/* ========================================
   TecDoc Category Page - Sidebar Layout
   ======================================== */

:root {
  /* Colors */
  --bg: #f4f5f8;
  --surface: #ffffff;
  --text: #1f2430;
  --text-secondary: #6a7283;
  --accent: #ba112e;
  --accent-soft: rgba(186, 17, 46, 0.1);
  --accent-hover: #a00f28;
  --border: #e2e5ec;
  --border-strong: #d1d5e0;
  
  /* Spacing */
  --header-height: 64px;
  --sidebar-width: 280px;
  --sidebar-collapsed: 60px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(23, 30, 44, 0.08);
  --shadow-md: 0 4px 16px rgba(23, 30, 44, 0.12);
  --shadow-lg: 0 8px 32px rgba(23, 30, 44, 0.16);
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition: 200ms ease;
}

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

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header__logo {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
}

.header__title {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.header__vehicle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--bg);
  border-radius: var(--radius-md);
  font-size: 13px;
}

.header__vehicle-badge {
  background: var(--accent);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.header__vehicle-name {
  color: var(--text-secondary);
  font-weight: 500;
}

.header__search {
  flex: 1;
  max-width: 400px;
  position: relative;
  margin-left: auto;
}

.header__search input {
  width: 100%;
  height: 42px;
  padding: 0 42px 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  transition: all var(--transition);
}

.header__search input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.header__search input::placeholder {
  color: var(--text-secondary);
}

.header__search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  pointer-events: none;
}

/* ========================================
   LAYOUT
   ======================================== */
.layout {
  display: flex;
  padding-top: var(--header-height);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
  position: fixed;
  left: 0;
  top: var(--header-height);
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition: width var(--transition);
}

.sidebar.is-collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar__title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.sidebar.is-collapsed .sidebar__title {
  display: none;
}

.sidebar__collapse {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.sidebar__collapse:hover {
  background: var(--bg);
  color: var(--text);
}

.sidebar__collapse svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--transition);
}

.sidebar.is-collapsed .sidebar__collapse svg {
  transform: rotate(180deg);
}

.sidebar__nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

/* Sidebar Group */
.sidebar__group {
  margin-bottom: 4px;
}

.sidebar__group-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: all var(--transition);
}

.sidebar__group-btn:hover {
  background: var(--bg);
}

.sidebar__group.is-active > .sidebar__group-btn {
  color: var(--accent);
  background: var(--accent-soft);
}

.sidebar__group-arrow {
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.sidebar__group.is-open > .sidebar__group-btn .sidebar__group-arrow {
  transform: rotate(90deg);
}

.sidebar__group-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--bg);
  display: grid;
  place-items: center;
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar__group-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__group-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 10px;
}

/* Sidebar Items */
.sidebar__group-items {
  display: none;
  list-style: none;
  padding: 4px 0 8px 54px;
}

.sidebar__group.is-open .sidebar__group-items {
  display: block;
}

.sidebar__item {
  margin-bottom: 2px;
}

.sidebar__item-link {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__item-link:hover {
  background: var(--bg);
  color: var(--text);
}

.sidebar__item-link.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

/* Collapsed sidebar */
.sidebar.is-collapsed .sidebar__group-name,
.sidebar.is-collapsed .sidebar__group-count,
.sidebar.is-collapsed .sidebar__group-arrow,
.sidebar.is-collapsed .sidebar__group-items {
  display: none;
}

.sidebar.is-collapsed .sidebar__group-btn {
  justify-content: center;
  padding: 10px;
}

.sidebar.is-collapsed .sidebar__group-icon {
  width: 36px;
  height: 36px;
  font-size: 16px;
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px 32px;
  transition: margin-left var(--transition);
  min-width: 0; /* Prevent flex item from overflowing */
  max-width: calc(100vw - var(--sidebar-width));
  overflow-x: hidden;
}

.sidebar.is-collapsed ~ .main {
  margin-left: var(--sidebar-collapsed);
  max-width: calc(100vw - var(--sidebar-collapsed));
}

/* ========================================
   QUICK ACCESS
   ======================================== */
.quick-access {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.quick-access__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.quick-access__title svg {
  width: 16px;
  height: 16px;
  fill: var(--accent);
}

.quick-access__items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-access__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}

.quick-access__item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-2px);
}

.quick-access__item-icon {
  font-size: 16px;
}

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb__separator {
  color: var(--border-strong);
}

.breadcrumb__current {
  color: var(--text);
  font-weight: 600;
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-header__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.section-header__count {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.section-header__controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* View Toggle */
.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.view-toggle__btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.view-toggle__btn:hover {
  color: var(--text);
}

.view-toggle__btn.is-active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.view-toggle__btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ========================================
   STATUS MESSAGE
   ======================================== */
.status {
  padding: 16px 20px;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.status[hidden] {
  display: none;
}

/* ========================================
   CARDS GRID
   ======================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: 100%;
  overflow: hidden;
}

.grid.is-list {
  grid-template-columns: 1fr;
}

/* ========================================
   CARD - Redesigned
   ======================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

/* Card Image - NEW DESIGN */
.card__image-wrapper {
  position: relative;
  height: 175px;
  background: linear-gradient(135deg, #f8f9fc 0%, #eef1f8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.card__image {
  max-width: 80%;
  max-height: 125px;
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--transition);
  /* Handle transparency - ensure image is visible on gradient background */
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.card__image.is-loaded {
  opacity: 1;
}

.card__initial {
  position: absolute;
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.15;
  pointer-events: none;
}

.card__image-wrapper[data-has-image="true"] .card__initial {
  display: none;
}

/* Card Content */
.card__content {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  line-height: 1.3;
  transition: color var(--transition);
}

.card__title:hover {
  color: var(--accent);
}

.card__count {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Card Items - Clean list without nested hierarchy */
.card__items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  max-height: 180px;
  overflow-y: auto;
}

.card__item {
  /* No nested styling needed */
}

.card__item-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin: 0 -12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  transition: all var(--transition);
}

.card__item-link::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.card__item-link:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.card__item-link:hover::before {
  opacity: 1;
}

/* Scrollbar for card items */
.card__items::-webkit-scrollbar {
  width: 6px;
}

.card__items::-webkit-scrollbar-track {
  background: transparent;
}

.card__items::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

.card__items::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ========================================
   LIST VIEW CARD
   ======================================== */
.grid.is-list .card {
  flex-direction: row;
}

.grid.is-list .card__image-wrapper {
  width: 150px;
  height: auto;
  min-height: 150px;
  border-bottom: none;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.grid.is-list .card__image {
  max-width: 70%;
  max-height: 90px;
}

.grid.is-list .card__initial {
  font-size: 32px;
}

.grid.is-list .card__content {
  flex: 1;
  padding: 16px 20px;
}

.grid.is-list .card__items {
  max-height: 100px;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
}

.grid.is-list .card__item-link {
  padding: 6px 12px;
  margin: 0;
  background: var(--bg);
  border-radius: 20px;
  font-size: 12px;
}

.grid.is-list .card__item-link::before {
  display: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1200px) {
  .main {
    padding: 20px 24px;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    width: var(--sidebar-collapsed);
  }
  
  .sidebar .sidebar__group-name,
  .sidebar .sidebar__group-count,
  .sidebar .sidebar__group-arrow,
  .sidebar .sidebar__group-items,
  .sidebar .sidebar__title {
    display: none;
  }
  
  .sidebar .sidebar__group-btn {
    justify-content: center;
    padding: 10px;
  }
  
  .sidebar .sidebar__group-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .main {
    margin-left: var(--sidebar-collapsed);
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0 16px;
  }
  
  .header__vehicle {
    display: none;
  }
  
  .header__search {
    max-width: none;
    flex: 1;
  }
  
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }
  
  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  
  .main {
    margin-left: 0;
    padding: 16px;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .quick-access {
    padding: 16px;
  }
  
  .quick-access__items {
    gap: 8px;
  }
  
  .quick-access__item {
    padding: 8px 12px;
    font-size: 12px;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeIn 0.3s ease forwards;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.3s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}