:root{--color-paper: #f5f0e8;--color-paper-deep: #ede5d6;--color-paper-shade: #e8e0cf;--color-ink: #1a1814;--color-ink-soft: #3a3630;--color-muted: #7a7468;--color-muted-soft: #a59f91;--color-rule: #d4cdb9;--color-rule-soft: #e0d9c6;--color-accent: #c4521a;--color-canvas-bg: #2a2620;--color-canvas-grid: rgba(245, 240, 232, .04);--font-serif: "Spectral", "Source Serif Pro", Georgia, serif;--font-mono: "JetBrains Mono", "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--font-fallback-sans: "DM Sans", system-ui, -apple-system, sans-serif;--weight-light: 300;--weight-regular: 400;--weight-medium: 500;--weight-semibold: 600;--text-9: 9px;--text-10: 10px;--text-11: 11px;--text-13: 13px;--text-14: 14px;--text-15: 15px;--text-16: 16px;--text-17: 17px;--text-20: 20px;--text-24: 24px;--text-28: 28px;--text-38: 38px;--text-56: 56px;--text-64: 64px;--leading-tightest: .95;--leading-tighter: .98;--leading-tight: 1.1;--leading-snug: 1.2;--leading-normal: 1.5;--leading-reading: 1.65;--tracking-display: -.015em;--tracking-headline: -.012em;--tracking-numeral: -.01em;--tracking-headword: -.005em;--tracking-normal: 0;--tracking-mono-tight: .18em;--tracking-mono: .2em;--tracking-mono-wide: .22em;--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 28px;--space-8: 32px;--space-9: 36px;--space-10: 40px;--space-11: 44px;--space-13: 52px;--space-14: 56px;--border-width-1: 1px;--border-width-2: 2px;--border-rule: var(--border-width-1) solid var(--color-rule);--border-rule-soft: var(--border-width-1) solid var(--color-rule-soft);--border-ink: var(--border-width-1) solid var(--color-ink);--border-accent: var(--border-width-1) solid var(--color-accent);--border-tab-active: var(--border-width-2) solid var(--color-accent);--radius-none: 0;--radius-pill: 999px;--touch-min: 44px;--touch-preferred: 56px;--device-screen-w: 760px;--device-screen-h: 1010px;--device-bezel: 28px;--device-chin: 64px;--device-frame-w: 816px;--device-frame-h: 1102px;--duration-fast: .1s;--duration-base: .15s;--duration-slow: .2s;--easing-out: cubic-bezier(.2, .6, .2, 1);--z-base: 0;--z-toolbar: 10;--z-overlay: 20;--z-modal: 30;--opacity-dim: .5;--opacity-disabled: .35}:root{--bg-page: var(--color-paper);--bg-card: var(--color-paper-deep);--bg-overlay: var(--color-paper);--bg-segment-idle: var(--color-paper-shade);--bg-segment-active: var(--color-ink);--fg-default: var(--color-ink);--fg-body: var(--color-ink-soft);--fg-muted: var(--color-muted);--fg-muted-soft: var(--color-muted-soft);--fg-on-ink: var(--color-paper);--fg-accent: var(--color-accent);--rule-default: var(--color-rule);--rule-soft: var(--color-rule-soft);--rule-strong: var(--color-ink);--status-learning-fg: var(--color-ink);--status-learning-border: var(--color-ink);--status-mastered-fg: var(--color-accent);--status-mastered-border: var(--color-accent);--tab-idle-fg: var(--color-muted);--tab-active-fg: var(--color-ink);--tab-underline: var(--color-accent)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--color-canvas-bg);color:var(--color-ink);font-family:var(--font-serif);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}*{cursor:default}button,a,[role=button]{cursor:pointer}@keyframes diurna-dot-pulse{0%,80%,to{opacity:.2}40%{opacity:1}}.fetch-dot{display:inline-block;animation:diurna-dot-pulse 1.2s ease-in-out infinite}.fetch-dot:nth-child(2){animation-delay:.2s}.fetch-dot:nth-child(3){animation-delay:.4s}@keyframes sr-nudge-slide-up{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.sr-nudge-card{animation:sr-nudge-slide-up .18s cubic-bezier(.2,.6,.2,1) both}input[type=range].slider-ink{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:20px;background:transparent;outline:none;cursor:default;display:block;width:100%}input[type=range].slider-ink::-webkit-slider-runnable-track{height:1px;background:linear-gradient(to right,#1a1814 var(--fill, 0%),#d4cdb9 var(--fill, 0%));border-radius:0}input[type=range].slider-ink::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#f5f0e8;border:1.5px solid #1a1814;margin-top:-9.5px;box-shadow:none}input[type=range].slider-ink::-moz-range-track{height:1px;background:linear-gradient(to right,#1a1814 var(--fill, 0%),#d4cdb9 var(--fill, 0%));border-radius:0}input[type=range].slider-ink::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#f5f0e8;border:1.5px solid #1a1814;box-shadow:none}