/* 
 * Premium UI/UX Override for MkDocs Material 
 * Applies refined spacing, softer geometry, and subtle glassmorphism 
 * while respecting the base theme and color system.
 */

:root {
  /* Softer shadows and geometry */
  --md-shadow-z1: 0 4px 12px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --md-shadow-z2: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --md-shadow-z3: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.04);
}

[data-md-color-scheme="slate"] {
  --md-shadow-z1: 0 4px 12px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.2);
  --md-shadow-z2: 0 8px 24px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.2);
  --md-shadow-z3: 0 16px 48px rgba(0, 0, 0, 0.6), 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* =========================================================================
   1. Typography & Readability
   ========================================================================= */

body {
  /* Slightly increase line-height for better breathability */
  line-height: 1.65;
  letter-spacing: -0.01em;
}

.md-content h1, 
.md-content h2, 
.md-content h3 {
  letter-spacing: -0.02em;
  font-weight: 600;
}

.md-typeset h1 { margin-bottom: 1.5rem; }
.md-typeset h2 { margin-top: 2.5em; border-bottom: 1px solid var(--md-default-fg-color--lightest); padding-bottom: 0.5em; }
.md-typeset h3 { margin-top: 2em; }

/* =========================================================================
   2. Header Glassmorphism
   ========================================================================= */

.md-header {
  /* Make header semi-transparent and blur the background */
  background-color: hsla(var(--md-hue), 15%, 25%, 0.85) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* Remove harsh separator line and replace with subtle shadow */
  box-shadow: inset 0 -1px 0 hsla(0,0%,100%,.1), 0 4px 20px rgba(0,0,0,.08);
}

[data-md-color-scheme="slate"] .md-header {
  background-color: hsla(var(--md-hue), 15%, 15%, 0.85) !important;
  box-shadow: inset 0 -1px 0 hsla(0,0%,100%,.05), 0 4px 20px rgba(0,0,0,.3);
}

.md-tabs {
  background-color: hsla(var(--md-hue), 15%, 25%, 0) !important;
  border-bottom: 1px solid hsla(0,0%,100%,.1);
}

[data-md-color-scheme="slate"] .md-tabs {
  border-bottom: 1px solid hsla(0,0%,100%,.05);
}

/* =========================================================================
   3. Geometry (Rounded Corners)
   ========================================================================= */

/* Code Blocks */
.md-typeset pre > code {
  border-radius: 8px;
  /* A refined inner shadow to give depth to code blocks */
  box-shadow: inset 0 0 0 1px var(--md-default-fg-color--lightest);
}

/* Admonitions (Info/Warning boxes) */
.md-typeset .admonition, 
.md-typeset details {
  border-radius: 8px;
  border: none;
  box-shadow: inset 0 0 0 1px var(--md-default-fg-color--lightest), var(--md-shadow-z1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset .admonition:hover, 
.md-typeset details:hover {
  box-shadow: inset 0 0 0 1px var(--md-default-fg-color--light), var(--md-shadow-z2);
}

.md-typeset .admonition-title {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

/* Content Tabs — outer level */
.md-typeset .tabbed-set {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--md-default-fg-color--lightest);
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

/* Tab labels — stronger active indicator */
.md-typeset .tabbed-set > input:checked + label {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
  font-weight: 600;
}

/* Tab content — breathing room */
.md-typeset .tabbed-content {
  padding: 0.75rem 0.25rem 0;
}

/* Nested tabs (TTS providers inside Pipeline) — subtler styling */
.md-typeset .tabbed-content .tabbed-set {
  box-shadow: none;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  margin-top: 0.75rem;
}

.md-typeset .tabbed-content .tabbed-set > input + label {
  font-size: 0.75rem;
  padding: 0.5em 1em;
}

/* Bold section labels inside tabs — visual weight without TOC pollution */
.md-typeset .tabbed-content > div > p > strong:first-child {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--light);
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
}

/* Buttons */
.md-typeset .md-button {
  border-radius: 6px;
  font-weight: 500;
  letter-spacing: 0;
  transition: all 0.2s ease;
}

.md-typeset .md-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--md-shadow-z2);
}

/* =========================================================================
   4. Tables
   ========================================================================= */

.md-typeset table:not([class]) {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--md-default-fg-color--lightest);
  border: none;
}

.md-typeset table:not([class]) th {
  background-color: var(--md-default-bg-color--light);
  font-weight: 600;
  color: var(--md-default-fg-color);
}

.md-typeset table:not([class]) td, 
.md-typeset table:not([class]) th {
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

/* Remove bottom border from last row */
.md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

/* =========================================================================
   5. Search Box Refinement
   ========================================================================= */

.md-search__input {
  border-radius: 6px !important;
  background-color: hsla(0,0%,100%,.1) !important;
  border: 1px solid transparent !important;
}

.md-search__input:focus {
  background-color: var(--md-default-bg-color) !important;
  color: var(--md-default-fg-color) !important;
  box-shadow: 0 0 0 3px hsla(var(--md-hue), 100%, 75%, 0.3) !important;
}