:root{
  --blue-dark:#004b73;
  --blue:#0072ac;
  --blue-card-top:#0077b6;
  --blue-card-bot:#00517c;
  --yellow:#f5a800;
  --green:#5cb82c;
  --text-dark:#0d2b3e;
  --grey:#6b7c85;
  --line:#e4e9ec;
  --bg:#f2f4f6;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text-dark);
}
button{font-family:inherit;cursor:pointer;}
a{text-decoration:none;color:inherit;}

/* ============ LOGIN ============ */
#login-screen{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:#fff;
  max-width:460px;
  margin:0 auto;
  padding:16px 24px calc(24px + env(safe-area-inset-bottom,0px));
}
.login-top{display:flex;justify-content:space-between;align-items:center;margin-top:10px;}
.lang-pill{
  display:flex;align-items:center;gap:6px;
  border:1px solid var(--line);border-radius:6px;padding:6px 10px;font-size:13px;font-weight:600;
}
.lang-flag{width:20px;height:14px;border-radius:2px;overflow:hidden;display:flex;}
.lang-flag div{flex:1;}
.chat-icon{width:26px;height:26px;color:var(--blue);}

.login-title{
  font-size:23px;font-weight:700;color:var(--blue);
  text-align:center;margin-top:70px;
}
.login-form{margin-top:60px;}
.field-row{
  display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--line);padding:10px 0;
}
.country-flag{width:26px;height:18px;border-radius:2px;overflow:hidden;display:flex;flex-shrink:0;}
.country-flag div{flex:1;}
.field-row input{
  border:none;outline:none;flex:1;font-size:15px;background:transparent;color:var(--text-dark);
}
.field-row .chevron{color:var(--grey);}
.pin-field{position:relative;margin-top:26px;}
.pin-field input{
  width:100%;border:none;border-bottom:1px solid var(--line);
  padding:10px 34px 10px 0;font-size:15px;outline:none;
}
.eye-toggle{
  position:absolute;right:0;top:8px;background:none;border:none;color:var(--grey);font-size:18px;
}
.forgot-link{
  display:block;text-align:right;color:var(--blue);font-size:13px;font-weight:600;margin-top:10px;
}
.login-spacer{flex:1;}
.btn-proceed{
  width:100%;background:var(--green);color:#fff;border:none;border-radius:6px;
  padding:15px;font-size:15px;font-weight:700;margin-top:20px;
}
.or-divider{
  display:flex;align-items:center;gap:12px;color:var(--grey);font-size:12.5px;margin:20px 0;
}
.or-divider::before,.or-divider::after{content:"";flex:1;height:1px;background:var(--line);}
.alt-login{display:flex;justify-content:space-between;}
.alt-login a{color:var(--blue);font-size:13.5px;font-weight:600;}
.login-error{
  display:none;color:#c0392b;font-size:13px;margin-top:8px;font-weight:600;
}

/* ============ APP SHELL ============ */
#app-shell{display:none;min-height:100vh;}
#app-shell.active{display:flex;}

.sidebar{
  display:none;
  width:230px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);
  flex-direction:column;padding:24px 0;
}
.sidebar-logo{
  font-size:20px;font-weight:800;color:var(--blue-dark);padding:0 24px 30px;
}
.sidebar-nav{flex:1;}
.side-link{
  display:flex;align-items:center;gap:12px;padding:13px 24px;font-size:14.5px;font-weight:600;color:var(--grey);
  border-left:3px solid transparent;
}
.side-link svg{width:20px;height:20px;}
.side-link.active{color:var(--blue);border-left-color:var(--blue);background:#eef6fb;}
.sidebar-user{
  padding:16px 24px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
}

.main-col{flex:1;min-width:0;display:flex;flex-direction:column;}

/* mobile header */
.mobile-header{
  background:var(--blue-dark);color:#fff;padding:10px 18px 20px;
}
.status-row{display:flex;justify-content:space-between;font-size:12px;font-weight:600;color:#fff;margin-bottom:4px;}
.mh-top{display:flex;justify-content:space-between;align-items:center;}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--yellow);
  display:flex;align-items:center;justify-content:center;
}
.avatar svg{width:22px;height:22px;fill:#fff;}
.flag-pill{
  display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);
  border-radius:6px;padding:5px 8px;font-size:12px;
}
.flag{width:20px;height:14px;border-radius:2px;overflow:hidden;display:flex;}
.flag div{flex:1;}
.mh-welcome{margin-top:14px;font-size:12.5px;color:#bcd4e0;}
.mh-name{font-size:21px;font-weight:700;margin-top:2px;}

/* desktop header */
.desktop-header{
  display:none;
  background:#fff;border-bottom:1px solid var(--line);
  padding:18px 32px;align-items:center;justify-content:space-between;
}
.dh-greeting{font-size:18px;font-weight:700;}
.dh-sub{font-size:13px;color:var(--grey);font-weight:400;margin-top:2px;}
.dh-right{display:flex;align-items:center;gap:16px;}

.content{padding:18px 18px 90px;max-width:900px;width:100%;}

.section-label{
  display:flex;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--grey);font-weight:700;letter-spacing:.2px;margin-bottom:10px;
}
.section-label .link{color:var(--blue);font-weight:700;}

.account-card{
  background:linear-gradient(135deg,var(--blue-card-top),var(--blue-card-bot));
  border-radius:8px;color:#fff;padding:18px 20px 20px;margin-bottom:26px;max-width:420px;
}
.account-card-top{display:flex;justify-content:space-between;align-items:flex-start;}
.account-name{font-size:16px;font-weight:700;}
.account-num{font-size:12.5px;color:#cfe4ee;margin-top:2px;}
.balance-row{display:flex;justify-content:space-between;align-items:center;margin-top:20px;}
.balance-amount{font-size:22px;font-weight:700;}
.balance-sub{font-size:11.5px;color:#cfe4ee;margin-top:2px;}
.btn-others,.btn-outline{
  border:1.3px solid rgba(255,255,255,.85);background:transparent;color:#fff;
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:5px;
}
.btn-outline{width:100%;padding:11px;}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:520px;}
.tile{
  border:1px solid var(--line);border-radius:6px;padding:14px 12px;
  display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;background:#fff;
}
.tile-icon{width:24px;height:24px;flex-shrink:0;}

.activity-list{margin-top:26px;max-width:560px;}
.activity-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--line);
}
.activity-left b{font-size:13.5px;display:block;}
.activity-left span{font-size:12px;color:var(--grey);}
.activity-right{text-align:right;}
.activity-right b{font-size:13.5px;display:block;}
.status-ok{color:#2e9e4f;font-size:11px;font-weight:700;}

/* ---- Cards tab ---- */
.card-wrap{display:flex;flex-direction:column;align-items:center;padding:20px 0 10px;}
.bank-card{
  width:100%;max-width:340px;aspect-ratio:1.586;border-radius:16px;
  background:linear-gradient(135deg,#0d2b3e,#004b73 60%,#0072ac);
  color:#fff;padding:22px;display:flex;flex-direction:column;justify-content:space-between;
  position:relative;overflow:hidden;box-shadow:0 12px 24px rgba(0,75,115,.25);
}
.bank-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:160px;height:160px;
  border-radius:50%;background:rgba(255,255,255,.05);
}
.card-top-row{display:flex;justify-content:space-between;align-items:flex-start;}
.chip{width:38px;height:28px;border-radius:5px;background:linear-gradient(135deg,#f5d67a,#d7a93b);}
.card-network{font-size:13px;font-weight:800;letter-spacing:1px;}
.card-number{font-size:19px;letter-spacing:2px;font-weight:600;margin-top:18px;font-variant-numeric:tabular-nums;}
.card-bottom-row{display:flex;justify-content:space-between;align-items:flex-end;font-size:11px;}
.card-bottom-row div span{display:block;font-size:8px;letter-spacing:.5px;color:#cfe4ee;text-transform:uppercase;margin-bottom:2px;}
.card-holder,.card-expiry{font-size:13px;font-weight:600;}

.card-actions{display:flex;gap:12px;margin-top:22px;}
.btn-toggle{
  background:var(--blue);color:#fff;border:none;border-radius:6px;padding:11px 18px;font-size:13.5px;font-weight:700;
  display:flex;align-items:center;gap:8px;
}
.card-cvv-row{display:flex;gap:24px;margin-top:16px;font-size:13px;color:var(--grey);}
.card-cvv-row b{color:var(--text-dark);}

.card-detail-list{margin-top:26px;max-width:400px;}
.card-detail-item{
  display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px;
}
.card-detail-item span:first-child{color:var(--grey);}
.card-lock-toggle{display:flex;justify-content:space-between;align-items:center;padding:14px 0;}
.switch{
  width:42px;height:24px;border-radius:12px;background:var(--line);position:relative;flex-shrink:0;
  transition:background .2s;
}
.switch.on{background:var(--green);}
.switch::after{
  content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;
  transition:left .2s;
}
.switch.on::after{left:20px;}

/* ---- Placeholder tabs ---- */
.placeholder-box{
  text-align:center;color:var(--grey);padding:60px 20px;font-size:14px;
}

/* ---- bottom nav (mobile) ---- */
.navbar{
  position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);
  display:flex;justify-content:space-around;padding:9px 0 calc(9px + env(safe-area-inset-bottom,0px));
  max-width:460px;margin:0 auto;
}
.navitem{
  display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;color:var(--grey);font-weight:700;
  background:none;border:none;
}
.navitem svg{width:19px;height:19px;}
.navitem.active{color:var(--blue);}

.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* ============ RESPONSIVE ============ */
@media (min-width:900px){
  .sidebar{display:flex;}
  .desktop-header{display:flex;}
  .mobile-header{display:none;}
  .navbar{display:none;}
  .content{padding:28px 40px 40px;max-width:1000px;}
  #app-shell.active{display:flex;}
  .main-col{background:var(--bg);}
}
@media (max-width:899px){
  .desktop-header{display:none;}
}