:root{
  --brand:#0f5e6b; --brand2:#1b8a94; --accent:#29c4c0; --bg:#f2f6f8; --card:#fff;
  --text:#12303a; --muted:#6b8089; --line:#e2eaee; --good:#12a150; --warn:#e08a00; --bad:#d64045;
  --sat:env(safe-area-inset-top); --sab:env(safe-area-inset-bottom);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Sukhumvit Set","Thonburi",system-ui,sans-serif;
  font-size:16px;line-height:1.45;-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}
.app{max-width:560px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}
.top{position:sticky;top:0;z-index:5;background:linear-gradient(135deg,var(--brand2),var(--brand));
  color:#fff;padding:calc(var(--sat) + 10px) 16px 14px}
.top-row{display:flex;align-items:center;justify-content:space-between}
.top h1{margin:0;font-size:20px;font-weight:700}
.icon-btn{width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.2);color:#fff;font-size:24px}
main{flex:1;padding:14px 14px calc(96px + var(--sab));outline:none}
.tabs{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:560px;z-index:6;
  display:grid;grid-template-columns:repeat(6,1fr);background:#fff;border-top:1px solid var(--line);
  padding-bottom:var(--sab)}
.tabs button{position:relative;border:0;background:none;min-height:56px;padding:6px 2px;font-size:11px;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:2px}
.tabs button span{font-size:20px;filter:grayscale(1);opacity:.7}
.tabs button.active{color:var(--brand);font-weight:700}
.tabs button.active span{filter:none;opacity:1}
.tabs i{position:absolute;top:4px;left:calc(50% + 6px);background:var(--bad);color:#fff;font-style:normal;
  font-size:11px;min-width:18px;height:18px;border-radius:9px;line-height:18px;text-align:center;padding:0 4px}

.panel{background:var(--card);border-radius:16px;padding:14px;margin-bottom:12px;box-shadow:0 1px 3px rgba(15,60,70,.08)}
.panel h2{margin:0 0 10px;font-size:16px}
.muted{color:var(--muted);font-size:13px}
.label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px;font-weight:600}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1px solid var(--line);background:#eef3f5;border-radius:999px;padding:9px 14px;min-height:44px;font-size:14px}
.chip.on{background:var(--accent);border-color:var(--accent);color:#04363a;font-weight:700}
.field{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;font-size:16px}
.amount-row{display:flex;align-items:center;gap:8px}
.step{width:48px;height:48px;flex:none;border-radius:12px;border:1px solid var(--accent);background:#e8f8f8;color:var(--brand);font-size:22px}
.amount-row .field{text-align:center;font-weight:700;font-size:20px}

.btn{width:100%;min-height:48px;border:0;border-radius:12px;background:var(--accent);color:#04363a;font-weight:700;font-size:16px}
.btn.sec{background:#eef3f5;color:var(--text)}
.btn.danger{background:#fdeceb;color:var(--bad)}
.btn.sm{width:auto;min-height:40px;padding:0 14px;font-size:14px}

.rank{display:flex;gap:12px;align-items:center}
.rank+.rank{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.mini{width:54px;height:36px;flex:none;border-radius:6px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.rank .info{flex:1;min-width:0}
.rank .name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank .val{text-align:right}
.rank .val b{display:block;font-size:20px;color:var(--brand)}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:#e8f8f8;color:var(--brand);font-weight:700}
.tag.pt{background:#fff1de;color:#a35d00}
.tag.best{background:var(--good);color:#fff}
.tag.warn{background:#fff1de;color:#a35d00}
.tag.bad{background:#fdeceb;color:var(--bad)}

.credit{border-radius:16px;color:#fff;padding:14px;margin-bottom:12px;position:relative;overflow:hidden}
.credit h3{margin:0;font-size:18px}
.credit .sub{opacity:.85;font-size:13px}
.credit .rates{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:12px}
.credit .rates div{background:rgba(255,255,255,.18);border-radius:10px;padding:6px 8px;font-size:12px}
.credit .rates b{display:block;font-size:15px}
.credit .actions{display:flex;gap:8px;margin-top:12px}
.credit .actions button{flex:1;border:0;border-radius:10px;min-height:40px;background:rgba(255,255,255,.22);color:#fff;font-weight:600}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cmp{border:2px solid var(--line);border-radius:14px;padding:12px;text-align:center}
.cmp.win{border-color:var(--good);background:#f1fbf5}
.cmp .big{font-size:24px;font-weight:800;color:var(--brand);margin:6px 0 2px}
.matrix{width:100%;border-collapse:collapse;font-size:14px}
.matrix td{padding:10px 4px;border-top:1px solid var(--line);vertical-align:middle}
.matrix td:last-child{text-align:right;font-weight:700;color:var(--brand)}

.alert{display:flex;gap:10px;align-items:center;padding:12px 0}
.alert+.alert{border-top:1px solid var(--line)}
.alert .grow{flex:1;min-width:0}
.alert .days{text-align:center;min-width:56px}
.alert .days b{display:block;font-size:20px}
.empty{text-align:center;color:var(--muted);padding:28px 8px}
.banner{background:#fff1de;border:1px solid #f3cf9a;color:#7a4700;border-radius:14px;padding:12px;margin-bottom:12px;font-size:14px}
.note{font-size:12px;color:var(--muted);text-align:center;margin:8px 8px 0}

.sheet-backdrop{position:fixed;inset:0;background:rgba(5,25,30,.5);z-index:10}
.sheet{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:560px;max-height:92dvh;overflow:auto;z-index:11;
  background:#fff;border-radius:20px 20px 0 0;padding:16px 16px calc(20px + var(--sab));overscroll-behavior:contain}
.sheet[hidden],.sheet-backdrop[hidden]{display:none}
.sheet h2{margin:0 0 6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row{display:flex;gap:10px;margin-top:14px}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.sw{width:40px;height:40px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}
.sw.on{box-shadow:0 0 0 3px var(--brand)}

.sp-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.sp-name{width:76px;flex:none;font-size:14px;font-weight:600}
.sp-row .field{text-align:center;font-weight:700;min-width:0}
.step.sm{width:44px;height:44px}
.sp-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.sp-total b{font-size:20px;color:var(--brand)}

/* จอพับ/สองหน้าจอ (เช่น Surface Duo) แยกตามรอยพับ */
@media (horizontal-viewport-segments:2){
  .app,.tabs{max-width:none}
  .tabs{left:0;transform:none}
  main{padding-right:calc(env(viewport-segment-left 1 0, 50vw) + 14px)}
}
@media (prefers-reduced-motion:no-preference){.panel,.credit{animation:in .25s ease}}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.promo h3{margin:6px 0 4px;font-size:16px}
.promo .ph{display:flex;gap:6px;flex-wrap:wrap}
.promo .pl{margin:8px 0;font-size:14px}
.promo .pl .reward{font-weight:800;color:var(--brand);font-size:16px}
.chips2{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.chips2 .tag{font-size:12px}
.cards-status{border-top:1px solid var(--line);padding-top:8px}
.cs{display:flex;align-items:center;gap:8px;font-size:13px;padding:4px 0;flex-wrap:wrap}
.cs b{margin-left:auto}
.cs.yes b{color:var(--good)}.cs.no b{color:var(--bad)}.cs.check b{color:var(--warn)}
.src{margin-top:8px}.src a{color:var(--brand2)}
.mp+.mp{border-top:1px solid var(--line);margin-top:8px;padding-top:8px}