/* docs/docs.css */

/* ─── Reset & Variables ──────────────────────────────────────────────────── */

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

:root {
  /* IDE palette — keep in sync with style.css */
  --bg-primary:    #1E1E2E;
  --bg-secondary:  #181825;
  --bg-code:       #151520;
  --bg-header:     #11111B;
  --bg-editor:     #11111a;
  --bg-terminal:   #090913;
  --text-primary:  #CDD6F4;
  --text-secondary:#A6ADC8;
  --text-dim:      #6C7086;
  --accent:        #576d91;
  --green:         #598156;
  --red:           #F38BA8;
  --yellow:        #F9E2AF;
  --border:        #313244;
  --scrollbar-thumb:       #45475A;
  --scrollbar-thumb-hover: #6C7086;

  /* Syntax colours (same as IDE) */
  --hl-keyword:   #c586b1;
  --hl-typeName:  #4a9ad6;
  --hl-className: #4ec9a2;
  --hl-function:  #dcd98f;
  --hl-object:    #9fe4ff;
  --hl-string:    #ce8453;
  --hl-number:    #b5cb8e;
  --hl-comment:   rgba(106, 153, 78, 0.664);
  --hl-brackets:  #ced4d4;

  /* Doc typography — larger than IDE, matching old docs' readability */
  --font-sans: 'Salma Pro', 'Lato', 'Open Sans', 'Liberation Sans', 'Helvetica', sans-serif;
  --font-mono: 'Source Code Pro', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --text-size:    21px;
  --code-size:    18px;
  --line-height:  1.75;
}

/* ─── Base ───────────────────────────────────────────────────────────────── */

html, body {
  min-height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-size);
  line-height: var(--line-height);
}

body {
  display: flex;
  flex-direction: column;
}

/* ─── Header ─────────────────────────────────────────────────────────────── */

.docs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 24px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 200;
}

.docs-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.docs-logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  text-decoration: none;
}

.docs-logo span {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 12px;
  margin-left: 6px;
}

.docs-header-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.docs-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.docs-header-link {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.docs-header-link:hover {
  background: var(--border);
  color: var(--text-primary);
}

.docs-back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.docs-back-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* ─── Page layout ────────────────────────────────────────────────────────── */

.docs-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  align-items: flex-start;
}

/* ─── Sidebar Web Component ──────────────────────────────────────────────── */

idyl-sidebar {
  flex-shrink: 0;
  position: sticky;
  top: 52px;           /* header height */
  height: calc(100vh - 52px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.idyl-nav {
  width: 380px;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  transition: width 0.22s ease;
  overflow: hidden;
}

.idyl-nav.collapsed {
  width: 46px;
}

.idyl-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.idyl-nav-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.15s;
}

.idyl-nav.collapsed .idyl-nav-title {
  opacity: 0;
}

.idyl-nav-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-dim);
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, transform 0.22s;
  flex-shrink: 0;
}

.idyl-nav-toggle:hover {
  background: var(--border);
  color: var(--text-primary);
}

.idyl-nav-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 0;
}

.idyl-nav-list::-webkit-scrollbar { width: 6px; }
.idyl-nav-list::-webkit-scrollbar-track { background: transparent; }
.idyl-nav-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.idyl-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 21px;
  line-height: 1.4;
  border-radius: 0;
  transition: background 0.1s, color 0.1s;
  white-space: nowrap;
  overflow: hidden;
}

.idyl-nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.idyl-nav-item.current {
  background: rgba(137,180,250,0.15);
  color: var(--accent);
}

.idyl-nav-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
  width: 26px;
  text-align: right;
}

.idyl-nav.collapsed .idyl-nav-num {
  margin: auto;
  width: auto;
  text-align: center;
}

.idyl-nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.15s;
}

.idyl-nav.collapsed .idyl-nav-label {
  opacity: 0;
  pointer-events: none;
}

.idyl-nav-loading,
.idyl-nav-error {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-dim);
}

/* ─── Main content ───────────────────────────────────────────────────────── */

.docs-main {
  flex: 1;
  min-width: 0;
  padding: 48px 56px 80px;
  max-width: 1360px;
}

@media (max-width: 1100px) {
  .docs-main {
    padding: 32px 32px 60px;
  }
}

/* ─── Lesson hero ────────────────────────────────────────────────────────── */

.docs-hero {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.docs-hero:has(> h1:first-child) {
  padding-bottom: 24px;
}

.docs-lesson-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--accent);
  background: rgba(137,180,250,0.12);
  border: 1px solid rgba(137,180,250,0.3);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.docs-lesson-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  background: rgba(60, 92, 143, 0.12);
  border: 1px solid rgba(56, 95, 156, 0.3);
  border-radius: 6px;
  padding: 5px 12px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.docs-lesson-back-btn:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  transform: translateX(-2px);
}

.docs-lesson-back-btn:active {
  transform: translateX(-1px);
}

.docs-hero h1 {
  font-size: 2.4em;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 10px;
}

.docs-subtitle {
  font-size: 1.1em;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ─── Sections / Cards ───────────────────────────────────────────────────── */

.docs-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 32px;
  margin-bottom: 24px;
}

.docs-section h2 {
  font-size: 1.25em;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.docs-section p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.docs-section p:last-child {
  margin-bottom: 0;
}

.docs-section ul,
.docs-section ol {
  color: var(--text-secondary);
  padding-left: 1.4em;
  margin-bottom: 14px;
}

.docs-section li {
  margin-bottom: 6px;
}

.docs-section strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ─── Inline code ────────────────────────────────────────────────────────── */

code:not(.idyl-code) {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--hl-string);
  background: var(--bg-code);
  padding: 0.12em 0.4em;
  border-radius: 4px;
}

/* ─── Code block Web Component ───────────────────────────────────────────── */

idyl-code-block {
  display: block;
  margin: 16px 0;
}

.idyl-code-wrapper {
  position: relative;
}

.idyl-code-wrapper:hover .idyl-copy-btn {
  opacity: 1;
}

.idyl-pre {
  margin: 0;
  background: var(--bg-editor);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--code-size);
  line-height: 1.65;
  white-space: pre;
  box-shadow: inset 0 0 0 1px rgba(137, 180, 250, 0.1);
}

.idyl-code {
  display: block;
  font-family: inherit;
}

.idyl-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  z-index: 5;
}

.idyl-copy-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* Syntax token colours */
.hl-keyword   { color: var(--hl-keyword); }
.hl-typeName  { color: var(--hl-typeName); }
.hl-className { color: var(--hl-className); }
.hl-function  { color: var(--hl-function); }
.hl-object    { color: var(--hl-object); }
.hl-string    { color: var(--hl-string); }
.hl-number    { color: var(--hl-number); }
.hl-comment   { color: var(--hl-comment); font-style: italic; }
.hl-brackets  { color: var(--hl-brackets); }

/* ─── Output block Web Component ─────────────────────────────────────────── */

idyl-output-block {
  display: block;
  margin: 16px 0;
}

.idyl-output {
  background: var(--bg-terminal);
  border-left: 3px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: var(--code-size);
  line-height: 1.65;
  color: #a8acc7;
  white-space: pre-wrap;
  word-break: break-word;
  filter: brightness(0.95); 
}

/* ─── Lesson navigation (prev / next) ────────────────────────────────────── */

.docs-lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.docs-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 18px;
  transition: border-color 0.15s, background 0.15s, color 0.15s, transform 0.15s;
  max-width: 46%;
}

.docs-nav-btn:hover {
  border-color: var(--accent);
  background: rgba(137,180,250,0.08);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.docs-nav-btn span:first-child {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

.docs-nav-btn strong {
  color: inherit;
  font-weight: 600;
}

.docs-nav-btn.next {
  margin-left: auto;
  text-align: right;
}

/* ─── Section headers ──────────────────────────────────────────────────── */

.idyl-section {
  border-bottom: 1px solid var(--border);
}

.idyl-section:last-child {
  border-bottom: none;
}

.idyl-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-secondary);
  cursor: pointer;
  user-select: none;
  transition: background 0.1s;
}

.idyl-section-header:hover {
  background: rgba(255,255,255,0.05);
}

/* Активный эффект при клике (опционально) */
.idyl-section-header:active {
  background: rgba(255,255,255,0.08);
}

.idyl-section-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  transition: background 0.1s, color 0.1s;
  flex-shrink: 0;
}

/* Увеличенная зона клика для уголка, но он больше не нужен для клика */
.idyl-section-toggle:hover {
  background: var(--border);
  color: var(--text-primary);
}

.idyl-chevron {
  transition: transform 0.2s ease;
  pointer-events: none; /* Чтобы клик проходил сквозь иконку к header */
}

.idyl-chevron.open {
  transform: rotate(90deg);
}

.idyl-section-title {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  text-transform: uppercase;
  pointer-events: none; /* Клик проходит к header */
}

.idyl-section-count {
  font-size: 10px;
  color: var(--text-dim);
  background: rgba(108, 112, 134, 0.2);
  padding: 2px 6px;
  border-radius: 12px;
  pointer-events: none; /* Клик проходит к header */
}

.idyl-lessons {
  overflow: hidden;
  transition: max-height 0.25s ease-out;
  max-height: 2000px;
}

.idyl-lessons.collapsed {
  max-height: 0;
}

/* В свёрнутом состоянии сайдбара */
.idyl-nav.collapsed .idyl-section-title,
.idyl-nav.collapsed .idyl-section-count,
.idyl-nav.collapsed .idyl-lessons {
  display: none;
}

.idyl-nav.collapsed .idyl-section-header {
  justify-content: center;
  padding: 10px 0;
}

.idyl-nav.collapsed .idyl-section-toggle {
  margin: 0;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */

.docs-footer {
  text-align: center;
  padding: 20px;
  font-size: 16px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  background: var(--bg-header);
  margin-top: auto;
}

/* ─── Scrollbar (global) ─────────────────────────────────────────────────── */

::-webkit-scrollbar       { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* ─── Lessons Grid (Main page) ───────────────────────────────────────────── */

.docs-lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.docs-lesson-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: 220px;
}

.docs-lesson-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.docs-lesson-number {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.docs-lesson-card h2 {
  font-size: 1.25em;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  border-bottom: none;
  padding-bottom: 0;
}

.docs-lesson-card p {
  flex: 1;
  color: var(--text-secondary);
  font-size: 0.9em;
  line-height: 1.6;
  margin-bottom: 18px;
}

.docs-lesson-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px 16px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, transform 0.1s;
  cursor: pointer;
  align-self: flex-end;
  margin-top: auto;
}

.docs-lesson-btn:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translateX(2px);
}

/* Warnings and errors */ 

.error-example {
  margin: 1.5em 0;
}

.error-message {
  background: rgba(243, 139, 168, 0.15);
  border-left: 3px solid #f38ba8;
  padding: 0.75em 1em;
  font-family: 'Source Code Pro', monospace;
  font-size: 0.85em;
  color: #f38ba8;
  margin: 0.5em 0 1em 0;
  border-radius: 0 6px 6px 0;
}

.warning-message {
  background: rgba(249, 226, 175, 0.15);
  border-left: 3px solid #f9e2af;
  padding: 0.75em 1em;
  font-family: 'Source Code Pro', monospace;
  font-size: 0.85em;
  color: #f9e2af;
  margin: 0.5em 0 1em 0;
  border-radius: 0 6px 6px 0;
}

.tip-box {
  background: rgba(137, 180, 250, 0.1);
  border: 1px solid rgba(137, 180, 250, 0.3);
  border-radius: 8px;
  padding: 1em 1.25em;
  margin: 1.5em 0;
}

.tip-box strong {
  color: #89b4fa;
}

/* ─── Category Navigation (Main page) ────────────────────────────────────── */

.docs-nav-categories {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 32px;
}

.docs-nav-categories h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.docs-category-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.docs-category-links a {
  padding: 6px 16px;
  border-radius: 30px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  border: 1px solid var(--border);
}

.docs-category-links a:hover,
.docs-category-links a.current {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

.copyright {
  display: inline-block;
  transform: scaleX(-1);
  transition: all 0.2s ease-in-out;
}

.copyright:hover {
  transform: scaleX(1);
}

/* ANSI color styles — синхронизировано с IDE */
span.color-reset { color: inherit; }

/* Стандартные цвета (тёмные) */
span.color-black   { color: #555555; }
span.color-red     { color: #FF6B6B; }
span.color-green   { color: #69FF94; }
span.color-yellow  { color: #FFFFA5; }
span.color-blue    { color: #6B9FFF; }
span.color-magenta { color: #FF6BFF; }
span.color-cyan    { color: #6BFFFF; }
span.color-white   { color: #FFFFFF; }

/* Светлые цвета (bright) */
span.color-bright-black   { color: #888888; }
span.color-bright-red     { color: #FF8A8A; }
span.color-bright-green   { color: #8AFF8A; }
span.color-bright-yellow  { color: #FFFF8A; }
span.color-bright-blue    { color: #8AB4FF; }
span.color-bright-magenta { color: #FF8AFF; }
span.color-bright-cyan    { color: #8AFFFF; }
span.color-bright-white   { color: #FFFFFF; }

/* Стили текста */
span.color-bold    { font-weight: bold; }
span.color-dim     { opacity: 0.6; }
span.color-italic  { font-style: italic; }
span.color-underline { text-decoration: underline; }

/* Цвета фона */
span.bg-black   { background-color: #555555; }
span.bg-red     { background-color: #FF6B6B; }
span.bg-green   { background-color: #69FF94; }
span.bg-yellow  { background-color: #FFFFA5; }
span.bg-blue    { background-color: #6B9FFF; }
span.bg-magenta { background-color: #FF6BFF; }
span.bg-cyan    { background-color: #6BFFFF; }
span.bg-white   { background-color: #FFFFFF; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .docs-layout {
    flex-direction: column;
  }

  idyl-sidebar {
    position: static;
    height: auto;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .idyl-nav {
    width: 100% !important;
    height: auto;
    max-height: 220px;
    border-right: none;
  }

  .idyl-nav.collapsed {
    max-height: 46px;
  }

  .idyl-nav.collapsed .idyl-nav-label {
    opacity: 1;
  }

  .idyl-lessons {
    max-height: none !important;
  }
  
  .idyl-lessons.collapsed {
    display: none;
  }

  .docs-main {
    padding: 28px 20px 50px;
  }

  .docs-hero h1 {
    font-size: 1.8em;
  }

  .docs-section {
    padding: 20px 18px;
  }

  .docs-lesson-nav {
    flex-direction: column;
  }

  .docs-nav-btn {
    max-width: 100%;
  }

  .docs-nav-btn.next {
    margin-left: 0;
    text-align: left;
  }
}