:root{--canvas:#edf3e8;--canvas-deep:#dce8d5;--ink:#17251f;--muted:#627269;--surface:rgba(255,253,245,0.9);--surface-strong:#fffdf5;--border:rgba(48,72,56,0.18);--accent:#197a5f;--accent-dark:#0d4f3c;--accent-soft:rgba(25,122,95,0.12);--danger-soft:#fff3e8;--shadow:0 24px 80px rgba(26,48,35,0.16)}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%}body{background:radial-gradient(circle at 12% 16%,rgba(229,163,71,.26),transparent 28%),radial-gradient(circle at 82% 12%,rgba(25,122,95,.22),transparent 25%),linear-gradient(135deg,var(--canvas) 0,var(--canvas-deep) 100%);color:var(--ink);font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif}button,input,textarea{font:inherit}.is-disabled,button:disabled{cursor:not-allowed;opacity:.55}.app-shell{display:grid;grid-template-columns:minmax(360px,440px) minmax(0,1fr);grid-gap:18px;gap:18px;min-height:100vh;padding:18px}.control-panel,.map-card{border:1px solid var(--border);border-radius:28px;background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.control-panel{display:flex;flex-direction:column;padding:24px}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}h1{margin-top:12px;font-family:Iowan Old Style,Palatino Linotype,serif;font-size:clamp(2rem,6vw,3.25rem);font-weight:600;letter-spacing:-.05em;line-height:.96}.intro{margin-top:14px;color:var(--muted);font-size:.96rem;line-height:1.7}.notice{margin-top:16px;border:1px solid rgba(190,99,25,.18);border-radius:16px;padding:12px;background:var(--danger-soft);color:#8b3d10;font-size:.86rem;line-height:1.6}.field-label{margin:18px 0 8px;color:var(--accent-dark);font-size:.82rem;font-weight:800}.link-output,.url-input{width:100%;border:1px solid var(--border);border-radius:18px;padding:14px;background:var(--surface-strong);color:var(--ink);font-family:SFMono-Regular,Consolas,monospace;font-size:.82rem;line-height:1.55;outline:none}.link-output:focus,.url-input:focus{border-color:rgba(25,122,95,.5);box-shadow:0 0 0 4px var(--accent-soft)}.url-input{min-height:52px}.link-output{resize:vertical;min-height:94px}.route-form{display:flex;flex-direction:column}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;border-radius:999px;padding:0 18px;cursor:pointer;font-weight:800;text-decoration:none}.button-primary{margin-top:14px;background:var(--accent);color:#fffdf5}.button-secondary{background:var(--accent-soft);color:var(--accent-dark)}.action-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:10px}.status{margin-top:12px;color:var(--muted);font-size:.84rem;line-height:1.6}.map-card{overflow:hidden}.map-card,.map-view{min-height:calc(100vh - 36px)}.map-view{width:100%;height:100%}@media(max-width:860px){.app-shell{grid-template-columns:1fr;padding:12px}.map-card,.map-view{min-height:56vh}}