:root{--color-bg: #faf6f1;--color-surface: #ffffff;--color-border: #e6ddd2;--color-text: #2b2320;--color-text-muted: #6b5f56;--color-primary: #ba5b3c;--color-primary-dark: #9a4830;--color-accent: #4a7a64;--color-danger: #b3392c;--radius: 10px;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5}a{color:var(--color-primary)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.app-nav__brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.25rem;color:var(--color-primary-dark);text-decoration:none}.app-nav__logo{width:40px;height:40px;flex-shrink:0}.brand-logo{display:block;width:100%;max-width:320px;height:auto;mix-blend-mode:multiply}.app-nav__links{display:flex;gap:1.25rem;align-items:center;font-size:.95rem}.app-nav__links a,.app-nav__links button{text-decoration:none;color:var(--color-text)}main.app-content{flex:1;width:100%;max-width:960px;margin:0 auto;padding:2rem 1.5rem 4rem}h1,h2,h3{color:var(--color-text);line-height:1.2}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem 1.5rem;margin-bottom:1rem}.card--clickable{cursor:pointer;transition:box-shadow .15s ease}.card--clickable:hover{box-shadow:0 2px 10px #0000000f}.form-grid{display:grid;gap:.85rem;max-width:420px}label{display:flex;flex-direction:column;gap:.3rem;font-size:.9rem;color:var(--color-text-muted)}input,select,textarea{font:inherit;padding:.55rem .7rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-surface);color:var(--color-text)}textarea{resize:vertical}button{font:inherit;cursor:pointer}.btn{display:inline-block;padding:.6rem 1.1rem;border-radius:8px;border:1px solid transparent;background:var(--color-primary);color:#fff;font-weight:600}.btn:hover{background:var(--color-primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--secondary{background:transparent;border-color:var(--color-border);color:var(--color-text)}.btn--secondary:hover{background:var(--color-bg)}.btn--danger{background:var(--color-danger)}.pill{display:inline-block;padding:.15rem .6rem;border-radius:999px;font-size:.78rem;font-weight:600;background:var(--color-bg);color:var(--color-text-muted);border:1px solid var(--color-border)}.pill--accent{background:#4a7a641f;color:var(--color-accent);border-color:transparent}.error-banner{background:#fbecea;border:1px solid #f0c9c3;color:var(--color-danger);padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem}.text-muted{color:var(--color-text-muted)}.stack{display:flex;flex-direction:column;gap:.75rem}.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.chat-thread{display:flex;flex-direction:column;gap:.5rem;max-height:360px;overflow-y:auto;margin-bottom:1rem;padding:.5rem;background:var(--color-bg);border-radius:var(--radius)}.chat-message{padding:.5rem .75rem;background:var(--color-surface);border-radius:8px;max-width:80%;align-self:flex-start}.chat-message--mine{align-self:flex-end;background:#ba5b3c1f}