@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap");

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--app-bg);
  line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5 {
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
  line-height: 1.6;
}

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

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: 16px;
}

/* === SIDEBAR LAYOUT HYDRATION BRIDGE === */
.sidebar-bridge {
  position: relative;
  width: var(--sidebar-width-desktop, 300px);
  transform: none;
  opacity: var(--sidebar-opacity-desktop, 1);
  visibility: var(--sidebar-visibility-desktop, visible);
}

@media (max-width: 768px) {
  .sidebar-bridge {
    position: absolute;
    width: var(--sidebar-width-mobile, 100vw);
    transform: var(--sidebar-transform-mobile, translateX(-100%));
    opacity: var(--sidebar-opacity-mobile, 0);
    visibility: var(--sidebar-visibility-mobile, hidden);
  }
}

/* === SIDEBAR SCROLLBAR STYLING === */
.sidebar-bridge,
[data-sidebar] {
  scrollbar-width: thin;
  scrollbar-color: rgba(234, 246, 251, 0.18) transparent;
}

.sidebar-bridge *::-webkit-scrollbar,
[data-sidebar] *::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

.sidebar-bridge *::-webkit-scrollbar-track,
[data-sidebar] *::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-bridge *::-webkit-scrollbar-thumb,
[data-sidebar] *::-webkit-scrollbar-thumb {
  background-color: rgba(234, 246, 251, 0.18);
  border-radius: 9999px;
}

.sidebar-bridge *::-webkit-scrollbar-thumb:hover,
[data-sidebar] *::-webkit-scrollbar-thumb:hover {
  background-color: rgba(234, 246, 251, 0.35);
}

.sidebar-bridge *::-webkit-scrollbar-corner,
[data-sidebar] *::-webkit-scrollbar-corner {
  background: transparent;
}

/* === WORKSPACE PANEL LAYOUT BRIDGE === */
.workspace-panel-bridge {
  position: relative;
  width: var(--workspace-width-desktop, 50%);
  min-width: var(--workspace-min-width-desktop, 380px);
  height: 100%;
  min-height: 0;
  display: flex;
  flex-shrink: 0;
  transition: width 180ms ease;
}

@media (max-width: 768px) {
  .workspace-panel-bridge {
    position: absolute;
    inset: 0;
    width: 100%;
    min-width: 0;
    z-index: 30;
  }
}

/* === STANDALONE DOCUMENT READER NATIVE FLOW === */
html[data-standalone-document="true"],
body[data-standalone-document="true"],
html:has(body[data-standalone-document="true"]) {
  height: auto;
  min-height: 100%;
  overflow: visible;
  overscroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
}

[data-document-header] {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

[data-document-footer] {
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-document-card] {
  margin: 0 auto;
  max-width: 880px;
  width: 100%;
  background-color: var(--doc-bg, #ffffff);
  border: var(--doc-border, 1px solid rgba(0, 0, 0, 0.08));
  border-radius: 8px;
  box-shadow: var(--doc-shadow, 0 4px 16px rgba(0, 0, 0, 0.04));
  padding: 36px 44px;
  box-sizing: border-box;
  line-height: 1.6;
  color: var(--theme-text-primary, inherit);
}

[data-document-canvas] {
  flex: 1 0 auto;
  padding: 24px 16px 48px 16px;
  background-color: var(--canvas-bg, transparent);
  transition: background-color 0.2s ease;
}

/* === KATEX MATHEMATICAL FORMULA WRAPPING & SCALING === */
.katex-display {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.18) transparent;
  margin: 0.5rem 0 !important;
  text-align: center;
  font-size: clamp(0.85rem, 1.8vw, 1.05rem);
}

.katex-display > .katex {
  white-space: normal !important;
  text-align: center;
}

.katex-display .base {
  margin: 2px 0;
}

/* === PRINT MEDIA RESET & FORMATTING === */
@media print {
  @page {
    margin: 1.5cm;
    size: auto;
  }

  html,
  body {
    height: auto;
    overflow: visible;
    background: #ffffff;
    color: #111827;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  [data-no-print],
  [data-document-header],
  [data-document-footer] {
    display: none !important;
  }

  main,
  [data-document-canvas] {
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
  }

  [data-document-card],
  #document-content-root {
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    background: transparent !important;

    /* Automatic Print Palette Inversion & Contrast Cascading */
    --theme-text-primary: var(--print-text-primary, #111827);
    --theme-text-secondary: var(--print-text-secondary, #4b5563);
    --theme-h1-color: var(--print-h1-color, #111827);
    --theme-h1-border: var(--print-h1-border, 1px solid #e5e7eb);
    --theme-h2-color: var(--print-h2-color, #1f2937);
    --theme-h2-border-left: var(--print-h2-border-left, none);
    --theme-h2-border-bottom: var(--print-h2-border-bottom, none);
    --theme-h3-color: var(--print-h3-color, #374151);
    --theme-h4-color: var(--print-h4-color, #4b5563);
    --theme-table-header-bg: var(--print-table-header-bg, #0f2942);
    --theme-table-header-text: var(--print-table-header-text, #ffffff);
    --theme-table-border: var(--print-table-border, #cbd5e1);
    --theme-table-row-bg: var(--print-table-row-bg, #ffffff);
    --theme-table-row-alt-bg: var(--print-table-row-alt-bg, #f8fafc);
    --theme-table-text: var(--print-table-text, #0f172a);
    --theme-hr-border: var(--print-hr-border, #cbd5e1);
  }

  /* Mermaid Diagram Page Hygiene (Prevent blank multi-page stretching) */
  [data-mermaid-card] {
    break-inside: avoid !important;
    page-break-inside: avoid !important;
    margin: 1rem 0 !important;
    box-shadow: none !important;
    border: 1px solid #cbd5e1 !important;
    background: #ffffff !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  [data-mermaid-body],
  [data-mermaid-svg-container] {
    display: block !important;
    padding: 0.5rem !important;
    margin: 0 auto !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: visible !important;
    background: transparent !important;
    text-align: center !important;
  }

  [data-mermaid-svg-container] svg,
  svg[id^="svg-"],
  svg[id^="mermaid-"] {
    display: block !important;
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
    max-height: 18cm !important;
    margin: 0 auto !important;
    overflow: visible !important;
  }

  /* Math overflow & scaling in print (full visibility, no clipping) */
  [data-math-block],
  .katex-display,
  .katex {
    overflow: visible !important;
    overflow-x: visible !important;
    white-space: normal !important;
    max-width: 100% !important;
  }

  /* Tables in print */
  table,
  [data-table-card] table {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    border-collapse: collapse !important;
  }

  /* Prevent page breaks inside tables, pre blocks, svg charts, and diagrams */
  table,
  pre,
  svg,
  canvas,
  [data-avoid-break] {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}