/* ============ wapu tutorial — design system ============ */
:root{
  --w: 384px;          /* screen width  */
  --h: 768px;          /* screen height */
  --radius-screen: 46px;

  --bg: #000000;
  --surface: #161619;
  --surface-2: #1e1e22;
  --surface-3: #28282d;
  --line: #2a2a2f;

  --txt: #f4f4f6;
  --muted: #8b8b93;
  --muted-2: #6a6a72;

  --pink: #e5287a;
  --pink-2: #ff3d8f;
  --pink-soft: #f06aa3;
  --indigo: #3a39d6;
  --indigo-2: #6f5cf0;
  --green: #2bb17f;
  --red: #ff4d4d;

  --font-display: "Clash Display", "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; -webkit-font-smoothing:antialiased; }

html,body{ height:100%; }
body{
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(229,40,122,.16), transparent 55%),
    radial-gradient(100% 80% at 50% 120%, rgba(58,57,214,.12), transparent 60%),
    #08080b;
  font-family:var(--font-mono);
  color:var(--txt);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}

/* ---- stage : holds the app screen and pointer ---- */
#stage{
  position:relative;
  width:var(--w);
  display:flex; flex-direction:column; align-items:center;
  transform-origin:center center;
}

#device{
  position:relative;
  width:var(--w);
  height:var(--h);
  border-radius:var(--radius-screen);
  background:var(--bg);
  overflow:hidden;
  box-shadow:
    0 2px 0 rgba(255,255,255,.05) inset,
    0 40px 90px -30px rgba(0,0,0,.9),
    0 0 0 1px rgba(255,255,255,.04),
    0 0 70px -20px rgba(229,40,122,.35);
}

/* subtle screen edge highlight */
#device::after{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.06) inset;
}

/* ---- status bar ---- */
.statusbar{
  position:absolute; top:0; left:0; right:0; height:46px; z-index:40;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 30px 0;
  font-family:var(--font-mono); font-size:13px; font-weight:700; color:#fff;
  pointer-events:none;
}
.statusbar .sb-icons{ display:flex; align-items:center; gap:6px; }
.statusbar svg{ display:block; }

/* ---- screens stack ---- */
.screen{
  position:absolute; inset:0;
  background:var(--bg);
  padding:54px 22px 28px;
  display:flex; flex-direction:column;
  opacity:0; visibility:hidden;
  transform:translateX(0);
  will-change:transform,opacity;
}
.screen.active{ opacity:1; visibility:visible; z-index:10; }
/* transition variants set by JS */
.screen.from-right{ transform:translateX(100%); opacity:1; visibility:visible; }
.screen.to-left{ transform:translateX(-22%); opacity:0; }
.screen.anim{ transition:transform .46s cubic-bezier(.5,0,.2,1), opacity .42s ease; }
.screen.fade{ transition:opacity .4s ease; }

/* ---- nav header ---- */
.nav{ display:flex; align-items:center; height:34px; margin-bottom:14px; }
.nav .back{ width:26px; height:26px; color:#cfcfd4; display:grid; place-items:center; }
.nav .ntitle{ flex:1; text-align:center; font-family:var(--font-mono); font-size:13px;
  letter-spacing:.04em; color:#eaeaec; margin-right:26px; }
.nav .nclose{ width:26px; height:26px; color:#cfcfd4; display:grid; place-items:center; }

/* ---- typography ---- */
.h-lg{ font-family:var(--font-display); font-weight:700; font-size:30px; line-height:1.04;
  letter-spacing:-.01em; color:#fff; }
.h-md{ font-family:var(--font-display); font-weight:700; font-size:24px; line-height:1.06; color:#fff; }
.label{ font-family:var(--font-mono); font-size:12.5px; font-weight:700; color:#fff; letter-spacing:.01em; }
.hint{ font-family:var(--font-mono); font-size:11.5px; color:var(--muted); line-height:1.5; }

/* ---- cards / options ---- */
.card{ background:var(--surface); border-radius:16px; }
.opt{
  display:flex; align-items:center; gap:14px;
  background:var(--surface); border-radius:16px; padding:15px 16px;
  border:1.5px solid transparent;
}
.opt.sel{ border-color:var(--indigo-2); }
.opt .tile{ width:46px; height:46px; border-radius:13px; background:#000;
  display:grid; place-items:center; flex:none; color:#fff; }
.opt .tile.indigo{ background:linear-gradient(150deg,#4a45ff,#2a27b8); }
.opt .o-tt{ font-family:var(--font-display); font-weight:600; font-size:16px; color:#fff;
  display:flex; align-items:center; gap:7px; }
.opt .o-sub{ font-family:var(--font-mono); font-size:11px; color:var(--muted-2); margin-top:3px; }

/* ---- inputs ---- */
.field-label{ font-family:var(--font-mono); font-size:12.5px; font-weight:700; color:#fff; margin-bottom:10px; }
.input{
  height:52px; border-radius:28px; border:1.5px solid var(--pink);
  background:#0c0c0e; display:flex; align-items:center; gap:8px;
  padding:0 20px; font-family:var(--font-mono); font-size:15px; color:#fff;
}
.input.err{ border-color:var(--red); }
.input .ph{ color:var(--muted-2); }
.input .caret{ width:1.5px; height:20px; background:var(--pink-2); animation:blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }
.input .right{ margin-left:auto; display:flex; align-items:center; gap:10px; color:var(--muted); font-size:12.5px; }
.input .max{ background:#000; color:#fff; font-weight:700; border-radius:14px; padding:5px 12px; font-size:12px; }

/* ---- info box ---- */
.infobox{ background:var(--surface); border-radius:16px; padding:16px 16px; display:flex; flex-direction:column; gap:11px; }
.inforow{ display:flex; align-items:center; gap:10px; }
.inforow svg{ flex:none; color:var(--muted); }
.inforow span{ font-family:var(--font-mono); font-size:11.5px; font-weight:700; color:var(--muted); }
.inforow.warn span{ color:var(--red); }
.inforow.warn svg{ color:var(--red); }

/* ---- primary button ---- */
.btn{
  height:56px; border-radius:30px; background:var(--pink);
  display:grid; place-items:center; color:#fff;
  font-family:var(--font-display); font-weight:600; font-size:17px;
  box-shadow:0 14px 30px -12px rgba(229,40,122,.7);
}
.btn.disabled{ background:#3a2030; color:#9a6f82; box-shadow:none; }
.btn.ghost{ background:transparent; border:1.5px solid var(--pink); color:var(--pink-2); box-shadow:none; }

.spacer{ flex:1; }
.stack{ display:flex; flex-direction:column; }

/* ============ HOME ============ */
.home-card{
  position:relative; border-radius:22px; padding:18px 20px 22px; overflow:hidden;
  background:linear-gradient(118deg,#6a1840 0%, #3d2156 46%, #08214a 100%);
}
.home-card::before{ content:""; position:absolute; inset:0;
  background:radial-gradient(80% 120% at 12% 0%, rgba(229,40,122,.55), transparent 55%); }
.home-card > *{ position:relative; }
.hc-top{ display:flex; align-items:center; justify-content:space-between; }
.logo{ font-family:var(--font-display); font-weight:700; font-size:25px; letter-spacing:-.02em; color:#fff; }
.logo b{ color:var(--pink-2); font-weight:700; }
.avatar{ width:34px; height:34px; border-radius:50%; background:rgba(0,0,0,.35); display:grid; place-items:center; color:#fff; }
.hc-bal-lbl{ display:flex; align-items:center; gap:8px; margin-top:18px; font-family:var(--font-mono); font-size:11.5px; color:#e7d4dd; }
.hc-bal{ display:inline-flex; align-items:center; gap:10px; margin-top:9px; background:rgba(0,0,0,.32); border-radius:16px; padding:8px 12px; }
.hc-bal .amt{ font-family:var(--font-display); font-weight:700; font-size:22px; color:#fff; }
.hc-bal .cur{ font-family:var(--font-mono); font-size:11px; color:#dcdce0; background:rgba(0,0,0,.4); border-radius:10px; padding:4px 9px; display:flex; gap:5px; align-items:center; }

.actions{ display:flex; gap:10px; background:var(--surface); border-radius:18px; padding:16px 8px; margin-top:14px; }
.action{ flex:1; display:flex; flex-direction:column; align-items:center; gap:9px; }
.action .ic{ width:50px; height:50px; border-radius:50%; background:var(--pink); display:grid; place-items:center; color:#fff;
  box-shadow:0 10px 22px -10px rgba(229,40,122,.8); }
.action .nm{ font-family:var(--font-mono); font-size:11px; color:#dadade; }

.rate{ display:flex; align-items:center; justify-content:space-between; background:var(--surface); border-radius:18px; padding:18px 18px; margin-top:14px; }
.rate .rl{ font-family:var(--font-mono); font-size:12px; font-weight:700; color:#fff; }
.rate .rtoken{ display:flex; align-items:center; gap:8px; margin-top:9px; font-family:var(--font-mono); font-size:12px; color:#cfcfd4; }
.rate .tdot{ width:22px; height:22px; border-radius:50%; background:var(--green); color:#fff; display:grid; place-items:center; font-family:var(--font-display); font-weight:700; font-size:13px; }
.rate .rr{ text-align:right; }
.rate .price-row{ display:flex; align-items:center; gap:7px; justify-content:flex-end; font-family:var(--font-mono); font-size:12px; color:#fff; }
.rate .arg-flag{
  width:24px; height:16px; border-radius:4px; flex:none; position:relative; overflow:hidden;
  background:linear-gradient(to bottom,#74acdf 0 33.3%,#fff 33.3% 66.6%,#74acdf 66.6% 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.18) inset;
}
.rate .arg-flag::after{
  content:""; position:absolute; left:50%; top:50%; width:5px; height:5px; border-radius:50%;
  background:#f6b40e; transform:translate(-50%,-50%);
  box-shadow:0 0 0 1px rgba(246,180,14,.22);
}
.rate .buy{ font-family:var(--font-display); font-weight:700; font-size:17px; color:#fff; margin-top:8px; }

.home-status{
  margin-top:auto; margin-bottom:82px; display:flex; align-items:center; justify-content:space-between; gap:12px;
  border-radius:16px; padding:13px 15px;
  background:rgba(229,40,122,.09); border:1px solid rgba(229,40,122,.18);
}
.home-status span{ font-family:var(--font-mono); font-size:11px; color:var(--muted); }
.home-status strong{ font-family:var(--font-display); font-weight:600; font-size:13px; color:#fff; text-align:right; }

/* bottom nav */
.botnav{ position:absolute; left:0; right:0; bottom:0; height:78px; background:#0c0c0e; border-top:1px solid var(--line);
  display:flex; align-items:flex-start; justify-content:space-between; padding:14px 46px 0; z-index:20; }
.botnav .bi{ display:flex; flex-direction:column; align-items:center; gap:5px; font-family:var(--font-mono); font-size:10px; color:var(--muted-2); }
.botnav .bi.on{ color:var(--pink); }
.fab{ position:absolute; left:50%; bottom:42px; transform:translateX(-50%); width:60px; height:60px; border-radius:50%;
  background:var(--pink); display:grid; place-items:center; color:#fff; z-index:30;
  box-shadow:0 14px 30px -10px rgba(229,40,122,.8), 0 0 0 5px #08080b; }

/* ============ bottom sheet ============ */
.scrim{ position:absolute; inset:0; background:rgba(0,0,0,.6); opacity:0; visibility:hidden; transition:opacity .35s ease; z-index:25; }
.scrim.show{ opacity:1; visibility:visible; }
.sheet{ position:absolute; left:14px; right:14px; bottom:108px; z-index:26;
  background:#101012; border:1.5px solid var(--pink); border-radius:22px; padding:8px;
  transform:translateY(40px); opacity:0; visibility:hidden; transition:transform .4s cubic-bezier(.4,0,.2,1), opacity .35s ease; }
.sheet.show{ transform:translateY(0); opacity:1; visibility:visible; }
.sheet .srow{ display:flex; align-items:center; gap:14px; padding:15px 14px; }
.sheet .sic{ width:42px; height:42px; border-radius:50%; flex:none; display:grid; place-items:center; }
.sheet .stt{ font-family:var(--font-display); font-weight:600; font-size:16px; color:#fff; }
.sheet .ssub{ font-family:var(--font-mono); font-size:10.5px; color:var(--muted-2); margin-top:3px; }

/* ============ keypad ============ */
.keypad{ position:absolute; left:0; right:0; bottom:0; z-index:35; background:#0c0c0e; border-top:1px solid var(--line);
  padding:14px 14px calc(14px + env(safe-area-inset-bottom)); display:grid; grid-template-columns:repeat(3,1fr); gap:9px;
  transform:translateY(110%); transition:transform .4s cubic-bezier(.4,0,.2,1); }
.keypad.show{ transform:translateY(0); }
.key{ height:50px; border-radius:13px; background:var(--surface-2); display:grid; place-items:center;
  font-family:var(--font-mono); font-size:20px; font-weight:700; color:#fff; }
.key.act{ background:var(--surface-3); transform:scale(.94); }

/* ============ DONE / success ============ */
.center-col{ flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:22px; }
.badge{ width:74px; height:74px; border-radius:50%; background:var(--green); display:grid; place-items:center; color:#fff;
  box-shadow:0 0 0 0 rgba(43,177,127,.5); }
.badge.pulse{ animation:badgepulse 1.4s ease-out; }
@keyframes badgepulse{ 0%{ box-shadow:0 0 0 0 rgba(43,177,127,.5);} 100%{ box-shadow:0 0 0 26px rgba(43,177,127,0);} }

/* hourglass spinner */
.spin-wrap{ width:150px; height:150px; position:relative; display:grid; place-items:center; }
.spin-ring{ position:absolute; inset:0; }
.spin-ring svg{ width:100%; height:100%; animation:spin 2.4s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg);} }

/* ============ ticket (receive amount) ============ */
.ticket{ position:relative; border-radius:20px; padding:22px 22px 26px;
  background:#0d0d10;
  box-shadow:0 0 0 2px var(--pink), 0 0 34px -4px rgba(229,40,122,.7); }
.ticket .t-h{ text-align:center; font-family:var(--font-display); font-weight:600; font-size:16px; color:#fff; }
.ticket .t-amt{ text-align:center; font-family:var(--font-display); font-weight:700; font-size:26px; color:#fff; margin-top:6px; }
.ticket .t-div{ height:1px; background:var(--line); margin:18px 0; }
.trow{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; font-family:var(--font-mono); font-size:12px; }
.trow .tk{ color:var(--muted); }
.trow .tv{ color:#fff; text-align:right; max-width:55%; }
.trow.total .tk, .trow.total .tv{ font-weight:700; font-size:13px; color:#fff; }
.t-arrow{ display:grid; place-items:center; color:#dcdce0; margin:6px 0 14px; }
.t-to{ font-family:var(--font-mono); font-size:12px; color:#fff; margin-bottom:10px; }
.t-recip{ display:flex; align-items:center; gap:12px; }
.t-recip .gl{ width:42px; height:42px; border-radius:50%; background:var(--surface-2); display:grid; place-items:center; color:#cfcfd4; }
.t-recip .lines{ display:flex; flex-direction:column; gap:6px; }
.t-recip .ln{ height:9px; border-radius:5px; background:var(--surface-3); }
.t-foot{ text-align:center; font-family:var(--font-mono); font-size:10.5px; color:var(--muted-2); margin-top:16px; }

/* sent / completed receipt */
.status-pill{ display:inline-block; background:#80bf1e; color:#fff; font-family:var(--font-mono);
  font-weight:700; font-size:11.5px; padding:5px 13px; border-radius:9px; }
.recip-id{ display:flex; flex-direction:column; gap:3px; }
.recip-id .rn{ font-family:var(--font-display); font-weight:700; font-size:15px; color:#fff; }
.recip-id .rh{ font-family:var(--font-mono); font-size:12px; color:var(--muted); }
.tid{ display:inline-flex; align-items:center; gap:8px; }
.tid .copy{ color:var(--muted); display:inline-flex; }

/* tabs */
.tabs{ display:flex; border-bottom:1px solid var(--line); margin-top:6px; }
.tab{ flex:1; text-align:center; padding:12px 0; font-family:var(--font-mono); font-size:12px; color:var(--muted-2); position:relative; }
.tab.on{ color:#fff; font-weight:700; }
.tab.on::after{ content:""; position:absolute; left:18%; right:18%; bottom:-1px; height:2px; background:var(--pink); border-radius:2px; }
.recent-row{ display:flex; align-items:center; gap:12px; padding:16px 2px; }
.recent-row .rav{ width:40px; height:40px; border-radius:50%; background:var(--surface-2); display:grid; place-items:center; color:#cfcfd4; }
.recent-row .rln{ height:10px; width:120px; border-radius:5px; background:var(--surface-3); }
.recent-row .rright{ margin-left:auto; display:flex; align-items:center; gap:12px; }
.recent-row .chk{ width:20px; height:20px; border-radius:5px; background:var(--surface-3); display:grid; place-items:center; color:var(--pink); }

/* ============ POINTER (finger) ============ */
#pointer{ position:absolute; top:0; left:0; width:30px; height:30px; z-index:200; pointer-events:none;
  transform:translate(-100px,-100px); transition:transform .55s cubic-bezier(.45,0,.2,1); }
#pointer .dot{ position:absolute; inset:0; border-radius:50%; background:rgba(255,255,255,.92);
  box-shadow:0 4px 14px rgba(0,0,0,.5), 0 0 0 2px rgba(0,0,0,.18); transition:transform .12s ease; }
#pointer.press .dot{ transform:scale(.78); }
#pointer .ripple{ position:absolute; top:50%; left:50%; width:30px; height:30px; border-radius:50%;
  border:2px solid var(--pink-2); transform:translate(-50%,-50%) scale(.2); opacity:0; }
#pointer.tap .ripple{ animation:ripple .55s ease-out; }
@keyframes ripple{ 0%{ transform:translate(-50%,-50%) scale(.2); opacity:.9; } 100%{ transform:translate(-50%,-50%) scale(2.6); opacity:0; } }

/* ============ CAPTION ============ */
#caption{ display:none; }
#caption .cap{
  font-family:var(--font-mono); font-size:13.5px; letter-spacing:.01em; color:#fff;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.10);
  padding:9px 18px; border-radius:30px; backdrop-filter:blur(8px);
  opacity:0; transform:translateY(6px); transition:opacity .35s ease, transform .35s ease;
  white-space:nowrap;
}
#caption .cap.show{ opacity:1; transform:translateY(0); }
#caption .cap b{ color:var(--pink-2); font-weight:700; }

/* loop blackout overlay */
.fadeover{ position:absolute; inset:0; background:#000; z-index:100; opacity:0; pointer-events:none;
  transition:opacity .42s ease; }

/* loop progress dots */
#dots{ display:none; gap:7px; }
#dots .d{ width:6px; height:6px; border-radius:50%; background:rgba(255,255,255,.18); transition:all .3s ease; }
#dots .d.on{ background:var(--pink); width:18px; }