/* ============================================================
   Mulatab PWA — phone-first fintech UI
   Palette: deep ink surfaces + mint-teal accent. No external fonts (reliability).
   ============================================================ */
:root{
  --ink:#06141b;
  --bg:#0a1c23;
  --surface:#0f2730;
  --surface-2:#143540;
  --line:#1d4451;
  --line-soft:#163742;
  --text:#eaf6f4;
  --muted:#8fb2b6;
  --faint:#5f8389;
  --accent:#14b8a6;
  --accent-2:#5eead4;
  --accent-ink:#03201d;
  --pos:#34d399;
  --neg:#fb7185;
  --warn:#fbbf24;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --radius:18px;
  --radius-sm:12px;
  --phone-w:390px;
  --tap:44px;
  font-synthesis-weight:none;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
html{ -webkit-text-size-adjust:100%; }
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(1200px 800px at 50% -10%, #0e2a33 0%, var(--ink) 60%) fixed;
  color:var(--text);
  line-height:1.45;
  overflow-x:hidden;
  min-height:100vh;
  min-height:100dvh;
}
button{font-family:inherit}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:8px}

/* ---------- Boot / splash ---------- */
#boot{
  position:fixed;inset:0;z-index:9999;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  background:radial-gradient(800px 600px at 50% 30%, #0e2a33, var(--ink));
  transition:opacity .45s ease;
}
#boot.hide{opacity:0;pointer-events:none}
.boot-mark{width:84px;height:84px;border-radius:24px;
  background:linear-gradient(140deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 40px rgba(20,184,166,.35);}
.boot-mark span{font-size:46px;font-weight:800;color:var(--accent-ink)}
.boot-name{font-size:22px;font-weight:700;letter-spacing:.3px}
.boot-sub{color:var(--muted);font-size:13px;margin-top:-10px}
.boot-spin{width:26px;height:26px;border-radius:50%;border:3px solid #ffffff22;border-top-color:var(--accent-2);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Stage (desktop = four phones, mobile = single) ---------- */
#stage{min-height:100vh;min-height:100dvh}
.showcase-head{display:none}

/* The phone frame */
.phone{
  position:relative;
  width:100%;
  max-width:var(--phone-w);
  margin:0 auto;
  min-height:100vh;
  min-height:100dvh;
  background:var(--bg);
  display:flex;flex-direction:column;
  overflow:hidden;
}
.phone__screen{
  flex:1;display:flex;flex-direction:column;min-height:0;position:relative;
  padding-top:env(safe-area-inset-top);
}

/* ---------- Top bar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 18px 10px;
}
.topbar .who{display:flex;align-items:center;gap:14px;min-width:0}
.avatar{width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(140deg,var(--accent),var(--accent-2));
  color:var(--accent-ink);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.who .hi{font-size:12px;color:var(--muted);line-height:1}
.who .nm{font-size:15px;font-weight:700;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{
  width:var(--tap);height:var(--tap);border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex:0 0 auto;font-size:18px;transition:background .15s,transform .08s}
.icon-btn:active{transform:scale(.94)}
.icon-btn:hover{background:var(--surface-2)}

/* ---------- Scrollable content ---------- */
.scroll{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;
  padding:4px 18px 110px}
.screen{display:none;animation:fade .25s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

h2.section{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);
  margin:22px 2px 10px;font-weight:700}
.muted{color:var(--muted)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow)}
.card+.card{margin-top:12px}

/* Balance hero */
.balance{background:linear-gradient(150deg,#10333d,#0c2630);border:1px solid var(--line);
  border-radius:22px;padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.balance::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,234,212,.18),transparent 70%)}
.balance .lbl{font-size:12px;color:var(--muted);letter-spacing:.04em}
.balance .amt{font-size:38px;font-weight:800;margin:4px 0 2px;letter-spacing:-.02em}
.balance .sub{font-size:13px;color:var(--muted)}
.points{display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  background:#0b2a25;border:1px solid #1c5145;color:var(--accent-2);
  padding:6px 11px;border-radius:999px;font-size:12px;font-weight:700}

/* Quick actions row */
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.quick button{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;
  padding:12px 4px;color:var(--text);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;
  font-size:11px;font-weight:600;transition:background .15s,transform .08s;min-height:var(--tap)}
.quick button:active{transform:scale(.96)}
.quick button:hover{background:var(--surface-2)}
.quick .qi{width:34px;height:34px;border-radius:11px;background:#0c2a2f;display:flex;align-items:center;justify-content:center;font-size:17px}

/* List rows */
.row{display:flex;align-items:center;gap:10px;padding:12px 4px;border-bottom:1px solid var(--line-soft);cursor:pointer}
.row:last-child{border-bottom:none}
.row .ico{width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);font-size:18px}
.row .body{flex:1;min-width:0}
.row .t1{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .t2{font-size:12px;color:var(--muted);white-space:normal;line-height:1.25}
.row .amt{font-weight:700;font-size:13.5px;flex:0 0 auto}
.amt.pos{color:var(--pos)}.amt.neg{color:var(--neg)}

.tab-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;padding:14px;cursor:pointer;
  transition:border-color .15s,transform .08s}
.tab-card:active{transform:scale(.99)}
.tab-card:hover{border-color:var(--line)}
.tab-card+.tab-card{margin-top:10px}
.tab-card .th{display:flex;justify-content:space-between;align-items:center;gap:10px}
.tab-card .tt{font-weight:700;font-size:16px;line-height:1.18;min-width:0;flex:1}
.pill{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px}
.tab-card .pill{flex:0 0 auto;white-space:nowrap}
.pill.owe{background:#3a1620;color:var(--neg)}
.pill.owed{background:#0c2e23;color:var(--pos)}
.pill.settled{background:#15323a;color:var(--muted)}
.avatars{display:flex;margin-top:10px}
.avatars .av{width:26px;height:26px;border-radius:50%;margin-left:-6px;border:2px solid var(--surface);
  background:var(--surface-2);font-size:10px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--accent-2)}
.avatars .av:first-child{margin-left:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:14px;border:1px solid transparent;padding:13px 16px;font-size:15px;font-weight:700;
  cursor:pointer;min-height:var(--tap);width:100%;transition:transform .08s,filter .15s,background .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(140deg,var(--accent),var(--accent-2));color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-danger{background:#3a1620;border-color:#5c2230;color:var(--neg)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:10px;margin-top:14px}
.btn-row .btn{width:auto;flex:1}

/* Inputs */
.field{margin-top:12px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:600}
.input{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:12px;
  padding:13px 14px;color:var(--text);font-size:16px;min-height:var(--tap)}
.input:focus{border-color:var(--accent);outline:none}
.amount-input{font-size:34px;font-weight:800;text-align:center;border:none;background:transparent;width:100%;color:var(--text)}
.amount-input:focus{outline:none}

.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:14px;
  color:var(--text);cursor:pointer;min-height:38px;transition:background .15s}
.chip:hover{background:var(--surface-2)}
.chip.sel{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

/* Bottom nav */
.navbar{position:absolute;left:0;right:0;bottom:0;z-index:50;
  display:grid;grid-template-columns:repeat(5,1fr);gap:2px;
  background:rgba(8,22,30,.92);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-soft);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));}
.navbar button{background:none;border:none;color:var(--faint);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px;font-size:10.5px;font-weight:600;
  min-height:var(--tap)}
.navbar button .ni{font-size:20px;line-height:1}
.navbar button.active{color:var(--accent-2)}
.nav-scan{position:relative}
.nav-scan .ni{width:46px;height:46px;border-radius:16px;margin-top:-14px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--faint);
  display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 8px 20px rgba(0,0,0,.24)}
.navbar button.active .ni{color:var(--accent-2)}

/* ---------- Modal / sheet ---------- */
.sheet-wrap{position:absolute;inset:0;z-index:200;display:none}
.sheet-wrap.open{display:block}
.sheet-backdrop{position:absolute;inset:0;background:rgba(2,10,13,.62);animation:fade .2s ease}
.sheet{position:absolute;left:0;right:0;bottom:0;background:var(--bg);border-top-left-radius:22px;border-top-right-radius:22px;
  border-top:1px solid var(--line);max-height:92%;overflow-y:auto;
  padding:8px 18px calc(22px + env(safe-area-inset-bottom));animation:slideup .28s cubic-bezier(.2,.8,.2,1)}
@keyframes slideup{from{transform:translateY(100%)}to{transform:none}}
.sheet .grab{width:40px;height:4px;border-radius:99px;background:var(--line);margin:8px auto 6px}
.sheet h3{font-size:19px;margin:8px 2px 2px;font-weight:800}
.sheet .sub{color:var(--muted);font-size:13px;margin:0 2px 8px}

/* Scanner */
.scanview{position:relative;background:#020c0f;border-radius:18px;overflow:hidden;aspect-ratio:3/4;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.scanview video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scan-reticle{position:absolute;inset:12% 10%;border:2px solid var(--accent-2);border-radius:14px;
  box-shadow:0 0 0 9999px rgba(2,10,13,.35);pointer-events:none}
.scan-line{position:absolute;left:10%;right:10%;height:2px;background:var(--accent-2);box-shadow:0 0 14px var(--accent-2);
  animation:scanmove 2.2s ease-in-out infinite}
@keyframes scanmove{0%,100%{top:14%}50%{top:84%}}
.scan-hint{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#cfeae6;font-size:12.5px;z-index:2;text-shadow:0 1px 4px #000}
.scan-fallback{text-align:center;padding:24px;color:var(--muted);z-index:2}
.scan-fallback .big{font-size:40px;margin-bottom:10px}
.receipt-photo{position:absolute;inset:18px;display:flex;align-items:center;justify-content:center;z-index:1;transform:rotate(-1.5deg)}
.receipt-paper{width:min(82%,230px);background:#f7f1df;color:#183033;border-radius:8px;padding:16px 14px 18px;
  box-shadow:0 18px 35px rgba(0,0,0,.42), inset 0 0 0 1px rgba(24,48,51,.08);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;position:relative}
.receipt-paper::before,.receipt-paper::after{content:"";position:absolute;left:0;right:0;height:10px;
  background:linear-gradient(135deg,transparent 7px,#f7f1df 0) 0 0/14px 10px repeat-x}
.receipt-paper::before{top:-9px}.receipt-paper::after{bottom:-9px;transform:rotate(180deg)}
.receipt-top{text-align:center;font-weight:900;letter-spacing:.08em;font-size:15px}
.receipt-meta{text-align:center;font-size:9px;color:#64706a;margin-top:4px}
.receipt-rule{height:1px;background:repeating-linear-gradient(90deg,#8b958e 0 5px,transparent 5px 9px);margin:11px 0}
.receipt-line,.receipt-total{display:flex;justify-content:space-between;gap:10px;font-size:10.5px;line-height:1.65}
.receipt-line span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.receipt-total{font-size:13px;font-weight:900;margin-top:3px}
.receipt-barcode{height:28px;margin:12px auto 0;width:82%;
  background:repeating-linear-gradient(90deg,#1f2f31 0 2px,transparent 2px 4px,#1f2f31 4px 5px,transparent 5px 8px);opacity:.75}
.scanview.is-scanning .receipt-photo{animation:receiptPulse 1.1s ease-in-out infinite}
.scanview.is-scanning .scan-line{animation:scanmove .85s ease-in-out infinite}
@keyframes receiptPulse{50%{filter:brightness(1.12);transform:rotate(-1.5deg) scale(1.015)}}

.lineitem{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line-soft)}
.lineitem:last-child{border-bottom:none}
.lineitem .nm{flex:1;font-size:14px}
.lineitem .pr{font-weight:700;font-variant-numeric:tabular-nums}
.who-chips{display:flex;gap:6px}
.who-chips .wc{width:30px;height:30px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted)}
.who-chips .wc.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

/* Pay link card */
.paylink{background:linear-gradient(150deg,#10333d,#0c2630);border:1px solid var(--line);border-radius:16px;padding:16px;margin-top:12px}
.paylink .url{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;color:var(--accent-2);
  background:var(--ink);border:1px dashed var(--line);border-radius:10px;padding:11px 12px;display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:10px}

/* Mula card (virtual) */
.mulacard{background:linear-gradient(135deg,#0c4a44,#0a1c23 70%);border:1px solid #1c5145;border-radius:18px;
  padding:18px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.mulacard::after{content:"";position:absolute;right:-30px;bottom:-30px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,234,212,.2),transparent 70%)}
.mulacard .brand{font-weight:800;letter-spacing:.5px}
.mulacard .num{font-family:ui-monospace,monospace;letter-spacing:1.2px;font-size:14px;margin-top:26px;white-space:nowrap}
.mulacard .ftr{display:flex;justify-content:space-between;margin-top:14px;font-size:12px;color:#bfeae3}

.seam{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;color:var(--warn);
  background:#2a230c;border:1px solid #4d3f10;border-radius:999px;padding:3px 9px;margin-left:6px}
.sync-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:800;border-radius:999px;padding:4px 9px;margin-top:2px}
.sync-badge.on{color:var(--accent-2);background:#0c2a2f;border:1px solid #1c5145}
.sync-badge.off{color:var(--muted);background:var(--surface-2);border:1px solid var(--line)}
.person-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.person-chip{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;color:var(--accent-2);background:#0c2a2f;border:1px solid #1c5145}

.empty{text-align:center;color:var(--muted);padding:34px 16px}
.empty .big{font-size:38px;margin-bottom:8px}

/* Toast */
#toast-host{position:absolute;left:0;right:0;bottom:84px;z-index:400;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;padding:0 18px}
.toast{background:#0c2a2f;border:1px solid #1c5145;color:var(--text);border-radius:12px;padding:11px 16px;font-size:14px;
  box-shadow:var(--shadow);animation:toastin .25s ease;max-width:100%}
.toast.err{background:#2a1116;border-color:#5c2230;color:#ffd7dd}
@keyframes toastin{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}

.summary-row{display:flex;justify-content:space-between;padding:7px 0;font-size:14px}
.summary-row.total{border-top:1px solid var(--line);margin-top:6px;padding-top:11px;font-weight:800;font-size:16px}

.bigamount{text-align:center;font-size:42px;font-weight:800;margin:8px 0;letter-spacing:-.02em}

.progress{height:9px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:14px}
.progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.reward-hero .amt{font-size:34px}
.reward-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:10px;box-shadow:var(--shadow)}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}
.points.mini{margin-top:0;font-size:11px;padding:5px 9px}

/* settings list */
.setrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 4px;border-bottom:1px solid var(--line-soft)}
.setrow:last-child{border-bottom:none}
.setrow .lab{font-size:15px}
.setrow .desc{font-size:12px;color:var(--muted)}
.switch{width:46px;height:27px;border-radius:99px;background:var(--surface-2);border:1px solid var(--line);position:relative;cursor:pointer;flex:0 0 auto;transition:background .2s}
.switch.on{background:var(--accent)}
.switch .knob{position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;background:#fff;transition:left .2s}
.switch.on .knob{left:21px}

/* ============================================================
   Desktop showcase: four phones
   ============================================================ */
@media (min-width:980px){
  body{padding:24px 20px 40px}
  #stage{max-width:1320px;margin:0 auto}
  .showcase-head{display:block;text-align:center;margin-bottom:22px}
  .showcase-head .logo{display:inline-flex;align-items:center;gap:12px;justify-content:center}
  .showcase-head .mk{width:44px;height:44px;border-radius:13px;background:linear-gradient(140deg,var(--accent),var(--accent-2));
    color:var(--accent-ink);font-weight:800;font-size:24px;display:flex;align-items:center;justify-content:center}
  .showcase-head h1{font-size:28px;margin:12px 0 6px;font-weight:800;letter-spacing:-.02em}
  .showcase-head p{color:var(--muted);max-width:620px;margin:0 auto;font-size:15px}
  .showcase-head .tag{display:inline-block;margin-top:14px;color:var(--accent-2);font-size:13px;font-weight:700;
    background:#0c2a2f;border:1px solid #1c5145;padding:6px 14px;border-radius:999px}
  #phones{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start}
  .device{position:relative;background:#020c0f;border:10px solid #05161c;border-radius:42px;
    padding:10px;box-shadow:0 30px 60px rgba(0,0,0,.5);overflow:hidden}
  .device::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
    width:90px;height:22px;background:#020c0f;border-radius:0 0 14px 14px;z-index:300}
  .device .caption{position:absolute;bottom:-26px;left:0;right:0;text-align:center;color:var(--faint);font-size:12px;font-weight:600}
  .device .phone{border-radius:32px;height:560px;min-height:560px;max-width:none}
  .device .phone__screen{padding-top:26px}
  .device .scroll{padding-bottom:96px}
  .device .tab-card .th{display:block}
  .device .tab-card .tt{font-size:15px;max-width:100%}
  .device .tab-card .pill{display:inline-flex;margin-top:7px}
  .device .btn-row{gap:8px}
  .device .btn-row .btn{font-size:13px;padding:12px 8px;white-space:nowrap}
  .device .mulacard{padding:16px 18px 14px}
  .device .mulacard .num{margin-top:18px}
  .device .mulacard .ftr{display:none}
  .device .quick{gap:6px}
  .device .quick button{font-size:10px;padding:11px 2px}
  .device .quick .qi{width:32px;height:32px}
  .device .screen[data-screen="home"] h2.section,
  .device .screen[data-screen="home"] .tab-card,
  .device .screen[data-screen="home"] .card:not(:first-child),
  .device .screen[data-screen="home"] [data-testid="button-invite"]{display:none}
  .device .screen[data-screen="tabs"] .tab-card:nth-of-type(n+3),
  .device .screen[data-screen="tabs"] [data-testid="button-newtab"]{display:none}
  .device .screen[data-screen="money"] h2.section:nth-of-type(n+2),
  .device .screen[data-screen="money"] .card{display:none}
  .device .screen[data-screen="rewards"] .card,
  .device .screen[data-screen="rewards"] .reward-card:nth-of-type(n+2),
  .device .screen[data-screen="rewards"] h2.section:nth-of-type(n+2){display:none}
  .device .sheet{max-height:62%;padding:7px 16px 18px}
  .device .sheet h3{font-size:17px;margin-top:6px}
  .device .sheet .sub{font-size:12px}
  .device .scanview{aspect-ratio:1/1;max-height:250px}
  .device .sheet-backdrop{background:rgba(2,10,13,.38)}
}
@media (min-width:980px) and (max-width:1240px){
  #phones{grid-template-columns:repeat(2,1fr);gap:30px 22px}
  .device{margin-bottom:42px}
}