/*
 * KP Generator — CSS-переменные с дизайн-токенами Stitch.
 *
 * Используются:
 *  1. В WeasyPrint PDF-шаблонах (app/pdf/templates/) — там Tailwind CDN не работает,
 *     нужны нативные CSS-переменные.
 *  2. Как запасной канал для кастомных компонентов, где Tailwind-классов не хватает.
 *
 * Источник правды: .design/design_system.md §7–8. При изменении — синхронизировать
 * с tailwind.config.js.
 */

:root {
  /* --- Surface (tonal hierarchy) --- */
  --color-background: #fcf8fb;
  --color-surface: #fcf8fb;
  --color-surface-bright: #fcf8fb;
  --color-surface-dim: #dcd9dc;
  --color-surface-variant: #e4e2e4;
  --color-surface-tint: #005cbb;

  --color-surface-container: #f0edef;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f6f3f5;
  --color-surface-container-high: #eae7ea;
  --color-surface-container-highest: #e4e2e4;

  --color-on-surface: #1b1b1d;
  --color-on-surface-variant: #414753;
  --color-on-background: #1b1b1d;

  /* --- Primary --- */
  --color-primary: #0059b5;
  --color-primary-container: #0071e3;
  --color-primary-fixed: #d7e2ff;
  --color-primary-fixed-dim: #abc7ff;
  --color-on-primary: #ffffff;
  --color-on-primary-container: #fcfbff;

  /* --- Secondary --- */
  --color-secondary: #5e5e63;
  --color-secondary-container: #e0dfe4;
  --color-on-secondary: #ffffff;
  --color-on-secondary-container: #626267;

  /* --- Tertiary --- */
  --color-tertiary: #9b3f00;
  --color-tertiary-container: #c25100;
  --color-on-tertiary: #ffffff;
  --color-on-tertiary-container: #fffaf9;

  /* --- Error --- */
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  --color-on-error: #ffffff;
  --color-on-error-container: #93000a;

  /* --- Outline (для ghost borders) --- */
  --color-outline: #717785;
  --color-outline-variant: #c1c6d6;

  /* --- Inverse (тосты, tooltip) --- */
  --color-inverse-surface: #303032;
  --color-inverse-on-surface: #f3f0f2;
  --color-inverse-primary: #abc7ff;

  /* --- Радиусы --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* --- Тени --- */
  --shadow-ambient: 0 4px 20px rgba(27, 27, 29, 0.06);
  --shadow-lift: 0 2px 8px rgba(27, 27, 29, 0.04);

  /* --- Типографика --- */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* --- Базовые правила (§6 design_system.md «Do's and Don'ts») --- */

html {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-background);
  color: var(--color-on-surface); /* НЕ #000 — §6 Don't */
  font-feature-settings: 'cv11', 'ss01', 'ss03'; /* Inter stylistic sets */
}

/* Focus-visible — ghost border primary, §5 Input Fields */
*:focus-visible {
  outline: 2px solid var(--color-primary-container);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Alpine.js x-cloak — скрыть элементы до инициализации Alpine
   (используется колокольчиком уведомлений и другими dropdown'ами) */
[x-cloak] {
  display: none !important;
}

/* ============================================================
   Markdown-контент в /knowledge-base.
   Tailwind-плагина @tailwindcss/typography в проекте нет,
   поэтому стилизуем рендер markdown-it вручную, на токенах Stitch.
   ============================================================ */
.kb-article-content {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-on-surface);
}

.kb-article-content > * + * {
  margin-top: 1em;
}

.kb-article-content h1,
.kb-article-content h2,
.kb-article-content h3,
.kb-article-content h4 {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-on-surface);
  line-height: 1.3;
}

.kb-article-content > h1 + *,
.kb-article-content > h2 + *,
.kb-article-content > h3 + *,
.kb-article-content > h4 + * {
  margin-top: 0.6em;
}

.kb-article-content > * + h1,
.kb-article-content > * + h2,
.kb-article-content > * + h3,
.kb-article-content > * + h4 {
  margin-top: 1.8em;
}

.kb-article-content h1 { font-size: 1.75rem; }
.kb-article-content h2 { font-size: 1.4rem; }
.kb-article-content h3 { font-size: 1.15rem; }
.kb-article-content h4 { font-size: 1rem; }

.kb-article-content p {
  margin: 0;
}

.kb-article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.kb-article-content a:hover {
  color: var(--color-primary-container);
}

.kb-article-content strong { font-weight: 600; }
.kb-article-content em { font-style: italic; }
.kb-article-content s,
.kb-article-content del { color: var(--color-on-surface-variant); }

.kb-article-content ul,
.kb-article-content ol {
  padding-left: 1.5em;
  margin: 0;
}
.kb-article-content ul { list-style: disc; }
.kb-article-content ol { list-style: decimal; }
.kb-article-content li + li { margin-top: 0.35em; }
.kb-article-content li > ul,
.kb-article-content li > ol { margin-top: 0.35em; }

.kb-article-content blockquote {
  margin: 0;
  padding: 0.75em 1em;
  border-left: 3px solid var(--color-primary-container);
  background: var(--color-surface-container-low);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface-variant);
}
.kb-article-content blockquote > * + * { margin-top: 0.5em; }

.kb-article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background: var(--color-surface-container-high);
  border-radius: 4px;
  color: var(--color-on-surface);
}
.kb-article-content pre {
  background: var(--color-surface-container-high);
  border-radius: var(--radius-sm);
  padding: 1em 1.2em;
  overflow-x: auto;
  font-size: 0.9em;
  line-height: 1.5;
}
.kb-article-content pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.kb-article-content hr {
  border: none;
  border-top: 1px solid var(--color-outline-variant);
  margin: 2em 0;
}

.kb-article-content table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 0.95em;
}
.kb-article-content thead {
  background: var(--color-surface-container-low);
}
.kb-article-content th,
.kb-article-content td {
  padding: 0.6em 0.9em;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-outline-variant);
}
.kb-article-content th {
  font-weight: 600;
  color: var(--color-on-surface);
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
}
.kb-article-content tbody tr:last-child td {
  border-bottom: none;
}
.kb-article-content tbody tr:nth-child(even) {
  background: var(--color-surface-container-low);
}

.kb-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}