/* ===== Custom Theme Colors ===== */

/* Light mode */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #f9f9f9;
  --md-default-bg-color--light: #f9f9f9;
  --md-default-bg-color--lighter: #ffffff;
  --md-default-bg-color--lightest: #ffffff;
  --md-accent-fg-color: #7c4dff;
  --md-accent-fg-color--transparent: rgba(124, 77, 255, 0.1);
}

[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-tabs {
  background-color: #edf5ff;
  color: #1a1a1a;
}

/* Light mode - make header elements dark for visibility */
[data-md-color-scheme="default"] .md-header__button,
[data-md-color-scheme="default"] .md-header__topic,
[data-md-color-scheme="default"] .md-header__title,
[data-md-color-scheme="default"] .md-header__source,
[data-md-color-scheme="default"] .md-tabs__link,
[data-md-color-scheme="default"] .md-tabs__link--active,
[data-md-color-scheme="default"] .header-extra-links a {
  color: #1a1a1a;
}

[data-md-color-scheme="default"] .md-header__button:hover,
[data-md-color-scheme="default"] .md-tabs__link:hover {
  color: #000000;
}

/* Light mode - force all header icons to black */
[data-md-color-scheme="default"] .md-header .md-header__button.md-icon,
[data-md-color-scheme="default"] .md-header .md-search__icon,
[data-md-color-scheme="default"] .md-header .md-source__icon,
[data-md-color-scheme="default"] .md-header .md-source__icon svg,
[data-md-color-scheme="default"] .md-header .md-source,
[data-md-color-scheme="default"] .md-header .md-source__repository,
[data-md-color-scheme="default"] .md-header .md-source__fact,
[data-md-color-scheme="default"] .header-extra-links a,
[data-md-color-scheme="default"] .header-extra-links svg {
  color: #000000 !important;
  fill: #000000 !important;
  opacity: 1 !important;
}

/* Dark mode - force all header icons to white */
[data-md-color-scheme="slate"] .md-header .md-header__button.md-icon,
[data-md-color-scheme="slate"] .md-header .md-search__icon,
[data-md-color-scheme="slate"] .md-header .md-source__icon,
[data-md-color-scheme="slate"] .md-header .md-source__icon svg,
[data-md-color-scheme="slate"] .md-header .md-source,
[data-md-color-scheme="slate"] .md-header .md-source__repository,
[data-md-color-scheme="slate"] .md-header .md-source__fact,
[data-md-color-scheme="slate"] .header-extra-links a,
[data-md-color-scheme="slate"] .header-extra-links svg {
  color: #ffffff !important;
  fill: #ffffff !important;
  opacity: 1 !important;
}

/* Footer z-index to sit above fixed shader background */
.md-footer {
  position: relative;
  z-index: 1;
}

/* Light mode footer */
[data-md-color-scheme="default"] .md-footer {
  background-color: #edf5ff !important;
  color: #1a1a1a !important;
}

[data-md-color-scheme="default"] .md-footer-meta {
  background-color: #e3edf7 !important;
  color: #1a1a1a !important;
}

[data-md-color-scheme="default"] .md-footer *,
[data-md-color-scheme="default"] .md-footer a,
[data-md-color-scheme="default"] .md-copyright,
[data-md-color-scheme="default"] .md-copyright *,
[data-md-color-scheme="default"] .md-social__link,
[data-md-color-scheme="default"] .md-social__link svg {
  color: #1a1a1a !important;
  fill: #1a1a1a !important;
}

/* ===== Jupyter notebook light mode overrides ===== */
[data-md-color-scheme="default"] .jupyter-wrapper {
  --jp-layout-color0: white;
  --jp-layout-color1: white;
  --jp-layout-color2: var(--md-grey-200);
  --jp-layout-color3: var(--md-grey-400);
  --jp-cell-editor-background: var(--md-grey-100);
  --jp-cell-editor-border-color: var(--md-grey-300);
  --jp-cell-editor-active-background: var(--jp-layout-color0);
  --jp-ui-font-color0: rgba(0, 0, 0, 1);
  --jp-ui-font-color1: rgba(0, 0, 0, 0.87);
  --jp-ui-font-color2: rgba(0, 0, 0, 0.54);
  --jp-ui-font-color3: rgba(0, 0, 0, 0.38);
  --jp-content-font-color0: rgba(0, 0, 0, 1);
  --jp-content-font-color1: rgba(0, 0, 0, 0.87);
  --jp-content-font-color2: rgba(0, 0, 0, 0.54);
  --jp-content-font-color3: rgba(0, 0, 0, 0.38);
  --jp-content-link-color: var(--md-blue-700);
  --jp-mirror-editor-keyword-color: #008000;
  --jp-mirror-editor-atom-color: #88f;
  --jp-mirror-editor-number-color: #080;
  --jp-mirror-editor-def-color: #00f;
  --jp-mirror-editor-variable-color: var(--md-grey-900);
  --jp-mirror-editor-variable-2-color: #05a;
  --jp-mirror-editor-variable-3-color: #085;
  --jp-mirror-editor-punctuation-color: #05a;
  --jp-mirror-editor-property-color: #05a;
  --jp-mirror-editor-operator-color: #aa22ff;
  --jp-mirror-editor-comment-color: #408080;
  --jp-mirror-editor-string-color: #ba2121;
  --jp-mirror-editor-string-2-color: #708;
  --jp-mirror-editor-meta-color: #aa22ff;
  --jp-mirror-editor-qualifier-color: #555;
  --jp-mirror-editor-builtin-color: #008000;
  --jp-mirror-editor-bracket-color: #997;
  --jp-mirror-editor-tag-color: #170;
  --jp-mirror-editor-attribute-color: #00c;
  --jp-mirror-editor-header-color: blue;
  --jp-mirror-editor-quote-color: #090;
  --jp-mirror-editor-link-color: #00c;
  --jp-mirror-editor-error-color: #f00;
  --jp-editor-cursor-color: var(--jp-ui-font-color0);
  --jp-rendermime-error-background: #fdd;
  --jp-rendermime-table-row-background: var(--md-grey-100);
  --jp-border-color0: var(--md-grey-400);
  --jp-border-color1: var(--md-grey-400);
  --jp-border-color2: var(--md-grey-300);
  --jp-border-color3: var(--md-grey-200);
  --jp-input-background: var(--md-grey-100);
  --jp-cell-prompt-not-active-font-color: var(--md-grey-700);
}

/* Dark mode */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0f0f0f;
  --md-default-bg-color--light: #0f0f0f;
  --md-default-bg-color--lighter: #1a1a1a;
  --md-default-bg-color--lightest: #252525;
  --md-accent-fg-color: #b388ff;
  --md-accent-fg-color--transparent: rgba(179, 136, 255, 0.1);
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-tabs {
  background-color: #1c1b19;
}

/* ===== Single Row Navbar ===== */

/* Hide the site name text, keep only logo */
.md-header__topic {
  display: none !important;
}

/* Hide the separate tabs bar */
.md-tabs {
  display: none !important;
}

/* Create inline tabs in the header */
.md-header .md-header__inner {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Add navigation tabs inline after logo */
.md-header__button.md-logo {
  margin-right: 1rem;
}

/* Inject tabs into header via flexbox order */
.md-header .md-header__inner > * {
  flex-shrink: 0;
}

/* Style for inline navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-right: auto;
  padding-left: 0.5rem;
}

.header-nav a {
  padding: 0.5rem 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  color: currentColor;
  opacity: 0.85;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.header-nav a:hover,
.header-nav a.active {
  opacity: 1;
}

/* Mobile: hide custom nav, Material's drawer handles it */
@media (max-width: 960px) {
  .header-nav {
    display: none;
  }
}

/* ===== Custom header icons styling ===== */

/* Remove default margin from header source to align icons */
.md-header__source {
  margin-left: 0 !important;
}

.md-header__button.md-icon {
  color: currentColor;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.md-header__button.md-icon:hover {
  opacity: 1;
}

/* Extra header links container - sits right next to GitHub icon */
.header-extra-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin-right: 0;
}

.header-extra-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  color: currentColor;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.header-extra-links a:hover {
  opacity: 1;
}

.header-extra-links svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: currentColor;
}

/* Adjust search to not take too much space */
.md-search {
  margin-left: auto;
}

.md-search__input {
  background: var(--md-default-bg-color);
  font-size: 0.8rem;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: #1a1a1a !important;
  opacity: 0.85;
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: #ffffff !important;
  opacity: 0.85;
}

/* ===== Announcement Banner ===== */

.nn-announcement {
  background: linear-gradient(135deg, #b76ee9, #528aba);
  padding: 6px 20px;
  text-align: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: #ffffff;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.nn-announcement a {
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
  display: inline-block;
  transition: transform 0.2s ease, opacity 0.2s ease;
  line-height: 1.4;
}

.nn-announcement a:hover {
  transform: translateX(4px);
  opacity: 0.9;
}

/* ===== NDIF Badge ===== */

.nn-ndif-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin: 0 0.5rem;
  flex-shrink: 0;
  cursor: pointer;
  background: #228b22;
  animation: nn-ndif-pulse 3s ease-in-out infinite;
}

.nn-ndif-badge img {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  z-index: 1;
}

@keyframes nn-ndif-pulse {
  0% { background-color: #228b22; }
  50% { background-color: #32cd32; }
  100% { background-color: #228b22; }
}