:root{--paper:#f4efe3;--paper-strong:#fffaf0;--ink:#18231f;--muted:#64716b;--line:#18231f24;--route:#1f7a5b;--route-dark:#145f47;--water:#2b6f88;--sun:#d79a2b;--coral:#cf5f46;--panel:#fffaf0d1;--shadow:0 18px 48px #1f27231f}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);background:linear-gradient(90deg, #18231f09 1px, transparent 1px), linear-gradient(#18231f09 1px, transparent 1px), radial-gradient(circle at 18% 12%, #2b6f881f, transparent 28%), radial-gradient(circle at 82% 8%, #d79a2b1c, transparent 30%), var(--paper);background-size:36px 36px,36px 36px,auto,auto,auto;min-height:100vh;margin:0;font-family:Avenir Next,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.mobile-bottom-nav{display:none}.app-shell{min-height:100vh;padding:18px}.planner-grid{grid-template-columns:minmax(280px,340px) minmax(360px,1fr) minmax(320px,420px);gap:14px;min-height:calc(100vh - 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strong{margin-top:6px;font-size:16px;line-height:1.35;display:block}.route-spine{gap:8px;display:grid}.route-spine-title,.route-spine-row{grid-template-columns:86px minmax(0,1fr);align-items:start;gap:10px;display:grid}.route-spine-title{color:var(--muted);font-size:12px;font-weight:800}.route-spine-title small{color:var(--muted);font:inherit}.route-spine-row{border-top:1px solid #18231f17;padding-top:8px}.route-spine-row span{color:var(--route-dark);font-size:12px;font-weight:900}.route-spine-row strong{font-size:13px;line-height:1.45}.trip-detail-subtitle{color:var(--muted);margin:8px 0 0;font-weight:700}.account-name{align-items:center;gap:8px;margin:8px 0 0;font-size:20px;display:flex}.trip-detail-version{color:var(--water);margin:8px 0 0;font-size:12px;font-weight:800}.trip-detail-grid{gap:12px;display:grid}.trip-detail-day{box-shadow:var(--shadow)}.trip-detail-meals,.trip-detail-routes{border-top:1px solid 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solid #18231f24;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -14px 36px #18231f1f}.mobile-bottom-nav-link{min-width:0;height:52px;color:var(--muted);border:1px solid #0000;border-radius:8px;grid-template-rows:22px 16px;place-items:center;font-size:11px;font-weight:900;line-height:1;text-decoration:none;display:grid}.mobile-bottom-nav-link[data-active=true]{color:var(--route-dark);background:#dfeee2;border-color:#1f7a5b57}.app-shell{padding:10px}.planner-grid,.summary-bar,.form-row,.feedback-grid,.legal-link-grid,.legal-section-grid,.library-metrics,.snapshot-stats,.route-spine-title,.route-spine-row,.trip-management-panel,.trip-title-form{grid-template-columns:1fr}.library-header{flex-direction:column;align-items:stretch}.library-actions,.delete-actions{justify-content:stretch}.stop-row{grid-template-columns:58px 1fr}.stop-row .confidence-chip{grid-column:2;justify-self:start}}@media print{body{color:#111;background:#fff}body:before,.library-actions,.trip-management-panel{display:none!important}.library-shell{width:100%;min-height:auto;padding:0}.library-header,.day-card,.metric{box-shadow:none;break-inside:avoid;background:#fff;border-color:#d7d7d7}.library-header{padding:0 0 14px}.library-metrics,.trip-detail-grid{break-inside:auto}.trip-detail-day{page-break-inside:avoid}}