:root{--font-display: "Fraunces", serif;--font-body: "IBM Plex Sans", sans-serif}:root[data-theme=dark]{--color-bg: #22303F;--color-surface: #2C3E50;--color-surface-raised: #34495E;--color-text: #F1EFEA;--color-text-muted: #A9B7C4;--color-accent: #E8A33D;--color-success: #7FA37A;--color-error: #D9714E;--color-line: #3E5062;color-scheme:dark}:root[data-theme=light]{--color-bg: #F3EFE6;--color-surface: #FFFFFF;--color-surface-raised: #FBF9F4;--color-text: #1F2A35;--color-text-muted: #5B6B78;--color-accent: #C97F1E;--color-success: #4F7A4A;--color-error: #B84B2E;--color-line: #DDD6C7;color-scheme:light}:root{--color-bg: #22303F;--color-surface: #2C3E50;--color-surface-raised: #34495E;--color-text: #F1EFEA;--color-text-muted: #A9B7C4;--color-accent: #E8A33D;--color-success: #7FA37A;--color-error: #D9714E;--color-line: #3E5062}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;transition:background .2s ease,color .2s ease}h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0 0 .4em}.eyebrow{font-family:var(--font-display);font-style:italic;font-weight:500;color:var(--color-accent);font-size:.95rem;margin:0 0 .2em}button{font-family:var(--font-body);cursor:pointer}.btn{border:none;border-radius:6px;padding:.7em 1.4em;font-size:1rem;font-weight:600;transition:transform .08s ease,background .15s ease}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--color-accent);color:var(--color-bg)}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:transparent;color:var(--color-text);border:1px solid var(--color-line)}.btn-ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}.card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:10px;padding:1.5rem}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}@media (max-width: 640px){.app-shell{flex-direction:column}.nav-rail{flex-direction:row!important;align-items:center;flex-wrap:wrap;border-right:none!important;border-bottom:1px solid var(--color-line);gap:1rem!important;padding:1rem!important}.nav-path{flex-direction:row!important;gap:.6rem;flex-wrap:wrap}.nav-node{flex-direction:row!important;align-items:center}.nav-connector{display:none!important}.nav-footer{flex-direction:row!important;flex-wrap:wrap;margin-left:auto}main{padding:1.25rem!important}}