@font-face {
  font-family: "Manrope";
  src: url("../fonts/Manrope-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("../fonts/Manrope-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("../fonts/Manrope-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("../fonts/Manrope-ExtraBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg-primary: #ffffff;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f1ee;
  --text-primary: #171717;
  --text-secondary: #777a82;
  --accent: rgb(184, 132, 24);
  --accent-hover: rgb(158, 110, 15);
  --border-color: #e7e4de;
  --shadow: 0 8px 25px rgba(23, 23, 23, 0.08);
  --radius-large: 24px;
  --radius-medium: 16px;
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg-primary: #12231f;
  --bg-secondary: #162b26;
  --bg-tertiary: #203a34;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --border-color: #355149;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

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

html,
body {
  min-width: 320px;
  height: 100%;
  overflow: hidden;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--text-primary);
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  background: var(--bg-primary);
  transition: color var(--transition), background-color var(--transition);
}

button,
input {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

[hidden] {
  display: none !important;
}

.app-container {
  display: flex;
  width: 100vw;
  max-width: none;
  height: 100vh;
  max-height: none;
  overflow: hidden;
  border-radius: 0;
  background: var(--bg-secondary);
  box-shadow: none;
}

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: flex;
  flex: 0 0 260px;
  flex-direction: column;
  width: 260px;
  padding: 20px 0;
  border-right: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transform: translateX(-100%);
  transition: transform var(--transition), background-color var(--transition);
}

.sidebar.is-open {
  transform: translateX(0);
}

.sidebar-header {
  padding: 0 20px 20px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.brand-logo {
  color: var(--accent);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-group,
.sidebar-link {
  width: 100%;
  border: 0;
  color: var(--text-secondary);
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.sidebar-group {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
}

.sidebar-group span {
  flex: 1;
}

.sidebar-group:hover,
.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.arrow-icon {
  width: 15px;
  height: 15px;
  margin-left: auto;
  transition: transform 0.2s ease;
}

.has-submenu.open > .sidebar-group .arrow-icon {
  transform: rotate(90deg);
}

.submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.has-submenu.open > .submenu {
  max-height: 320px;
}

.sidebar-link {
  padding: 10px 20px 10px 55px;
  font-size: 14px;
  border-left: 3px solid transparent;
}

.sidebar-link.active {
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

.sidebar-admin {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-left: 3px solid transparent;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.sidebar-admin:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.main-content-wrapper {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
}

.app-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  min-height: 75px;
  padding: 15px 30px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-left: auto;
}

.icon-button {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: var(--transition);
}

.icon-button:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(15deg);
}

.sidebar-toggle {
  display: flex;
  border: 0;
  color: var(--text-primary);
  background: transparent;
}

.sidebar-toggle:hover {
  transform: none;
}

.content-scroll {
  flex: 1;
  min-height: 0;
  padding: 30px;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--bg-primary);
}

.page-title {
  padding-bottom: 15px;
  margin-bottom: 25px;
  border-bottom: 1px solid var(--border-color);
  font-size: 28px;
  font-weight: 800;
}

.knowledge-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: start;
  gap: 25px;
  max-width: 100%;
}

.categories-sidebar {
  position: sticky;
  top: 0;
}

.categories-card {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  background: var(--bg-secondary);
}

.search-field {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 132, 24, 0.2);
}

.search-field input {
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--text-primary);
  background: transparent;
}

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

.search-field kbd {
  padding: 1px 5px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font: 500 11px/18px "Manrope", sans-serif;
}

.categories-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.category-button {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 0;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-button:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.category-button.active {
  color: #ffffff;
  font-weight: 700;
  background: var(--accent);
}

.category-button b {
  padding: 4px 8px;
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 11px;
  background: var(--bg-primary);
}

.category-button.active b {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
}

.content-area {
  min-width: 0;
  max-width: 100%;
}

.kb-category-block {
  margin-bottom: 30px;
}

.kb-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.kb-category-header svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.kb-category-header h2 {
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 700;
}

.accordions-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.accordion {
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-left: 3px solid transparent;
  border-radius: var(--radius-medium);
  background: var(--bg-secondary);
  transition: all var(--transition);
}

.accordion:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.accordion.active {
  border-left-color: var(--accent);
  transform: none;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 20px;
  border: 0;
  color: var(--text-primary);
  text-align: left;
  background: var(--bg-secondary);
  cursor: pointer;
}

.accordion-header strong {
  font-size: 16px;
  font-weight: 700;
}

.accordion-header > svg {
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}

.accordion.active .accordion-header > svg {
  color: var(--accent);
  transform: rotate(90deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease-out, opacity 0.25s ease;
}

.accordion.active .accordion-content {
  opacity: 1;
}

.article-content {
  min-width: 0;
  max-width: 100%;
  padding: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  background: var(--bg-tertiary);
}

.article-content > * + * {
  margin-top: 20px;
}

.article-content p {
  margin: 0;
}

.article-content a:not(.button-primary) {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content h3 {
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 700;
}

.article-lead {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
}

.step-list {
  display: grid;
  gap: 12px;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
}

.step-list li > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  background: var(--accent);
}

.step-list strong,
.check-list strong,
.data-table strong,
.faq-list strong {
  color: var(--text-primary);
}

.step-list strong {
  display: block;
  margin-bottom: 3px;
}

.article-image img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #ffffff;
}

.article-image figcaption {
  margin-top: 7px;
  font-size: 12px;
}

.check-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
}

.check-list svg {
  width: 17px;
  height: 17px;
  margin-top: 3px;
  color: var(--accent);
}

.data-table {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
}

.table-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) minmax(0, 1fr);
  gap: 15px;
  padding: 11px 13px;
}

.table-row + .table-row {
  border-top: 1px solid var(--border-color);
}

.table-head {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 700;
}

.article-actions {
  display: flex;
  gap: 12px;
}

.button-primary {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  background: var(--accent);
  transition: all 0.2s ease;
}

.button-primary:hover {
  color: #ffffff;
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.checklist-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 25px;
}

.checklist-columns > * + * {
  margin-top: 0;
}

.faq-list > div {
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.faq-list > div + div {
  padding-top: 15px;
}

.faq-list > div p {
  margin-top: 4px;
}

.kb-empty {
  padding: 55px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-secondary);
}

.kb-empty svg {
  width: 32px;
  height: 32px;
  color: var(--accent);
}

.kb-empty h2 {
  margin: 12px 0 5px;
  color: var(--text-primary);
  font-size: 20px;
}

.scroll-to-top {
  position: fixed;
  z-index: 50;
  right: 30px;
  bottom: 30px;
  display: flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  color: #ffffff;
  background: var(--accent);
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}

.scroll-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
}

.sidebar-overlay {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: block;
  visibility: hidden;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.is-open {
  visibility: visible;
  opacity: 1;
}

@media (max-width: 1200px) {
  .knowledge-layout {
    grid-template-columns: 250px minmax(0, 1fr);
  }
}

@media (max-width: 1180px) {
  .knowledge-layout {
    grid-template-columns: 1fr;
  }

  .categories-sidebar {
    position: static;
  }
}

@media (max-width: 840px) {
  .app-container {
    width: 100vw;
    height: 100vh;
  }
}

@media (max-width: 768px) {
  body {
    padding: 0;
  }

  .app-container {
    width: 100vw;
    height: 100vh;
    max-height: none;
    border-radius: 0;
  }

  .app-header {
    min-height: 68px;
    padding: 12px 20px;
  }

  .content-scroll {
    padding: 20px;
  }

  .page-title {
    font-size: 24px;
  }

  .categories-card {
    padding: 16px;
  }

  .categories-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-button:first-child {
    grid-column: 1 / -1;
  }

  .accordion-header {
    padding: 16px;
  }

  .article-content {
    padding: 16px;
  }

  .table-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .table-head {
    display: none;
  }

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

  .scroll-to-top {
    right: 20px;
    bottom: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 460px) {
  .categories-list {
    grid-template-columns: 1fr;
  }

  .category-button:first-child {
    grid-column: auto;
  }
}

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