/* LIFE Observatory — a quiet frame for an extraordinary living system. */
:root {
  color-scheme: dark;
  --void: #080e0e;
  --abyss: #0b1212;
  --deep: #0b1515;
  --surface: #121d1c;
  --elevated: #1a2725;
  --border: #263431;
  --border-light: #3b4e47;
  --life: #b7dfae;
  --life-dim: #98c68e;
  --life-glow: #a9dba520;
  --life-pulse: #a9dba508;
  --energy: #9ecbc9;
  --energy-dim: #76a7a5;
  --mutation: #c5aedc;
  --mutation-dim: #a28bbc;
  --text: #eeeee4;
  --text-dim: #a9b5aa;
  --text-muted: #819188;
  --cell-new: #c8f3bd;
  --cell-young: #b4dfaa;
  --cell-mature: #8fcbb3;
  --cell-old: #78b5ad;
  --cell-ancient: #a4c7b8;
  --font-display: 'DM Sans', sans-serif;
  --font-editorial: 'Instrument Serif', Georgia, serif;
  --glow-sm: 0 0 14px #b7dfae10;
  --glow-md: 0 4px 24px #b7dfae12;
  --glow-lg: 0 4px 36px #b7dfae20;
  --panel-width: 310px;
}
[data-theme="light"] {
  color-scheme: light;
  --void: #f1f1e8;
  --abyss: #f1f1e8;
  --deep: #e8eee4;
  --surface: #f8f8f0;
  --elevated: #e6eadd;
  --border: #d0d7c9;
  --border-light: #b5c4b0;
  --life: #365c3c;
  --life-dim: #294c2f;
  --energy: #386f70;
  --mutation: #755b94;
  --text: #23362c;
  --text-dim: #536553;
  --text-muted: #647560;
  --cell-new: #365c3c;
  --cell-young: #466f42;
  --cell-mature: #3d765d;
  --cell-old: #467769;
  --cell-ancient: #557763;
}
.observatory .app { height: 100dvh; max-height: 100dvh; padding: 0 32px; }
.observatory .ambient-bg { background: radial-gradient(ellipse at 34% 40%, #76977908, transparent 65%); }
.observatory .gradient-orb { display: none; }
.observatory .header { min-height: 78px; padding: 0; background: transparent; backdrop-filter: none; border-color: var(--border); flex-shrink: 0; }
.observatory .logo { gap: 11px; }
.observatory .logo-icon { width: 36px; height: 36px; filter: none; }
.observatory .logo-title { font-size: 25px; font-weight: 500; letter-spacing: .16em; }
.observatory .logo-subtitle { margin-top: 6px; font-family: var(--font-mono); font-size: 8px; text-transform: uppercase; letter-spacing: .13em; }
.header-manifesto { font: 9px var(--font-mono); letter-spacing: .18em; color: var(--text-muted); margin-left: auto; margin-right: auto; padding-left: 20px; }
.observatory .header-nav { gap: 5px; align-items: center; }
.observatory .header-nav .nav-btn { height: 36px; width: 36px; border-radius: 7px; background: none; border: 1px solid transparent; box-shadow: none; color: var(--text-dim); }
.observatory .header-nav .nav-btn:has(.nav-label) { width: auto; gap: 7px; padding: 0 12px; }
.observatory .header-nav .nav-btn:has(.nav-label) svg { width: 17px; height: 17px; }
.observatory .header-nav .nav-btn-featured { border-color: var(--border); }
.observatory .header-nav .nav-btn:hover { background: var(--elevated); color: var(--text); border-color: var(--border); }
.nav-label { font-size: 11px; font-weight: 500; }
.observatory .header-nav #themeToggleBtn { margin-left: 7px; border-left: 1px solid var(--border); border-radius: 0; }
.observatory-intro { display: flex; align-items: center; flex-shrink: 0; gap: 28px; padding: 23px 0 22px; position: relative; }
.eyebrow { font: 8px var(--font-mono); letter-spacing: .17em; color: var(--text-muted); }
.intro-copy h1 { font-family: var(--font-editorial); font-size: 42px; line-height: 1.15; font-weight: 400; letter-spacing: -.025em; margin-top: 4px; }
.intro-copy h1 em { color: var(--life); font-weight: 400; }
.intro-description { padding-left: 26px; border-left: 1px solid var(--border); color: var(--text-muted); font-size: 11px; line-height: 1.85; }
.workspace-state { margin-left: auto; display: flex; align-items: center; gap: 10px; font: 9px var(--font-mono); color: var(--text-dim); }
.status-light, .graph-dot { width: 5px; height: 5px; display: inline-block; border-radius: 50%; background: var(--life); box-shadow: 0 0 10px var(--life-glow); }
.state-divider { height: 12px; width: 1px; background: var(--border-light); margin: 0 2px; }
.observatory .main { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--deep); }
.observatory .canvas-container { padding: 50px 30px 122px; background: radial-gradient(ellipse at 50% 48%, #8bba9420 0, transparent 65%); isolation: isolate; }
.observatory .canvas-container::before { content: ''; position: absolute; inset: 47px 20px 102px; border: 1px solid #91bda208; border-radius: 50%; pointer-events: none; z-index: -1; }
.canvas-topline { position: absolute; top: 0; left: 0; right: 0; height: 46px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--border); }
.canvas-kicker { font: 8px var(--font-mono); letter-spacing: .12em; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
.mini-cross { color: var(--life); font-size: 18px; font-weight: 400; }
.field-actions { display: flex; gap: 12px; align-items: center; }
.field-actions button { display: flex; align-items: center; gap: 5px; font-size: 10px; color: var(--text-muted); min-width: 28px; min-height: 28px; justify-content: center; }
.field-actions button svg { width: 17px; height: 17px; }
.field-actions button:hover, .field-actions button[aria-pressed="true"] { color: var(--life); }
.field-coordinate { position: absolute; left: 19px; color: var(--text-muted); opacity: .65; font: 7px var(--font-mono); letter-spacing: .14em; writing-mode: vertical-rl; pointer-events: none; }
.coordinate-nw { top: 69px; }
.coordinate-sw { bottom: 132px; transform: rotate(180deg); }
.observatory #gameCanvas { background: transparent; border-radius: 0; box-shadow: none; max-width: 100%; max-height: 100%; }
.observatory #gameCanvas:hover { box-shadow: none; }
.observatory #gameCanvas:focus-visible { outline: 1px solid var(--life); outline-offset: 5px; box-shadow: 0 0 20px var(--life-glow); }
.observatory .floating-stats { top: 66px; left: 39px; gap: 20px; z-index: 2; }
.observatory .stat { background: none; border: 0; border-radius: 0; padding: 0; align-items: flex-start; backdrop-filter: none; gap: 7px; }
.observatory .stat-value { font-family: var(--font-display); font-weight: 450; font-size: 24px; font-variant-numeric: tabular-nums; color: var(--text); letter-spacing: -.03em; }
.observatory .stat-label { font: 7px var(--font-mono); letter-spacing: .12em; color: var(--text-muted); }
.field-caption { position: absolute; left: 39px; bottom: 99px; right: 30px; display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 10px; }
.caption-line { height: 1px; width: 22px; background: var(--life); }
.caption-note { margin-left: auto; color: var(--text-muted); font-size: 9px; }
.observatory .population-graph { bottom: 0; left: 0; right: var(--panel-width); height: 79px; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; backdrop-filter: none; padding: 10px 21px 9px; }
.observatory .graph-header { margin: 0; }
.observatory .graph-title { display: flex; align-items: center; gap: 8px; font: 8px var(--font-mono); text-transform: none; letter-spacing: 0; color: var(--text-dim); }
.graph-subtitle { color: var(--text-muted); }
.observatory .graph-value { font-size: 10px; font-weight: 400; }
.observatory #graphCanvas { background: transparent; min-height: 20px; }
.observatory .graph-axis { font-size: 7px; }
.observatory .zoom-controls { bottom: 139px; right: 17px; flex-direction: column; gap: 0; padding: 3px; border: 1px solid var(--border); border-radius: 8px; background: var(--abyss); }
.observatory .zoom-btn { width: 28px; height: 29px; background: transparent; backdrop-filter: none; border: 0; border-radius: 4px; }
.observatory .zoom-btn svg { width: 15px; height: 15px; }
.observatory .zoom-btn:hover { background: var(--elevated); color: var(--life); transform: none; }
.observatory .panel { width: var(--panel-width); background: var(--abyss); backdrop-filter: none; scrollbar-width: thin; scrollbar-color: var(--border-light) transparent; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px 0; flex-shrink: 0; }
.panel-heading-mark { color: var(--text-muted); font-size: 15px; }
.observatory .panel-section { padding: 16px 22px; }
.observatory .transport { padding-top: 13px; display: flex; flex-wrap: wrap; gap: 8px; }
.scene-picker { width: 100%; margin-bottom: 8px; }
.scene-picker label { font-size: 12px; color: var(--text-dim); display: block; margin-bottom: 11px; }
.scene-select-wrap { display: flex; align-items: center; border: 1px solid var(--border-light); border-radius: 7px; padding-left: 12px; background: var(--surface); }
.scene-glyph { font-size: 20px; color: var(--life); }
.scene-select-wrap select { width: 100%; background: transparent; border: 0; color: var(--text); padding: 12px 8px; font: 12px var(--font-display); cursor: pointer; min-width: 0; }
.scene-select-wrap select:disabled { cursor: default; opacity: .65; }
.scene-select-wrap:focus-within { outline: 2px solid var(--life); outline-offset: 2px; }
.scene-select-wrap select:focus-visible { outline: none; }
.scene-select-wrap option { background: var(--surface); }
.observatory .transport-controls { width: 100%; margin: 0; gap: 8px; align-items: center; }
.observatory .transport-btn { border-radius: 7px; height: 43px; width: 42px; flex-shrink: 0; }
.observatory .transport-btn.primary { order: -1; flex: 1; width: auto; height: 43px; box-shadow: none; animation: none; background: var(--life); color: #192c1b; justify-content: flex-start; padding: 0 13px; gap: 9px; font-size: 12px; font-weight: 650; }
.observatory .transport-btn.primary.playing { background: var(--energy); }
.observatory .transport-btn.primary:hover { background: #ccebc6; transform: translateY(-1px); box-shadow: 0 4px 15px #a4d7ab16; }
.observatory .transport-btn svg { width: 15px; height: 15px; }
.observatory .transport-btn.secondary { background: transparent; border-color: var(--border); }
.play-key { margin-left: auto; opacity: .5; font-size: 17px; }
.scene-secondary-actions { display: flex; width: 100%; justify-content: space-between; align-items: center; margin: 3px 0 9px; }
.reset-scene-btn { display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 10px; min-height: 28px; }
.reset-scene-btn svg { width: 13px; height: 13px; }
.reset-scene-btn:hover { color: var(--life); }
.transport-hint { font-size: 9px; color: var(--text-muted); }
.transport-hint kbd { font: 8px var(--font-mono); border: 1px solid var(--border); padding: 2px 3px; border-radius: 3px; }
.observatory .transport .action-btn { min-height: 33px; margin: 0; border: 0; border-radius: 5px; padding: 6px 8px; justify-content: flex-start; font-size: 11px; background: transparent; color: var(--text-dim); box-shadow: none; }
.observatory .transport .action-btn:hover { background: var(--surface); color: var(--life); }
.observatory .transport #randomBtn { width: 100%; background: var(--surface); border: 1px solid var(--border); justify-content: center; }
.observatory .transport .expedition-action, .observatory .transport .discover-btn { width: 100%; }
.observatory .action-progress { margin-left: auto; font: 8px var(--font-mono); color: var(--text-muted); background: none; border: 0; }
.observatory .section-header { margin-bottom: 12px; }
.observatory .section-header h3 { font-size: 10px; font-weight: 500; letter-spacing: .015em; text-transform: none; color: var(--text-dim); }
.observatory .section-value { font-size: 9px; color: var(--text-dim); }
.observatory .help-hint { width: 12px; height: 12px; font-size: 8px; background: var(--elevated); color: var(--text-muted); }
.observatory .size-presets { display: flex; gap: 4px; }
.observatory .size-btn { min-width: 0; flex: 1; padding: 6px 0; border-radius: 4px; background: transparent; font: 9px var(--font-mono); border-color: var(--border); color: var(--text-muted); }
.observatory .size-btn.active { background: var(--elevated); color: var(--life); border-color: var(--border-light); box-shadow: none; }
.observatory .slider { height: 3px; background: var(--border); }
.observatory .slider::-webkit-slider-thumb { width: 12px; height: 12px; background: var(--life); box-shadow: 0 0 0 4px var(--life-glow); }
.observatory .slider::-moz-range-thumb { width: 12px; height: 12px; background: var(--life); border: none; box-shadow: 0 0 0 4px var(--life-glow); }
.observatory .mode-toggle-section { order: 20; position: static; padding: 16px 22px; background: transparent; border-bottom: 0; border-top: 1px solid var(--border); }
.observatory .mode-toggle-btn { background: transparent; font-size: 10px; color: var(--text-dim); border-radius: 6px; min-height: 34px; }
.observatory .seo-content { order: 21; }
.observatory .pattern-categories { flex-wrap: wrap; overflow: visible; gap: 5px; margin-bottom: 12px; padding-bottom: 0; }
.observatory .category-btn { padding: 4px 6px; font-size: 8px; border-color: transparent; border-radius: 4px; color: var(--text-muted); }
.observatory .category-btn.active { background: var(--elevated); color: var(--life); border-color: var(--border-light); }
.observatory .pattern-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; min-height: 0; max-height: 216px; padding-right: 2px; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.observatory .pattern-card { padding: 10px 4px 8px; border-radius: 6px; background: var(--surface); border-color: var(--border); min-height: 82px; justify-content: center; }
.observatory .pattern-card:hover { border-color: var(--border-light); background: var(--elevated); box-shadow: none; }
.observatory .pattern-card.selected { border-color: var(--life); background: var(--elevated); animation: none; box-shadow: none; }
.observatory .pattern-preview { width: 35px; height: 35px; opacity: .9; }
.observatory .pattern-name { font-size: 8px; margin-top: 4px; line-height: 1.35; }
.observatory .patterns-section .nav-btn { width: 24px; height: 22px; }
.observatory .tool-btns { gap: 6px; }
.observatory .tool-btn { background: transparent; border-radius: 6px; font-size: 9px; padding: 8px; }
.observatory .tool-btn.active { color: var(--life); background: var(--elevated); border-color: var(--border-light); }
.observatory .site-footer { display: flex; justify-content: space-between; position: relative; padding: 13px 0; background: none; flex-shrink: 0; }
.footer-quote { font-family: var(--font-editorial); font-style: italic; font-size: 13px; color: var(--text-muted); }
.observatory .footer-nav { gap: 19px; }
.observatory .footer-nav a { font-size: 9px; }
.observatory .canvas-overlays-right { top: 112px; right: 17px; max-width: 122px; }
.observatory .extended-stats { gap: 4px; }
.observatory .extended-stat { background: var(--abyss); border: 1px solid var(--border); border-radius: 5px; padding: 5px 7px; }
.observatory .extended-label { font-size: 8px; color: var(--text-muted); }
.observatory .extended-value { font-size: 9px; }
.observatory .mode-indicator { top: 52px; font: 9px var(--font-mono); border-radius: 5px; padding: 5px 9px; animation: none; background: var(--surface); border-color: var(--border); }
.observatory .modal-content, .observatory .mobile-sheet { background: var(--abyss); border-color: var(--border-light); box-shadow: 0 30px 100px #0008; }
.observatory .modal-backdrop { background: #040909b3; backdrop-filter: blur(12px); }
.observatory .modal-content { border-radius: 14px; }
.observatory .modal-content h2 { letter-spacing: -.025em; }
.observatory .onboarding-backdrop { background: #071211a8; backdrop-filter: blur(9px); }
.observatory .onboarding-card { max-width: 490px; width: calc(100% - 32px); padding: 35px 38px 28px; background: var(--abyss); border-radius: 15px; border: 1px solid var(--border-light); box-shadow: 0 40px 100px #0007; text-align: left; }
.observatory .onboarding-icon { color: var(--life); margin-bottom: 18px; }
.observatory .onboarding-icon svg { color: var(--life); }
.observatory .onboarding-card h3 { font-family: var(--font-editorial); font-size: 39px; font-weight: 400; color: var(--text); line-height: 1.1; letter-spacing: -.02em; margin: 11px 0 18px; }
.observatory .onboarding-card h3 em { color: var(--life); font-weight: 400; }
.observatory .onboarding-card h3:focus { outline: none; }
.observatory .onboarding-card p { font-size: 12px; line-height: 1.85; max-width: 340px; margin-bottom: 28px; }
.observatory .onboarding-nav { border-top: 1px solid var(--border); padding-top: 18px; gap: 12px; }
.observatory .onboarding-skip { font-size: 10px; padding: 8px 0; color: var(--text-muted); }
.observatory .onboarding-next { background: var(--life); color: var(--void); font-size: 11px; padding: 9px 17px; border-radius: 6px; }
.observatory .onboarding-dot { width: 5px; height: 5px; }
.observatory .onboarding-dot.active { background: var(--life); }
.observatory .onboarding-dots { gap: 5px; }
.observatory .toggle-slider { box-shadow: none; }
.observatory button:focus-visible, .observatory select:focus-visible, .observatory a:focus-visible { outline: 2px solid var(--life); outline-offset: 3px; }
.observatory button { transition: color .18s, background .18s, border-color .18s, transform .18s; }
.observatory .panel-section.locked::after { font-size: 8px; color: var(--text-muted); }
.observatory .evolution-trial-hud, .observatory .expedition-hud { top: 118px; left: 34px; background: var(--abyss); border-color: var(--border-light); }
.observatory .coords-display { bottom: 125px; }
[data-theme="light"] .observatory .canvas-container { background: radial-gradient(ellipse at center, #fff7, transparent 70%); }
[data-theme="light"] .observatory .stat { background: none; }
[data-theme="light"] .observatory .transport-btn.primary { color: #f6faef; }
[data-theme="light"] .observatory .transport-btn.primary:hover { background: #446e48; }
[data-theme="light"] .observatory .canvas-container::before { border-color: #536d5310; }
[data-theme="light"] .observatory .onboarding-next { color: #f6faef; }
/* A true canvas-first view keeps the essential playback controls available. */
.focus-mode .header, .focus-mode .observatory-intro, .focus-mode .site-footer { display: none; }
.observatory.focus-mode .app { padding: 14px; }
.observatory.focus-mode .panel { display: none; }
.observatory.focus-mode .population-graph { right: 0; }
.observatory.focus-mode .canvas-container { padding-top: 56px; padding-bottom: 116px; }
.observatory.focus-mode .mobile-overlay { display: flex; bottom: 94px; z-index: 20; }
.observatory.focus-mode .mobile-transport { padding: 5px; gap: 6px; background: var(--abyss); border: 1px solid var(--border); border-radius: 50px; }
.observatory.focus-mode .mobile-btn { width: 37px; height: 37px; background: var(--surface); border: none; box-shadow: none; }
.observatory.focus-mode .mobile-btn.primary { width: 44px; height: 44px; background: var(--life); color: var(--void); }
@media (min-width: 1500px) {
  :root { --panel-width: 340px; }
  .observatory .app { padding: 0 48px; }
  .observatory .header { min-height: 88px; }
  .observatory-intro { padding: 28px 0; }
  .intro-copy h1 { font-size: 51px; }
  .observatory .panel-section { padding-left: 25px; padding-right: 25px; }
  .observatory .pattern-grid { max-height: 275px; }
}
@media (min-width: 901px) and (max-height: 800px) {
  .observatory .header { min-height: 64px; }
  .observatory-intro { padding: 14px 0 16px; }
  .intro-copy h1 { font-size: 37px; }
  .observatory .panel-section { padding-top: 12px; padding-bottom: 12px; }
  .observatory .transport { gap: 3px; }
  .observatory .transport .action-btn { min-height: 29px; }
  .observatory .canvas-container { padding-top: 49px; padding-bottom: 108px; }
  .field-caption { bottom: 88px; }
  .observatory .population-graph { height: 71px; }
  .observatory .canvas-overlays-right { top: 106px; }
  .observatory .zoom-controls { bottom: 119px; }
  .coordinate-sw { bottom: 120px; }
}
@media (max-width: 1150px) {
  .header-manifesto { display: none; }
  .observatory .app { padding: 0 20px; }
  .observatory .floating-stats { left: 34px; gap: 15px; }
  .observatory .stat-value { font-size: 21px; }
  .footer-quote { display: none; }
  .observatory .site-footer { justify-content: center; }
}
@media (max-width: 900px) {
  .observatory .app { padding: 0 17px; }
  .observatory .header { height: 66px; min-height: 66px; padding: 0; }
  .observatory .logo-title { font-size: 21px; }
  .observatory .logo-icon { width: 29px; }
  .observatory .logo-subtitle { display: none; }
  .observatory .header-nav { gap: 0; }
  .observatory .header-nav .nav-btn { width: 36px; height: 40px; }
  .observatory .header-nav .nav-btn:has(.nav-label) { width: 36px; padding: 0; border: 0; }
  .nav-label { display: none; }
  .observatory .header-nav #keyboardBtn, .observatory .header-nav #infoBtn { display: none; }
  .observatory .header-nav #themeToggleBtn { margin-left: 3px; }
  .observatory-intro { padding: 18px 0; gap: 10px; }
  .intro-copy h1 { font-size: 37px; }
  .intro-description { display: none; }
  .eyebrow { font-size: 7px; }
  .workspace-state { font-size: 8px; gap: 6px; flex-wrap: wrap; justify-content: flex-end; max-width: 128px; }
  .observatory .main { margin-bottom: 111px; border-radius: 10px; }
  .observatory .panel { display: none; }
  .observatory .canvas-container { padding: 88px 8px 64px; flex: 1; min-height: 0; }
  .observatory .canvas-container::before { inset: 70px 6px 40px; }
  .canvas-topline { height: 41px; padding: 0 12px; }
  .canvas-kicker { font-size: 7px; gap: 6px; }
  .field-actions { gap: 6px; }
  .field-actions button { min-height: 32px; }
  .field-actions button span { font-size: 9px; }
  .observatory .floating-stats { display: flex; top: 57px; left: 20px; gap: 22px; }
  .observatory .stat-value { font-size: 22px; }
  .observatory .stat-label { font-size: 6px; }
  .observatory .stat { gap: 4px; }
  .field-coordinate { display: none; }
  .field-caption { bottom: 20px; left: 20px; right: 20px; font-size: 10px; gap: 8px; }
  .caption-note { display: none; }
  .observatory .zoom-controls { top: auto; bottom: 13px; right: 12px; flex-direction: row; padding: 0; border: 0; background: transparent; }
  .observatory .zoom-btn { width: 28px; height: 32px; }
  .observatory #gameCanvas { max-width: 100%; }
  .observatory .population-graph, .observatory .mobile-stats, .observatory .site-footer { display: none; }
  .observatory .mobile-overlay { bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
  .observatory .mobile-transport { background: var(--surface); padding: 7px; border: 1px solid var(--border); border-radius: 50px; gap: 12px; }
  .observatory .mobile-btn { width: 43px; height: 43px; background: transparent; border: 0; box-shadow: none; }
  .observatory .mobile-btn.primary { width: 52px; height: 52px; background: var(--life); color: var(--void); box-shadow: none; }
  .observatory .mobile-menu-btn { bottom: calc(41px + env(safe-area-inset-bottom, 0px)); right: 22px; width: 43px; height: 43px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border-light); box-shadow: none; color: var(--life); }
  .observatory .mobile-menu-btn.active { display: none; }
  .observatory .mobile-sheet { border-radius: 18px 18px 0 0; }
  .observatory .sheet-tab.active { background: var(--surface); color: var(--life); }
  .observatory .mode-indicator { top: 54px; left: auto; right: 13px; transform: none; bottom: auto; font-size: 7px; }
  .observatory .canvas-overlays-right { top: 96px; right: 12px; max-width: 104px; }
  .observatory .extended-stats { display: none !important; }
  .observatory .expedition-hud, .observatory .evolution-trial-hud { top: 104px; left: 12px; right: 12px; width: auto; }
  .observatory .onboarding-card { padding: 27px; }
  .observatory .onboarding-card h3 { font-size: 36px; }
  .observatory .modal-content { border-radius: 16px 16px 0 0; }
  .observatory.focus-mode .app { padding: 8px; }
  .observatory.focus-mode .main { margin-bottom: 0; }
  .observatory.focus-mode .canvas-container { padding: 94px 8px 97px; }
  .observatory.focus-mode .mobile-overlay { bottom: 67px; }
  .observatory.focus-mode .mobile-menu-btn { display: none; }
  .observatory.focus-mode .field-caption { bottom: 22px; }
  .observatory.focus-mode .zoom-controls { bottom: 15px; }
}
@media (max-width: 380px) {
  .observatory .app { padding: 0 11px; }
  .observatory .header-nav .nav-btn { width: 32px; }
  .observatory .header-nav .nav-btn:has(.nav-label) { width: 32px; }
  .observatory .header-nav #leaderboardBtn { display: none; }
  .intro-copy h1 { font-size: 33px; }
  .observatory .mobile-menu-btn { right: 12px; }
  .observatory .mobile-transport { gap: 6px; }
  .workspace-state { max-width: 104px; }
}
@media (max-height: 640px) and (max-width: 900px) {
  .observatory .header { min-height: 49px; height: 49px; }
  .observatory-intro { padding: 8px 0; }
  .intro-copy h1 { font-size: 29px; }
  .observatory .main { margin-bottom: 91px; }
  .observatory .mobile-overlay { bottom: 10px; }
  .observatory .mobile-menu-btn { bottom: 26px; }
  .observatory .canvas-container { padding-top: 57px; padding-bottom: 47px; }
  .observatory .floating-stats { top: 53px; left: 15px; gap: 15px; }
  .observatory .stat-value { font-size: 18px; }
  .field-caption { bottom: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .observatory *, .observatory *::before, .observatory *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
/* Comfortable reading sizes without competing with the field itself. */
.observatory .panel-heading { padding-top: 15px; gap: 12px; }
.observatory .panel-heading .mode-toggle-section { padding: 0; border: 0; order: 0; }
.observatory .panel-heading .mode-toggle-btn { width: auto; min-height: 26px; border: 0; padding: 3px 0; font-size: 10px; background: none; }
.observatory .transport .expedition-action { display: none; }
.observatory .transport .discover-btn { justify-content: center; }
.observatory .scene-picker label { font-size: 13px; }
.observatory .scene-select-wrap select { font-size: 13px; }
.observatory .section-header h3 { font-size: 12px; }
.observatory .section-value { font-size: 10px; }
.observatory .size-btn { font-size: 10px; padding: 8px 0; }
.observatory .category-btn { font-size: 10px; }
.observatory .pattern-name { font-size: 10px; }
.observatory .tool-btn { font-size: 11px; }
.observatory .transport .action-btn { font-size: 12px; }
.observatory .reset-scene-btn { font-size: 11px; }
.observatory .stat-label { font-size: 8px; }
.observatory .canvas-kicker { font-size: 9px; }
.observatory .field-caption { font-size: 11px; }
.observatory .caption-note { font-size: 10px; }
.observatory .graph-title { font-size: 9px; }
.observatory .workspace-state { font-size: 10px; }
.observatory .intro-description { font-size: 12px; }
.observatory .footer-nav a { font-size: 10px; }
.observatory .nav-label { font-size: 12px; }
.observatory .header-manifesto { font-size: 9px; }
.observatory .eyebrow { font-size: 9px; }
.observatory .field-actions button { font-size: 11px; }
.observatory .pattern-grid { max-height: 246px; }
.observatory .pattern-preview { width: 42px; height: 42px; }
.observatory .pattern-card { min-height: 91px; }
.observatory[data-simulation-state="running"] .status-light { box-shadow: 0 0 0 4px var(--life-glow); }
.observatory[data-simulation-state="empty"] .status-light { background: var(--text-muted); box-shadow: none; }
@media (max-width: 900px) {
  .observatory .eyebrow { font-size: 8px; }
  .observatory .workspace-state { font-size: 9px; }
  .observatory .canvas-kicker { font-size: 8px; }
  .observatory .stat-label { font-size: 7px; }
}
.observatory .mobile-overlay { top: auto; left: 0; right: 0; width: auto; height: auto; transform: none; padding: 0; justify-content: center; align-items: center; }
.observatory .mobile-transport { align-items: center; flex-direction: row; }
#mobileSceneSelect, #mobileResetSceneBtn { display: none; }
@media (max-width: 900px) {
  .observatory .field-caption { bottom: 13px; right: 15px; left: 15px; }
  .observatory #sceneCaption, .observatory .caption-line { display: none; }
  #mobileSceneSelect { display: block; max-width: 147px; width: auto; font: 11px var(--font-display); color: var(--text-dim); background: var(--deep); border: 0; min-height: 37px; padding: 0 0 0 3px; }
  #mobileResetSceneBtn { display: block; width: 30px; height: 37px; color: var(--text-dim); font-size: 22px; }
  .observatory .zoom-controls { bottom: 17px; }
  .observatory #centerBtn { display: none; }
}
@media (max-width: 350px) {
  #mobileSceneSelect { max-width: 127px; font-size: 10px; }
  .observatory #fitBtn { display: none; }
}
@media (max-width: 900px) and (max-height: 500px) and (orientation: landscape) {
  .observatory .app { padding: 0 12px; }
  .observatory .header { height: 44px; min-height: 44px; }
  .observatory .observatory-intro { display: none; }
  .observatory .main { margin-top: 5px; margin-bottom: 8px; }
  .observatory .canvas-container { padding: 44px 68px 45px; }
  .observatory .canvas-topline { height: 35px; }
  .observatory .floating-stats { top: 50px; left: 15px; }
  .observatory .mobile-overlay { left: 25px; right: auto; width: 52px; bottom: 39%; transform: translateY(50%); }
  .observatory .mobile-transport { flex-direction: column; gap: 5px; padding: 5px; }
  .observatory .mobile-btn { width: 35px; height: 35px; }
  .observatory .mobile-btn.primary { width: 40px; height: 40px; }
  .observatory .mobile-menu-btn { bottom: 18px; right: 24px; }
  .observatory .field-caption { bottom: 5px; }
  .observatory .zoom-controls { bottom: 11px; right: 67px; }
  .observatory .mode-indicator { top: 44px; }
  .observatory.focus-mode .canvas-container { padding: 44px 68px 45px; }
  .observatory.focus-mode .mobile-overlay { bottom: 43%; }
}

/* Specimens, field notes, and the light in which we see them. */
:root[data-palette="tide"] {
  --void: #081017; --abyss: #0a131b; --deep: #0b1821;
  --surface: #12222d; --elevated: #1c2e3a; --border: #2a3d49; --border-light: #415a67;
  --life: #a2dbe5; --life-dim: #80bdcc; --life-glow: #a2dbe522; --life-pulse: #a2dbe508;
  --text: #e8eff0; --text-dim: #a8bbc2; --text-muted: #849ca7;
  --cell-new: #c1f2f5; --cell-young: #9ddde5; --cell-mature: #81c1d7; --cell-old: #839fcf; --cell-ancient: #b7bfdc;
}
:root[data-palette="ember"] {
  --void: #130e0b; --abyss: #19120f; --deep: #1c1610;
  --surface: #261e16; --elevated: #33291e; --border: #42362a; --border-light: #62523d;
  --life: #e4bd88; --life-dim: #cfa06c; --life-glow: #e4bd8822; --life-pulse: #e4bd8808;
  --text: #f2eade; --text-dim: #c4b39b; --text-muted: #a29179;
  --cell-new: #f7dfb3; --cell-young: #e8c287; --cell-mature: #dba57a; --cell-old: #c68972; --cell-ancient: #c8a392;
}
:root[data-theme="light"][data-palette="tide"] {
  --void: #edf2f1; --abyss: #edf2f1; --deep: #e2edee;
  --surface: #f6faf8; --elevated: #dae6e7; --border: #c6d7d9; --border-light: #a4bec2;
  --life: #285e71; --life-dim: #194c60; --text: #233e47; --text-dim: #506a74; --text-muted: #607985;
  --cell-new: #245870; --cell-young: #2b6e7e; --cell-mature: #3b7b8a; --cell-old: #4b738e; --cell-ancient: #626f8f;
}
:root[data-theme="light"][data-palette="ember"] {
  --void: #f6f0e6; --abyss: #f6f0e6; --deep: #efe5d5;
  --surface: #fff9f0; --elevated: #e9ddc9; --border: #ded0bb; --border-light: #c6b391;
  --life: #80582a; --life-dim: #69451f; --text: #493923; --text-dim: #776249; --text-muted: #857058;
  --cell-new: #80582a; --cell-young: #96632c; --cell-mature: #a57147; --cell-old: #ac7755; --cell-ancient: #a68064;
}
.observatory-mode-switch { display: flex; gap: 3px; align-items: center; padding: 4px; border: 1px solid var(--border); border-radius: 8px; margin-left: auto; }
.observatory-mode-switch button { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 12px; border-radius: 5px; color: var(--text-muted); font-size: 11px; }
.observatory-mode-switch button[aria-pressed="true"] { background: var(--elevated); color: var(--life); box-shadow: 0 1px 4px #0001; }
.observatory-mode-switch button:not(:disabled):hover { color: var(--text); }
.observatory-mode-switch button:disabled { cursor: default; opacity: .65; }
.mode-symbol { font-size: 16px; line-height: 1; }
.observatory .workspace-state { margin-left: 22px; }
.observatory .field-actions { gap: 11px; }
.observatory .field-actions > button { min-width: 30px; min-height: 32px; border-radius: 5px; }
.observatory .field-actions > button:hover { background: var(--elevated); }
.palette-picker { position: relative; z-index: 60; }
.palette-picker summary { list-style: none; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; border-radius: 5px; }
.palette-picker summary::-webkit-details-marker { display: none; }
.palette-picker summary:focus-visible { outline: 2px solid var(--life); outline-offset: 2px; }
.palette-picker summary:hover, .palette-picker[open] summary { background: var(--elevated); }
.palette-orb { display: block; width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--cell-new) 0 46%, var(--cell-old) 47% 100%); box-shadow: 0 0 0 3px var(--life-glow); }
.palette-menu { position: absolute; width: 227px; top: 40px; right: -6px; border: 1px solid var(--border-light); border-radius: 10px; background: var(--abyss); padding: 17px 10px 10px; box-shadow: 0 12px 40px #0005; }
.palette-menu > .eyebrow { display: block; padding: 0 8px 11px; font-size: 8px; }
.observatory .palette-menu button { width: 100%; min-height: 52px; justify-content: flex-start; gap: 12px; padding: 8px; border-radius: 6px; text-align: left; color: var(--text-dim); }
.observatory .palette-menu button:hover { background: var(--surface); }
.observatory .palette-menu button[aria-pressed="true"] { background: var(--elevated); color: var(--text); }
.palette-swatch { display: block; height: 24px; width: 24px; border-radius: 50%; flex-shrink: 0; }
.palette-swatch.moss { background: linear-gradient(135deg, #c8f3bd, #78b5ad); }
.palette-swatch.tide { background: linear-gradient(135deg, #c1f2f5, #839fcf); }
.palette-swatch.ember { background: linear-gradient(135deg, #f7dfb3, #c68972); }
.palette-menu button > span:first-of-type { font-size: 12px; }
.palette-menu small { display: block; font: 10px var(--font-display); color: var(--text-muted); margin-top: 3px; }
.palette-check { margin-left: auto; font-size: 12px; opacity: 0; }
[aria-pressed="true"] .palette-check { opacity: 1; }
.field-guide { display: none; position: absolute; width: 165px; left: 38px; top: 157px; z-index: 1; pointer-events: none; }
.has-field-guide .field-guide { display: block; }
.field-guide .eyebrow { font-size: 8px; }
.field-guide h2 { font: 32px/1.08 var(--font-editorial); letter-spacing: -.02em; font-weight: 400; color: var(--text); margin: 19px 0 15px; }
.field-guide h2 em { font-weight: 400; color: var(--life); }
.field-guide p { font-size: 11px; line-height: 1.85; color: var(--text-muted); text-wrap: pretty; }
.specimen-sequence { display: flex; gap: 5px; align-items: center; margin-top: 25px; margin-left: -5px; }
.specimen-sequence[hidden] { display: none; }
.specimen-sequence canvas { width: 38px; height: 38px; opacity: .4; border-radius: 4px; transition: opacity .25s, background .25s; }
.specimen-sequence canvas[hidden] { display: none; }
.specimen-sequence .current-phase { opacity: 1; background: var(--life-glow); }
.field-note-detail { display: block; margin-top: 15px; font: 7px/1.8 var(--font-mono); letter-spacing: .08em; color: var(--text-muted); }
.observatory .canvas-container { background: radial-gradient(ellipse at center, var(--life-glow), transparent 72%); }
.observatory .canvas-container::before { opacity: .6; }
.observatory #gameCanvas { box-shadow: 0 0 0 1px color-mix(in srgb, var(--border) 45%, transparent); }
.observatory #gameCanvas:hover { box-shadow: 0 0 0 1px var(--border); }
.observatory .scene-picker { margin-bottom: 0; }
.observatory .scene-picker label { font-size: 10px; color: var(--text-muted); margin-bottom: 2px; }
.observatory .scene-select-wrap { border: none; background: none; padding-left: 0; gap: 5px; }
.observatory .scene-select-wrap select { font-family: var(--font-editorial); font-size: 26px; padding: 6px 1px 9px; color: var(--text); }
.observatory .scene-select-wrap option { font: 13px var(--font-display); }
.observatory .scene-glyph { display: none; }
.scene-thumbnails { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin: 4px 0 14px; }
.scene-thumbnails button { position: relative; border: 1px solid var(--border); background: var(--surface); border-radius: 7px; overflow: hidden; min-height: 74px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; }
.scene-thumbnails button canvas { display: block; width: 100%; height: 46px; object-fit: contain; opacity: .7; }
.scene-thumbnails button span { color: var(--text-muted); font-size: 10px; padding: 2px 0 9px; }
.scene-thumbnails button[aria-pressed="true"] { border-color: var(--life); background: var(--elevated); }
.scene-thumbnails button[aria-pressed="true"] canvas { opacity: 1; }
.scene-thumbnails button[aria-pressed="true"] span { color: var(--life); }
.scene-thumbnails button:not(:disabled):hover { transform: translateY(-2px); border-color: var(--life); }
.scene-thumbnails button:disabled { opacity: .55; cursor: default; }
.scene-thumbnails button[aria-pressed="true"]:disabled { opacity: .9; }
.observatory .transport { padding-bottom: 12px; }
.observatory .scene-secondary-actions { margin-bottom: 6px; }
.observatory .transport #randomBtn { display: none; }
.observatory .transport .discover-btn { margin-top: 3px; }
.pattern-search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 6px; padding: 0 9px; margin-bottom: 11px; background: var(--surface); }
.pattern-search:focus-within { border-color: var(--life); }
.pattern-search svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--text-muted); }
.pattern-search input { min-width: 0; width: 100%; border: 0; outline: none; color: var(--text); background: transparent; padding: 10px 0; font: 11px var(--font-display); }
.pattern-search input::placeholder { color: var(--text-muted); opacity: .85; }
.pattern-search span { font: 9px var(--font-mono); color: var(--text-muted); }
.observatory .pattern-search-empty { color: var(--text-muted); font-size: 12px; line-height: 1.6; padding: 14px 3px; }
.pattern-search-empty[hidden] { display: none; }
.observatory .pattern-grid { min-height: 0; max-height: 230px; }
.observatory .pattern-card { min-height: 82px; }
.observatory .pattern-preview { height: 35px; width: 35px; }
.observatory .pattern-categories { gap: 3px; }
.observatory .category-btn { font-size: 9px; padding: 5px; }
.selection-inspector { padding: 17px 22px; background: var(--surface); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.selection-inspector[hidden] { display: none; }
.selection-inspector > strong { display: block; font-size: 16px; font-weight: 500; color: var(--text); margin-top: 7px; }
.selection-inspector p { font: 10px var(--font-mono); margin: 6px 0 10px; color: var(--life); }
.selection-inspector > span:last-child { font-size: 10px; color: var(--text-muted); }
.edit-history { display: flex; align-items: center; gap: 2px; }
.edit-history button { width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; font: 19px var(--font-display); border-radius: 4px; color: var(--text-dim); }
.edit-history button:hover:not(:disabled) { background: var(--surface); color: var(--life); }
.edit-history button:disabled { opacity: .3; cursor: default; }
.cell-age-key { margin-left: auto; display: flex; align-items: center; gap: 3px; font: 8px var(--font-mono); color: var(--text-muted); }
.cell-age-key i { width: 4px; height: 4px; background: var(--cell-new); }
.cell-age-key i:nth-of-type(2) { background: var(--cell-young); }
.cell-age-key i:nth-of-type(3) { background: var(--cell-mature); }
.cell-age-key i:nth-of-type(4) { background: var(--cell-old); }
.cell-age-key i:nth-of-type(5) { background: var(--cell-ancient); }
.cell-age-key span:first-child { margin-right: 4px; }
.cell-age-key span:last-child { margin-left: 4px; }
.cell-age-key.is-hidden { display: none; }
.observatory .caption-note { margin-left: 22px; }
/* Desktop telemetry becomes a quiet rail instead of obscuring the board. */
.observatory .canvas-overlays-right { top: 67px; right: 19px; width: 106px; }
.observatory .extended-stats { gap: 6px; }
.observatory .extended-stat { background: transparent; border: 0; padding: 2px 0; border-radius: 0; }
.observatory .extended-stat .extended-label { font-size: 8px; }
.observatory .extended-stat .extended-value { font-size: 10px; }
.observatory .extended-stat:nth-child(2), .observatory .extended-stat:nth-child(4), .observatory .extended-stat:nth-child(7) { display: none; }
@media (min-width: 901px) and (max-height: 800px) {
  .field-guide { top: 134px; }
  .field-guide h2 { font-size: 27px; margin-top: 14px; }
  .field-guide p { font-size: 10px; line-height: 1.8; }
  .specimen-sequence { margin-top: 17px; }
  .scene-thumbnails { margin-bottom: 10px; }
  .scene-thumbnails button { min-height: 65px; }
  .scene-thumbnails button canvas { height: 39px; }
}
@media (max-width: 1220px) {
  .observatory .intro-description { display: none; }
  .cell-age-key { display: none; }
  .observatory .caption-note { margin-left: auto; }
}
@media (max-width: 900px) {
  .observatory-intro { display: grid; grid-template-columns: 1fr auto; gap: 11px 10px; padding: 15px 0; }
  .intro-copy { grid-column: 1; grid-row: 1; }
  .observatory .workspace-state { grid-column: 2; grid-row: 1; margin: 0; }
  .observatory-mode-switch { grid-column: 1 / -1; grid-row: 2; justify-self: start; margin: 0; padding: 3px; }
  .observatory-mode-switch button { padding: 5px 11px; font-size: 10px; }
  .mode-symbol { font-size: 14px; }
  .field-guide, .has-field-guide .field-guide { display: none; }
  .observatory .field-actions { gap: 2px; }
  .observatory .field-actions > button { min-width: 29px; }
  .observatory .canvas-topline { padding: 0 9px; }
  .observatory .canvas-kicker { font-size: 7px; letter-spacing: .07em; gap: 5px; }
  .observatory .field-actions #trailQuickBtn span { display: none; }
  .palette-picker summary { width: 29px; }
  .palette-menu { right: -85px; top: 39px; }
  .cell-age-key { display: none; }
  .observatory .mobile-sheet .pattern-search input { font-size: 16px; }
  .observatory .mobile-sheet .pattern-search { margin-bottom: 13px; }
  .observatory .canvas-overlays-right { top: 96px; }
}
@media (max-width: 380px) {
  .observatory .canvas-kicker { font-size: 6px; }
  .observatory .field-actions > button { min-width: 27px; }
  .palette-picker summary { width: 27px; }
}
@media (max-width: 900px) and (max-height: 640px) {
  .observatory-intro { padding: 7px 0; gap: 7px; }
  .observatory-mode-switch button { padding: 3px 9px; }
}
@media (max-width: 900px) and (max-height: 500px) and (orientation: landscape) {
  .observatory .observatory-intro { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .specimen-sequence canvas { transition: none; }
}
.observatory .transport-btn.primary { color: var(--void); }
.observatory .transport-btn.primary:hover { color: var(--void); background: color-mix(in srgb, var(--life) 85%, white); }
[data-theme="light"] .observatory .transport-btn.primary:hover { background: color-mix(in srgb, var(--life) 90%, black); }
.observatory #exportSpecimenBtn[aria-busy="true"] { opacity: .5; cursor: progress; }