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0px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden}#app{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select{font:inherit}.btn{display:inline-block;padding:10px 28px;border-radius:999px;background:var(--button-bg, var(--brand));color:var(--button-ink, #fff);font-size:15px}.btn:disabled{background:var(--disabled-bg);color:var(--disabled-ink);box-shadow:none;cursor:not-allowed}.btn-ghost{display:inline-block;padding:10px 28px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px}.page{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:20px 16px 48px}h1,h2,h3{font-family:Georgia,Songti SC,serif;font-weight:600}:where(button:not(.yoyo-touch):not(.travel-pin),.btn,.btn-ghost){transition:scale var(--motion-fast) var(--ease-out),translate var(--motion-fast) var(--ease-out),box-shadow var(--motion-normal) var(--ease-out),background-color var(--motion-normal) var(--ease-out),border-color var(--motion-normal) var(--ease-out)}.btn{box-shadow:0 4px 12px rgb(var(--brand-rgb) / .1)}@media (hover: hover){.btn:not(:disabled):hover{background:var(--button-hover);box-shadow:0 6px 18px rgb(var(--brand-rgb) / .16)}.btn-ghost:not(:disabled):hover{border-color:var(--brand-border);background:var(--brand-light)}}:where(button:not(.yoyo-touch):not(.travel-pin),.btn,.btn-ghost):not(:disabled):active{scale:.985;translate:0 1px}.btn:not(:disabled):active,.btn-ghost:not(:disabled):active{box-shadow:none}.btn:focus-visible,.btn-ghost:focus-visible{outline:3px solid var(--brand-strong);outline-offset:3px}.btn-ghost:disabled{opacity:.55;cursor:not-allowed}::view-transition-group(route-photo){animation-duration:var(--motion-route);animation-timing-function:var(--ease-out);overflow:clip;border-radius:12px}::view-transition-old(root),::view-transition-new(root){animation-duration:var(--motion-normal);animation-timing-function:var(--ease-out)}::view-transition-old(route-photo),::view-transition-new(route-photo){height:100%;object-fit:cover}@keyframes surface-enter{0%{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}@keyframes surface-exit{to{opacity:0;transform:translateY(6px) scale(.99)}}@keyframes surface-backdrop-enter{0%{opacity:0}}@keyframes surface-backdrop-exit{to{opacity:0}}@media (prefers-reduced-motion: reduce){:where(button:not(.yoyo-touch):not(.travel-pin),.btn,.btn-ghost){transition:none}:where(button:not(.yoyo-touch):not(.travel-pin),.btn,.btn-ghost):not(:disabled):active{scale:none;translate:none}::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}:root{--brand: #a88d58;--brand-strong: #795f32;--brand-light: #f3eddf;--brand-border: #d6c5a7;--brand-rgb: 168 141 88;--ink: #302b24;--ink-2: #786f62;--line: #e5e0d8;--bg: #faf8f4;--surface: #fff;--paper: var(--surface);--surface-soft: #faf7f0;--surface-glass: #ffffffc9;--accent: #987341;--button-bg: #e4d5b7;--button-hover: #d9c59e;--button-ink: #493d29;--disabled-bg: #e5dfd3;--disabled-ink: #8b806f;--shadow: 0 3px 14px rgb(80 62 34 / .06);--shadow-hover: 0 8px 24px rgb(80 62 34 / .1);--entry-gradient: linear-gradient(120deg, #f1e7d3, #fcf8ef);--planning-gradient: radial-gradient(ellipse at 8% 0%, #fffaf0, transparent 62%), linear-gradient(120deg, #f6ecd8, #fbf7ef 65%, #f0e6d3);--planning-light: radial-gradient(ellipse at 25% 40%, #ead0a080, transparent 42%), radial-gradient(ellipse at 70% 50%, #f5e5b9a6, transparent 45%), radial-gradient(ellipse at 50% 70%, #fffaf0b3, transparent 40%);--selection-bg: #eee5d4;--backdrop: #30271bcc;--photo-placeholder: linear-gradient(145deg, #f4efdf, #e7dfcf);--brand-soft: var(--brand-light);--brand-2: var(--brand-border)}#app{position:relative;isolation:isolate}:root .recommend-entry{background:var(--entry-gradient)}:root .planning-panel{background:var(--planning-gradient)}:root #planning-panel.conversation-shell,:root .conversation-followup{background:var(--planning-gradient);box-shadow:var(--shadow)}:root .conversation-shell.is-generating:before{background:var(--planning-light)}:root .conversation-choice[aria-pressed=true],:root .conversation-confirm{background:var(--button-bg);color:var(--button-ink)}:root .flight-trail{background:linear-gradient(90deg,transparent,var(--brand-border) 65%,var(--brand));box-shadow:0 0 12px rgb(var(--brand-rgb) / .3)}:root .flight-plane{color:var(--brand-strong);filter:drop-shadow(0 3px 4px rgb(var(--brand-rgb) / .2))}