/* ── Life Lab Classroom — lesson-scoped styles ───────────────────────────── */
/* All component rules live under .ll-app to avoid conflicts with            */
/* classroom-home.css. Body-level rules use body.life-lab-page.              */

/* ── Page background (dark cellular-automata theme) ─────────────────────── */
body.life-lab-page {
  background:
    radial-gradient(circle at 15% 8%, rgba(255, 107, 53, 0.12), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(41, 166, 131, 0.12), transparent 34%),
    linear-gradient(180deg, #0b1417 0%, #102026 100%);
  min-height: 100vh;
}

body.life-lab-page.worksheet-mode {
  background: #fff;
  color: #111;
}

/* ── App wrapper + scoped CSS vars ──────────────────────────────────────── */
.ll-app {
  --ll-bg: #f2efe4;
  --ll-panel: #fffdf6;
  --ll-ink: #1c2a31;
  --ll-muted: #334a55;
  --ll-accent: #ff6b35;
  --ll-accent-dark: #cc4a1f;
  --ll-line: #d5d0bf;
  --ll-shadow: 0 16px 40px rgba(28, 42, 49, 0.12);
  font-family: "Bricolage Grotesque", sans-serif;
  position: relative;
  z-index: 0;
  isolation: isolate;
}

.ll-app > *:not(#ambient-life) {
  position: relative;
  z-index: 1;
}

/* ── Ambient background canvas ───────────────────────────────────────────── */
#ambient-life {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  filter: blur(0.3px);
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.ll-app .ll-hero {
  max-width: 1100px;
  margin: 2.8rem auto 1.4rem;
  padding: 0 1rem;
  animation: ll-rise 0.7s ease;
  color: #e9f2ee;
}

.ll-app .ll-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b8ccd1;
  margin-bottom: 0.35rem;
}

.ll-app h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 0.96;
}

.ll-app .hero-copy {
  max-width: 760px;
  font-size: 1.08rem;
  margin: 1rem 0 1.2rem;
  color: #d8e5e2;
}

/* ── Primary button + general buttons ───────────────────────────────────── */
.ll-app .primary-btn,
.ll-app button {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.ll-app .primary-btn {
  display: inline-block;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(120deg, var(--ll-accent), #f78f40);
  padding: 0.58rem 0.95rem;
  border-radius: 18px;
  font-size: 0.88rem;
}

.ll-app .primary-btn:hover,
.ll-app button:hover {
  transform: translateY(-1px);
}

.ll-app button:active {
  transform: translateY(1px);
}

/* ── Main grid layout ────────────────────────────────────────────────────── */
.ll-app main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem 2.5rem;
  display: grid;
  gap: 1rem;
}

/* ── Panels ──────────────────────────────────────────────────────────────── */
.ll-app .panel {
  background: var(--ll-panel);
  border: 1px solid var(--ll-line);
  border-radius: 20px;
  padding: 0.9rem;
  box-shadow: var(--ll-shadow);
}

.ll-app .simulator-panel {
  animation: ll-rise 0.9s ease;
}

.ll-app .panel-head h2 {
  margin: 0;
  font-size: 1.5rem;
}

.ll-app .panel-head p {
  margin: 0.4rem 0 0.8rem;
  color: var(--ll-muted);
}

/* ── Simulator controls ──────────────────────────────────────────────────── */
.ll-app .controls-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

.ll-app .studio-card .panel-head h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  line-height: 1.06;
}

.ll-app .studio-card .sub {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  line-height: 1.25;
  color: var(--ll-muted);
}

.ll-app .control-pair {
  display: grid;
  grid-template-columns: 106px 1fr;
  gap: 0.55rem;
  align-items: center;
}

@media (min-width: 900px) {
  .ll-app .controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 0.8rem;
  }
}

.ll-app .control-pair label,
.ll-app .speed-row > label {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ll-muted);
  line-height: 1.08;
}

.ll-app label {
  display: grid;
  gap: 0;
  font-size: 0.94rem;
  color: var(--ll-muted);
}

.ll-app select,
.ll-app input[type="range"],
.ll-app input[type="color"] {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--ll-line);
  background: #fff;
  font-family: "IBM Plex Mono", monospace;
  padding: 0.48rem 0.6rem;
  min-height: 40px;
  font-size: 0.9rem;
}

.ll-app input[type="color"] {
  min-height: 38px;
  padding: 0.22rem;
  cursor: pointer;
}

.ll-app .speed-row {
  display: grid;
  grid-template-columns: 106px 1fr;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.5rem;
}

.ll-app .speed-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.ll-app .speed-inline input[type="range"] {
  flex: 1;
  min-width: 0;
}

.ll-app .speed-readout {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--ll-muted);
  white-space: nowrap;
}

.ll-app .button-row {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.ll-app button {
  color: #fff;
  background: #2f4950;
  padding: 0.5rem 0.75rem;
  min-height: 41px;
  border-radius: 14px;
  font-size: 0.85rem;
}

.ll-app .ll-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ll-app .ll-preset {
  background: #314b53;
}

.ll-app .ll-preset.is-active {
  background: linear-gradient(120deg, var(--ll-accent), #f78f40);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.16) inset, 0 10px 22px rgba(255,107,53,0.18);
}

.ll-app #applyPatternBtn {
  grid-column: 1 / -1;
}

.ll-app .stats-row {
  margin-top: 0.62rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.ll-app .stats-row p {
  margin: 0;
  color: var(--ll-muted);
}

.ll-app .canvas-wrap {
  margin-top: 0.8rem;
  border: 1px solid var(--ll-line);
  border-radius: 14px;
  overflow: hidden;
  background: #f9f7ef;
  min-height: 180px;
  display: grid;
  place-items: center;
  --sim-size: 520px;
  position: relative;
  cursor: crosshair;
}

.ll-app canvas {
  width: min(100%, var(--sim-size));
  aspect-ratio: 1 / 1;
  height: auto;
  display: block;
  touch-action: none;
}

.ll-app .voxel-viewport {
  width: min(100%, var(--sim-size));
  aspect-ratio: 1 / 1;
  height: auto;
  background: radial-gradient(circle at 50% 35%, #1d2b33, #0d1418 70%);
}

.ll-app .hidden {
  display: none !important;
}

.ll-app .hint {
  margin: 0.5rem 0 0;
  color: var(--ll-muted);
  font-size: 0.82rem;
}

.ll-app .stamp-ghost {
  position: absolute;
  z-index: 4;
  pointer-events: none;
  display: grid;
  gap: 2px;
  opacity: 0.72;
  filter: drop-shadow(0 0 8px rgba(87, 245, 255, 0.32));
}

.ll-app .stamp-ghost.hidden {
  display: none !important;
}

.ll-app .stamp-ghost-cell {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: rgba(87, 245, 255, 0.52);
  border: 1px solid rgba(87, 245, 255, 0.72);
}

.ll-app .universality-toast {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 5;
  max-width: min(90%, 520px);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(13, 20, 24, 0.92);
  border: 1px solid rgba(126, 200, 160, 0.28);
  color: #d9f6e6;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
}

.ll-app .universality-toast.hidden {
  display: none !important;
}

#entropySparkline {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--ll-line);
  background:
    linear-gradient(180deg, rgba(11, 20, 23, 0.96), rgba(16, 32, 38, 0.98));
  display: block;
}

/* ── Learning console ────────────────────────────────────────────────────── */
.ll-app .learning-console .panel-head p,
.ll-app .learning-section .panel-head p {
  max-width: 66ch;
}

.ll-app .learning-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.ll-app .mode-toggle {
  display: inline-flex;
  gap: 0.4rem;
  padding: 0.2rem;
  border: 1px solid var(--ll-line);
  border-radius: 999px;
  background: #f7f3e7;
}

.ll-app .mode-btn,
.ll-app .worksheet-btn {
  min-height: 34px;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: #3b5560;
  color: #fff;
  font-size: 0.78rem;
}

.ll-app .mode-btn.is-active {
  background: linear-gradient(120deg, var(--ll-accent), #ef9258);
}

body.life-lab-page.mode-beginner .ll-app #beginnerModeBtn,
body.life-lab-page.mode-advanced .ll-app #advancedModeBtn {
  background: linear-gradient(120deg, var(--ll-accent), #ef9258);
}

body.life-lab-page.mode-advanced .ll-app .mode-btn {
  background: #3b5560;
}

.ll-app .mode-note {
  margin: 0.5rem 0 0;
  font-size: 0.83rem;
  color: var(--ll-muted);
  max-width: 72ch;
}

/* ── Learning cards ──────────────────────────────────────────────────────── */
.ll-app .learning-cards,
.ll-app .project-grid,
.ll-app .visual-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.ll-app .learning-card,
.ll-app .project-card,
.ll-app .visual-card,
.ll-app .rubric-card {
  border: 1px solid var(--ll-line);
  border-radius: 14px;
  padding: 0.75rem;
  background: linear-gradient(150deg, #fffdf7, #f7f1e3);
}

.ll-app h3 {
  margin: 0;
  font-size: 1.05rem;
}

.ll-app .learning-card p,
.ll-app .project-card p,
.ll-app .visual-card p,
.ll-app .rubric-card p {
  margin: 0.45rem 0 0;
  color: var(--ll-muted);
  line-height: 1.35;
  font-size: 0.9rem;
  max-width: 70ch;
}

.ll-app .learning-card ul,
.ll-app .project-card ul,
.ll-app .rubric-card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.25rem;
  color: var(--ll-ink);
  font-size: 0.88rem;
}

.ll-app .task-box {
  margin-top: 0.6rem;
  border: 1px dashed #b8ad8f;
  border-radius: 11px;
  padding: 0.5rem 0.55rem;
  background: #fff8e8;
}

.ll-app .task-box strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ll-app .task-box p {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  line-height: 1.3;
}

/* ── Advanced / beginner mode toggle ─────────────────────────────────────── */
.ll-app .advanced-only {
  display: none;
}

body.life-lab-page.mode-advanced .advanced-only {
  display: grid;
}

.ll-app .inline-term {
  border-bottom: 1px dotted var(--ll-muted);
}

/* ── SVG diagrams ────────────────────────────────────────────────────────── */
.ll-app .mini-diagram {
  margin-top: 0.55rem;
  width: 100%;
  max-width: 180px;
  height: auto;
}

.ll-app .mini-diagram.wide {
  max-width: 240px;
}

.ll-app .mini-diagram rect {
  fill: #d9e0d8;
  stroke: #294550;
  stroke-width: 1;
}

.ll-app .mini-diagram .grid-off {
  fill: #eef2ea;
}

.ll-app .mini-diagram .cell-center {
  fill: #ff8b4a;
}

.ll-app .mini-diagram .cell-on {
  fill: #ff6b35;
}

/* ── Rubric ──────────────────────────────────────────────────────────────── */
.ll-app .rubric-card {
  margin-top: 0.75rem;
  background: linear-gradient(160deg, #fff8e9, #f6eedf);
}

.ll-app .bonus-line {
  margin-top: 0.45rem;
  font-weight: 600;
}

/* ── Glossary ────────────────────────────────────────────────────────────── */
.ll-app .glossary-section .panel-head p {
  margin-bottom: 0.45rem;
}

.ll-app .glossary-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ll-app .term-chip {
  background: #f6efe0;
  color: #1c2a31;
  border: 1px solid #c7bfa8;
  border-radius: 999px;
  min-height: 32px;
  padding: 0.35rem 0.68rem;
  font-size: 0.78rem;
}

.ll-app .term-chip.is-active {
  background: #ffe2d2;
  border-color: #f3976f;
}

.ll-app .glossary-definition {
  margin-top: 0.55rem;
  border: 1px solid var(--ll-line);
  border-radius: 11px;
  padding: 0.5rem 0.6rem;
  background: #fff;
  min-height: 48px;
  color: var(--ll-muted);
  font-size: 0.86rem;
  max-width: 75ch;
}

/* ── Worksheet mode ──────────────────────────────────────────────────────── */
body.life-lab-page.worksheet-mode .ll-hero,
body.life-lab-page.worksheet-mode #simulator,
body.life-lab-page.worksheet-mode .ll-app .mode-toggle,
body.life-lab-page.worksheet-mode .ll-app .mode-note,
body.life-lab-page.worksheet-mode .ll-app footer {
  display: none;
}

body.life-lab-page.worksheet-mode .ll-app main {
  max-width: 900px;
}

body.life-lab-page.worksheet-mode .ll-app .learning-toolbar {
  justify-content: flex-end;
}

body.life-lab-page.worksheet-mode .ll-app .panel {
  box-shadow: none;
  border: 1px solid #999;
  background: #fff;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.ll-app footer {
  padding: 0.5rem 1rem 2rem;
  text-align: center;
  font-size: 0.92rem;
}

.ll-app footer a {
  color: #7ec8a0;
  text-decoration: none;
}

.ll-app footer a:hover {
  text-decoration: underline;
}

/* ── Print ───────────────────────────────────────────────────────────────── */
@media print {
  .ll-hero,
  #simulator,
  .ll-app .learning-toolbar,
  .ll-app .mode-note,
  .ll-app footer {
    display: none !important;
  }

  body.life-lab-page {
    background: #fff;
  }

  .ll-app .panel {
    box-shadow: none;
    border: 1px solid #777;
    page-break-inside: avoid;
  }
}

/* ── Mobile (≤ 720px) ────────────────────────────────────────────────────── */
@media (max-width: 720px) {
  .ll-app .ll-hero {
    margin-top: 2rem;
  }

  .ll-app .panel {
    padding: 0.7rem;
  }

  .ll-app .control-pair,
  .ll-app .speed-row {
    grid-template-columns: 94px 1fr;
    gap: 0.42rem;
  }

  .ll-app .speed-readout {
    font-size: 0.78rem;
  }

  .ll-app .learning-toolbar {
    align-items: stretch;
  }

  .ll-app .mode-toggle {
    width: 100%;
    justify-content: space-between;
  }

  .ll-app .mode-btn,
  .ll-app .worksheet-btn {
    flex: 1 1 auto;
    font-size: 0.75rem;
    padding: 0.42rem 0.58rem;
  }

  .ll-app .visual-grid {
    grid-template-columns: 1fr;
  }

  .ll-app button {
    min-height: 40px;
    font-size: 0.82rem;
  }

  .ll-app select,
  .ll-app input[type="range"],
  .ll-app input[type="color"] {
    min-height: 38px;
  }
}

/* ── Animation ───────────────────────────────────────────────────────────── */
@keyframes ll-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}