:root {
  --qa-blue: #0B42A6;
  --primary: #6C3AE8;
  --primary-dark: #4B21C4;
  --primary-light: #f0ebff;
  --green: #00C67A;
  --green-light: #e6fff5;
  --red: #E8443A;
  --red-light: #fff0ef;
  --orange: #F5A623;
  --bg: #F0EEF8;
  --card: #ffffff;
  --text: #1a1a2e;
  --text2: #6b7280;
  --border: #e2dff5;
  --shadow: 0 2px 16px rgba(108,58,232,.10);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 72px;
  --header-h: 60px;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }

html { font-size:15px; -webkit-tap-highlight-color:transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(160deg, #EAE6F8 0%, #F5F3FC 40%, #EDF0FA 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  padding-bottom: var(--nav-h);
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

/* ── HEADER ─────────────────────────────────────────────────────────────── */
.top-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px;
}
.top-header .logo { display:flex; align-items:center; }
.top-header .logo img { height: 34px; width: auto; display:block; }
.top-header .logo span { color: var(--green); }
.header-icons { display: flex; gap: 12px; align-items: center; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--bg); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text); font-size: 18px; position: relative;
}
.badge {
  position: absolute; top: 0; right: 0;
  width: 16px; height: 16px; background: var(--red);
  border-radius: 50%; font-size: 9px; color: #fff;
  display: flex; align-items: center; justify-content: center;
}

/* ── BOTTOM NAV ──────────────────────────────────────────────────────────── */
.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px;
  height: var(--nav-h);
  background: var(--card);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-around;
  z-index: 200;
  padding-bottom: env(safe-area-inset-bottom);
}
.nav-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  text-decoration: none; color: var(--text2); font-size: 11px;
  flex: 1; padding: 8px 0;
  transition: color .2s;
}
.nav-item .nav-icon { font-size: 22px; line-height: 1; }
.nav-item.active { color: var(--primary); }
.nav-item.active .nav-icon { transform: scale(1.1); }
.nav-item-center {
  display: flex; align-items: center; justify-content: center; flex: 1;
}
.nav-fab {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--green));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px; text-decoration: none;
  box-shadow: 0 4px 16px rgba(108,58,232,.4);
  margin-top: -20px;
}

/* ── CONTENT ─────────────────────────────────────────────────────────────── */
.content { padding: 20px 16px; }

/* ── CARD ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card-sm { padding: 14px 16px; border-radius: var(--radius-sm); }

/* ── BALANCE CARD ─────────────────────────────────────────────────────────── */
.balance-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #2d0d8a 100%);
  border-radius: var(--radius);
  padding: 24px 22px;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.balance-card::before {
  content:''; position:absolute; top:-40px; right:-40px;
  width:200px; height:200px; border-radius:50%;
  background:rgba(255,255,255,.06);
}
.balance-card::after {
  content:''; position:absolute; bottom:-60px; left:-20px;
  width:160px; height:160px; border-radius:50%;
  background:rgba(255,255,255,.04);
}
.balance-label { font-size:12px; color:rgba(255,255,255,.7); margin-bottom:6px; }
.balance-amount { font-size:34px; font-weight:800; letter-spacing:-1px; position:relative; z-index:1; }
.balance-amount .currency { font-size:20px; font-weight:600; }
.balance-toggle { background:none; border:none; color:rgba(255,255,255,.8); cursor:pointer; font-size:18px; margin-left:8px; vertical-align:middle; }
.balance-meta { display:flex; justify-content:space-between; margin-top:16px; padding-top:16px; border-top:1px solid rgba(255,255,255,.15); }
.balance-meta-item { font-size:12px; color:rgba(255,255,255,.7); }
.balance-meta-item strong { display:block; font-size:14px; color:#fff; margin-bottom:2px; }

/* ── QUICK ACTIONS ─────────────────────────────────────────────────────────── */
.quick-actions { display:grid; grid-template-columns:repeat(4,1fr); gap:14px 10px; margin-bottom:20px; }
.qa-item {
  display:flex; flex-direction:column; align-items:center; gap:8px;
  text-decoration:none; color:var(--text);
}
/* Circular two-tone badge: light gray halo + solid blue inner circle */
.qa-icon {
  width:56px; height:56px; border-radius:50%;
  background:#EEF1F6;
  display:flex; align-items:center; justify-content:center;
}
.qa-icon-inner {
  width:44px; height:44px; border-radius:50%;
  background:var(--qa-blue);
  display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.qa-label { font-size:11px; color:var(--text2); text-align:center; line-height:1.3; }
/* Legacy per-category color classes kept only for the transaction history list (tx_icon()) */
.qa-purple { background:var(--primary-light); color:var(--primary); }
.qa-green  { background:var(--green-light); color:var(--green); }
.qa-red    { background:var(--red-light); color:var(--red); }
.qa-orange { background:#fff8ee; color:var(--orange); }
.qa-blue   { background:#e8f4ff; color:#2563eb; }
.qa-pink   { background:#fff0f6; color:#e8438b; }
.qa-teal   { background:#e6faf8; color:#0d9488; }
.qa-gray   { background:#f3f4f6; color:#6b7280; }

/* ── SECTION HEADER ─────────────────────────────────────────────────────── */
.section-header {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:14px;
}
.section-title { font-size:16px; font-weight:800; color:var(--text); letter-spacing:-.01em; }
.section-link { font-size:13px; color:var(--primary); text-decoration:none; font-weight:600; }

/* ── TRANSACTION LIST ───────────────────────────────────────────────────── */
.tx-list { display:flex; flex-direction:column; gap:6px; }
.tx-item {
  display:flex; align-items:center; gap:12px;
  padding:13px 14px;
  background:#fff;
  border-radius:14px;
  border:1px solid var(--border);
  box-shadow:0 1px 4px rgba(108,58,232,.05);
  transition:transform .15s, box-shadow .15s;
}
.tx-item:active { transform:scale(.985); box-shadow:none; }
.tx-icon {
  width:44px; height:44px; border-radius:12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
}
.tx-icon svg { width:20px; height:20px; }
.tx-info { flex:1; min-width:0; }
.tx-name { font-size:13.5px; font-weight:700; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.tx-date { font-size:11px; color:var(--text2); margin-top:3px; font-weight:500; }
.tx-amount { font-size:15px; font-weight:800; letter-spacing:-.02em; font-variant-numeric:tabular-nums; }
.tx-amount.cr { color:#00a86b; }
.tx-amount.dr { color:var(--red); }
.tx-status { font-size:10px; margin-top:3px; text-align:right; font-weight:600; border-radius:20px; padding:1px 7px; display:inline-block; }
.tx-status.st-success { background:#e6fff5; color:#00a86b; }
.tx-status.st-pending { background:#fff8e6; color:#d97706; }
.tx-status.st-failed  { background:#fff0ef; color:var(--red); }

/* ── FORMS ─────────────────────────────────────────────────────────────── */
.form-group { margin-bottom:18px; }
.form-label { display:block; font-size:13px; font-weight:600; color:var(--text); margin-bottom:7px; }
.form-control {
  width:100%; padding:14px 16px;
  border:2px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:15px; color:var(--text);
  background:var(--card);
  outline:none; transition:border-color .2s;
  -webkit-appearance:none;
}
.form-control:focus { border-color:var(--primary); }
.form-control.error { border-color:var(--red); }
.input-group { position:relative; }
.input-group .form-control { padding-right:48px; }
.input-group .input-addon {
  position:absolute; right:14px; top:50%; transform:translateY(-50%);
  color:var(--text2); cursor:pointer; font-size:18px;
}
.form-hint { font-size:12px; color:var(--text2); margin-top:5px; }
.form-error { font-size:12px; color:var(--red); margin-top:5px; }

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%236b7280' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display:flex; align-items:center; justify-content:center; gap:8px;
  width:100%; padding:16px;
  border:none; border-radius:var(--radius-sm);
  font-size:16px; font-weight:700; cursor:pointer;
  text-decoration:none; transition:all .2s; -webkit-appearance:none;
}
.btn-primary {
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  box-shadow:0 4px 16px rgba(108,58,232,.35);
}
.btn-primary:hover { box-shadow:0 6px 20px rgba(108,58,232,.5); transform:translateY(-1px); }
.btn-primary:active { transform:translateY(0); }
.btn-primary:disabled { opacity:.6; cursor:not-allowed; transform:none; }
.btn-outline {
  background:transparent; color:var(--primary);
  border:2px solid var(--primary);
}
.btn-green { background:var(--green); color:#fff; box-shadow:0 4px 16px rgba(0,198,122,.3); }
.btn-red   { background:var(--red);   color:#fff; }
.btn-sm { padding:10px 16px; font-size:14px; border-radius:8px; }
.btn-loading { opacity:.7; cursor:not-allowed; }

/* ── AUTH PAGES ─────────────────────────────────────────────────────────── */
.auth-wrap {
  min-height:100vh; display:flex; flex-direction:column;
  justify-content:center; padding:24px 20px;
  background:linear-gradient(160deg,#f0ebff 0%,#f4f6fb 60%);
}
.auth-logo { text-align:center; margin-bottom:32px; }
.auth-logo img.site-logo { height:54px; width:auto; display:inline-block; }
.auth-logo .logo-text { font-size:36px; font-weight:900; color:var(--primary); letter-spacing:2px; }
.auth-logo .logo-sub  { font-size:13px; color:var(--text2); margin-top:8px; }
.auth-card { background:var(--card); border-radius:20px; padding:28px 24px; box-shadow:0 8px 40px rgba(108,58,232,.12); }
.auth-title { font-size:22px; font-weight:800; color:var(--text); margin-bottom:6px; }
.auth-subtitle { font-size:14px; color:var(--text2); margin-bottom:28px; }
.auth-footer { text-align:center; margin-top:20px; font-size:14px; color:var(--text2); }
.auth-footer a { color:var(--primary); font-weight:600; text-decoration:none; }

/* ── PIN INPUT ─────────────────────────────────────────────────────────── */
.pin-row { display:flex; gap:10px; justify-content:center; margin:20px 0; }
.pin-input {
  width:52px; height:60px; border:2px solid var(--border);
  border-radius:var(--radius-sm); font-size:24px; font-weight:700;
  text-align:center; color:var(--text); background:var(--bg);
  outline:none; transition:border-color .2s;
}
.pin-input:focus { border-color:var(--primary); background:var(--card); }

/* ── CHIPS ──────────────────────────────────────────────────────────────── */
.chips { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px; }
.chip {
  padding:7px 14px; border-radius:100px;
  background:var(--primary-light); color:var(--primary);
  font-size:13px; font-weight:600; cursor:pointer; border:none;
  transition:all .2s;
}
.chip.active, .chip:active { background:var(--primary); color:#fff; }

/* ── STATUS BADGE ─────────────────────────────────────────────────────── */
.badge-status {
  display:inline-flex; align-items:center; gap:4px;
  padding:4px 10px; border-radius:100px; font-size:11px; font-weight:600;
}
.badge-success { background:var(--green-light); color:var(--green); }
.badge-pending { background:#fff8ee; color:var(--orange); }
.badge-failed  { background:var(--red-light); color:var(--red); }
.badge-info    { background:var(--primary-light); color:var(--primary); }

/* ── ALERT ──────────────────────────────────────────────────────────────── */
.alert {
  padding:14px 16px; border-radius:var(--radius-sm);
  font-size:14px; margin-bottom:16px; display:flex; align-items:flex-start; gap:10px;
}
.alert-info    { background:#e8f4ff; color:#1d4ed8; }
.alert-success { background:var(--green-light); color:#065f46; }
.alert-warning { background:#fff8ee; color:#92400e; }
.alert-error   { background:var(--red-light); color:#991b1b; }

/* ── PAGE TITLE ─────────────────────────────────────────────────────────── */
.page-title-bar {
  display:flex; align-items:center; gap:12px;
  padding:16px 20px; background:var(--card);
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:99;
}
.back-btn {
  width:38px; height:38px; border-radius:50%; background:var(--bg);
  border:none; cursor:pointer; display:flex; align-items:center; justify-content:center;
  font-size:20px; color:var(--text); text-decoration:none;
}
.page-title { font-size:17px; font-weight:700; color:var(--text); }

/* ── CRYPTO CARD ─────────────────────────────────────────────────────────── */
.crypto-card {
  background:linear-gradient(135deg,#0f172a,#1e293b);
  border-radius:var(--radius); padding:20px;
  color:#fff; margin-bottom:16px;
}
.coin-row { display:flex; align-items:center; gap:12px; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.08); }
.coin-row:last-child { border-bottom:none; }
.coin-icon { width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:20px; }
.coin-info { flex:1; }
.coin-name { font-size:14px; font-weight:600; }
.coin-network { font-size:11px; color:rgba(255,255,255,.5); }
.coin-balance { text-align:right; }
.coin-amount { font-size:14px; font-weight:700; }
.coin-usd { font-size:11px; color:rgba(255,255,255,.5); }

/* ── NETWORK SELECTOR ─────────────────────────────────────────────────────── */
.network-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-bottom:16px; }
.network-btn {
  padding:10px 6px; border:2px solid var(--border);
  border-radius:10px; font-size:12px; font-weight:600;
  color:var(--text2); background:var(--card); cursor:pointer;
  text-align:center; transition:all .2s;
}
.network-btn.active { border-color:var(--primary); color:var(--primary); background:var(--primary-light); }

/* ── TOAST ──────────────────────────────────────────────────────────────── */
#toast {
  position:fixed; bottom:calc(var(--nav-h) + 16px); left:50%; transform:translateX(-50%) translateY(20px);
  background:#1a1a2e; color:#fff; padding:12px 20px;
  border-radius:100px; font-size:14px; font-weight:500;
  opacity:0; transition:all .3s; z-index:999;
  white-space:nowrap; max-width:90vw;
  text-overflow:ellipsis; overflow:hidden;
  pointer-events:none;
}
#toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
#toast.success { background:#065f46; }
#toast.error   { background:#991b1b; }

/* ── KYC BANNER ─────────────────────────────────────────────────────────── */
.kyc-banner {
  background:linear-gradient(135deg,#fff8e6,#fff3d0);
  border:1px solid #f5a623; border-radius:var(--radius-sm);
  padding:14px 16px; margin-bottom:16px;
  display:flex; align-items:center; gap:12px;
}
.kyc-banner-icon { font-size:24px; }
.kyc-banner-text { flex:1; font-size:13px; color:#92400e; }
.kyc-banner-text strong { display:block; font-weight:700; margin-bottom:2px; }
.kyc-banner a { color:var(--primary); font-weight:600; }

/* ── EMPTY STATE ─────────────────────────────────────────────────────────── */
.empty-state { text-align:center; padding:40px 20px; }
.empty-state .empty-icon { font-size:52px; margin-bottom:12px; }
.empty-state h3 { font-size:18px; font-weight:700; margin-bottom:6px; }
.empty-state p { font-size:14px; color:var(--text2); }

/* ── DIVIDER ────────────────────────────────────────────────────────────── */
.divider { display:flex; align-items:center; gap:12px; margin:20px 0; }
.divider::before,.divider::after { content:''; flex:1; height:1px; background:var(--border); }
.divider span { font-size:13px; color:var(--text2); white-space:nowrap; }

/* ── OTP BOX ────────────────────────────────────────────────────────────── */
.otp-sent-box {
  background:var(--primary-light); border-radius:var(--radius-sm);
  padding:14px 16px; text-align:center; margin-bottom:20px;
}
.otp-sent-box p { font-size:13px; color:var(--primary); }
.otp-sent-box strong { color:var(--primary-dark); }

/* ── SWITCH ─────────────────────────────────────────────────────────────── */
.switch-row { display:flex; justify-content:space-between; align-items:center; }
.switch { position:relative; display:inline-block; width:48px; height:26px; }
.switch input { opacity:0; width:0; height:0; }
.slider { position:absolute; cursor:pointer; inset:0; background:#ccc; border-radius:26px; transition:.3s; }
.slider::before { content:''; position:absolute; height:20px; width:20px; left:3px; bottom:3px; background:#fff; border-radius:50%; transition:.3s; }
input:checked + .slider { background:var(--primary); }
input:checked + .slider::before { transform:translateX(22px); }

/* ── UTILS ──────────────────────────────────────────────────────────────── */
.mt-1{margin-top:6px}.mt-2{margin-top:12px}.mt-3{margin-top:20px}.mt-4{margin-top:32px}
.mb-1{margin-bottom:6px}.mb-2{margin-bottom:12px}.mb-3{margin-bottom:20px}
.text-center{text-align:center}.text-right{text-align:right}
.text-sm{font-size:13px}.text-xs{font-size:11px}
.text-muted{color:var(--text2)}.text-primary{color:var(--primary)}.text-green{color:var(--green)}.text-red{color:var(--red)}
.fw-700{font-weight:700}.fw-600{font-weight:600}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.w-full{width:100%}
.hidden{display:none!important}
.loading-spinner { display:inline-block;width:18px;height:18px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite; }
@keyframes spin{to{transform:rotate(360deg)}}

@media (min-width:481px) {
  body { border-left:1px solid var(--border); border-right:1px solid var(--border); }
}

/* ── LIVE NOTIFICATIONS ─────────────────────────────────────────────────── */
#notif-stack{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none;max-width:340px;width:calc(100vw - 32px);}
.notif-popup{background:var(--card);border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.18);padding:14px 16px 14px 14px;display:flex;align-items:flex-start;gap:12px;pointer-events:all;cursor:pointer;border-left:4px solid var(--primary);transform:translateX(120%);opacity:0;transition:transform .35s cubic-bezier(.34,1.56,.64,1),opacity .25s ease;position:relative;}
.notif-popup.show{transform:translateX(0);opacity:1;}
.notif-popup.hide{transform:translateX(120%);opacity:0;}
.notif-popup.success{border-color:#059669;}
.notif-popup.error  {border-color:#dc2626;}
.notif-popup.warning{border-color:#d97706;}
.notif-popup.info   {border-color:var(--primary);}
.notif-icon{font-size:22px;flex-shrink:0;line-height:1;margin-top:1px;}
.notif-body{flex:1;min-width:0;}
.notif-title{font-weight:800;font-size:14px;color:var(--text);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.notif-msg{font-size:12px;color:var(--text2);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.notif-time{font-size:10px;color:var(--text2);margin-top:4px;opacity:.7;}
.notif-close{position:absolute;top:8px;right:10px;background:none;border:none;font-size:16px;cursor:pointer;color:var(--text2);line-height:1;padding:2px 4px;}
.notif-progress{position:absolute;bottom:0;left:0;height:3px;border-radius:0 0 12px 12px;background:currentColor;opacity:.3;animation:notif-shrink linear forwards;}
@keyframes notif-shrink{from{width:100%}to{width:0%}}

/* ── Dark Mode ────────────────────────────────────────────────────────────── */
html[data-theme="dark"] {
  --bg: #12121e;
  --card: #1c1c2e;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --border: #2d2d45;
  --shadow: 0 2px 16px rgba(0,0,0,.5);
  --primary-light: #251756;
  --red-light: #3d1515;
  --green-light: #0a2218;
}
html[data-theme="dark"] body {
  background: #12121e;
}
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
}
html[data-theme="dark"] .top-header {
  background: var(--card);
  border-color: var(--border);
}
html[data-theme="dark"] .bottom-nav {
  background: var(--card);
  border-color: var(--border);
}