/* ===== TOKENS ===== */
:root {
  --bg:       #060b10;
  --surface:  #0d131e;
  --surface2: #111822;
  --ink:      #e8edf5;
  --muted:    #7a8a9a;
  --dim:      #3d4a5a;
  --accent:   #00e6a0;
  --accent2:  #3ad1ff;
  --warn:     #f0a030;
  --danger:   #f06060;
  --border:   rgba(255,255,255,.07);
  --border2:  rgba(255,255,255,.05);
  --glow:     rgba(0,230,160,.28);
  --glow2:    rgba(58,209,255,.20);
}

/* ===== RESET & BASE ===== */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{
  font-family:"SF Pro Display","PingFang SC","Microsoft Yahei",-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

/* ===== GRAIN OVERLAY ===== */
body::before{
  content:'';
  position:fixed;inset:0;z-index:1;pointer-events:none;
  opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== APP SHELL ===== */
#app{
  position:relative;z-index:5;
  max-width:480px;margin:0 auto;min-height:100vh;
  background:
    radial-gradient(680px 360px at 50% -100px,rgba(0,230,160,.07) 0%,transparent 65%),
    radial-gradient(400px 500px at 85% 60%,rgba(58,209,255,.03) 0%,transparent 60%),
    var(--bg);
  padding-bottom:70px;
}

/* ===== BOOT SCREEN ===== */
#boot{
  position:fixed;inset:0;z-index:99;
  background:radial-gradient(ellipse 80% 50% at 50% 45%,#0d1a18 0%,#060b10 100%);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:40px 34px;max-width:480px;margin:0 auto;
}
.logo{
  width:88px;height:88px;border-radius:22px;
  background:linear-gradient(135deg,#00e6a0,#00c28a 40%,#009a6e);
  display:flex;align-items:center;justify-content:center;
  font-size:40px;font-weight:800;color:#03281c;
  box-shadow:0 0 48px var(--glow),0 0 90px rgba(0,230,160,.15);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 48px var(--glow),0 0 90px rgba(0,230,160,.15)}
  50%{box-shadow:0 0 78px rgba(0,230,160,.55),0 0 130px rgba(0,230,160,.22)}
}
#boot h1{
  font-size:22px;margin:22px 0 6px;letter-spacing:.04em;font-weight:700;color:var(--ink);
}
#boot .sub{
  font-size:12px;color:var(--muted);margin-bottom:0;letter-spacing:.04em;
}
#boot .sub + .sub{margin-bottom:48px;margin-top:2px;font-size:11px;color:var(--dim);}
/* ---- 圆形进度环 ---- */
.boot-ring{
  width:130px;height:130px;position:relative;margin:0 auto;
  display:flex;align-items:center;justify-content:center;
}
.boot-ring svg{
  width:100%;height:100%;position:absolute;inset:0;
}
.boot-num{
  position:relative;z-index:1;text-align:center;line-height:1;
  font-family:"SF Mono","JetBrains Mono","Cascadia Code",monospace;
}
.boot-num b{font-size:38px;font-weight:700;color:#fff;display:block;line-height:1;}
.boot-num span{font-size:14px;color:var(--accent);display:block;margin-top:1px;}
.boot-status{
  margin-top:32px;text-align:center;width:100%;
  font-size:12px;color:var(--muted);letter-spacing:.04em;
}
.ing::after{content:"";animation:dots 1.4s steps(4,end) infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}

/* ===== HEADER ===== */
header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;
}
.brand{
  display:flex;align-items:center;gap:8px;font-weight:700;font-size:12px;letter-spacing:.02em;
}
.brand span{
  width:28px;height:28px;border-radius:7px;
  background:linear-gradient(135deg,var(--accent),#00c28a);
  display:flex;align-items:center;justify-content:center;
  color:#03281c;font-size:15px;font-weight:800;
}
.uid{
  font-size:9px;color:var(--muted);
  background:rgba(255,255,255,.04);
  padding:5px 10px;border-radius:20px;border:1px solid var(--border2);
  letter-spacing:.02em;
}
.uid b{font-family:"SF Mono","JetBrains Mono",monospace;font-weight:500;color:var(--ink);}
.demo{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--warn);border:1px solid rgba(240,160,48,.35);
  padding:2px 10px;border-radius:20px;
  background:rgba(240,160,48,.06);
  font-weight:500;
}
/* ---- Language Switch ---- */
.lang{
  display:inline-flex;align-items:center;gap:0;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border2);
  border-radius:14px;overflow:hidden;
  font-size:10px;font-weight:600;letter-spacing:.03em;
}
.lang a{
  padding:4px 9px;color:var(--muted);text-decoration:none;
  transition:all .2s;line-height:1.4;
}
.lang a.act{background:var(--accent);color:#03281c;}
.boot-lang{position:absolute;top:16px;right:16px;}

/* ===== CARDS ===== */
.card{
  margin:10px 16px;
  background:linear-gradient(165deg,var(--surface),var(--surface2));
  border:1px solid var(--border);
  border-radius:16px;padding:18px;
  position:relative;
}
.balance-card{
  background:linear-gradient(145deg,#0b1f1a,#0e1720 55%);
  border-color:rgba(0,230,160,.14);
  overflow:hidden;
}
.balance-card::after{
  content:"USDT";position:absolute;right:-8px;bottom:-16px;
  font-size:68px;font-weight:800;letter-spacing:-.03em;
  color:rgba(0,230,160,.04);
  font-family:"SF Pro Display",sans-serif;
}
.lbl{font-size:11.5px;color:var(--muted);letter-spacing:.03em;}
.big{
  font-size:36px;font-weight:700;letter-spacing:-.02em;
  font-family:"SF Mono","JetBrains Mono","DIN Alternate",monospace;
  margin:6px 0 2px;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.big small{font-size:14px;color:var(--accent);margin-left:6px;font-weight:500;letter-spacing:0;}
.chain{
  font-size:11px;color:var(--accent);
  background:rgba(0,230,160,.08);
  display:inline-block;padding:3px 9px;border-radius:6px;
  border:1px solid rgba(0,230,160,.12);
  letter-spacing:.02em;
}
.row2{
  display:flex;margin-top:16px;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:14px;gap:4px;
}
.row2 div{flex:1}
.row2 b{
  display:block;font-size:17px;margin-top:3px;
  font-family:"SF Mono","JetBrains Mono",monospace;
  font-variant-numeric:tabular-nums;
}

/* ===== RIG ===== */
.rig{display:flex;align-items:center;gap:18px;}
.ring{
  width:100px;height:100px;flex:0 0 100px;border-radius:50%;position:relative;
  background:conic-gradient(var(--accent) var(--p,0%),rgba(255,255,255,.06) 0);
  transition:background .4s ease;
}
.ring::before{
  content:"";position:absolute;inset:6px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,#192433,#0d131e);
}
.ring i{
  position:absolute;inset:0;z-index:1;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  font-style:normal;line-height:1;
}
.ring i b{
  font-size:18px;
  font-family:"SF Mono","JetBrains Mono",monospace;
  color:var(--accent);font-weight:600;line-height:1;
}
.ring i s{
  font-size:9px;color:var(--muted);
  text-decoration:none;letter-spacing:.06em;line-height:1;
  margin-top:2px;
}
.rig .info{flex:1;font-size:12.5px;color:#8899aa;line-height:2.1;}
.rig .info span{float:right;color:var(--ink);font-family:"SF Mono","JetBrains Mono",monospace;font-size:12px;}
.dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--dim);margin-right:6px;transition:all .3s;
}
.on .dot{background:var(--accent);box-shadow:0 0 10px var(--glow);animation:bl 1.2s infinite}
@keyframes bl{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== BUTTONS ===== */
.btn{
  display:block;width:100%;border:0;border-radius:13px;padding:15px;
  font-size:15px;font-weight:600;letter-spacing:.03em;
  color:#03281c;
  background:linear-gradient(135deg,var(--accent),#00c994 50%,var(--accent2));
  margin-top:4px;cursor:pointer;
  box-shadow:0 4px 18px var(--glow);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
  font-family:inherit;
}
.btn.stop{
  background:linear-gradient(135deg,var(--danger),#ff7b42);
  color:#1a0808;
  box-shadow:0 4px 18px rgba(240,96,96,.25);
}
.btn.ghost{
  background:transparent;border:1px solid var(--border);
  color:var(--ink);box-shadow:none;
}

/* ===== STATS GRID ===== */
.grid{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 16px;
}
.grid div{
  background:linear-gradient(160deg,var(--surface),var(--surface2));
  border:1px solid var(--border);border-radius:13px;padding:13px 14px;
  transition:border-color .2s;
}
.grid b{
  display:block;font-family:"SF Mono","JetBrains Mono",monospace;
  font-size:15px;margin-top:4px;color:var(--accent2);font-weight:500;
  font-variant-numeric:tabular-nums;
}

/* ===== SECTION TITLES ===== */
.title{
  margin:22px 16px 8px;font-size:13.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;
  letter-spacing:.03em;
}
.title em{font-style:normal;font-size:10.5px;color:var(--muted);letter-spacing:.04em;font-weight:400;}

/* ===== RECORDS LIST ===== */
.list{
  margin:0 16px;
  background:linear-gradient(165deg,var(--surface),var(--surface2));
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
}
.li{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.04);
  font-size:12.5px;transition:background .15s;
}
.li:last-child{border:0}
.li .t{color:var(--muted);font-size:10.5px;margin-top:3px;}
.li .amt{color:var(--accent);font-family:"SF Mono","JetBrains Mono",monospace;font-size:13px;font-weight:500;}
.li .amt.out{color:var(--warn);}

/* ===== FEED ===== */
#feed{
  margin:0 16px;height:126px;overflow:hidden;
  background:rgba(0,0,0,.25);
  border:1px solid var(--border2);
  border-radius:14px;padding:10px 12px;
  font-family:"SF Mono","JetBrains Mono",monospace;
  font-size:10.5px;color:var(--dim);line-height:2;
}
#feed .g{color:var(--accent);font-weight:500;}

/* ===== NAV ===== */
nav{
  position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;
  background:rgba(8,12,18,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  display:flex;padding:7px 0 11px;z-index:30;
}
nav span{
  flex:1;text-align:center;font-size:10px;color:var(--muted);
  letter-spacing:.03em;cursor:pointer;
  transition:color .2s;
  -webkit-tap-highlight-color:transparent;
  user-select:none;-webkit-user-select:none;
}
nav span b{display:block;font-size:18px;font-weight:400;margin-bottom:1px;pointer-events:none;}
nav span.act{color:var(--accent);}

/* ===== MASK / SHEET ===== */
.mask{
  position:fixed;inset:0;
  background:rgba(0,0,0,.72);
  backdrop-filter:blur(3px);
  -webkit-backdrop-filter:blur(3px);
  z-index:50;display:none;align-items:flex-end;justify-content:center;
}
.mask.show{display:flex}
.sheet{
  width:100%;max-width:480px;
  background:linear-gradient(180deg,#161e2c,#111822);
  border-radius:20px 20px 0 0;
  padding:22px 18px 30px;
  animation:up .3s cubic-bezier(.16,1,.3,1);
  border-top:1px solid var(--border);
}
@keyframes up{from{transform:translateY(100%)}}
.sheet h3{font-size:17px;margin-bottom:4px;font-weight:700;letter-spacing:.02em;}
.sheet p.tip{font-size:11.5px;color:var(--muted);margin-bottom:18px;letter-spacing:.02em;}
.fld{margin-bottom:14px}
.fld label{font-size:11.5px;color:var(--muted);display:block;margin-bottom:6px;letter-spacing:.03em;}
.fld input{
  width:100%;background:rgba(0,0,0,.25);border:1px solid var(--border);
  border-radius:10px;padding:13px;color:var(--ink);font-size:13px;
  font-family:"SF Mono","JetBrains Mono",monospace;
  transition:border-color .2s,box-shadow .2s;
}
.fld input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,230,160,.08);}
.net{display:flex;gap:8px;margin-bottom:14px}
.net span{
  flex:1;text-align:center;padding:9px;border-radius:10px;font-size:11.5px;
  border:1px solid var(--border);color:var(--muted);
  transition:all .2s;cursor:pointer;letter-spacing:.02em;
}
.net span.on{
  border-color:var(--accent);color:var(--accent);
  background:rgba(0,230,160,.06);
  box-shadow:0 0 12px rgba(0,230,160,.06);
}
.fee{
  background:rgba(0,0,0,.2);border-radius:10px;
  padding:12px 14px;font-size:12px;color:var(--muted);margin-bottom:16px;
  border:1px solid var(--border2);
}
.fee div{display:flex;justify-content:space-between;padding:3px 0}
.fee b{color:var(--ink);font-family:"SF Mono","JetBrains Mono",monospace;font-weight:500;}

/* ===== TOAST ===== */
.toast{
  position:fixed;top:40%;left:50%;transform:translateX(-50%);
  background:rgba(14,20,30,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--border);
  color:var(--ink);padding:13px 22px;border-radius:12px;
  font-size:13px;z-index:99;display:none;max-width:84%;text-align:center;
  letter-spacing:.02em;
  box-shadow:0 8px 32px rgba(0,0,0,.5);
}

/* ===== FOOTER ===== */
.foot{
  text-align:center;font-size:10px;color:var(--dim);
  padding:22px 30px 10px;line-height:1.8;letter-spacing:.02em;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

.tg-btn{position:fixed;right:16px;bottom:100px;z-index:40;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2AABEE,#229ED9);border:none;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(42,171,238,.35);transition:transform .2s,box-shadow .2s}.tg-btn.show{display:flex}.tg-btn svg{width:22px;height:22px;fill:#fff}
/* All controls are visual only. */
button, a, nav span { cursor: default; pointer-events: none; }
button:disabled { opacity: 1; -webkit-text-fill-color: currentColor; }
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  #app { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  nav { padding-bottom: calc(11px + env(safe-area-inset-bottom)); }
  .tg-btn { bottom: calc(100px + env(safe-area-inset-bottom)); }
}
/* Keep the original header intact on particularly narrow phones. */
@media (max-width: 359px) {
  header { gap: 8px; flex-wrap: wrap; }
  .brand { flex: 1 0 calc(100% - 80px); }
  .uid { margin-left: auto; }
  .rig { gap: 12px; }
  .ring { width: 84px; height: 84px; flex-basis: 84px; }
  .rig .info { font-size: 11px; }
  .rig .info span { font-size: 10px; }
  .big { font-size: 32px; }
}