.bw-axis-active .bw-axis-title {
  color: var(--bw-primary);
}

.bw-axis-sub {
  font-size: 11px;
  color: var(--bw-text-muted);
}

/* Segments Grid */
.bw-segments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.bw-segment-card {
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-sm);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bw-segment-card:hover {
  border-color: var(--bw-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.bw-segment-card.bw-segment-active {
  background: var(--bw-primary-light);
  border-color: var(--bw-primary);
  box-shadow: 0 0 0 1px var(--bw-primary);
}

.bw-segment-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.bw-segment-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--bw-text-main);
}

.bw-segment-active .bw-segment-name {
  color: var(--bw-primary);
}

.bw-segment-check {
  font-size: 10px;
  font-weight: 700;
  color: var(--bw-success);
  background: var(--bw-success-light);
  padding: 2px 6px;
  border-radius: 4px;
}

.bw-segment-tag {
  font-size: 11px;
  color: var(--bw-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.bw-segment-brands {
  font-size: 12px;
  color: var(--bw-text-main);
  background: var(--bw-bg);
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--bw-border);
  margin-bottom: 8px;
  line-height: 1.4;
}

.bw-segment-brands strong {
  color: var(--bw-text-muted);
  font-size: 11px;
}

.bw-segment-desc {
  font-size: 12px;
  color: var(--bw-text-muted);
  line-height: 1.5;
  margin: 0 0 12px;
  flex-grow: 1;
}

.bw-segment-btn {
  width: 100%;
  padding: 7px 10px;
  background: var(--bw-bg);
  border: 1px solid var(--bw-border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--bw-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.bw-segment-card:hover .bw-segment-btn,
.bw-segment-active .bw-segment-btn {
  background: var(--bw-primary);
  color: #ffffff;
  border-color: var(--bw-primary);
}

/* Up-sell Options (Checkboxes) */
.bw-upsell-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bw-checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.bw-checkbox-item:hover {
  border-color: var(--bw-border-hover);
}

.bw-checkbox-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.bw-checkbox-box {
  width: 18px;
  height: 18px;
  border: 1px solid var(--bw-border-hover);
  border-radius: 4px;
  background: var(--bw-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.15s ease;
}

.bw-checkbox-item input:checked + .bw-checkbox-box {
  background: var(--bw-primary);
  border-color: var(--bw-primary);
}

.bw-checkbox-item input:checked + .bw-checkbox-box::after {
  content: '✓';
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
}

.bw-checkbox-content {
  flex-grow: 1;
}

.bw-checkbox-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--bw-text-main);
  line-height: 1.4;
}

.bw-checkbox-desc {
  font-size: 12px;
  color: var(--bw-text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

/* Trust Box */
.bw-trust-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-left: 3px solid var(--bw-primary);
  border-radius: var(--bw-radius-sm);
  margin-bottom: 20px;
}

.bw-trust-icon {
  width: 24px;
  height: 24px;
  color: var(--bw-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.bw-trust-text strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--bw-text-main);
  margin-bottom: 4px;
}

.bw-trust-text p {
  margin: 0;
  font-size: 12px;
  color: var(--bw-text-muted);
  line-height: 1.5;
}

/* Fields & Grid */
.bw-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.bw-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bw-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--bw-text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bw-label-hint {
  font-size: 11px;
  color: var(--bw-text-muted);
  font-weight: normal;
}

.bw-select-wrap,
.bw-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.bw-select,
.bw-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-sm);
  color: var(--bw-text-main);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.bw-select {
  appearance: none;
  padding-right: 36px;
  cursor: pointer;
}

.bw-select:hover,
.bw-input:hover {
  border-color: var(--bw-border-hover);
}

.bw-select:focus,
.bw-input:focus {
  border-color: var(--bw-primary);
  background: var(--bw-bg);
}

.bw-select-arrow {
  position: absolute;
  right: 12px;
  width: 16px;
  height: 16px;
  color: var(--bw-text-muted);
  pointer-events: none;
}

.bw-vin-input {
  font-family: monospace;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bw-vin-counter {
  position: absolute;
  right: 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--bw-text-muted);
}

.bw-vin-counter.bw-valid {
  color: var(--bw-success);
}

.bw-has-error {
  border-color: var(--bw-danger) !important;
}

.bw-field-error {
  font-size: 12px;
  color: var(--bw-danger);
  margin-top: 2px;
}

/* Channels */
.bw-channels-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--bw-text-main);
  margin-bottom: 8px;
  display: block;
}

.bw-channels-label b {
  color: var(--bw-primary);
}

.bw-channels {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.bw-channels label {
  position: relative;
  cursor: pointer;
}

.bw-channels input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.bw-channels span {
  display: inline-block;
  padding: 7px 14px;
  background: var(--bw-card-bg);
  border: 1px solid var(--bw-border);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bw-text-muted);
  transition: all 0.15s ease;
}

.bw-channels input:checked + span {
  background: var(--bw-primary-light);
  border-color: var(--bw-primary);
  color: var(--bw-primary);
}

/* Buttons */
.bw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: var(--bw-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  border: none;
  text-decoration: none;
  width: 100%;
}

.bw-btn-primary {
  background: var(--bw-primary);
  color: #ffffff;
}

.bw-btn-primary:hover {
  background: var(--bw-primary-hover);
  box-shadow: 0 4px 14px rgba(244, 93, 11, 0.35);
}

.bw-btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.bw-disclaimer {
  font-size: 12px;
  color: var(--bw-text-muted);
  text-align: center;
  margin: 10px 0 0;
  line-height: 1.5;
}

.bw-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: bw-spin 0.8s linear infinite;
}

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

/* Success Alert */
.bw-success-alert {
  text-align: center;
  padding: 36px 20px;
  background: var(--bw-card-bg);
  border-radius: var(--bw-radius);
  border: 1px solid var(--bw-border);
}

.bw-success-icon {
  width: 48px;
  height: 48px;
  color: var(--bw-success);
  margin: 0 auto 16px;
  display: block;
}

.bw-success-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--bw-text-main);
}

.bw-success-desc {
  margin: 0 auto 20px;
  font-size: 14px;
  color: var(--bw-text-muted);
  max-width: 500px;
  line-height: 1.6;
}

.bw-reset-btn {
  background: transparent;
  border: 1px solid var(--bw-border);
  color: var(--bw-text-main);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

/* Footer */
.bw-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--bw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  color: var(--bw-text-muted);
}

@media (max-width: 680px) {
  #brakes-widget,
  .brakes-widget-container {
    padding: 16px;
  }

  .bw-axis-buttons,
  .bw-segments-grid {
    grid-template-columns: 1fr;
  }

  .bw-channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .bw-channels span {
    text-align: center;
  }
}