/* ================================
   CGDRO — Site Extras (Material MkDocs)
   File: docs/stylesheets/extra.css
   ================================ */

/* ---- Brand color variables (light mode defaults) ---- */
:root {
  --cgdro-lightgreen: #7FB8E6;   /* Light Blue */
  --cgdro-yellowgreen: #5CAFE0;  /* Medium Blue */
  --cgdro-gold: #3C8DC5;         /* Deep Blue */
}

/* ======================================
   HOMEPAGE FULL-BLEED (no sidebars)
   ====================================== */
[data-md-page="index"] .md-main        { padding: 0; }
[data-md-page="index"] .md-main__inner { margin: 0; }
[data-md-page="index"] .md-content     { margin: 0; max-width: none; }
[data-md-page="index"] .md-content__inner { margin: 0; padding: 0; }
[data-md-page="index"] .md-sidebar--primary,
[data-md-page="index"] .md-sidebar--secondary { display: none; }

/* Fix homepage grid so content starts flush under header */
[data-md-page="index"] .md-main__inner {
  grid-template-columns: 0 minmax(0, 1fr) 0 !important;
}
[data-md-page="index"] .md-content {
  grid-column: 1 / -1 !important;
  margin: 0 !important;
  padding: 0 !important;
  max-width: none !important;
  width: 100% !important;
}
[data-md-page="index"] .md-content__inner,
[data-md-page="index"] .md-typeset,
[data-md-page="index"] .md-grid {
  margin: 0 !important;
  padding: 0 !important;
  max-width: none !important;
}

/* ======================================
   Landing hero (half-screen)
   ====================================== */
.cgdro-hero {
  position: relative;
  height: 50vh;
  width: 100% !important;
  background:none,
    url('../assets/home_bg.png') center/cover no-repeat;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 8vh 8vw;
  box-sizing: border-box;
  z-index: 1;
}

/* Overlay card */
.cgdro-hero__overlay {
  background: none;
  border-radius: 1.25rem;
  padding: 2.25rem 2rem;
  max-width: 840px;
  text-align: left;
  backdrop-filter: none;
  position: relative;
  z-index: 2;
}

/* Title + Subtitle */
.md-typeset .cgdro-hero__title {
  margin: 0 0 0.75rem 0;
  color: #ffffff !important;
  font-size: clamp(1.9rem, 3.4vw, 3.2rem);
  line-height: 1.15;
  font-weight: 800 !important;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.md-typeset .cgdro-hero__subtitle {
  margin: 0 0 1.25rem 0;
  color: #ffffff !important;
  opacity: 0.95;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
}

.cgdro-hero__actions { margin-top: 0.5rem; }
.cgdro-hero__actions .md-button { margin-right: 0.75rem; }

.md-main__inner { margin-top: 0; }

/* ======================================
   Hero Buttons (Primary + Secondary)
   ====================================== */

/* 主按钮（Get started） */
.cgdro-hero__actions .md-button--primary {
  background-color: #7FB8E6;
  color: #0B3954;
  border: 2px solid #0B3954;
  font-weight: 600;
  transition: all 0.25s ease;
}
.cgdro-hero__actions .md-button--primary:hover {
  background-color: #3C8DC5;
  color: #ffffff;
  border-color: #0B3954;
}
.cgdro-hero__actions .md-button--primary:focus-visible {
  outline: 3px solid #3C8DC5;
  outline-offset: 2px;
  box-shadow: 0 0 0 2px #0006;
}

/* 次按钮（Learn more） */
.cgdro-hero__actions .md-button {
  background-color: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
  font-weight: 500;
  transition: all 0.25s ease;
}
.cgdro-hero__actions .md-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #7FB8E6;
  color: #7FB8E6;
}
.cgdro-hero__actions .md-button:focus-visible {
  outline: 3px solid #7FB8E6;
  outline-offset: 2px;
  box-shadow: 0 0 0 2px #0006;
}

/* 按钮容器间距 */
.cgdro-hero__actions {
  margin-top: 0.5rem;
}
.cgdro-hero__actions .md-button {
  margin-right: 0.75rem;
}

/* 小节标题色保持一致 */
#learn-more h2 { color: #7FB8E6; }
#learn-more { scroll-margin-top: 72px; }

/* ======================================
   Header & tabs (logo → small text)
   ====================================== */

/* 使用 Material 默认 header 颜色，不再强行覆盖 */
/* 这里只做 logo 样式定制：隐藏图片/图标，用文字 CGDRO 替代 */
.md-header__button.md-logo {
  display: flex;
  align-items: center;
  padding-left: 0.35rem;
  padding-right: 0.75rem;
}

/* 隐藏 logo 图片 / svg */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  display: none;
}

/* 用一行小字 “CGDRO” 作为文字 logo */
.md-header__button.md-logo::after {
  content: "CGDRO";
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: inherit;          /* 跟随主题 header 文字颜色 */
}

/* ======================================
   Footer
   ====================================== */
footer.md-footer {
  background: linear-gradient(
    90deg,
    var(--cgdro-lightgreen) 0%,
    var(--cgdro-yellowgreen) 50%,
    var(--cgdro-gold) 100%
  );
  color: #fff;
}

/* ======================================
   Extra repo icons
   ====================================== */
.cgdro-header-links {
  position: absolute;
  top: 0.5rem;
  right: 4rem;
  display: flex;
  gap: 0.5rem;
}
.cgdro-header-link {
  color: var(--md-default-fg-color, #fff);
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.cgdro-header-link:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* ======================================
   Dark Mode
   ====================================== */
[data-md-color-scheme="slate"] {
  --cgdro-lightgreen: #A5D8F3;
  --cgdro-yellowgreen: #7FC3EB;
  --cgdro-gold: #4B9BD5;
}
[data-md-color-scheme="slate"] .cgdro-hero__overlay {
  background: rgba(0, 0, 0, 0.55);
}
[data-md-color-scheme="slate"] .cgdro-hero {
  background:
    linear-gradient(
      120deg,
      rgba(165,216,243,0.5),
      rgba(127,195,235,0.5),
      rgba(75,155,213,0.35)
    ),
    url('../assets/home_bg.png') center/cover no-repeat;
}
[data-md-color-scheme="slate"] .cgdro-hero__title   {
  color: #ffffff !important;
  font-weight: 800 !important;
}
[data-md-color-scheme="slate"] .cgdro-hero__subtitle{
  color: #ffffff !important;
  opacity: 0.95;
}
[data-md-color-scheme="slate"] .cgdro-hero__actions .md-button--primary {
  background-color: var(--cgdro-gold);
  color: #222;
}
[data-md-color-scheme="slate"] .cgdro-hero__actions .md-button--primary:hover {
  background-color: var(--cgdro-yellowgreen);
  color: #000;
}
[data-md-color-scheme="slate"] .cgdro-hero__actions .md-button {
  border-color: var(--cgdro-lightgreen);
  color: var(--cgdro-lightgreen);
}
[data-md-color-scheme="slate"] .cgdro-hero__actions .md-button:hover {
  background-color: var(--cgdro-lightgreen);
  color: #111;
}
[data-md-color-scheme="slate"] footer.md-footer {
  background: linear-gradient(
    90deg,
    var(--cgdro-lightgreen) 0%,
    var(--cgdro-yellowgreen) 50%,
    var(--cgdro-gold) 100%
  );
  color: #111;
}

/* ======================================
   Responsive tweaks
   ====================================== */
@media (max-width: 860px) {
  .cgdro-hero { padding: 10vh 6vw; height: 48vh; }
  .cgdro-hero__overlay { padding: 1.75rem 1.5rem; }
}
@media (max-width: 520px) {
  .cgdro-hero { padding: 12vh 4vw; height: 46vh; }
  .cgdro-hero__overlay { border-radius: 1rem; }
}

.md-header { position: relative; z-index: 5; }
.cgdro-hero, .cgdro-hero * { pointer-events: auto; }

html { scroll-behavior: smooth; }

/* ======================================
   Float image / layout helpers
   ====================================== */

/* Float image on the right, exactly half the content width */
.md-typeset .float-right {
  float: right;
  width: 50%;
  max-width: none;
  height: auto;
  display: block;
  margin: 0 0 0.75rem 1rem;
}

/* Small screens: stack full width */
@media (max-width: 900px) {
  .md-typeset .float-right {
    float: none;
    width: 50%;
    margin: 0.5rem 0;
  }
}

/* Clear floats after sections */
.md-typeset .clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/* Two-column section: left text (50%), right image (50%) */
.md-typeset .two-col {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.md-typeset .two-col .col {
  flex: 1 1 50%;
  min-width: 0;
}
.md-typeset .two-col img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* Mobile: stack full width */
@media (max-width: 900px) {
  .md-typeset .two-col {
    display: block;
  }
  .md-typeset .two-col .col {
    width: 100%;
  }
}

/* ======================================
   Site width (wider pages)
   ====================================== */

/* 加宽整体内容区域 */
.md-grid {
  max-width: 78rem; /* ≈1248px，可按需要调整 */
}



.center 
{
  width: auto;
  display: table;
  margin-left: auto;
  margin-right: auto;
}


/* 让带 wide-caption 的 figure 占满内容区宽度 */
.md-typeset figure.wide-caption {
  display: block !important;      /* 覆盖 display: table */
  width: 100% !important;
  max-width: 100% !important;     /* 关键：干掉主题的 max-width 限制 */
  margin: 1.5rem 0 !important;
  text-align: center;
}

/* 图片 70% 宽、居中 */
.md-typeset figure.wide-caption img {
  max-width: 70%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}


/* caption 占满整行，而不是和图片同宽 */
.md-typeset figure.wide-caption > figcaption {
  display: block;
  width: 100%;
  max-width: 100% !important;     /* 关键：覆盖 figcaption 的 max-width */
  margin-top: 0.5rem;
  font-style: italic;
  text-align: center;
}