:root{--paper: #faf6ed;--paper-card: #fffdf8;--ink: #2b3a4a;--ink-soft: #5c6b7a;--ink-faint: #8a97a5;--line: rgba(43, 58, 74, .12);--morning: #4e8fc7;--morning-deep: #3b6f9f;--morning-soft: #dcebf7;--pine: #3e7c59;--orange: #d97b24;--orange-soft: #fdf0e1;--rain: #3e7fb5;--rain-soft: #e5f0f9;--cold: #5b9bd5;--cold-soft: #e8f1fa;--storm: #c24b4b;--storm-soft: #fbe7e5;--air: #8a7ba8;--air-soft: #efeaf5;--shadow-paper: 0 1px 2px rgba(43, 58, 74, .08), 0 6px 18px rgba(43, 58, 74, .06);--radius: 8px;--font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;min-height:100vh}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}.app-header{background:linear-gradient(180deg,#cfe3f3 0%,#e6f1f8 52%,var(--paper) 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.app-header:before,.app-header:after{content:"";position:absolute;border-radius:50%;background:#ffffff8c;pointer-events:none}.app-header:before{width:220px;height:90px;top:-28px;right:8%}.app-header:after{width:150px;height:58px;top:12px;right:26%}.header-inner{position:relative;max-width:960px;margin:0 auto;padding:22px 18px 18px}.brand-row{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.brand{font-size:22px;font-weight:700;letter-spacing:.06em;color:var(--morning-deep)}.brand .suffix{color:var(--pine)}.slogan{font-size:12px;color:var(--ink-soft);letter-spacing:.04em}.trip-name-row{display:flex;align-items:center;gap:8px;margin-top:10px}.trip-name-input{font-size:15px;font-weight:600;border:1px dashed transparent;background:transparent;color:var(--ink);border-radius:6px;padding:5px 8px;max-width:70vw}.trip-name-input:hover,.trip-name-input:focus{border-color:var(--line);background:#fff9;outline:none}.plans-bar{max-width:960px;margin:0 auto;padding:12px 14px 0;display:flex;align-items:center;gap:8px}.plans-chips{display:flex;gap:6px;overflow-x:auto;flex:1;padding:2px 2px 6px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.plan-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fffdf8e6;color:var(--ink-soft);border-radius:999px;padding:7px 13px;font-size:13px;min-height:36px;transition:background .12s ease,color .12s ease}.plan-chip.active{background:var(--morning);border-color:var(--morning);color:#fff;font-weight:600}.plan-chip.plan-add{border-style:dashed;color:var(--morning-deep)}.plan-delete{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;padding:1px;color:inherit;opacity:.75}.plan-delete:hover{opacity:1;background:#0000001f}.plan-chip-input{flex:0 0 auto;width:150px;border:1px solid var(--morning);border-radius:999px;padding:8px 13px;font-size:13px;min-height:36px;background:#fff}.plan-refresh{flex:0 0 auto;white-space:nowrap}.spin{animation:spin 1s linear infinite}.header-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fffdf8d9;color:var(--ink);border-radius:var(--radius);padding:8px 12px;font-size:13px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.btn:hover{background:#fff;box-shadow:var(--shadow-paper);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--morning);border-color:var(--morning);color:#fff}.btn-primary:hover{background:var(--morning-deep)}.btn-pine{background:var(--pine);border-color:var(--pine);color:#fff}.btn-pine:hover{filter:brightness(1.08)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;border-radius:999px;padding:2px 8px;border:1px solid var(--line);color:var(--ink-soft);background:#ffffffa6}.badge-demo{color:#9a5b12;background:var(--orange-soft);border-color:#d97b2459}.badge-warn{color:var(--storm);background:var(--storm-soft);border-color:#c24b4b59}.refreshing-dot{width:8px;height:8px;border-radius:50%;background:var(--morning);animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.35}50%{opacity:1}}.app-main{max-width:960px;margin:0 auto;padding:18px 14px 96px}.empty-state{text-align:center;padding:64px 24px;color:var(--ink-soft);border:1px dashed var(--line);border-radius:var(--radius);background:#fffdf899;line-height:1.9}.day-group{margin-bottom:20px}.day-head{display:flex;align-items:baseline;gap:8px;margin:0 0 8px;color:var(--ink-soft);font-size:13px}.day-head strong{color:var(--morning-deep);font-size:15px}.trip-card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-paper);padding:14px;margin-bottom:10px;transition:box-shadow .18s ease}.trip-card-top{display:flex;align-items:flex-start;gap:10px}.trip-city{font-size:16px;font-weight:700}.trip-city small{font-weight:400;color:var(--ink-faint);font-size:12px;margin-left:6px}.chip{display:inline-block;font-size:11px;border-radius:999px;padding:2px 8px;background:var(--morning-soft);color:var(--morning-deep);border:1px solid rgba(78,143,199,.25);margin-right:6px;margin-top:4px}.chip-pine{background:#e7f1ea;color:var(--pine);border-color:#3e7c5940}.trip-note{color:var(--ink-soft);font-size:13px;line-height:1.7;margin:8px 0 0;white-space:pre-wrap}.trip-actions{margin-left:auto;display:flex;gap:4px;flex-shrink:0}.icon-btn{border:none;background:transparent;color:var(--ink-faint);border-radius:6px;padding:6px;display:inline-flex;align-items:center;justify-content:center;transition:background .12s ease,color .12s ease}.icon-btn:hover{background:#2b3a4a0f;color:var(--ink)}.icon-btn.danger:hover{background:var(--storm-soft);color:var(--storm)}.weather-box{margin-top:12px;border-top:1px dashed var(--line);padding-top:12px}.weather-main{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.weather-icon{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.weather-icon.clear{background:#f0b23e}.weather-icon.cloud{background:#8fa8bb}.weather-icon.rain{background:var(--rain)}.weather-icon.snow{background:var(--cold)}.weather-icon.fog{background:#9aa7b2}.weather-icon.storm{background:var(--storm)}.weather-text{font-size:15px;font-weight:600}.weather-temp{font-size:22px;font-weight:700;color:var(--ink)}.weather-meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--ink-soft);font-size:12px;margin-top:8px}.weather-meta b{color:var(--ink);font-weight:600}.trend-notice{display:flex;gap:6px;align-items:flex-start;margin-top:10px;font-size:12px;color:#9a5b12;background:var(--orange-soft);border:1px solid rgba(217,123,36,.25);border-radius:var(--radius);padding:8px 10px;line-height:1.6}.weather-placeholder{color:var(--ink-faint);font-size:13px;line-height:1.8}.weather-error{color:var(--storm);font-size:13px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.skeleton{border-radius:6px;background:linear-gradient(90deg,#2b3a4a0f,#2b3a4a1f,#2b3a4a0f);background-size:200% 100%;animation:shimmer 1.2s infinite;height:14px;margin:6px 0}.skeleton.wide{width:78%}.skeleton.mid{width:52%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.advice-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.advice-tag{font-size:12px;line-height:1.5;border-radius:999px;padding:4px 10px;border:1px solid transparent}.advice-tag.rain{background:var(--rain-soft);color:var(--rain);border-color:#3e7fb54d}.advice-tag.heat{background:var(--orange-soft);color:#a45a14;border-color:#d97b244d}.advice-tag.cold{background:var(--cold-soft);color:var(--cold);border-color:#5b9bd54d}.advice-tag.wind{background:#edf1f4;color:#5b6b7a;border-color:#5b6b7a4d}.advice-tag.air{background:var(--air-soft);color:var(--air);border-color:#8a7ba84d}.advice-tag.uv{background:#fdf3df;color:#b7791f;border-color:#b7791f4d}.expand-btn{display:inline-flex;align-items:center;gap:4px;border:none;background:transparent;color:var(--ink-faint);font-size:12px;padding:6px 0;margin-top:6px}.expand-btn:hover{color:var(--morning-deep)}.expand-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}.expand-body.open{grid-template-rows:1fr}.expand-inner{overflow:hidden}.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-top:10px}.detail-item{background:#2b3a4a0a;border-radius:6px;padding:8px 10px;font-size:12px;color:var(--ink-soft)}.detail-item b{display:block;color:var(--ink);font-size:13px;margin-top:2px}.hourly-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:12px;color:var(--ink-soft)}.hourly-table th,.hourly-table td{padding:6px 4px;border-bottom:1px solid rgba(43,58,74,.07);text-align:left;white-space:nowrap}.hourly-table th{font-weight:600;color:var(--ink-faint)}.weather-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;font-size:11px;color:var(--ink-faint);flex-wrap:wrap}.overlay{position:fixed;inset:0;background:#2b3a4a59;display:flex;align-items:flex-end;justify-content:center;z-index:40;padding:0;animation:fadeIn .16s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sheet{background:var(--paper-card);border-radius:14px 14px 0 0;width:100%;max-width:640px;max-height:88vh;overflow-y:auto;padding:18px 18px calc(20px + env(safe-area-inset-bottom));animation:slideUp .22s ease;box-shadow:0 -6px 30px #2b3a4a2e}@keyframes slideUp{0%{transform:translateY(32px);opacity:0}to{transform:translateY(0);opacity:1}}.sheet-title{font-size:16px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}.form-grid{display:grid;gap:14px}.field label{display:block;font-size:12px;color:var(--ink-soft);margin-bottom:6px}.field-inline{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);margin-bottom:0;cursor:pointer}.field-inline input[type=checkbox]{width:auto;min-height:auto;accent-color:var(--morning)}.field input[type=date],.field input[type=text],.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;background:#fff;min-height:42px}.field textarea{min-height:72px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(78,143,199,.35);border-color:var(--morning)}.field-error{color:var(--storm);font-size:12px;margin-top:5px}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.loc-search{position:relative}.loc-candidates{margin-top:6px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;max-height:220px;overflow-y:auto}.loc-candidate{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:none;background:transparent;padding:9px 12px;border-bottom:1px solid rgba(43,58,74,.06);font-size:14px}.loc-candidate:last-child{border-bottom:none}.loc-candidate:hover,.loc-candidate.active{background:var(--morning-soft)}.loc-candidate 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var(--line);border-radius:var(--radius);padding:12px;background:#fff}.candidate-card h4{margin:0 0 8px;font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:6px}.candidate-fields{display:grid;gap:8px}.candidate-fields input,.candidate-fields select{width:100%;border:1px solid var(--line);border-radius:6px;padding:8px 10px;background:#fff;min-height:40px}.candidate-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.candidate-actions .btn{flex:1;justify-content:center}.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;background:#fffdf8f5;border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.bottom-bar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;border:none;background:transparent;color:var(--ink-soft);font-size:10px;padding:6px 2px;border-radius:var(--radius);min-height:46px}.bottom-bar button:active{background:var(--morning-soft);color:var(--morning-deep)}.toast-stack{position:fixed;left:50%;transform:translate(-50%);bottom:92px;z-index:60;display:flex;flex-direction:column;align-items:center;gap:8px;width:max-content;max-width:90vw}.toast{background:#2b3a4aeb;color:#fff;font-size:13px;border-radius:999px;padding:9px 16px;box-shadow:0 4px 16px #2b3a4a40;animation:toastIn .2s ease;display:flex;align-items:center;gap:6px}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(min-width:768px){.overlay{align-items:center;padding:20px}.sheet{border-radius:14px;max-height:86vh}.header-inner{padding:26px 24px 20px}.app-main{padding:24px 24px 60px}.brand{font-size:25px}.trip-card{padding:16px}.bottom-bar{display:none}.toast-stack{bottom:40px}}@media(max-width:767px){.desktop-only{display:none}.app-main{padding-bottom:104px}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}