:root{
  --sun:#FF7A1A;--sun-deep:#EF5F06;--gold:#FFB23E;
  --cream:#FFF8F2;--cream-2:#FFEFE2;--paper:#fff;
  --ink:#2A2016;--ink-2:#6E5C4C;--muted:#9A8b7c;--line:#F2E6D8;
  --clay:#C8692B;--clay-soft:#FBEEE2;--clay-deep:#A9531F;--leaf:#1E9E6A;--leaf-soft:#E6F6EE;
  --red:#E5544B;--red-d:#B03A30;
  --fd:'Mitr',sans-serif;--fb:'Prompt',sans-serif;--fn:'Space Grotesk',sans-serif;
  --sh:0 12px 34px -22px rgba(120,70,20,.5);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;overflow-x:hidden}
body{font-family:var(--fb);color:var(--ink);background:var(--cream);line-height:1.55;-webkit-font-smoothing:antialiased}
body.has-nav{padding-bottom:66px}
::-webkit-scrollbar{display:none}
button{font-family:inherit;cursor:pointer}
a{text-decoration:none;color:inherit}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

header{position:sticky;top:0;z-index:40;background:rgba(255,248,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:10px;padding:11px 12px}
.htitle{font-family:var(--fd);font-weight:600;font-size:17px;flex:1}
.ib{width:38px;height:38px;border:none;background:transparent;display:grid;place-items:center;color:var(--ink);flex:none}

/* bill summary */
.bill{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--sun) 0%,var(--sun-deep) 62%,#D64F04 100%);border-radius:22px;padding:18px 17px;color:#fff;box-shadow:0 16px 34px -18px rgba(239,95,6,.85);animation:fadeUp .4s ease both}
.bill::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.12)}
.bill .rz{position:relative;z-index:1;display:inline-flex;align-items:center;gap:5px;font-family:var(--fd);font-weight:500;font-size:11.5px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);padding:3px 10px;border-radius:20px}
.bill .id{position:relative;z-index:1;font-family:var(--fn);font-weight:500;font-size:12.5px;letter-spacing:.5px;opacity:.95;margin-top:11px}
.bill .lbl{position:relative;z-index:1;font-family:var(--fb);font-size:12.5px;opacity:.9;margin-top:9px}
.bill .amt{position:relative;z-index:1;font-family:var(--fn);font-weight:700;font-size:32px;letter-spacing:.4px;line-height:1;margin-top:3px}
.bill .amt small{font-family:var(--fb);font-weight:400;font-size:14px;opacity:.85;margin-left:4px}
.bill .note{position:relative;z-index:1;font-size:11.5px;opacity:.9;margin-top:12px;display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);padding:8px 11px;border-radius:12px;line-height:1.4}

/* progress */
.pg{margin:16px 2px 4px;display:flex;align-items:center;gap:9px}
.pg .bar{flex:1;height:8px;border-radius:6px;background:var(--cream-2);overflow:hidden}
.pg .bar > i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--leaf),#37b884);transition:width .4s}
.pg .txt{font-family:var(--fd);font-weight:500;font-size:12px;color:var(--ink-2)}

/* installment cards = shared card box tokens (radius-lg 20 · sp-card-pad 16 · shadow-md) — uniform system-wide */
.inst{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg,20px);padding:var(--sp-card-pad,16px);box-shadow:var(--sh);margin-bottom:14px;animation:fadeUp .45s ease both;position:relative}
.inst.locked{opacity:.72}
.inst.paid{border-color:#BFE7D2;background:linear-gradient(180deg,#F4FBF7,#fff)}
.inst .top{display:flex;align-items:flex-start;gap:11px}
.inst .no{width:38px;height:38px;border-radius:12px;flex:none;display:grid;place-items:center;font-family:var(--fd);font-weight:700;font-size:16px;background:var(--cream-2);color:var(--sun-deep)}
.inst.paid .no{background:var(--leaf-soft);color:var(--leaf)}
.inst.locked .no{background:#F1ECE6;color:var(--muted)}
.inst .info{flex:1;min-width:0}
.inst .info h3{margin:0;font-family:var(--fd);font-weight:600;font-size:14.5px;color:var(--ink);line-height:1.3}
.inst .info .sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.inst .info .inv{font-family:var(--fn);font-size:11px;color:var(--ink-2);letter-spacing:.4px;margin-top:5px}
.inst .money{text-align:right;flex:none}
.inst .money b{font-family:var(--fn);font-weight:700;font-size:19px;color:var(--ink)}
.inst .money small{display:block;font-size:10.5px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:4px;font-family:var(--fd);font-weight:500;font-size:11px;padding:3px 9px;border-radius:20px;margin-top:8px}
.badge.wait{background:#FFF3D9;color:#B7791F}
.badge.ok{background:var(--leaf-soft);color:var(--leaf)}
.badge.lock{background:#F1ECE6;color:var(--muted)}
.inst .paybtn{width:100%;height:44px;margin-top:13px;border:none;border-radius:13px;font-family:var(--fd);font-weight:600;font-size:14.5px;color:#fff;background:linear-gradient(120deg,var(--sun),var(--sun-deep));display:inline-flex;align-items:center;justify-content:center;gap:7px;box-shadow:0 10px 20px -10px rgba(239,95,6,.8)}
.inst .paybtn:active{transform:translateY(1px)}
.inst .paybtn.ghost{background:#fff;color:var(--muted);border:1.5px solid var(--line);box-shadow:none}
.inst .paybtn[disabled]{background:#EDE6DE;color:var(--muted);box-shadow:none}

/* wallet mini */
.wmini{display:flex;align-items:center;gap:10px;background:var(--clay-soft);border:1px solid #F0DEC9;border-radius:14px;padding:11px 13px;margin-top:6px;font-size:12.5px;color:var(--clay-deep)}
.wmini b{font-family:var(--fn);font-weight:700;font-size:15px;margin-left:auto;color:var(--clay-deep)}
.wmini svg{width:18px;height:18px;flex:none}

/* member note — ชำระผ่านหน้ายืนยันการชำระเงิน */
.mnote{display:flex;gap:9px;align-items:flex-start;background:var(--clay-soft);border:1px solid #F0DEC9;border-radius:14px;padding:12px 13px;margin-top:14px;font-size:12px;color:var(--clay-deep);line-height:1.5}
.mnote svg{width:17px;height:17px;flex:none;margin-top:1px;color:var(--sun-deep)}
.mnote b{color:var(--sun-deep)}

/* ฝั่งแอ็ดมิน (read-only) — ธีมน้ำเงินแอดมิน โชว์ว่าตั้งค่าโดยแอดมินตอนสรุปบิล */
.adminctx{margin-top:16px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,#17233A,#22314F);color:#fff;box-shadow:0 16px 34px -20px rgba(23,35,58,.85);animation:fadeUp .5s ease both}
.adminctx .ax-hd{display:flex;align-items:center;gap:11px;padding:15px 16px 11px}
.adminctx .ax-ic{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.12);display:grid;place-items:center;flex:none}
.adminctx .ax-ic svg{width:20px;height:20px;color:#fff}
.adminctx .ax-tt{flex:1;min-width:0;font-family:var(--fd);font-weight:600;font-size:14px;line-height:1.25}
.adminctx .ax-tt span{display:block;font-family:var(--fb);font-weight:400;font-size:11px;color:#B9C6DC;margin-top:2px}
.adminctx .ax-pct{font-family:var(--fn);font-weight:700;font-size:15px;color:#fff;background:linear-gradient(120deg,var(--sun),var(--sun-deep));padding:5px 11px;border-radius:9px;flex:none}
.adminctx .ax-desc{font-size:12px;color:#D3DBE9;line-height:1.65;margin:0;padding:0 16px 13px}
.adminctx .ax-desc b{color:#fff;font-weight:500}
.adminctx .ax-flow{display:flex;flex-wrap:wrap;align-items:center;gap:6px;background:rgba(0,0,0,.2);padding:11px 16px}
.adminctx .ax-flow em{font-style:normal;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:4px 9px;border-radius:8px;font-size:10.5px;color:#EAF0F8}
.adminctx .ax-flow i{font-style:normal;color:#61708C;font-size:12px;font-weight:700}
.adminctx .ax-lock{display:flex;align-items:center;gap:6px;padding:11px 16px 13px;font-size:11px;color:#AEBAD0;border-top:1px solid rgba(255,255,255,.08)}
.adminctx .ax-lock svg{width:14px;height:14px;flex:none;color:#8FA0BD}

.foot{font-size:11px;color:var(--muted);text-align:center;margin-top:18px;line-height:1.6}

.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(20px);background:rgba(42,32,22,.95);color:#fff;font-size:12.5px;padding:10px 16px;border-radius:22px;z-index:9990;opacity:0;transition:.25s;pointer-events:none;max-width:86%;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
/* migration batch-04 guard: .badge sets no line-height (shared=1.6→lock 1.55, all badges carry ok/lock/wait modifier so bg/color safe); .toast sets no box-shadow (shared adds one) */
/* wave-2 collision guard: shared .note leaks color+border onto the white-text note inside .bill (local .bill .note sets neither) — restore white text, no border */
.badge{line-height:1.55}.toast{box-shadow:none}.bill .note{color:#fff;border:0}