/* ============================================
   KLYENT DOCS — Documentation Styles
   Professional documentation layout
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- Variables --- */
:root {
  --doc-bg: #050510;
  --doc-bg-alt: #0a0a1a;
  --doc-surface: rgba(255, 255, 255, 0.03);
  --doc-surface-hover: rgba(255, 255, 255, 0.06);
  --doc-surface-active: rgba(139, 92, 246, 0.08);
  --doc-border: rgba(255, 255, 255, 0.08);
  --doc-border-hover: rgba(139, 92, 246, 0.3);
  --doc-text: #e8e8f0;
  --doc-text-secondary: #8888aa;
  --doc-text-muted: #555577;
  --doc-primary: #8b5cf6;
  --doc-primary-light: #a78bfa;
  --doc-accent: #06d6a0;
  --doc-cyan: #22d3ee;
  --doc-pink: #ec4899;
  --doc-yellow: #fbbf24;
  --doc-red: #ef4444;
  --doc-gradient: linear-gradient(135deg, #8b5cf6, #22d3ee, #06d6a0);
  --doc-gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #06d6a0 100%);
  --doc-sidebar-width: 280px;
  --doc-header-height: 64px;
  --doc-toc-width: 220px;
  --doc-font-heading: 'Outfit', sans-serif;
  --doc-font-body: 'Inter', sans-serif;
  --doc-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--doc-header-height) + 2rem);
}

body {
  font-family: var(--doc-font-body);
  background: var(--doc-bg);
  color: var(--doc-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--doc-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--doc-cyan);
}

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

ul, ol {
  list-style: none;
}

/* ============================================
   HEADER
   ============================================ */
.docs-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--doc-header-height);
  background: rgba(5, 5, 16, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--doc-border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.docs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
}

.docs-header__left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.docs-header__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--doc-font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--doc-text);
  text-decoration: none;
}

.docs-header__logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.docs-header__divider {
  width: 1px;
  height: 24px;
  background: var(--doc-border);
}

.docs-header__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--doc-primary-light);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  letter-spacing: 0.03em;
}

.docs-header__search {
  position: relative;
  width: 320px;
}

.docs-header__search-input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  color: var(--doc-text);
  font-family: var(--doc-font-body);
  font-size: 0.85rem;
  outline: none;
  transition: all 0.3s ease;
}

.docs-header__search-input::placeholder {
  color: var(--doc-text-muted);
}

.docs-header__search-input:focus {
  border-color: var(--doc-primary);
  background: rgba(139, 92, 246, 0.05);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.docs-header__search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--doc-text-muted);
  pointer-events: none;
}

.docs-header__search-shortcut {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--doc-text-muted);
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--doc-font-mono);
}

.docs-header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.docs-header__link {
  font-size: 0.85rem;
  color: var(--doc-text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

.docs-header__link:hover {
  color: var(--doc-text);
}

.docs-header__github {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--doc-text-secondary);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  transition: all 0.2s;
}

.docs-header__github:hover {
  color: var(--doc-text);
  border-color: var(--doc-border-hover);
  background: var(--doc-surface-hover);
}

/* Mobile sidebar toggle */
.docs-header__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--doc-text);
  cursor: pointer;
  padding: 0.5rem;
}

/* ============================================
   SIDEBAR
   ============================================ */
.docs-sidebar {
  position: fixed;
  top: var(--doc-header-height);
  left: 0;
  width: var(--doc-sidebar-width);
  height: calc(100vh - var(--doc-header-height));
  overflow-y: auto;
  padding: 1.5rem 0;
  border-right: 1px solid var(--doc-border);
  background: var(--doc-bg);
  z-index: 50;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}

.docs-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.docs-sidebar__section {
  margin-bottom: 1.5rem;
}

.docs-sidebar__title {
  font-family: var(--doc-font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-text-muted);
  padding: 0.5rem 1.5rem;
  margin-bottom: 0.25rem;
}

.docs-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.5rem;
  font-size: 0.88rem;
  color: var(--doc-text-secondary);
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  font-weight: 450;
}

.docs-sidebar__link:hover {
  color: var(--doc-text);
  background: var(--doc-surface-hover);
}

.docs-sidebar__link.active {
  color: var(--doc-primary-light);
  background: var(--doc-surface-active);
  border-left-color: var(--doc-primary);
  font-weight: 600;
}

.docs-sidebar__link-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.docs-sidebar__link-badge {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.docs-sidebar__link-badge--new {
  background: rgba(6, 214, 160, 0.15);
  color: var(--doc-accent);
}

.docs-sidebar__link-badge--beta {
  background: rgba(251, 191, 36, 0.15);
  color: var(--doc-yellow);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.docs-main {
  margin-left: var(--doc-sidebar-width);
  margin-top: var(--doc-header-height);
  min-height: calc(100vh - var(--doc-header-height));
  display: flex;
}

.docs-content {
  flex: 1;
  max-width: 820px;
  padding: 3rem 4rem;
}

/* ============================================
   ON-PAGE TABLE OF CONTENTS
   ============================================ */
.docs-toc {
  width: var(--doc-toc-width);
  position: sticky;
  top: calc(var(--doc-header-height) + 2rem);
  height: fit-content;
  max-height: calc(100vh - var(--doc-header-height) - 4rem);
  overflow-y: auto;
  padding: 2rem 1.5rem;
  border-left: 1px solid var(--doc-border);
}

.docs-toc__title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-text-muted);
  margin-bottom: 0.75rem;
}

.docs-toc__link {
  display: block;
  padding: 0.3rem 0;
  font-size: 0.8rem;
  color: var(--doc-text-muted);
  transition: color 0.2s;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
}

.docs-toc__link:hover {
  color: var(--doc-text-secondary);
}

.docs-toc__link.active {
  color: var(--doc-primary-light);
  border-left-color: var(--doc-primary);
}

.docs-toc__link--sub {
  padding-left: 1.5rem;
  font-size: 0.78rem;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.docs-content h1 {
  font-family: var(--doc-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  background: var(--doc-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.docs-content h2 {
  font-family: var(--doc-font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 3.5rem;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--doc-border);
  scroll-margin-top: calc(var(--doc-header-height) + 2rem);
}

.docs-content h2:first-of-type {
  border-top: none;
  margin-top: 2rem;
}

.docs-content h3 {
  font-family: var(--doc-font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  scroll-margin-top: calc(var(--doc-header-height) + 2rem);
}

.docs-content p {
  margin-bottom: 1.25rem;
  color: var(--doc-text-secondary);
  line-height: 1.8;
}

.docs-content > .doc-lead {
  font-size: 1.15rem;
  color: var(--doc-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* --- Lists --- */
.docs-content ul,
.docs-content ol {
  margin-bottom: 1.25rem;
  padding-left: 0;
}

.docs-content ul li,
.docs-content ol li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--doc-text-secondary);
}

.docs-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--doc-primary);
}

.docs-content ol {
  counter-reset: ol-counter;
}

.docs-content ol li {
  counter-increment: ol-counter;
}

.docs-content ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--doc-font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--doc-primary-light);
}

/* --- Code --- */
.docs-content code {
  font-family: var(--doc-font-mono);
  font-size: 0.85em;
  background: rgba(139, 92, 246, 0.1);
  color: var(--doc-primary-light);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  border: 1px solid rgba(139, 92, 246, 0.15);
}

.docs-content pre {
  margin-bottom: 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--doc-border);
  position: relative;
}

.docs-content pre code {
  display: block;
  padding: 1.25rem 1.5rem;
  background: rgba(10, 10, 26, 0.8);
  color: var(--doc-text);
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  border: none;
}

.code-block {
  position: relative;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--doc-border);
}

.code-block__lang {
  font-family: var(--doc-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--doc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block__copy {
  background: none;
  border: 1px solid var(--doc-border);
  color: var(--doc-text-muted);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--doc-font-body);
  transition: all 0.2s;
}

.code-block__copy:hover {
  color: var(--doc-text);
  border-color: var(--doc-primary);
  background: rgba(139, 92, 246, 0.1);
}

.code-block__copy.copied {
  color: var(--doc-accent);
  border-color: var(--doc-accent);
}

/* Syntax highlighting colors */
.token-keyword { color: #c084fc; }
.token-string { color: #34d399; }
.token-comment { color: #555577; font-style: italic; }
.token-function { color: #67e8f9; }
.token-number { color: #fbbf24; }
.token-property { color: #a78bfa; }
.token-operator { color: #94a3b8; }
.token-type { color: #f472b6; }
.token-url { color: #06d6a0; text-decoration: underline; }

/* --- Tables --- */
.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  overflow: hidden;
}

.docs-content thead {
  background: var(--doc-surface);
}

.docs-content th {
  text-align: left;
  padding: 0.85rem 1.2rem;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--doc-text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--doc-border);
}

.docs-content td {
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--doc-border);
  color: var(--doc-text-secondary);
}

.docs-content tr:last-child td {
  border-bottom: none;
}

.docs-content tbody tr:hover {
  background: var(--doc-surface-hover);
}

/* --- Callouts / Alerts --- */
.callout {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  border-left: 3px solid;
  font-size: 0.9rem;
}

.callout p {
  margin-bottom: 0;
  color: inherit;
}

.callout__title {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.callout--info {
  background: rgba(34, 211, 238, 0.06);
  border-color: var(--doc-cyan);
  color: #a5f3fc;
}

.callout--warning {
  background: rgba(251, 191, 36, 0.06);
  border-color: var(--doc-yellow);
  color: #fde68a;
}

.callout--success {
  background: rgba(6, 214, 160, 0.06);
  border-color: var(--doc-accent);
  color: #6ee7b7;
}

.callout--danger {
  background: rgba(239, 68, 68, 0.06);
  border-color: var(--doc-red);
  color: #fca5a5;
}

/* --- Endpoint badges --- */
.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  margin-bottom: 1rem;
  font-family: var(--doc-font-mono);
  font-size: 0.85rem;
}

.endpoint__method {
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.endpoint__method--get {
  background: rgba(6, 214, 160, 0.15);
  color: var(--doc-accent);
}

.endpoint__method--post {
  background: rgba(139, 92, 246, 0.15);
  color: var(--doc-primary-light);
}

.endpoint__method--put {
  background: rgba(251, 191, 36, 0.15);
  color: var(--doc-yellow);
}

.endpoint__method--delete {
  background: rgba(239, 68, 68, 0.15);
  color: var(--doc-red);
}

.endpoint__path {
  color: var(--doc-text-secondary);
}

/* --- Step cards --- */
.step-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--doc-border-hover);
  background: var(--doc-surface-hover);
}

.step-card__number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--doc-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--doc-font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  color: white;
  flex-shrink: 0;
}

.step-card__content h4 {
  font-family: var(--doc-font-heading);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.step-card__content p {
  color: var(--doc-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Param table --- */
.param-table {
  width: 100%;
  margin-bottom: 1.5rem;
}

.param-row {
  display: grid;
  grid-template-columns: 160px 90px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--doc-border);
  font-size: 0.9rem;
}

.param-row:last-child {
  border-bottom: none;
}

.param-name {
  font-family: var(--doc-font-mono);
  font-size: 0.85rem;
  color: var(--doc-primary-light);
  font-weight: 500;
}

.param-type {
  font-family: var(--doc-font-mono);
  font-size: 0.78rem;
  color: var(--doc-text-muted);
}

.param-desc {
  color: var(--doc-text-secondary);
}

.param-required {
  color: var(--doc-red);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

/* --- Version badge block --- */
.version-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  margin-bottom: 2rem;
  font-size: 0.85rem;
}

.version-badge {
  font-family: var(--doc-font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  background: var(--doc-gradient-primary);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.version-text {
  color: var(--doc-text-muted);
}

/* --- Page nav (prev/next) --- */
.docs-page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--doc-border);
}

.docs-page-nav__item {
  padding: 1.25rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.docs-page-nav__item:hover {
  border-color: var(--doc-border-hover);
  background: var(--doc-surface-hover);
}

.docs-page-nav__item--next {
  text-align: right;
}

.docs-page-nav__label {
  font-size: 0.75rem;
  color: var(--doc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.docs-page-nav__title {
  font-family: var(--doc-font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--doc-text);
}

/* ============================================
   FOOTER
   ============================================ */
.docs-footer {
  margin-left: var(--doc-sidebar-width);
  padding: 2rem 4rem;
  border-top: 1px solid var(--doc-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--doc-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .docs-toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s var(--ease-out-expo);
  }

  .docs-sidebar.active {
    transform: translateX(0);
    box-shadow: 20px 0 60px rgba(0, 0, 0, 0.5);
  }

  .docs-main {
    margin-left: 0;
  }

  .docs-footer {
    margin-left: 0;
    padding: 2rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .docs-content {
    padding: 2rem 1.5rem;
  }

  .docs-header__search {
    width: 200px;
  }

  .docs-header__toggle {
    display: block;
  }

  .docs-header__right .docs-header__link {
    display: none;
  }

  .param-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 600px) {
  .docs-header__search {
    display: none;
  }

  .docs-content h1 {
    font-size: 1.8rem;
  }

  .endpoint {
    flex-wrap: wrap;
    font-size: 0.78rem;
  }

  .docs-page-nav {
    grid-template-columns: 1fr;
  }
}