@import "./bio-typography.css";

/* Layout fixes when osmosis pages load inside S3 Bio iframes */
html.bio-embed body {
  padding: 0 !important;
  padding-left: 0 !important;
  padding-bottom: 0 !important;
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

html.bio-embed body.bio-tools-hub,
html.bio-embed body.bio-flashcards-hub {
  padding: 0 !important;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html.bio-embed main {
  padding-top: 0.75rem !important;
  padding-bottom: 1.5rem !important;
  max-width: 100% !important;
}

html.bio-embed .download-bar {
  position: static !important;
  top: auto !important;
  z-index: auto !important;
  margin-bottom: 0.75rem;
}

/* Back navigation on interactive tool sub-pages (not the hub) */
.bio-tool-back-wrap {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  pointer-events: none;
}

.bio-tool-back-wrap--top-right {
  left: auto !important;
  right: 12px;
}

html.bio-embed .bio-tool-back-wrap:not(.bio-tool-back-wrap--top-right) {
  top: 10px;
  left: 10px;
}

html.bio-embed .bio-tool-back-wrap--top-right {
  top: 10px;
  left: auto !important;
  right: 10px;
}

/* Membrane 3D: keep panel toggle top-left clear of back (top-right) */
body.bio-has-tool-back--top-right #panel-toggle-btn {
  top: 16px;
  left: 16px;
  right: auto;
}

body.bio-has-tool-back--top-right #ui-panel {
  top: 64px;
  left: 16px;
}

.bio-tool-back-wrap--inline {
  position: static;
  z-index: auto;
  pointer-events: auto;
  margin: 0 0 0.5rem;
}

body.bio-has-tool-back--inline main {
  padding-top: 0 !important;
}

.bio-tool-back-btn {
  appearance: none;
  -webkit-appearance: none;
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 7px 16px 7px 14px;
  border: 1.5px solid var(--border-color, rgba(0, 0, 0, 0.1));
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-secondary, #5d544f);
  font-family: var(--bio-font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.25;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.bio-tool-back-btn::before {
  content: "←";
  display: inline-block;
  font-size: 1em;
  opacity: 0.75;
  transform: translateY(-0.5px);
}

.bio-tool-back-btn:hover {
  border-color: var(--text-secondary, #5d544f);
  background: #fff;
  color: var(--text-primary, #2c2420);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.bio-tool-back-btn:active {
  transform: scale(0.98);
}

.bio-tool-back-btn:focus-visible {
  outline: 2px solid var(--text-highlight, #78350f);
  outline-offset: 2px;
}

.bio-tool-back-btn--dark {
  border-color: rgba(58, 134, 255, 0.55);
  background: rgba(6, 18, 30, 0.94);
  color: #a8c8e8;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.bio-tool-back-btn.bio-tool-back-btn--ghost {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--primary, #004e9f);
  padding-left: 0;
  padding-right: 0;
}

.bio-tool-back-btn.bio-tool-back-btn--ghost:hover {
  border-color: transparent;
  background: transparent;
  color: var(--primary, #004e9f);
  box-shadow: none;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bio-tool-back-btn--dark:hover {
  border-color: #4cc9f0;
  background: #1a436d;
  color: #e8f4fc;
}

.bio-tool-back-btn--dark:focus-visible {
  outline-color: #4cc9f0;
}

html.bio-embed main.bio-tool-page-main {
  padding-top: 3rem !important;
}

/* Classroom slide iframe embed — compact lab chrome */
html.bio-slide-embed-compact main.bio-tool-page-main {
  padding-top: 0.35rem !important;
  padding-bottom: 0.5rem !important;
}

html.bio-slide-embed-compact main.bio-tool-page-main > header {
  display: none;
}

html.bio-slide-embed-compact aside[class*="col-span-3"] {
  max-height: 42vh;
  overflow-y: auto;
}

/* Draw / highlight tool must sit above quiz panels, sticky nav, and tool chrome */
html.bio-embed #drawCanvas {
  z-index: 90040;
}

html.bio-embed .draw-tool-fab {
  z-index: 90085;
}

html.bio-embed .draw-tool-toolbar {
  z-index: 90086;
}