:root{
  --blue:#1447e6;
  --blue-dark:#0d2f9e;
  --blue-light:#3b6bff;
  --bg:#f7f3f1;
  --card-bg:#ffffff;
  --text:#161616;
  --text-dim:#8a8a8a;
  --green:#1fbf6a;
  --red:#e14b4b;
  --radius:22px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:#e9e9ec;
  color:var(--text);
  display:flex;
  align-items:flex-start;
  justify-content:center;
  min-height:100vh;
}
.hidden{display:none !important;}

/* ---------- LOCK SCREEN ---------- */
.lock-screen{
  position:fixed;inset:0;
  background:linear-gradient(160deg,var(--blue) 0%,var(--blue-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  z-index:100;
}
.lock-inner{
  width:100%;max-width:360px;
  padding:40px 30px;
  text-align:center;
  color:#fff;
}
.lock-logo{font-size:40px;margin-bottom:10px;}
.lock-inner h2{font-size:22px;font-weight:700;margin-bottom:6px;}
.lock-sub{font-size:13px;opacity:.75;margin-bottom:28px;}
.lock-error{color:#ffb4b4;font-size:13px;min-height:18px;margin-bottom:6px;}
.pin-dots{display:flex;gap:16px;justify-content:center;margin-bottom:30px;}
.pin-dots span{
  width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.6);
  transition:background .15s, transform .15s;
}
.pin-dots span.filled{background:#fff;transform:scale(1.1);}
.keypad{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:14px;max-width:280px;margin:0 auto;
}
.keypad button{
  aspect-ratio:1;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:22px;font-weight:600;
  cursor:pointer;
}
.keypad button:active{background:rgba(255,255,255,.25);}
.keypad button.empty{background:transparent;border:none;cursor:default;}

/* ---------- APP SHELL ---------- */
.app{
  width:100%;
  max-width:430px;
  min-height:100vh;
  background:var(--bg);
  display:flex;flex-direction:column;
  position:relative;
  box-shadow:0 0 40px rgba(0,0,0,.15);
}
.phone{flex:1;overflow-y:auto;padding-bottom:90px;}
.screen{padding:18px 18px 10px;}

/* ---------- TOPBAR ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 2px 18px;
}
.icon-btn{
  background:#fff;border:none;border-radius:14px;
  width:42px;height:42px;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 6px rgba(0,0,0,.06);
  cursor:pointer;
}
.greet{display:flex;align-items:center;gap:10px;}
.avatar{
  width:34px;height:34px;border-radius:50%;
  background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.greet-text{display:flex;flex-direction:column;text-align:left;}
.greet-small{font-size:11px;color:var(--text-dim);}
.greet-big{font-size:16px;font-weight:700;}

/* ---------- BALANCE CARD ---------- */
.balance-card{
  background:linear-gradient(155deg,var(--blue) 0%,var(--blue-dark) 100%);
  border-radius:var(--radius);
  padding:22px 22px 26px;
  color:#fff;
  margin-bottom:20px;
  box-shadow:0 10px 24px rgba(20,71,230,.28);
}
.balance-label{font-size:13px;opacity:.75;display:block;margin-bottom:8px;}
.balance-amount{
  font-size:clamp(26px,7vw,34px);
  font-weight:800;
  letter-spacing:-.5px;
  word-break:break-all;
  margin-bottom:10px;
}
.balance-change{font-size:12.5px;opacity:.85;}

/* ---------- ACTIONS ---------- */
.actions-row{
  display:flex;justify-content:space-between;
  margin-bottom:20px;
}
.action-item{display:flex;flex-direction:column;align-items:center;gap:6px;}
.action-circle{
  width:52px;height:52px;border-radius:50%;
  background:var(--blue);border:none;color:#fff;
  font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(20,71,230,.25);
}
.action-item span{font-size:12px;color:var(--text-dim);}

/* ---------- STAT CARDS ---------- */
.stat-row{display:flex;gap:14px;margin-bottom:24px;}
.stat-card{
  flex:1;background:var(--card-bg);
  border-radius:18px;padding:16px;
  display:flex;flex-direction:column;gap:2px;
  border:1px solid #eee;
}
.stat-icon{font-size:16px;margin-bottom:6px;}
.stat-label{font-weight:700;font-size:14px;}
.stat-sub{font-size:11px;color:var(--text-dim);margin-bottom:6px;}
.stat-value{font-size:19px;font-weight:800;}

/* ---------- TX LIST ---------- */
.tx-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:12px;
}
.tx-header span:first-child{font-weight:700;font-size:15px;}
.see-all{font-size:12.5px;color:var(--blue);cursor:pointer;}
.tx-list{display:flex;flex-direction:column;gap:14px;}
.tx-row{display:flex;align-items:center;gap:12px;}
.tx-icon{
  width:40px;height:40px;border-radius:12px;
  background:#f1eeec;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;flex-shrink:0;
}
.tx-info{flex:1;display:flex;flex-direction:column;}
.tx-title{font-size:14px;font-weight:600;}
.tx-sub{font-size:11.5px;color:var(--text-dim);}
.tx-amount{font-size:14px;font-weight:700;white-space:nowrap;}
.tx-amount.pos{color:var(--green);}
.tx-amount.neg{color:var(--red);}
.tx-list .tx-row{cursor:pointer;}

/* ---------- SUB SCREENS ---------- */
.sub-topbar{padding:8px 2px 20px;font-weight:800;font-size:20px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;
  gap:10px;padding:60px 0;color:var(--text-dim);
}
.empty-icon{font-size:34px;}

/* ---------- SETTINGS ---------- */
.settings-form{display:flex;flex-direction:column;gap:4px;}
.settings-form label{
  font-size:12.5px;color:var(--text-dim);
  margin-top:12px;margin-bottom:5px;font-weight:600;
}
.settings-form input{
  border:1px solid #ddd;border-radius:12px;
  padding:11px 13px;font-size:14px;background:#fff;
  color:var(--text);
}
.settings-form input:focus{outline:2px solid var(--blue);border-color:transparent;}
.save-btn{
  margin-top:20px;background:var(--blue);color:#fff;border:none;
  border-radius:14px;padding:13px;font-size:15px;font-weight:700;
  cursor:pointer;
}
.save-btn.secondary{background:#efefef;color:var(--text);}
.danger-btn{
  background:#fdeaea;color:var(--red);border:none;
  border-radius:14px;padding:12px;font-size:14px;font-weight:700;
  cursor:pointer;width:100%;
}
.reset-section{margin-top:26px;margin-bottom:20px;}
.pin-section{margin-top:8px;}

.tx-editor{margin-top:26px;border-top:1px solid #e6e2df;padding-top:16px;}
.tx-editor-head{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:12px;font-weight:700;font-size:15px;
}
.add-tx-btn{
  background:var(--blue);color:#fff;border:none;border-radius:10px;
  padding:6px 12px;font-size:12.5px;font-weight:700;cursor:pointer;
}
.tx-edit-row{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid #eee;border-radius:14px;
  padding:10px 12px;margin-bottom:8px;cursor:pointer;
}

/* ---------- BOTTOM NAV ---------- */
.bottom-nav{
  position:absolute;bottom:0;left:0;right:0;
  display:flex;justify-content:space-around;
  background:#fff;border-top:1px solid #eee;
  padding:10px 6px calc(10px + env(safe-area-inset-bottom));
}
.nav-item{
  background:none;border:none;display:flex;flex-direction:column;
  align-items:center;gap:4px;font-size:11px;color:var(--text-dim);
  cursor:pointer;flex:1;
}
.nav-icon{font-size:19px;}
.nav-item.active{color:var(--blue);font-weight:700;}

/* ---------- MODAL ---------- */
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.45);
  display:flex;align-items:flex-end;justify-content:center;
  z-index:200;
}
.modal-card{
  background:#fff;width:100%;max-width:430px;
  border-radius:22px 22px 0 0;padding:22px 20px calc(24px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:4px;
}
.modal-card h3{margin-bottom:10px;font-size:17px;}
.modal-card label{font-size:12px;color:var(--text-dim);margin-top:10px;margin-bottom:5px;font-weight:600;}
.modal-card input{
  border:1px solid #ddd;border-radius:12px;padding:11px 13px;font-size:14px;
}
.modal-actions{display:flex;gap:10px;margin-top:18px;}
.modal-actions button{flex:1;margin-top:0;}

@media (min-width:431px){
  body{padding:30px 0;}
  .app{min-height:auto;border-radius:34px;overflow:hidden;}
  .lock-screen{border-radius:0;}
}