/* ======================================================
   Font and Base Layout
   ====================================================== */
body {
  font-family: 'Noto Serif JP', sans-serif;
  color: #1a1a1a;
  background-color: #ffffff;
}

h1, h2, h3, h4, h5 {
  font-family: 'Noto Serif JP', sans-serif;
  font-weight: 700;
  color: #111;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 0.2em;
}

a {
  color: #0172b3;
  text-decoration: none;
}
a:hover,
a:focus {
  color: #004e91;
  text-decoration: underline;
}
a:visited {
  color: #ca3f3f;
}
a:active {
  color: #044f91;
}

code, pre {
  font-family: 'Courier', monospace;
  background-color: #f7f7f7;
  color: #000;
}

/* ======================================================
   Sidebar Styling
   ====================================================== */
:root {
  --bg-0: #f7f5ee;
  --bg-1: #e3e0cd;
  --bg-2: #c7c2a6;
  --bg-3: #a8a486;
  --bg-4: #898265;
  --bg-5: #625f4a;
}

.wy-nav-side {
  background: var(--bg-0) !important;
  color: #4a4a4a;
  font-family: 'Noto Serif JP', sans-serif;
}

.wy-side-nav-search {
  background-color: var(--bg-1) !important;
  border-bottom: 1px solid var(--bg-2) !important;
  padding: 1.2em 1em;
  font-size: 20px;
  font-weight: bold;
  color: #333 !important;
}

.wy-side-nav-search > a,
.wy-side-nav-search > a:visited {
  color: #333 !important;
}

.wy-side-nav-search > a > img.logo {
  margin-right: 8px;
}

.wy-menu-vertical header,
.wy-menu-vertical .caption-text {
  background: transparent !important;
  padding: 0.5em 1em;
  font-weight: bold;
  font-size: 14px;
  color: #333;
}

.wy-menu-vertical li a {
  background-color: transparent !important;
  color: #4a4a4a !important;
  padding: 0.4em 1em;
  transition: background 0.2s ease;
}

.wy-menu-vertical li a:hover {
  background-color: var(--bg-1) !important;
  color: #000 !important;
}

.wy-menu-vertical li.current > a,
.wy-menu-vertical li.on a {
  background-color: var(--bg-2) !important;
  font-weight: bold;
  color: #000 !important;
}

.wy-menu-vertical li.current > ul li a {
  background-color: var(--bg-0) !important;
  color: #4a4a4a !important;
}
.wy-menu-vertical li.current > ul li a:hover {
  background-color: var(--bg-1) !important;
  color: #000 !important;
}

/* Mobile header */
.wy-nav-top {
  background-color: #e3e0cd !important;
  color: #333 !important;
  font-family: 'Noto Serif JP', sans-serif;
}
.wy-nav-top a,
.wy-nav-top a:visited {
  color: #333 !important;
  font-weight: bold;
  text-decoration: none;
}
.wy-nav-top a:hover {
  color: #000 !important;
  text-decoration: underline;
}

/* ======================================================
   Function Boxes and Admonitions
   ====================================================== */
.viewcode-link,
.viewcode-link:hover {
  color: #625f4a !important;
  font-weight: normal;
  font-family: 'Noto Serif JP', sans-serif;
  text-decoration: none;
}

/* Signature block styles */
.sig {
  font-family: 'Noto Serif JP', sans-serif !important;
  background-color: var(--bg-0) !important;
  border-top: 3px solid var(--bg-2) !important;
  border-left: none !important;
  box-shadow: none !important;
  margin-left: 0 !important;
  padding-left: 0.5em !important;

  overflow-x: auto;
  overflow-y: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.sig,
.sig-name,
.sig-return {
  color: #000 !important;
  font-family: 'Noto Serif JP', sans-serif !important;
}

.sig-param,
.sig-paren {
  color: #49566d !important;
  white-space: normal;
  word-break: break-word;
}

.toctree-wrapper li code,
.toctree-wrapper li .pre,
.toctree-wrapper li .xref.py,
.toctree-wrapper li .xref.py.py-obj {
  all: unset;
  font-family: 'Noto Serif JP', sans-serif;
  color: #0172b3;
  cursor: pointer;
  text-decoration: none;
}

.toctree-wrapper li .xref.py:hover,
.toctree-wrapper li .xref.py.py-obj:hover {
  color: #004e91;
}

div.admonition.warning {
  background-color: #f9cfce !important;
  border-left: 6px solid #de6866 !important;
}
div.admonition.warning > .admonition-title {
  background-color: #eda4a7 !important;
  color: #000;
}

div.admonition.note {
  background-color: #c9e7fc !important;
  border-left: 6px solid #5799d2 !important;
}
div.admonition.note > .admonition-title {
  background-color: #9dccec !important;
  color: #000;
}

/* ======================================================
   Mobile Overflow & Readability Fixes
   ====================================================== */

/* Prevent nav content from overflowing on small screens */
.wy-nav-content {
  overflow-x: hidden;
  padding-left: 1em;
  padding-right: 1em;
  max-width: 1200px;        /* Or 1000–1920px depending on your design */
  width: 100%;              /* Allows shrinking on small screens */
  margin: 0 auto;           /* Centers the content */
  box-sizing: border-box;  /* Includes padding in width calculation */
}


/* Field lists like Parameters and Returns */
.field-list,
.docutils .field,
dl.field-list {
  overflow-x: auto;
  word-wrap: break-word;
  white-space: normal;
  max-width: 100%;
}

/* Code blocks */
pre {
  white-space: pre-wrap;
  word-break: break-word;
  max-width: 100%;
}

/* Signature line overflow control */
dl.class > dt,
dl.function > dt {
  overflow-x: auto;
  word-wrap: break-word;
  white-space: pre-wrap;
  max-width: 100%;
  box-sizing: border-box;
}

/* Shrink text on narrow screens for better fit */
@media (max-width: 768px) {
  .sig {
    font-size: 90%;
    padding-right: 0.5em;
  }
  pre {
    font-size: 90%;
  }
  .wy-nav-content {
    padding-left: 0.7em;
    padding-right: 0.7em;
  }
}