/* ==========================================================================
   AVTO.ARENDA — Панель администратора
   Корпоративный минимализм, строгая сетка, функциональность
   ========================================================================== */

:root {
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #0f172a;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverted: #ffffff;

  --accent-primary: #0f172a;
  --accent-hover: #1e293b;

  --status-avail-bg: #ecfdf5;
  --status-avail-text: #065f46;
  --status-busy-bg: #f1f5f9;
  --status-busy-text: #64748b;

  --error-color: #b91c1c;
  --error-bg: #fef2f2;
  --success-color: #15803d;
  --success-bg: #f0fdf4;

  --radius-sm: 2px;
  --radius-md: 4px;

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-width: 1040px;
  --transition-speed: 0.18s;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Типографика и кнопки
   -------------------------------------------------------------------------- */
h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.admin-container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--text-inverted);
  border-color: var(--accent-primary);
}

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

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

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

.btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background-color: var(--border-color);
}

.btn-danger {
  background-color: transparent;
  color: var(--error-color);
  border-color: #fecaca;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--error-bg);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 0.9375rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Экран авторизации (Login)
   -------------------------------------------------------------------------- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-color: var(--bg-page);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 32px;
}

.login-header {
  margin-bottom: 28px;
}

.login-brand {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-footer {
  margin-top: 24px;
  text-align: center;
}

.login-back-link {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.login-back-link:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Верхняя панель (Admin Header)
   -------------------------------------------------------------------------- */
.admin-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.admin-brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.admin-company-tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --------------------------------------------------------------------------
   Основной макет админки
   -------------------------------------------------------------------------- */
.admin-main {
  padding: 36px 0 120px;
}

.admin-section {
  margin-bottom: 40px;
}

.section-title-wrap {
  margin-bottom: 16px;
}

.admin-section-title {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.admin-section-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.admin-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

/* --------------------------------------------------------------------------
   Карточки автомобилей в админке
   -------------------------------------------------------------------------- */
.cars-admin-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.car-admin-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: grid;
  grid-template-columns: 220px 140px 140px 150px 140px;
  gap: 16px;
  align-items: center;
  transition: border-color var(--transition-speed) ease;
}

@media (max-width: 960px) {
  .car-admin-card {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .car-admin-card {
    grid-template-columns: 1fr;
  }
}

/* Дополнительные услуги в админке */
.services-admin-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.service-admin-item {
  display: grid;
  grid-template-columns: 40px 220px 140px 120px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

@media (max-width: 860px) {
  .service-admin-item {
    grid-template-columns: 40px 1fr;
  }
}

.service-icon-box {
  font-size: 1.5rem;
  text-align: center;
}

.service-title {
  font-size: 0.9375rem;
  font-weight: 600;
}

.service-desc-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Журнал изменений */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.changelog-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

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

.changelog-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  background-color: #e2e8f0;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.changelog-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.changelog-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.changelog-items {
  margin-left: 20px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.car-admin-meta {
  display: flex;
  flex-direction: column;
}

.car-admin-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.car-admin-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.car-admin-input-group {
  display: flex;
  flex-direction: column;
}

.car-admin-input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

/* Переключатель статуса Доступен / Занят */
.toggle-switch-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.toggle-switch-wrapper .toggle-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.switch-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.switch-input {
  appearance: none;
  width: 44px;
  height: 24px;
  background-color: #cbd5e1;
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

.switch-input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-speed) ease;
}

.switch-input:checked {
  background-color: var(--accent-primary);
}

.switch-input:checked::after {
  transform: translateX(20px);
}

.switch-status-text {
  font-size: 0.875rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Формы и поля ввода
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 20px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-speed) ease;
}

.form-control:focus {
  border-color: var(--border-focus);
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.field-error {
  font-size: 0.8125rem;
  color: var(--error-color);
  margin-top: 4px;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 640px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.input-with-label {
  position: relative;
}

.input-with-label .input-unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8125rem;
  color: var(--text-muted);
  pointer-events: none;
}

.custom-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.custom-checkbox {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.checkbox-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

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

/* --------------------------------------------------------------------------
   Таблица районов доставки
   -------------------------------------------------------------------------- */
.districts-manager {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

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

.subheading {
  font-size: 1rem;
}

.districts-table-wrap {
  overflow-x: auto;
}

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

.districts-table th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
}

.districts-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Баннеры статуса
   -------------------------------------------------------------------------- */
.alert-banner {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 24px;
  border: 1px solid transparent;
}

.alert-success {
  background-color: var(--success-bg);
  border-color: #bbf7d0;
  color: var(--success-color);
}

.alert-error {
  background-color: var(--error-bg);
  border-color: #fecaca;
  color: var(--error-color);
}

/* --------------------------------------------------------------------------
   Плавающая панель сохранения внизу
   -------------------------------------------------------------------------- */
.admin-save-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--border-color);
  padding: 14px 0;
  z-index: 50;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.04);
}

.save-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.save-status-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Утилиты
   -------------------------------------------------------------------------- */
.is-hidden {
  display: none !important;
}