:root{--brand-navy:#1c3363;--brand-teal:#3ab3b5;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--border-strong:#cbd5e1;--ink:#0f172a;--ink-muted:#475569;--ink-faint:#64748b;--danger:#dc2626;--radius:12px;--radius-sm:8px;--shadow-sm:0 1px 2px 0 #0f172a0d;--shadow-nav:0 -2px 12px -2px #0f172a14}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none;min-height:100dvh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.tactile-btn{touch-action:manipulation;transition:transform .12s,box-shadow .12s,filter .12s}.tactile-btn:active:not(:disabled){transform:scale(.95)}.tactile-btn:not(:disabled):hover{filter:brightness(1.03)}@keyframes sheet-overlay-in{0%{opacity:0}to{opacity:1}}@keyframes sheet-panel-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-overlay{animation:.18s ease-out sheet-overlay-in}.sheet-panel{animation:.28s cubic-bezier(.32,.72,0,1) sheet-panel-in}@media (prefers-reduced-motion:reduce){.sheet-overlay,.sheet-panel{animation:none}}.scrollbar-thin{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.scrollbar-thin::-webkit-scrollbar{width:8px;height:8px}.scrollbar-thin::-webkit-scrollbar-track{background:0 0}.scrollbar-thin::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:9999px}.scrollbar-thin::-webkit-scrollbar-thumb:hover{background:var(--ink-faint)}@keyframes status-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.72)}}.status-dot-pulse{animation:1.6s ease-in-out infinite status-pulse}.settings-card{transition:border-color .15s,box-shadow .15s,transform .15s}.settings-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.timeline-node{transition:border-color .15s,box-shadow .15s}.timeline-node:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}@media (prefers-reduced-motion:reduce){.status-dot-pulse{animation:none}.settings-card:hover{transform:none}}@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:0 0}}.skeleton{background:linear-gradient(90deg,#eef2f7 25%,#e2e8f0 37%,#eef2f7 63%) 0 0/400% 100%;animation:1.4s ease-in-out infinite skeleton-shimmer}@media (prefers-reduced-motion:reduce){.skeleton{background:#e8edf3;animation:none}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}