:root{--color-base:#f5f0e8;--color-surface:#fafaf7;--color-text:#1c1917;--color-muted:#78716c;--color-accent:#c2410c;--color-secondary:#4a6741;--color-border:#e7e0d5;--color-success:#4a6741;--color-warning:#d97706;--color-error:#dc2626;--color-info:#6366f1;--family-1:#c2410c;--family-2:#4a6741;--family-3:#6366f1;--family-4:#d97706;--font-display:"Pretendard Variable","Pretendard",sans-serif;--font-body:"Pretendard Variable","Pretendard",sans-serif;--font-mono:"Geist Mono",monospace;--text-display:3rem;--text-h1:2rem;--text-h2:1.5rem;--text-h3:1.125rem;--text-body:1rem;--text-ui:.875rem;--text-caption:.8125rem;--text-mono:.8125rem;--text-micro:.6875rem;--space-2xs:2px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--sidebar-width:260px;--content-max:800px;--layout-max:1200px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--ease-enter:ease-out;--ease-exit:ease-in;--ease-move:ease-in-out;--duration-micro:75ms;--duration-short:.2s;--duration-medium:.3s}@media(prefers-color-scheme:dark){:root{--color-base:#1c1917;--color-surface:#292524;--color-text:#f5f0e8;--color-muted:#a8a29e;--color-accent:#ea580c;--color-border:#44403c}}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-base);color:var(--color-text);font-family:var(--font-body);font-weight:400;line-height:1.6}.font-display{font-family:var(--font-display);font-weight:900}.font-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}:focus-visible{border-radius:var(--radius-sm);outline:2px solid var(--color-accent);outline-offset:2px;transition:outline-color var(--duration-short) var(--ease-enter)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-moz-selection{background-color:var(--color-accent);color:#fff}::selection{background-color:var(--color-accent);color:#fff}.auth-page{max-width:380px;text-align:center;width:100%}.auth-title{color:var(--color-text);font-size:var(--text-display);margin-bottom:var(--space-xs)}.auth-subtitle{color:var(--color-muted);font-size:var(--text-ui);margin-bottom:var(--space-xl)}.auth-form{display:flex;flex-direction:column;gap:var(--space-sm)}.auth-input{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-family:var(--font-body);font-size:var(--text-body);outline:none;padding:var(--space-sm) var(--space-md);transition:border-color var(--duration-short) var(--ease-enter)}.auth-input:focus{border-color:var(--color-accent)}.auth-btn{background-color:var(--color-accent);border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-family:var(--font-body);font-size:var(--text-body);font-weight:500;margin-top:var(--space-sm);padding:var(--space-sm) var(--space-md);transition:opacity var(--duration-short) var(--ease-enter)}.auth-btn:hover{opacity:.9}.auth-btn:disabled{cursor:not-allowed;opacity:.5}.auth-btn-secondary{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text)}.auth-btn-secondary:hover{background-color:var(--color-border)}.auth-error{color:var(--color-error);text-align:left}.auth-error,.auth-link{font-size:var(--text-ui)}.auth-link{color:var(--color-muted);margin-top:var(--space-lg)}.auth-link a{color:var(--color-accent);font-weight:500;text-decoration:none}.auth-link-btn{background:none;border:none;color:var(--color-muted);cursor:pointer;font-family:var(--font-body);font-size:var(--text-ui);padding:var(--space-sm)}.auth-link-btn:hover{color:var(--color-text)}.setup-choices{display:flex;flex-direction:column;gap:var(--space-sm)}