/* ============================================
   Learning Mascot: Echo the Bat
   Pedagogical agent for signal processing
   ============================================ */

:root {
  --mascot-primary:   #800000;   /* maroon (matches book primary color)   */
  --mascot-secondary: #9a6b00;   /* dark gold (white title text readable) */
  --mascot-bg:        #fdf3f3;   /* pale maroon tint                      */
  --mascot-border:    #a04545;   /* light maroon                          */
  --mascot-size: 90px;
}

/* ---- Shared base for all mascot admonitions ---- */
/* Override MkDocs Material's default smaller admonition font size
   so mascot admonition text matches the body text exactly. */
.md-typeset .admonition.mascot-welcome,
.md-typeset .admonition.mascot-thinking,
.md-typeset .admonition.mascot-tip,
.md-typeset .admonition.mascot-warning,
.md-typeset .admonition.mascot-celebration,
.md-typeset .admonition.mascot-encourage,
.md-typeset .admonition.mascot-neutral,
.md-typeset details.mascot-welcome,
.md-typeset details.mascot-thinking,
.md-typeset details.mascot-tip,
.md-typeset details.mascot-warning,
.md-typeset details.mascot-celebration,
.md-typeset details.mascot-encourage,
.md-typeset details.mascot-neutral {
  font-size: inherit;
}

/* ---- Welcome (chapter openings) — primary color ---- */
.md-typeset .admonition.mascot-welcome,
.md-typeset details.mascot-welcome {
  border-color: var(--mascot-primary);
  background-color: var(--mascot-bg);
}
.md-typeset .mascot-welcome > .admonition-title,
.md-typeset .mascot-welcome > summary {
  background-color: var(--mascot-primary);
  color: white;
}

/* ---- Thinking (key concepts) — secondary color ---- */
.md-typeset .admonition.mascot-thinking,
.md-typeset details.mascot-thinking {
  border-color: var(--mascot-secondary);
  background-color: #efebe9;
}
.md-typeset .mascot-thinking > .admonition-title,
.md-typeset .mascot-thinking > summary {
  background-color: var(--mascot-secondary);
  color: white;
}

/* ---- Tip (hints) — teal ---- */
.md-typeset .admonition.mascot-tip,
.md-typeset details.mascot-tip {
  border-color: #00897b;
  background-color: #e0f2f1;
}
.md-typeset .mascot-tip > .admonition-title,
.md-typeset .mascot-tip > summary {
  background-color: #00897b;
  color: white;
}

/* ---- Warning (common mistakes) — red ---- */
.md-typeset .admonition.mascot-warning,
.md-typeset details.mascot-warning {
  border-color: #c62828;
  background-color: #ffebee;
}
.md-typeset .mascot-warning > .admonition-title,
.md-typeset .mascot-warning > summary {
  background-color: #c62828;
  color: white;
}

/* ---- Celebration (achievements) — deep purple so pale confetti sparkles pop ---- */
/* NOTE: celebration poses typically contain pale gold/white confetti that
   vanishes against light backgrounds. Keep the body dark and flip text
   color to light. Echo's celebration pose has gold and white confetti, so
   this dark treatment is required, not optional. */
.md-typeset .admonition.mascot-celebration,
.md-typeset details.mascot-celebration {
  border-color: #4a148c;
  background-color: #311b4f;
  color: #f3e5f5;
}
.md-typeset .mascot-celebration > .admonition-title,
.md-typeset .mascot-celebration > summary {
  background-color: #4a148c;
  color: white;
}

/* ---- Encourage (difficult content) — blue ---- */
.md-typeset .admonition.mascot-encourage,
.md-typeset details.mascot-encourage {
  border-color: #0277bd;
  background-color: #e1f5fe;
}
.md-typeset .mascot-encourage > .admonition-title,
.md-typeset .mascot-encourage > summary {
  background-color: #0277bd;
  color: white;
}

/* ---- Neutral (general purpose) — slate gray ---- */
.md-typeset .admonition.mascot-neutral,
.md-typeset details.mascot-neutral {
  border-color: #546e7a;
  background-color: #eceff1;
}
.md-typeset .mascot-neutral > .admonition-title,
.md-typeset .mascot-neutral > summary {
  background-color: #546e7a;
  color: white;
}

/* ---- Title: left-align text, remove default MkDocs icon completely ---- */
.md-typeset [class*="mascot-"] > .admonition-title,
.md-typeset [class*="mascot-"] > summary {
  text-align: left;
  padding-left: 0.8rem;
}
.md-typeset [class*="mascot-"] > .admonition-title::before,
.md-typeset [class*="mascot-"] > summary::before {
  display: none;
}

/* ---- Mascot image floated LEFT of admonition body text ---- */
/* The .md-typeset prefix outranks Material's `.md-typeset img { height: auto }`,
   which otherwise stretches tall poses well past --mascot-size. */
.md-typeset img.mascot-admonition-img {
  float: left;
  width: var(--mascot-size);
  height: var(--mascot-size);
  /* margin: top right bottom left */
  margin: 0 .5em 0 0;
  object-fit: contain;
  pointer-events: none;  /* belt-and-suspenders; real exclusion is via glightbox skip_classes */
}