/* ===========================================================
   TripSplit — 網頁 UI　主題：復古登機證 / 出境候機室
   字體：Bricolage Grotesque（標題）· Spline Sans Mono（票券碼/金額）· Figtree（內文）
   =========================================================== */
:root{
  --blue:#2D7DD2;   --blue-deep:#15436F;  --blue-ink:#0E2A47;
  --coral:#FF6B5C;  --coral-deep:#E24A3B;
  --mint:#2BB894;   --amber:#F0982B;
  --paper:#F4EFE4;  --paper-2:#EAE2D2;    --card:#FCFAF4;
  --ink:#1B2A3A;    --muted:#7C7261;      --line:#E0D7C5;
  --radius:20px;
  --shadow-sm:0 2px 10px rgba(27,42,58,.07);
  --shadow:0 18px 44px -18px rgba(14,42,71,.40);
  --shadow-lg:0 36px 70px -28px rgba(14,42,71,.55);
  --disp:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"Figtree",ui-sans-serif,system-ui,"PingFang TC","Noto Sans TC",sans-serif;
  --mono:"Spline Sans Mono",ui-monospace,"SFMono-Regular",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}   /* 修正：display:flex 會蓋掉 hidden 屬性 */
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2.5px solid var(--blue);outline-offset:2px;border-radius:5px}
.btn-primary:focus-visible,.tab:focus-visible,.chip-toggle:focus-visible{outline-offset:3px}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);color:var(--ink);min-height:100vh;line-height:1.5;
  background:var(--paper);-webkit-font-smoothing:antialiased;letter-spacing:.1px;
}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 氛圍背景層 ---------- */
.bg-mesh,.bg-path,.bg-grain{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-mesh{
  background:
    radial-gradient(46% 40% at 12% 8%, rgba(45,125,210,.20), transparent 70%),
    radial-gradient(40% 38% at 92% 14%, rgba(255,107,92,.16), transparent 70%),
    radial-gradient(50% 45% at 78% 96%, rgba(43,184,148,.14), transparent 72%);
}
.bg-path svg{width:100%;height:100%}
.bg-path path{fill:none;stroke:rgba(21,67,111,.16);stroke-width:2;stroke-dasharray:2 10;stroke-linecap:round}
.bg-grain{
  opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}
#app,.topbar{position:relative;z-index:1}

/* ---------- 頂部列 ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 26px;color:#fff;position:sticky;top:0;z-index:20;
  background:linear-gradient(115deg,var(--blue-deep),var(--blue));
  box-shadow:0 10px 30px -12px rgba(14,42,71,.6);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand{font-family:var(--disp);font-weight:800;font-size:21px;letter-spacing:1px;cursor:pointer;display:flex;align-items:center;gap:8px}
.brand span{text-transform:uppercase}
.topbar-right{display:flex;align-items:center;gap:14px}
.user-chip{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.5px;
  background:rgba(255,255,255,.16);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
}

/* ---------- 通用 ---------- */
.view{max-width:780px;margin:0 auto;padding:30px 20px 90px}
.view-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.view-head h2{font-family:var(--disp);font-size:30px;font-weight:800;letter-spacing:-.5px}
.btn-primary{
  font-family:var(--body);background:var(--blue-ink);color:#fff;border:none;border-radius:13px;
  padding:12px 20px;font-size:14.5px;font-weight:700;cursor:pointer;letter-spacing:.3px;
  transition:transform .16s, box-shadow .16s, background .16s;box-shadow:0 8px 20px -10px rgba(14,42,71,.8);
}
.btn-primary:hover{background:var(--blue);transform:translateY(-2px);box-shadow:0 14px 26px -10px rgba(45,125,210,.7)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:transparent;border:none;color:inherit;opacity:.75;cursor:pointer;font-size:14px;padding:9px 12px;font-weight:600;border-radius:10px;transition:.15s}
.btn-ghost:hover{opacity:1;background:rgba(27,42,58,.06)}
.back-link{background:none;border:none;color:var(--blue-deep);font-size:14.5px;font-weight:600;cursor:pointer;margin-bottom:16px;padding:6px 0;letter-spacing:.3px}
.back-link:hover{color:var(--blue)}
.field{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.field input,.field select{
  font-family:var(--body);font-size:16px;font-weight:500;letter-spacing:0;text-transform:none;color:var(--ink);
  padding:12px 13px;border:1.5px solid var(--line);border-radius:12px;background:#fff;outline:none;transition:.16s;
}
.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(45,125,210,.15)}
.field input::placeholder{color:#B6AE9D;font-weight:400}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-error{color:var(--coral-deep);font-size:13px;margin:2px 0 12px;font-weight:600}
.hint{font-size:12.5px;color:var(--muted);margin:2px 0 12px;line-height:1.6}

/* 進場動畫 */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.boarding-pass,.section,.detail-head{animation:rise .5s cubic-bezier(.2,.7,.2,1) both}
.section:nth-child(2){animation-delay:.06s}
.section:nth-child(3){animation-delay:.12s}
.section:nth-child(4){animation-delay:.18s}
.boarding-pass:nth-child(2){animation-delay:.05s}
.boarding-pass:nth-child(3){animation-delay:.1s}
.boarding-pass:nth-child(4){animation-delay:.15s}

/* ---------- 登入 / 註冊 ---------- */
.auth-view{display:flex;align-items:center;justify-content:center;min-height:100svh;
  padding:max(24px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom))}
.auth-card{
  position:relative;background:var(--card);border-radius:24px;box-shadow:var(--shadow-lg);width:100%;max-width:404px;
  border:1px solid var(--line);animation:rise .6s cubic-bezier(.2,.7,.2,1) both;
}
.auth-hero{
  position:relative;color:#fff;text-align:center;padding:28px 26px 26px;border-radius:24px 24px 0 0;overflow:hidden;
  background:linear-gradient(150deg,var(--blue-ink),var(--blue) 135%);
}
.auth-hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -20%, rgba(255,255,255,.20), transparent 60%)}
.auth-hero-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:2px;opacity:.8;position:relative}
.auth-hero .plane{font-size:38px;display:inline-block;margin-top:6px;animation:fly 4s ease-in-out infinite;filter:drop-shadow(0 6px 10px rgba(0,0,0,.25));position:relative}
@keyframes fly{0%,100%{transform:translateX(-8px) translateY(2px) rotate(-5deg)}50%{transform:translateX(8px) translateY(-2px) rotate(5deg)}}
.auth-hero h1{font-family:var(--disp);font-size:34px;font-weight:800;margin:4px 0 4px;letter-spacing:1.5px;text-transform:uppercase;position:relative}
.auth-hero p{opacity:.92;font-size:12.5px;letter-spacing:.5px;position:relative}
/* 票券撕線 + 兩側打孔（boarding pass）*/
.auth-perf{position:relative;height:0;border-top:2px dashed var(--line);margin:0 18px}
.auth-perf::before,.auth-perf::after{content:"";position:absolute;top:-12px;width:22px;height:22px;border-radius:50%;background:var(--paper);box-shadow:inset 0 1px 2px rgba(27,42,58,.14)}
.auth-perf::before{left:-29px}.auth-perf::after{right:-29px}
.tabs{display:flex;border-bottom:1px solid var(--line);background:var(--card);margin-top:11px}
.tab{flex:1;background:none;border:none;padding:15px;font-family:var(--body);font-size:14px;font-weight:700;letter-spacing:.5px;color:var(--muted);cursor:pointer;border-bottom:2.5px solid transparent;transition:color .2s,border-color .2s}
.tab.active{color:var(--blue-deep);border-bottom-color:var(--coral)}
.auth-form{padding:22px 26px 4px}
.auth-form .btn-primary{width:100%;margin-top:8px;padding:14px;font-size:15px}
.pw-wrap{position:relative;display:flex}
.pw-wrap input{flex:1;padding-right:62px}
.pw-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--blue-deep);font-family:var(--body);font-size:13px;font-weight:600;cursor:pointer;padding:7px 9px;border-radius:8px;text-transform:none;letter-spacing:0}
.pw-toggle:hover{background:#EEF4FC}
.auth-hint{text-align:center;color:var(--muted);font-size:12px;padding:14px 26px 6px;letter-spacing:.2px}
.auth-barcode{height:30px;margin:2px 26px 22px;border-radius:2px;opacity:.62;
  background-image:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 4px,var(--ink) 4px 5px,transparent 5px 9px,var(--ink) 9px 12px,transparent 12px 14px)}

/* ---------- 旅程卡 = 登機證 ---------- */
.trips-list{display:flex;flex-direction:column;gap:22px}
.boarding-pass{
  position:relative;background:var(--card);border-radius:var(--radius);cursor:pointer;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s cubic-bezier(.2,.7,.2,1), box-shadow .2s;
}
.boarding-pass:hover{transform:translateY(-5px) rotate(-.3deg);box-shadow:var(--shadow-lg)}
.bp-top{
  background:linear-gradient(120deg,var(--blue-ink),var(--blue));color:#fff;
  padding:15px 20px 13px;display:flex;justify-content:space-between;align-items:center;
}
.bp-airline{font-family:var(--mono);font-size:10.5px;letter-spacing:2px;text-transform:uppercase;opacity:.85}
.bp-rate{font-family:var(--mono);font-size:11px;letter-spacing:.5px;background:rgba(255,255,255,.16);padding:4px 11px;border-radius:999px;white-space:nowrap;border:1px solid rgba(255,255,255,.2)}
/* 航線碼 TPE ✈ TYO 風格 */
.bp-route-row{display:flex;align-items:center;gap:14px;padding:16px 20px 4px;color:var(--blue-ink)}
.bp-code{font-family:var(--mono);font-size:30px;font-weight:700;letter-spacing:1px;line-height:1}
.bp-plane{flex:1;text-align:center;color:var(--coral);font-size:18px;position:relative}
.bp-plane::before,.bp-plane::after{content:"";position:absolute;top:50%;width:calc(50% - 16px);border-top:2px dotted var(--line)}
.bp-plane::before{left:0}.bp-plane::after{right:0}
.bp-name{padding:2px 20px 14px;font-family:var(--disp);font-size:19px;font-weight:700;letter-spacing:-.3px;display:flex;align-items:center;gap:8px;color:var(--ink)}
.bp-name .flag{font-size:22px}
.bp-ccy{font-family:var(--mono);font-size:11px;letter-spacing:.5px;opacity:.7;font-weight:500}
/* 撕票虛線 + 兩側打孔 */
.bp-perf{position:relative;height:0;margin:0 4px;border-top:2px dashed var(--line)}
.bp-perf::before,.bp-perf::after{content:"";position:absolute;top:-11px;width:20px;height:20px;border-radius:50%;background:var(--paper);box-shadow:inset 0 1px 2px rgba(27,42,58,.12)}
.bp-perf::before{left:-12px}.bp-perf::after{right:-12px}
.bp-bottom{padding:16px 20px 12px;display:flex;justify-content:space-between;align-items:flex-end}
.bp-net .label{font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);font-weight:600}
.bp-net .amt{font-family:var(--mono);font-size:24px;font-weight:700;letter-spacing:.5px;margin-top:2px}
.amt.pos{color:var(--mint)} .amt.neg{color:var(--coral-deep)} .amt.zero{color:var(--blue-ink)}
.bp-meta{font-family:var(--mono);font-size:11px;color:var(--muted);text-align:right;line-height:1.7;letter-spacing:.3px}
/* 條碼 */
.bp-barcode{height:34px;margin:2px 20px 16px;background-image:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 4px,var(--ink) 4px 5px,transparent 5px 9px,var(--ink) 9px 12px,transparent 12px 14px);opacity:.82;border-radius:2px}

/* ---------- 空狀態 ---------- */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.empty-plane{font-size:60px;margin-bottom:14px;display:inline-block;animation:fly 4s ease-in-out infinite}
.empty p{font-size:15px;letter-spacing:.3px}

/* ---------- 旅程詳情 ---------- */
.detail-head{
  position:relative;color:#fff;border-radius:var(--radius);padding:24px;margin-bottom:20px;overflow:hidden;
  background:linear-gradient(120deg,var(--blue-ink),var(--blue));box-shadow:var(--shadow);
}
.detail-head::after{content:"✈";position:absolute;right:-6px;top:-10px;font-size:120px;opacity:.08;transform:rotate(18deg)}
.detail-head h2{font-family:var(--disp);font-size:26px;font-weight:800;margin-bottom:6px;letter-spacing:-.3px}
.detail-head .sub{font-family:var(--mono);opacity:.9;font-size:12.5px;letter-spacing:.5px}
.rate-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.16);padding:6px 13px;border-radius:999px;font-family:var(--mono);font-size:12px;letter-spacing:.3px;margin-top:12px;border:1px solid rgba(255,255,255,.2)}
.rate-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(43,184,148,.35);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(43,184,148,0)}}
.section{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px;margin-bottom:18px;border:1px solid var(--line)}
.section h3{font-family:var(--disp);font-size:17px;font-weight:700;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.section h3 .btn-ghost,.section h3 .btn-primary{font-size:13px;padding:8px 14px}

/* 成員淨額列 */
.bal-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line)}
.bal-row:last-child{border-bottom:none}
.member{display:flex;align-items:center;gap:12px}
.avatar{width:38px;height:38px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;box-shadow:0 4px 10px -3px rgba(27,42,58,.5);font-family:var(--disp)}
.bal-amt{text-align:right;font-family:var(--mono);font-weight:700;font-size:16px}
.bal-amt small{display:block;font-weight:500;color:var(--muted);font-size:11px;margin-top:1px}

/* 轉帳方案 */
.transfer{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;padding:12px 14px;background:linear-gradient(100deg,#FFF1EE,#FFF7E9);border:1px solid #FBDDD3;border-radius:14px;margin-bottom:9px;font-size:14.5px;font-weight:600}
.transfer .arrow{color:var(--coral);font-weight:800;font-size:16px}
.transfer .t-amt{margin-left:auto;font-family:var(--mono);font-weight:700;color:var(--coral-deep);text-align:right}
.settled-note{color:var(--mint);font-weight:700;text-align:center;padding:14px;font-size:15px;letter-spacing:.3px}

/* 花費列 */
.exp-row{display:flex;align-items:center;gap:13px;padding:12px 0;border-bottom:1px dashed var(--line)}
.exp-row:last-child{border-bottom:none}
.cat-ico{width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;background:#EEF4FC}
.cat-food{background:#FFF0EC}.cat-drink{background:#FBF1E2}.cat-transport{background:#EAF2FB}
.cat-lodging{background:#EFEAFB}.cat-shopping{background:#FDEFF6}.cat-tickets{background:#E9F7F1}
.cat-entertainment{background:#FDEEE8}.cat-grocery{background:#EFF6E9}.cat-sim{background:#E8F4F6}
.cat-medical{background:#FBECEC}.cat-souvenir{background:#F6EEF9}.cat-other{background:#F1EEE7}
.exp-main{flex:1;min-width:0}
.exp-title{font-weight:600;font-size:15.5px}
.exp-sub{font-size:12px;color:var(--muted);margin-top:1px}
.exp-amt{text-align:right;font-family:var(--mono);font-weight:700;white-space:nowrap;font-size:15px}
.exp-amt small{display:block;font-weight:500;color:var(--muted);font-size:11px;margin-top:1px}
.exp-del{background:none;border:none;color:#C4BBA9;cursor:pointer;font-size:15px;padding:6px;border-radius:8px;transition:.15s}
.exp-del:hover{color:var(--coral-deep);background:#FFF1EE}

/* 參與者勾選 */
.participants{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.chip-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1.5px solid var(--line);border-radius:999px;cursor:pointer;font-size:14px;user-select:none;transition:.16s;background:#fff;text-transform:none;letter-spacing:0;font-weight:500;color:var(--ink)}
.chip-toggle.on{border-color:var(--blue);background:#EAF2FB;color:var(--blue-deep);font-weight:700}
.chip-toggle.treat.on{border-color:var(--coral);background:#FFEFEC;color:var(--coral-deep)}
.chip-toggle.treat.on::before{content:"🎁 "}
.converted,.rate-preview{font-family:var(--mono);font-size:13px;color:var(--blue-deep);background:#EAF2FB;padding:9px 13px;border-radius:11px;margin:-4px 0 14px;font-weight:600;letter-spacing:.3px;border:1px solid #D5E5F5}

/* 金額輸入 + 幣別切換 */
.amount-wrap{display:flex;gap:8px;align-items:stretch}
.amount-wrap input{flex:1;min-width:0}
.ccy-toggle{display:inline-flex;border:1.5px solid var(--line);border-radius:12px;overflow:hidden;flex-shrink:0}
.ccy-btn{font-family:var(--mono);font-size:13px;font-weight:600;padding:0 12px;background:#fff;border:none;cursor:pointer;color:var(--muted);letter-spacing:.3px;transition:.15s}
.ccy-btn.on{background:var(--blue-ink);color:#fff}
.ccy-btn:not(.on):hover{background:#EEF4FC}

/* 指定金額：每人一列 */
.part-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)}
.part-row:last-child{border-bottom:none}
.part-row .chip-toggle{flex:1}
.part-amt{width:118px;flex-shrink:0;font-family:var(--mono);font-size:15px;padding:9px 11px;border:1.5px solid var(--line);border-radius:10px;outline:none;text-align:right;transition:.15s;text-transform:none}
.part-amt:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(45,125,210,.15)}
.exact-sum{font-family:var(--mono);font-size:13px;font-weight:600;margin:10px 0 2px;padding:9px 13px;border-radius:11px;letter-spacing:.3px}
.exact-sum.good{background:#E9F7F1;color:var(--mint);border:1px solid #BFE8DA}
.exact-sum.bad{background:#FFF1EE;color:var(--coral-deep);border:1px solid #FBDDD3}

/* ---------- Dialog ---------- */
.dialog{border:none;border-radius:22px;padding:0;max-width:460px;width:92%;box-shadow:var(--shadow-lg);background:var(--card);margin:auto}  /* margin:auto 修正：reset 的 *{margin:0} 會讓原生 dialog 跑到左上角 */
.dialog::backdrop{background:rgba(14,42,71,.5);backdrop-filter:blur(3px)}
.dialog[open]{animation:rise .28s cubic-bezier(.2,.7,.2,1)}
.dialog form{padding:26px}
.dialog h3{font-family:var(--disp);font-size:21px;font-weight:800;margin-bottom:18px;letter-spacing:-.3px}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}

/* 文字區（備註） */
.field textarea{font-family:var(--body);font-size:15px;color:var(--ink);padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;background:#fff;outline:none;resize:vertical;text-transform:none;letter-spacing:0;transition:.16s}
.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(45,125,210,.15)}
.field input[type=file]{font-family:var(--body);text-transform:none;letter-spacing:0;font-size:13px;padding:10px;color:var(--muted)}

/* 收據預覽 */
.receipt-preview{margin:-4px 0 14px;position:relative}
.receipt-preview img{width:100%;max-height:240px;object-fit:cover;border-radius:13px;border:1px solid var(--line);cursor:zoom-in}
.receipt-preview .rm{position:absolute;top:8px;right:8px;background:rgba(27,42,58,.8);color:#fff;border:none;border-radius:50%;width:30px;height:30px;cursor:pointer;font-size:15px}
.exp-receipt{width:42px;height:42px;border-radius:10px;object-fit:cover;border:1px solid var(--line);cursor:pointer;flex-shrink:0}

/* 編輯歷程 */
.history{margin:0 0 14px;padding:12px 14px;background:#F3F0E8;border-radius:13px;border:1px solid var(--line)}
.history h4{font-family:var(--disp);font-size:13px;margin-bottom:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.history .log{font-size:12.5px;color:var(--ink);display:flex;gap:8px;padding:3px 0}
.history .log .who{font-weight:600}
.history .log .when{font-family:var(--mono);color:var(--muted);margin-left:auto;font-size:11.5px}
.history .log-detail{font-size:12px;color:var(--blue-deep);background:#EAF2FB;border-radius:8px;padding:5px 9px;margin:2px 0 8px;line-height:1.6}
.exp-note{font-size:12.5px;color:var(--blue-deep);background:#EAF2FB;border-radius:8px;padding:4px 9px;margin-top:5px;display:inline-block}
.exp-treat{font-size:12px;color:var(--coral-deep);background:#FFEFEC;border-radius:8px;padding:3px 9px;margin-top:5px;display:inline-block;font-weight:600}
.exp-split{font-size:12px;color:var(--ink);background:#F1EDE1;border-radius:8px;padding:4px 9px;margin-top:5px;display:inline-block;line-height:1.7}
.exp-split .sp{white-space:nowrap}       /* 每組「名字+金額」不被拆斷，只在「・」處換行 */
.exp-split .m{color:var(--muted)}
.exp-split .c{color:var(--muted);font-weight:400;font-size:11px}
.exp-split b{font-weight:700}
.exp-split .sep{color:var(--muted);opacity:.4;margin:0 3px}

/* 邀請連結 */
.invite-row{display:flex;gap:8px;margin:6px 0 4px}
.invite-row input{flex:1;font-family:var(--mono);font-size:12.5px;padding:11px 12px;border:1.5px solid var(--line);border-radius:11px;background:#F7F5EF;color:var(--ink);outline:none}
.share-actions{display:flex;flex-direction:column;gap:8px;margin:10px 0 4px}
.share-actions .btn-ghost{justify-content:flex-start;text-align:left;border:1.5px solid var(--line);border-radius:11px;color:var(--blue-deep);padding:12px 14px}
.share-actions .btn-ghost:hover{background:#EEF4FC}
.share-unit{font-size:13px;color:var(--muted);flex-shrink:0}

/* 付款方式選項 + 公基金 */
.pay-opts{display:flex;gap:18px;margin-top:9px}
.mini-check{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink);text-transform:none;letter-spacing:0;font-weight:500;cursor:pointer}
.mini-check input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer}
.fund-summary{display:flex;gap:12px;justify-content:space-between;background:#FBF6EA;border:1px solid #EEE2C8;border-radius:14px;padding:14px 16px;margin-bottom:10px}
.fund-summary>div{display:flex;flex-direction:column;gap:3px}
.fund-summary .label{font-size:11px;color:var(--muted);letter-spacing:.5px}
.fund-summary b{font-size:16px}

/* 結算「標記已還」按鈕 */
.transfer .settle-btn{margin-left:8px;background:var(--mint);color:#fff;border:none;border-radius:9px;padding:7px 12px;font-size:12.5px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.15s}
.transfer .settle-btn:hover{filter:brightness(.95)}
.settled-list{margin-top:10px}
.settled-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:7px 0;border-top:1px dashed var(--line)}
.settled-item .undo{margin-left:auto;background:none;border:none;color:var(--coral-deep);cursor:pointer;font-size:12px;text-decoration:underline}

/* 成員列（可移除）+ 邀請鈕 */
.mem-row{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed var(--line)}
.mem-row:last-child{border-bottom:none}
.mem-row .nm{flex:1;font-weight:600}
.mem-row .mem-invite{background:#EAF2FB;border:1px solid #D5E5F5;color:var(--blue-deep);border-radius:9px;padding:6px 10px;font-size:12px;cursor:pointer;font-weight:600;white-space:nowrap}
.mem-row .mem-invite:hover{background:#DCEAF8}
.mem-row .rm{background:none;border:none;color:#C4BBA9;cursor:pointer;font-size:15px;padding:5px}
.mem-row .rm:hover{color:var(--coral-deep)}

/* 分類統計 */
.stat-row{margin:9px 0}
.stat-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.stat-head .nm{font-weight:600}
.stat-head .vl{font-family:var(--mono);color:var(--muted)}
.stat-bar{height:9px;border-radius:99px;background:#EDE7DA;overflow:hidden}
.stat-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),#4A93DD)}

/* 旅程標題列的選單鈕 */
.head-menu{position:absolute;top:18px;right:18px;display:flex;gap:8px}
.head-menu button{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:9px;padding:6px 11px;font-size:12.5px;cursor:pointer;font-weight:600}
.head-menu button:hover{background:rgba(255,255,255,.28)}

/* 收據放大檢視（用 <dialog> 才能蓋在編輯視窗之上）*/
.lightbox{position:fixed;inset:0;width:100vw;height:100vh;max-width:100vw;max-height:100vh;border:none;margin:0;padding:24px;background:rgba(14,42,71,.9);backdrop-filter:blur(4px);cursor:zoom-out}
.lightbox[open]{display:flex;align-items:center;justify-content:center}
.lightbox::backdrop{background:transparent}
.lightbox img{max-width:100%;max-height:100%;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

/* 載入中轉圈 */
.spinner{display:flex;justify-content:center;align-items:center;padding:70px 0}
.spinner::after{content:"";width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 長字截斷（避免溢出版面）*/
.bp-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exp-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.detail-head h2{overflow:hidden;text-overflow:ellipsis}

/* 空狀態 CTA */
.empty .btn-primary{margin-top:18px}

/* 結清「護照印章」微互動 */
@keyframes stampin{0%{transform:scale(1.35) rotate(-7deg);opacity:0}60%{transform:scale(.96) rotate(2deg);opacity:1}100%{transform:scale(1) rotate(0)}}
.settled-note{animation:stampin .45s cubic-bezier(.2,.8,.3,1.2)}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--blue-ink);color:#fff;padding:13px 22px;border-radius:13px;font-size:14px;font-weight:600;letter-spacing:.3px;box-shadow:var(--shadow);z-index:50;animation:toastin .3s cubic-bezier(.2,.7,.2,1)}
@keyframes toastin{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}

/* ===== 手機優化（出國主要用手機）===== */
/* 安全區域（瀏海/Home Indicator） */
.topbar{padding-top:max(15px,env(safe-area-inset-top));padding-left:max(26px,env(safe-area-inset-left));padding-right:max(26px,env(safe-area-inset-right))}

@media(max-width:560px){
  .row{grid-template-columns:1fr}
  .view{padding:20px 15px calc(96px + env(safe-area-inset-bottom))}
  .view-head h2{font-size:25px}
  .bp-code{font-size:26px}
  .topbar{padding-bottom:13px}
  .brand{font-size:19px}

  /* 對話框 → 由底部滑出的 Bottom Sheet（拇指好按） */
  .dialog{
    max-width:none;width:100%;margin:0;top:auto;bottom:0;left:0;right:0;
    border-radius:24px 24px 0 0;max-height:92vh;overflow-y:auto;
  }
  .dialog[open]{animation:sheetup .32s cubic-bezier(.2,.7,.2,1)}
  @keyframes sheetup{from{transform:translateY(100%)}to{transform:translateY(0)}}
  .dialog form{padding:14px 18px calc(20px + env(safe-area-inset-bottom))}
  /* 頂部抓握條 */
  .dialog form::before{content:"";display:block;width:44px;height:5px;border-radius:99px;background:var(--line);margin:0 auto 16px}
  .dialog h3{font-size:20px}
  /* 動作鈕黏在底部、放大好按 */
  .dialog-actions{position:sticky;bottom:0;background:linear-gradient(transparent,var(--card) 22%);padding:12px 0 2px;margin-top:6px}
  .dialog-actions .btn-primary{flex:1;padding:15px;font-size:15.5px}
  .dialog-actions .btn-ghost{padding:15px 16px}
  .field input,.field select{padding:14px 13px;font-size:16px}  /* 16px 避免 iOS 自動放大 */
  .part-amt{width:104px;padding:11px 10px}
  .chip-toggle{padding:10px 15px}
  .detail-head{padding:20px}
  .detail-head h2{font-size:23px}
  .section{padding:17px}
}

/* 觸控裝置：移除 hover 位移，避免卡住的 hover 狀態 */
@media(hover:none){
  .boarding-pass:hover{transform:none}
  .boarding-pass:active{transform:scale(.985)}
}

/* 尊重「減少動態」：關掉進場/飄浮動畫，保留即時可用 */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .auth-hero .plane,.empty-plane,.rate-dot{animation:none !important}
}

/* ---------- 帳號設定對話框 ---------- */
button.user-chip{cursor:pointer;border:none;font:inherit}
button.user-chip:hover{filter:brightness(.97)}
.dialog-sep{border:none;border-top:1px solid var(--line);margin:18px 0 14px}
.dialog h4{margin:0 0 8px;font-size:14px;font-weight:700;color:var(--blue-ink)}
.dialog h4.danger-title{color:var(--coral-deep)}
.acc-btn{width:100%;margin-top:4px}
.btn-danger{background:var(--coral-deep);color:#fff;border:none;border-radius:12px;padding:12px 16px;font-weight:700;font-size:14px;cursor:pointer;transition:.15s}
.btn-danger:hover{background:var(--coral);transform:translateY(-1px)}
.btn-danger:active{transform:translateY(0) scale(.985)}

/* ---------- Cloudflare Turnstile ---------- */
.cf-turnstile{margin:10px 0 14px;min-height:65px}
.ts-fallback{margin:8px 0 14px;padding:11px 13px;background:#FFF1EE;border:1px solid #FBDDD3;border-radius:11px;color:var(--coral-deep);font-size:12.5px;line-height:1.6}

/* ---------- 詳情分頁切換（記帳 / 行程）---------- */
.detail-tabs{display:flex;gap:8px;margin:-4px 0 18px;background:var(--card);padding:6px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.dtab{flex:1;border:none;background:transparent;color:var(--muted);font-family:var(--disp);font-weight:700;font-size:14.5px;padding:11px;border-radius:10px;cursor:pointer;transition:.18s}
.dtab.active{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 8px 18px -8px rgba(45,125,210,.7)}
.dtab:not(.active):hover{color:var(--blue-deep);background:var(--paper-2)}

/* ---------- 行程規劃 ---------- */
.plan-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.dtab-ghost{background:var(--card);border:1px solid var(--line);color:var(--blue-deep);font-weight:600;font-size:13px;padding:9px 14px;border-radius:11px;cursor:pointer;transition:.15s}
.dtab-ghost:hover{background:var(--paper-2)}
.plan-map{height:300px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);margin-bottom:16px;background:var(--paper-2)}
.itin-day{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px 18px;margin-bottom:14px;border:1px solid var(--line)}
.day-head{font-family:var(--disp);font-size:16px;font-weight:800;color:var(--blue-ink);margin-bottom:10px;display:flex;align-items:baseline;gap:9px;border-bottom:2px dashed var(--line);padding-bottom:9px}
.day-head span{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.itin-item{display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.itin-item:last-child{border-bottom:none}
.itin-time{flex:0 0 50px;font-family:var(--mono);font-weight:600;font-size:13px;color:var(--blue-deep);background:var(--paper-2);border-radius:9px;text-align:center;padding:6px 4px;margin-top:1px}
.itin-time.ico{font-family:var(--body);font-size:17px;padding:5px 4px}
.itin-body{flex:1;min-width:0}
.itin-title{font-weight:600;font-size:15px;color:var(--ink)}
.itin-title .pin{font-size:11px}
.itin-meta{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.5}
.itin-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.itin-link{font-size:12px;color:var(--blue-deep);background:#EAF2FB;border:1px solid #D4E4F6;border-radius:8px;padding:3px 9px;cursor:pointer;font-weight:600}
.itin-link:hover{background:#dcebfa}
.itin-toexp{font-size:12px;color:var(--mint);background:transparent;border:1px dashed var(--mint);border-radius:8px;padding:3px 9px;cursor:pointer;font-weight:600}
.itin-toexp:hover{background:#E9F8F3}
.itin-nav{font-size:12px;color:var(--blue);background:rgba(45,125,210,.1);border:1px solid #D4E4F6;border-radius:8px;padding:3px 9px;cursor:pointer;font-weight:600;margin-top:4px}
.itin-nav:hover{background:rgba(45,125,210,.18)}
.itin-meta.loc.navable{cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.itin-meta.loc.navable:hover{color:var(--blue-deep)}
.nav-go{color:var(--blue);font-weight:600;background:rgba(45,125,210,.1);border:1px solid #D4E4F6;border-radius:7px;padding:1px 7px;white-space:nowrap}
/* 選地圖 App 開啟（沿用 .dialog：桌機置中卡、手機底部抽屜、.dialog form 內距+抓握條） */
.map-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.map-head h3{margin:0;font-family:var(--disp);font-size:18px;font-weight:800}
.map-pin{font-size:26px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue),var(--blue-deep));border-radius:14px;flex-shrink:0;box-shadow:0 8px 18px -8px rgba(45,125,210,.7)}
.map-dest{margin:2px 0 0;font-size:12.5px;color:var(--muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.map-choose{display:flex;flex-direction:column;gap:10px;margin-bottom:4px}
.map-app{display:flex;align-items:center;gap:13px;text-decoration:none;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:13px 15px;transition:.15s}
.map-app:hover{border-color:var(--blue);background:var(--paper-2);transform:translateY(-1px)}
.map-app:active{transform:translateY(0)}
.map-name{flex:1;font-size:15.5px;font-weight:700;color:var(--blue-ink)}
.map-arrow{font-size:22px;color:var(--muted);font-weight:300}
.map-ico{width:38px;height:38px;border-radius:10px;flex-shrink:0;background-size:cover;background-position:center;box-shadow:0 3px 8px -2px rgba(27,42,58,.35)}
.map-ico-apple{background:#000 url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M12 3c-1.2 0-2.6.8-3.5 1.9C7.7 5.9 7 7.4 7.2 8.8c1.3.1 2.6-.7 3.4-1.7.8-1 1.5-2.4 1.4-4.1zM16.8 17c-.5 1.1-.7 1.6-1.3 2.6-.9 1.4-2.1 3.1-3.6 3.1-1.3 0-1.7-.9-3.5-.8-1.8 0-2.2.8-3.5.8-1.5 0-2.6-1.6-3.5-3C-.7 16-.1 11.4 2.6 9.1c1-.8 2.1-1.3 3.2-1.3 1.4 0 2.3.9 3.5.9 1.1 0 1.8-.9 3.5-.9 1 0 2 .3 2.9 1-2.5 1.5-2.1 5.1.6 6.2z'/></svg>") center/22px no-repeat}
.map-ico-google{background:#fff;border:1px solid var(--line)}
.map-ico-google::after{content:"";display:block;width:100%;height:100%;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23EA4335' d='M12 2C8.1 2 5 5.1 5 9c0 5.2 7 13 7 13s7-7.8 7-13c0-3.9-3.1-7-7-7zm0 9.5A2.5 2.5 0 1112 6.5a2.5 2.5 0 010 5z'/></svg>") center/26px no-repeat}
.map-dialog .dialog-actions{margin-top:8px}
.itin-actions{display:flex;gap:2px;flex-shrink:0}
.itin-actions button{background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:7px;transition:.15s}
.itin-actions button:hover:not(:disabled){background:var(--paper-2);color:var(--blue-deep)}
.itin-actions button:disabled{opacity:.25;cursor:default}
.itin-actions .rm:hover{color:var(--coral-deep)}
/* 打包清單 */
.packing-section{margin-top:18px}
.pack-progress{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--mint)}
.pack-add{display:flex;gap:8px;margin-bottom:12px}
.pack-add input{flex:1;min-width:0;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:14px;font-family:var(--body);background:var(--card)}
.pack-add input:focus{outline:none;border-color:var(--blue)}
.pack-add select{border:1.5px solid var(--line);border-radius:11px;padding:0 8px;font-size:13px;font-family:var(--body);background:var(--card);color:var(--ink);cursor:pointer}
.pack-add .btn-primary{padding:11px 16px}
.pack-item{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px dashed var(--line)}
.pack-item:last-child{border-bottom:none}
.pack-check{width:24px;height:24px;flex-shrink:0;border:2px solid var(--line);border-radius:50%;background:#fff;color:#fff;font-size:13px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;line-height:1}
.pack-check.on{background:var(--mint);border-color:var(--mint)}
.pack-check:hover{border-color:var(--mint)}
.pack-main{flex:1;min-width:0}
.pack-row1{display:flex;align-items:center;gap:8px}
.pack-title{font-size:14.5px;color:var(--ink);font-weight:500}
.pack-item.done .pack-title{text-decoration:line-through;color:var(--muted)}
.pack-mode{font-size:10.5px;font-weight:600;padding:1px 7px;border-radius:6px;white-space:nowrap}
.pack-mode-each{color:var(--blue-deep);background:#EAF2FB}
.pack-mode-shared{color:var(--amber);background:#FDF1DF}
.pack-row2{display:flex;align-items:center;gap:8px;margin-top:3px;flex-wrap:wrap}
.pack-status{font-size:11.5px;color:var(--muted)}
.pack-avas{display:flex;gap:3px}
.pack-ava{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;background:var(--line);border:1px solid #fff;box-shadow:0 1px 3px rgba(27,42,58,.25)}
.pack-ava:not(.on){background:var(--paper-2)!important;color:var(--muted);box-shadow:none;opacity:.7}
.pack-item .rm{background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:7px;flex-shrink:0}
.pack-item .rm:hover{color:var(--coral-deep);background:var(--paper-2)}
/* 地點關鍵字搜尋 */
.place-search{display:flex;gap:8px;margin-bottom:8px}
.place-search input{flex:1;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:14px;font-family:var(--body);background:var(--card)}
.place-search input:focus{outline:none;border-color:var(--blue)}
.place-search .btn-primary{padding:11px 16px}
.place-results{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:8px;background:var(--card)}
.place-row{display:block;width:100%;text-align:left;background:transparent;border:none;border-bottom:1px solid var(--line);padding:10px 13px;cursor:pointer;transition:.12s}
.place-row:last-child{border-bottom:none}
.place-row:hover{background:var(--paper-2)}
.place-row b{display:block;font-size:14px;color:var(--blue-ink);font-weight:600}
.place-row small{display:block;font-size:11.5px;color:var(--muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.place-empty{padding:12px 13px;font-size:12.5px;color:var(--muted)}
/* 對話框內挑點地圖 */
.pick-map{height:220px;border-radius:13px;overflow:hidden;border:1px solid var(--line);margin:8px 0;background:var(--paper-2)}
.coord-note{font-size:12px;color:var(--blue-deep);background:#EAF2FB;border-radius:9px;padding:7px 11px;margin-top:6px;display:flex;align-items:center;gap:8px}