/**
 * OilWidget - Легкий, изолированный CSS для виджета подбора масла и заказа
 * Размер: ~10 КБ, чистый CSS без зависимостей, Mobile-First
 * Адаптирован под цветовую палитру сайта «Автосклад СПб»
 */

:root {
  /* Темная тема и оранжевые акценты по умолчанию */
  --ow-bg: #0a0c12;
  --ow-card-bg: #121620;
  --ow-border: rgba(255, 255, 255, 0.08);
  --ow-border-hover: rgba(244, 93, 11, 0.4);
  --ow-text-main: #f1f5f9;
  --ow-text-muted: #94a3b8;
  --ow-text-light: #64748b;
  
  /* Фирменный оранжевый цвет Автосклад СПб */
  --ow-primary: #f45d0b;
  --ow-primary-hover: #d64805;
  --ow-primary-light: rgba(244, 93, 11, 0.12);
  --ow-accent: #f45d0b;
  --ow-accent-light: rgba(244, 93, 11, 0.15);
  
  --ow-success: #2ecc71;
  --ow-success-light: rgba(46, 204, 113, 0.12);
  --ow-danger: #dc2626;
  --ow-radius: 12px;
  --ow-radius-sm: 8px;
  --ow-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --ow-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.7);
  --ow-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Dark mode support - Автосклад СПб style */
#oil-widget[data-theme="dark"],
.oil-widget-container[data-theme="dark"],
.ow-dark {
  --ow-bg: #0a0c12;
  --ow-card-bg: #121620;
  --ow-border: rgba(255, 255, 255, 0.08);
  --ow-border-hover: rgba(244, 93, 11, 0.4);
  --ow-text-main: #f1f5f9;
  --ow-text-muted: #94a3b8;
  --ow-text-light: #64748b;
  --ow-primary: #f45d0b;
  --ow-primary-hover: #d64805;
  --ow-primary-light: rgba(244, 93, 11, 0.14);
  --ow-accent: #f45d0b;
  --ow-accent-light: rgba(244, 93, 11, 0.15);
  --ow-success: #2ecc71;
  --ow-success-light: rgba(46, 204, 113, 0.12);
  --ow-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --ow-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.7);
}

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

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

/* Header */
.ow-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(--ow-border);
}

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

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

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

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

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

.ow-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--ow-card-bg);
  border: 1px solid var(--ow-border);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ow-text-muted);
}

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

/* Tabs */
.ow-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  background: var(--ow-card-bg);
  padding: 4px;
  border-radius: var(--ow-radius-sm);
  border: 1px solid var(--ow-border);
}

.ow-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ow-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.ow-tab-btn:hover {
  color: var(--ow-text-main);
}

.ow-tab-btn.ow-active {
  background: var(--ow-bg);
  color: var(--ow-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ow-tab-icon {
  width: 16px;
  height: 16px;
}

.ow-tab-tag {
  background: var(--ow-primary-light);
  color: var(--ow-primary);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  margin-left: 4px;
}

/* Fields & Selects */
.ow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

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

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

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

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

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

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

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

.ow-select:focus,
.ow-input:focus {
  border-color: var(--ow-primary);
  box-shadow: 0 0 0 3px var(--ow-primary-light);
  background: var(--ow-bg);
}

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

/* Result Card */
.ow-result-card {
  background: var(--ow-card-bg);
  border: 1px solid var(--ow-border);
  border-radius: var(--ow-radius);
  padding: 20px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}

.ow-result-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.ow-result-heading {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--ow-primary);
}

.ow-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ow-primary-light);
  color: var(--ow-primary);
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(244, 93, 11, 0.2);
}

.ow-spec-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.ow-spec-box {
  background: var(--ow-bg);
  border: 1px solid var(--ow-border);
  border-radius: var(--ow-radius-sm);
  padding: 12px 14px;
}

.ow-spec-box-label {
  font-size: 11px;
  color: var(--ow-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.ow-spec-box-val {
  font-size: 17px;
  font-weight: 700;
  color: var(--ow-primary);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.ow-spec-box-sub {
  font-size: 12px;
  font-weight: normal;
  color: var(--ow-text-muted);
  margin-top: 2px;
}

/* Recommended Oils Grid */
.ow-oils-selection {
  margin-bottom: 18px;
}

.ow-oils-header {
  margin-bottom: 10px;
}

.ow-oils-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ow-text-muted);
}

.ow-oils-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}

.ow-oil-card {
  background: var(--ow-bg);
  border: 1px solid var(--ow-border);
  border-radius: var(--ow-radius-sm);
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.ow-oil-card.ow-oil-selected {
  border-color: var(--ow-primary);
  background: var(--ow-primary-light);
  box-shadow: 0 0 0 1px var(--ow-primary);
}

.ow-oil-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.ow-oil-brand-logo {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ow-primary);
}

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

.ow-oil-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ow-text-main);
  margin-bottom: 4px;
  line-height: 1.3;
}

.ow-oil-tag {
  font-size: 11px;
  color: var(--ow-text-muted);
  margin-bottom: 10px;
}

.ow-oil-order-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 6px 10px;
  background: var(--ow-card-bg);
  border: 1px solid var(--ow-border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ow-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.ow-oil-card:hover .ow-oil-order-btn {
  background: var(--ow-primary);
  color: #ffffff;
  border-color: var(--ow-primary);
}

.ow-oil-order-btn svg {
  width: 14px;
  height: 14px;
}

.ow-result-desc {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--ow-text-muted);
  line-height: 1.6;
}

/* Action CTA Button */
.ow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: var(--ow-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  border: none;
  text-decoration: none;
}

.ow-btn-primary {
  background: var(--ow-primary);
  color: #ffffff;
  width: 100%;
}

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

.ow-btn-primary:active {
  transform: translateY(1px);
}

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

/* Order Summary Banner in Tab 2 */
.ow-order-summary-box {
  background: var(--ow-primary-light);
  border: 1px solid rgba(244, 93, 11, 0.25);
  border-radius: var(--ow-radius-sm);
  padding: 12px 14px;
  margin-bottom: 4px;
}

.ow-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.ow-summary-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ow-primary);
}

.ow-summary-change-btn {
  background: none;
  border: none;
  color: var(--ow-primary);
  font-size: 12px;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.ow-summary-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--ow-text-main);
}

.ow-summary-oil {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.ow-summary-tag {
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--ow-text-muted);
}

/* VIN & Phone Tab Styling */
.ow-vin-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ow-vin-info-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: var(--ow-card-bg);
  border-radius: var(--ow-radius-sm);
  border: 1px solid var(--ow-border);
  font-size: 13px;
}

.ow-vin-info-icon {
  width: 20px;
  height: 20px;
  color: var(--ow-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

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

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

.ow-channels {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

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

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

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

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

.ow-channels label:hover span {
  border-color: var(--ow-border-hover);
  color: var(--ow-text-main);
}

.ow-vin-input {
  font-family: monospace;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

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

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

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

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

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

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

.ow-success-desc {
  margin: 0 auto 20px;
  font-size: 14px;
  color: var(--ow-text-muted);
  max-width: 480px;
  line-height: 1.6;
}

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

.ow-reset-btn:hover {
  border-color: var(--ow-text-main);
}

/* Spinner */
.ow-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: ow-spin 0.8s linear infinite;
}

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

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

@media (max-width: 640px) {
  #oil-widget,
  .oil-widget-container {
    padding: 16px;
  }

  .ow-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .ow-tabs {
    flex-direction: column;
  }

  .ow-oils-grid {
    grid-template-columns: 1fr;
  }

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

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