:root{--bg: #f4f5f7;--surface: #ffffff;--ink: #1f2933;--muted: #7b8794;--accent: #2563eb;--border: #e4e7eb;--radius: 12px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100%;max-width:480px;margin:0 auto;background:var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;padding-top:max(14px,env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:700}.brand-lg{font-size:2.4rem;margin:0}.content{flex:1;padding:16px 16px 32px}.brand-link{text-decoration:none;color:var(--ink);display:flex;align-items:center}.brand-logo{height:22px;display:block}.brand-logo-lg{width:260px;max-width:80%;height:auto}.icon-btn{background:none;border:none;cursor:pointer;font-size:1.3rem;line-height:1;padding:4px 8px;border-radius:8px;color:var(--ink);text-decoration:none}.icon-btn:disabled{opacity:.5}.heading-row{justify-content:space-between}.spinning{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tabbar{position:fixed;bottom:0;width:100%;max-width:480px;display:flex;background:var(--surface);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.tab{flex:1;text-align:center;padding:14px;text-decoration:none;color:var(--muted);font-size:.9rem}.tab.active{color:var(--accent);font-weight:600}.center{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center}.login .fineprint{max-width:280px;font-size:.8rem}.stack{display:flex;flex-direction:column;gap:14px}.row{display:flex;align-items:center;gap:8px}.actions{margin-top:10px;flex-wrap:wrap}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.stat{display:flex;flex-direction:column;cursor:pointer}.stat-num{font-size:2rem;font-weight:700}.stat-label{color:var(--muted)}.task-name{flex:1;font-weight:600;word-break:break-word}.card.clickable{cursor:pointer}.card.clickable:active{background:#fafbfc}.card.done{opacity:.65}.badge{font-size:.7rem;background:#eef2ff;color:var(--accent);padding:2px 8px;border-radius:999px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:10px;padding:10px 14px;font-size:.95rem;cursor:pointer}.btn:disabled{opacity:.5}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.block{width:100%}.btn.small{padding:6px 10px;font-size:.85rem}.input,.select{flex:1;padding:10px;border:1px solid var(--border);border-radius:10px;font-size:.95rem;background:var(--surface)}.link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:.9rem}.muted{color:var(--muted)}.small{font-size:.85rem}.backlink{text-decoration:none}.tasklink{text-decoration:none;color:var(--ink)}.preview-card{display:flex;flex-direction:column;gap:8px}.preview{width:100%;border:1px solid var(--border);border-radius:8px;display:block}.checkline{gap:6px;cursor:pointer}.history-row{justify-content:space-between}.suggestion{border-color:#c7d7fe;background:#f5f8ff}.badge.due{background:#fef3c7;color:#92400e}.center-text{text-align:center;text-decoration:none;display:block}.grow{flex:1}a.badge{text-decoration:none}