/* 旅行分账 · 简约现代风格（独立样式，不依赖行程网站的 style.css） */
:root{
  --bg:#f6f5f2; --surface:#fff; --sunk:#efede8; --ink:#141414; --ink2:#55524c; --muted:#8b877f; --line:#e8e5df;
  --main:#141414; --on-main:#fff; --plus:#1d7a4f; --minus:#c0392b; --accent:#b08d57; --focus:#b08d57;
  --r:20px; --r-sm:14px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0e0e10; --surface:#1a1a1d; --sunk:#232327; --ink:#f3f2ef; --ink2:#c9c6bf; --muted:#8d8a84; --line:#2c2c30;
  --main:#f3f2ef; --on-main:#111; --plus:#5ccf95; --minus:#ff7a6b; --accent:#d4b27a; --focus:#d4b27a; color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e0e10; --surface:#1a1a1d; --sunk:#232327; --ink:#f3f2ef; --ink2:#c9c6bf; --muted:#8d8a84; --line:#2c2c30;
    --main:#f3f2ef; --on-main:#111; --plus:#5ccf95; --minus:#ff7a6b; --accent:#d4b27a; --focus:#d4b27a; color-scheme:dark;
  }
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{font-size:106.25%;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
html.fs-l{font-size:118.75%}
html.fs-xl{font-size:131.25%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.55 var(--font);letter-spacing:.005em;font-variant-numeric:tabular-nums;padding-bottom:calc(112px + env(safe-area-inset-bottom))}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:10px}
b,strong{font-weight:600}
.sp-main{width:min(640px,100% - 32px);margin:0 auto;padding:4px 0 24px}
.sp-loading{padding:64px 0;text-align:center;color:var(--muted)}
.sp-muted{color:var(--muted);font-size:.88rem;margin:14px 0 0}

/* 顶栏 */
.sp-top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:2px;height:56px;padding:0 8px calc(0px) 4px;padding-top:env(safe-area-inset-top);background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px)}
.sp-top__back{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink);flex:none}
.sp-top__t{flex:1;margin:0;font-weight:600;font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sp-ib{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;color:var(--ink);flex:none;font-weight:600;font-size:.9rem;letter-spacing:-.02em}
.sp-ib:hover,.sp-top__back:hover{background:var(--sunk)}

/* 同步状态 */
.sp-status{position:sticky;top:56px;z-index:29;margin:0 auto;width:min(640px,100% - 32px);font-size:.85rem;text-align:center}
.sp-status:empty{display:none}
.sp-status.is-wait,.sp-status.is-off{padding:8px 14px;border-radius:999px;background:var(--ink);color:var(--bg)}
.sp-status.is-wait b{font-weight:600;color:var(--accent)}

/* 空状态 / 介绍 */
.sp-intro{text-align:center;padding:48px 8px 24px}
.sp-intro h1{font-size:1.75rem;font-weight:600;letter-spacing:-.02em;margin:0 0 8px}
.sp-intro p{margin:0;color:var(--ink2)}
.sp-center{display:flex;flex-direction:column;align-items:center;gap:10px;margin:24px 0 8px;text-align:center}
.sp-blank{text-align:center;padding:40px 16px;color:var(--muted)}
.sp-blank p{margin:0 0 4px;color:var(--ink);font-weight:600}
.sp-blank small{font-size:.88rem}

/* 按钮 */
.sp-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:50px;padding:0 24px;border-radius:999px;background:var(--sunk);color:var(--ink);font-weight:600;text-decoration:none;white-space:nowrap}
.sp-btn--main{background:var(--main);color:var(--on-main)}
.sp-btn--sm{min-height:36px;padding:0 14px;font-size:.88rem;background:var(--sunk)}
.sp-btn:active{transform:scale(.98)}
.sp-del{color:var(--minus)}
.sp-link{color:var(--ink2);font-size:.88rem;text-decoration:underline;text-underline-offset:3px;padding:8px 4px}
.sp-danger{color:var(--minus)}
.sp-quick{display:flex;gap:12px;margin:0}

/* 头像 */
.sp-ava{flex:none;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:hsl(var(--h) 28% 42%);color:#fff;font-weight:600;font-size:1rem}
.sp-ava--sm{width:26px;height:26px;font-size:.78rem}

/* 概览 */
.sp-sum{text-align:center;padding:20px 0 6px}
.sp-me{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-weight:600;font-size:.92rem}
.sp-me .sp-chev{color:var(--muted);font-size:.8rem;margin-left:2px}
.sp-sum__k{margin:22px 0 0;color:var(--muted);font-size:.9rem}
.sp-sum__v{margin:2px 0 0;font-size:clamp(2.6rem,12vw,3.4rem);font-weight:600;letter-spacing:-.035em;line-height:1.1}
.sp-sum__s{margin:4px 0 0;color:var(--muted);font-size:.88rem}
.sp-plus{color:var(--plus)}
.sp-minus{color:var(--minus)}
.sp-kpis{display:grid;grid-template-columns:repeat(3,1fr);margin:22px 0 0;padding:14px 4px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.sp-kpis div{text-align:center;padding:0 6px;min-width:0}
.sp-kpis div+div{border-left:1px solid var(--line)}
.sp-kpis dt{font-size:.78rem;color:var(--muted);white-space:nowrap}
.sp-kpis dd{margin:2px 0 0;font-weight:600;font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 分段标签 */
.sp-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin:22px 0 4px;padding:3px;border-radius:999px;background:var(--sunk)}
.sp-tabs button{min-height:40px;border-radius:999px;font-size:.92rem;font-weight:500;color:var(--ink2)}
.sp-tabs button[aria-selected="true"]{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}

/* 分组列表 */
.sp-gh{display:flex;justify-content:space-between;gap:12px;margin:22px 6px 8px;font-size:.8rem;color:var(--muted);letter-spacing:.02em}
.sp-rows{list-style:none;margin:0;padding:0;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);overflow:hidden}
.sp-rows+.sp-rows{margin-top:12px}
.sp-rows>li+li{border-top:1px solid var(--line)}
.sp-pad{padding:16px;display:grid;gap:16px}
.sp-r{display:flex;align-items:center;gap:12px;width:100%;min-height:64px;padding:12px 16px;text-align:left;text-decoration:none;color:var(--ink)}
button.sp-r:active,a.sp-r:active{background:var(--sunk)}
.sp-r__i{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--sunk);font-size:1.2rem}
.sp-r__m{flex:1;min-width:0;display:flex;flex-direction:column}
.sp-r__m b{font-weight:500;overflow-wrap:anywhere}
.sp-r__m small{color:var(--muted);font-size:.82rem;line-height:1.45;overflow-wrap:anywhere}
.sp-r__a{flex:none;display:flex;flex-direction:column;align-items:flex-end;text-align:right;white-space:nowrap}
.sp-r__a b{font-weight:600}
.sp-r__a small{color:var(--muted);font-size:.8rem}
.sp-r.is-settle .sp-r__m b,.sp-r.is-settle .sp-r__a b{color:var(--ink2);font-weight:500}
.sp-chev{color:var(--muted);font-size:1.3rem;line-height:1}
.sp-arrow{color:var(--muted);font-weight:400}
.sp-pend{font-style:normal;font-size:.7rem;font-weight:600;color:var(--accent);border:1px solid currentColor;border-radius:999px;padding:0 6px;vertical-align:2px;white-space:nowrap}
.sp-tag{font-style:normal;font-size:.7rem;font-weight:600;background:var(--ink);color:var(--bg);border-radius:999px;padding:1px 7px;vertical-align:2px}
.sp-foot{margin:10px 6px 0;font-size:.82rem;color:var(--muted)}
.sp-src--manual{color:var(--accent)}
.sp-src--guess{color:var(--minus)}

/* 换算 */
.sp-fx{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:8px 8px 8px 16px}
.sp-fx input{border:0!important;background:transparent!important;box-shadow:none!important;font-size:1.9rem!important;font-weight:600;letter-spacing:-.02em;padding:0!important;min-height:56px}
.sp-fx select{width:auto!important;border:0!important;background:var(--sunk)!important;border-radius:999px!important;font-weight:600}

/* 我是谁 */
.sp-notme{margin-top:16px}
.sp-notme summary{list-style:none;cursor:pointer;text-align:center;color:var(--ink2);font-size:.92rem;padding:12px;text-decoration:underline;text-underline-offset:3px}
.sp-notme summary::-webkit-details-marker{display:none}

/* 浮动“记一笔” */
.sp-fab{position:fixed;z-index:40;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom));display:inline-flex;align-items:center;gap:8px;min-height:56px;padding:0 26px 0 20px;border-radius:999px;background:var(--main);color:var(--on-main);font-weight:600;font-size:1.05rem;box-shadow:0 12px 32px rgba(0,0,0,.22),0 2px 6px rgba(0,0,0,.12)}
.sp-fab:active{transform:translateX(-50%) scale(.97)}

.sp-toast{position:fixed;z-index:70;left:50%;transform:translateX(-50%);bottom:calc(92px + env(safe-area-inset-bottom));max-width:min(90vw,480px);padding:11px 18px;border-radius:999px;background:var(--ink);color:var(--bg);font-size:.92rem;font-weight:500;box-shadow:0 10px 30px rgba(0,0,0,.2);text-align:center;animation:toastIn .25s ease}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translateX(-50%)}}

/* 底部抽屉 */
.sheet{border:0;padding:0;margin:auto auto 0;width:100%;max-width:640px;max-height:92vh;max-height:92dvh;border-radius:24px 24px 0 0;background:var(--bg);color:var(--ink);box-shadow:0 -10px 40px rgba(0,0,0,.18);overflow:hidden}
.sheet[open]{display:flex;flex-direction:column;animation:sheetUp .3s cubic-bezier(.2,.8,.2,1)}
.sheet::backdrop{background:rgba(0,0,0,.4)}
@keyframes sheetUp{from{transform:translateY(32px);opacity:.5}to{transform:none;opacity:1}}
.sheet__bar{position:relative;display:flex;align-items:center;gap:10px;padding:18px 12px 8px 20px;flex:none}
.sheet__grip{position:absolute;left:50%;top:7px;width:36px;height:4px;margin-left:-18px;border-radius:2px;background:var(--line)}
.sheet__title{margin:0;flex:1;font-weight:600;font-size:1.05rem}
.sheet__x{width:36px;height:36px;border-radius:50%;background:var(--sunk);font-size:1.3rem;line-height:1;color:var(--ink2)}
.sheet__body{overflow-y:auto;overscroll-behavior:contain;flex:1;display:block}
.sheet__foot{flex:none;display:grid;grid-template-columns:1fr 2fr;gap:10px;padding:10px 16px calc(12px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line)}
body.sheet-open{overflow:hidden}
@media (min-width:700px){.sheet{margin:auto;border-radius:24px;max-height:86vh}}

/* 表单 */
.sp-form{padding:4px 16px 24px;display:grid;gap:22px}
.sp-field{display:grid;gap:10px}
.sp-field>label,.sp-lab>label{font-size:.8rem;color:var(--muted);letter-spacing:.02em}
.sp-lab{display:flex;justify-content:space-between;align-items:center;gap:10px}
.sp-hint{margin:-6px 0 0;font-size:.82rem;color:var(--muted)}
.sp-body input:not([type=radio]):not([type=checkbox]),.sp-body select{width:100%;min-height:50px;padding:10px 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:1rem;-webkit-appearance:none;appearance:none}
.sp-body select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:32px}
.sp-body input:focus,.sp-body select:focus{outline:none;border-color:var(--ink2)}
.sp-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sp-err{margin:0;padding:12px 16px;border-radius:var(--r-sm);background:color-mix(in srgb,var(--minus) 12%,var(--surface));color:var(--minus);font-weight:500;font-size:.92rem}

/* 金额框（带计算按钮） */
.sp-amt{display:grid;justify-items:center;gap:10px;padding:18px 14px 16px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.sp-amt__k{margin:0;font-size:.8rem;color:var(--muted)}
.sp-body .sp-amt input#spAmt{border:0;background:transparent;text-align:center;font-size:2.4rem;font-weight:600;letter-spacing:-.03em;min-height:58px;padding:0;caret-color:var(--accent)}
.sp-body .sp-amt input#spAmt::placeholder{color:var(--line)}
.sp-amt__eq{margin:-8px 0 0;min-height:1.3em;font-size:1rem;font-weight:600;color:var(--accent)}
.sp-ops{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;width:100%}
.sp-ops button{min-height:46px;border-radius:12px;background:var(--sunk);font-size:1.35rem;font-weight:500;color:var(--ink);touch-action:manipulation;user-select:none;-webkit-user-select:none}
.sp-ops button:active{background:var(--line)}
.sp-ops button[data-op="⌫"]{font-size:1.1rem;color:var(--ink2)}
.sp-conv{margin:0;min-height:1.4em;font-size:.88rem;color:var(--muted);text-align:center}
.sp-conv b{color:var(--ink);font-weight:600}
.sp-conv i{font-style:normal;margin:0 8px;opacity:.5}

/* 分段 / 胶囊选择 */
.sp-seg{display:inline-flex;flex-wrap:wrap;gap:4px;padding:3px;border-radius:999px;background:var(--sunk)}
.sp-seg label,.sp-chip{position:relative;display:inline-flex}
.sp-seg input,.sp-chip input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.sp-seg span{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;font-size:.88rem;font-weight:500;color:var(--ink2);cursor:pointer;user-select:none}
.sp-seg input:checked+span{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.sp-seg--sm span{min-height:30px;padding:0 12px;font-size:.82rem}
.sp-chips,.sp-split{display:flex;flex-wrap:wrap;gap:8px}
.sp-chip span{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:500;font-size:.95rem;cursor:pointer;user-select:none}
.sp-chip input:checked+span{background:var(--main);border-color:var(--main);color:var(--on-main)}
.sp-seg input:focus-visible+span,.sp-chip input:focus-visible+span{outline:2px solid var(--focus);outline-offset:2px}
.sp-curs .sp-chip span{min-height:38px;padding:0 13px;font-size:.88rem}
.sp-cats{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 -16px;padding:0 16px}
.sp-cats::-webkit-scrollbar{display:none}
.sp-cat{flex:none;display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px 0 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.9rem;font-weight:500}
.sp-cat span{font-size:1.05rem}
.sp-cat[aria-pressed="true"]{background:var(--main);border-color:var(--main);color:var(--on-main)}
.sp-sp{display:contents}
.sp-sp .sp-ex,.sp-sp .sp-each{display:none}
.is-exact .sp-split{display:grid;gap:8px}
.is-exact .sp-sp{display:grid;grid-template-columns:1fr 7.5em;gap:8px;align-items:center}
.is-exact .sp-sp .sp-ex{display:block;text-align:right;font-weight:600}
.is-exact .sp-sp .sp-chip span{width:100%}
.sp-left{margin:0;font-size:.88rem;color:var(--ink2)}
.sp-left b{color:var(--ink)}
.sp-left.is-ok{color:var(--plus);font-weight:600}
.sp-left.is-bad{color:var(--minus);font-weight:500}

/* 设置 */
#spMembers{display:grid;gap:8px}
.sp-mrow{display:grid;grid-template-columns:1fr 7.6em 40px;gap:8px;align-items:center}
.sp-mrow.is-del input,.sp-mrow.is-del select{opacity:.35;text-decoration:line-through}
.sp-x{width:40px;height:40px;border-radius:50%;background:var(--sunk);color:var(--muted);font-size:1.25rem;line-height:1}
.sp-addrow{justify-self:start}
.sp-rrow{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;margin-bottom:8px;font-size:.92rem;color:var(--ink2)}
.sp-rrow input{text-align:right}
.sp-linkbox{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}
.sp-linkbox input{font-size:.82rem!important;color:var(--ink2)!important}
.sp-fixed{margin:0;font-weight:600}

@media (max-width:360px){
  .sp-kpis dd{font-size:.92rem}
  .sp-ops button{min-height:42px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}