/* ═══════════════════════════════════
   BINANCE TRANSFER UI — style.css
   ═══════════════════════════════════ */

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

:root {
  --bg:              #F5F5F5;
  --card-bg:         #FFFFFF;
  --border:          #EFEFEF;
  --text-primary:    #1E2026;
  --text-secondary:  #707A8A;
  --text-muted:      #B7BDC6;
  --teal:            #0ECB81;
  --teal-light:      #E6FAF3;
  --yellow:          #F0B90B;
  --yellow-light:    #FFF8E1;
  --yellow-disabled: rgba(240,185,11,0.28);
  --red:             #F6465D;
  --shadow:          0 2px 14px rgba(0,0,0,0.055);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  background: var(--bg);
  min-height: 100vh;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
}

/* ── HEADER ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 20px 14px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-btn {
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; border-radius:50%;
  color: var(--text-primary);
  transition: background .2s;
}
.back-btn:active { background: var(--border); }
.back-btn svg { width:22px; height:22px; }

.header-title {
  font-size:18px; font-weight:700;
  color: var(--text-primary);
  letter-spacing:-0.3px;
}

/* ── WALLET BUTTON ── */
.wallet-btn {
  width:38px; height:38px;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  border-radius:10px;
  border:1.5px solid var(--border);
  background:#fff;
  color: var(--text-secondary);
  transition: all .25s ease;
  position:relative;
  /* Koi text nahi, sirf icon */
}
.wallet-btn:active { opacity:.7; }

/* Connected = green */
.wallet-btn.connected {
  border-color: var(--teal);
  background: var(--teal-light);
  color: var(--teal);
}

.wallet-btn svg { width:20px; height:20px; }

/* Green dot jab connected */
.wallet-dot {
  position:absolute; top:-3px; right:-3px;
  width:10px; height:10px;
  border-radius:50%;
  background: var(--teal);
  border:2px solid #fff;
  display:none;
}
.wallet-btn.connected .wallet-dot { display:block; }

/* ── BODY ── */
.body {
  padding: 18px 16px 130px;
  display:flex; flex-direction:column; gap:14px;
}

/* ── SECTION LABEL ── */
.section-label {
  font-size:12px; font-weight:600;
  color: var(--text-secondary);
  margin-bottom:-6px;
  padding-left:2px;
  letter-spacing:.5px;
  text-transform:uppercase;
}

/* ── ROUTE CARD ── */
.route-card {
  background: var(--card-bg);
  border-radius:16px;
  border:1px solid var(--border);
  overflow:hidden;
  box-shadow: var(--shadow);
  position:relative;
}
.route-row {
  display:flex; align-items:center;
  padding:15px 18px; gap:10px;
}
.route-divider { height:1px; background:var(--border); margin:0 18px; }
.route-label { font-size:13px; color:var(--text-secondary); min-width:32px; font-weight:500; }
.route-value { font-size:15px; font-weight:700; color:var(--text-primary); letter-spacing:-0.2px; }
.route-sub   { font-size:11px; color:var(--text-secondary); margin-top:2px; }

.chevron { width:16px; height:16px; color:var(--text-muted); flex-shrink:0; }

.swap-btn {
  position:absolute; right:18px; top:50%; transform:translateY(-50%);
  width:30px; height:30px;
  background:var(--bg);
  border:1.5px solid var(--border);
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all .22s; z-index:2;
}
.swap-btn:active { background:var(--border); transform:translateY(-50%) rotate(180deg); }
.swap-btn svg { width:15px; height:15px; }

/* ── COIN CARD ── */
.coin-card {
  background:var(--card-bg);
  border-radius:16px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.coin-option {
  display:flex; align-items:center;
  padding:14px 18px; gap:12px;
  cursor:pointer; transition:background .15s;
}
.coin-option:not(:last-child) { border-bottom:1px solid var(--border); }
.coin-option:active { background:var(--bg); }
.coin-option.selected { background:var(--teal-light); }

/* Real logo */
.coin-icon-wrap {
  width:40px; height:40px;
  border-radius:50%;
  overflow:hidden;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:#f8f8f8;
  border:1px solid var(--border);
}
.coin-logo { width:38px; height:38px; object-fit:cover; border-radius:50%; }
.coin-fallback {
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:800; color:#fff;
}
.usdt-fb { background:#26A17B; }
.bnb-fb  { background:#F0B90B; color:#1E2026; }

.coin-info { flex:1; }
.coin-ticker { font-size:15px; font-weight:700; color:var(--text-primary); }
.coin-name   { font-size:11.5px; color:var(--text-secondary); margin-top:2px; }

.coin-select-dot {
  width:20px; height:20px; border-radius:50%;
  border:2px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  transition:all .2s; flex-shrink:0;
}
.coin-option.selected .coin-select-dot { border-color:var(--teal); background:var(--teal); }
.coin-select-dot::after {
  content:''; width:8px; height:8px;
  border-radius:50%; background:#fff;
  opacity:0; transition:opacity .2s;
}
.coin-option.selected .coin-select-dot::after { opacity:1; }

/* ── AMOUNT CARD ── */
.amount-card {
  background:var(--card-bg);
  border-radius:16px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:16px 18px;
}
.amount-input-row { display:flex; align-items:center; gap:10px; margin-bottom:12px; }

.amount-input {
  flex:1; font-size:22px; font-weight:700;
  color:var(--text-primary); border:none; outline:none;
  background:transparent; letter-spacing:-0.5px;
  width:0; min-width:0;
}
.amount-input::placeholder { color:var(--text-muted); font-weight:400; font-size:16px; }

.coin-ticker-tag { font-size:14px; font-weight:700; color:var(--text-secondary); letter-spacing:.5px; flex-shrink:0; }

.max-btn {
  padding:5px 14px;
  background:var(--yellow-light); color:var(--yellow);
  font-size:13px; font-weight:700;
  border-radius:8px; cursor:pointer;
  transition:all .15s;
  border:1px solid rgba(240,185,11,0.25); flex-shrink:0;
}
.max-btn:active { background:rgba(240,185,11,0.25); transform:scale(.96); }

.amount-divider { height:1px; background:var(--border); margin-bottom:12px; }

.available-row { display:flex; align-items:center; justify-content:space-between; }
.available-label { font-size:12.5px; color:var(--text-secondary); }
.available-value { font-size:13px; font-weight:700; color:var(--text-primary); }
.available-unit  { color:var(--text-secondary); font-weight:500; }

/* Fetching spinner */
.fetching { display:inline-flex; align-items:center; gap:6px; font-size:12px; color:var(--text-secondary); }
.mini-spinner {
  width:12px; height:12px;
  border:2px solid var(--border); border-top-color:var(--teal);
  border-radius:50%; animation:spin .7s linear infinite; display:inline-block;
}

.fee-note {
  font-size:11.5px; color:var(--text-secondary);
  margin-top:10px; padding:9px 12px;
  background:var(--bg); border-radius:9px;
  border:1px solid var(--border);
  display:flex; align-items:flex-start; gap:6px; line-height:1.55;
}
.fee-icon { font-size:12px; flex-shrink:0; margin-top:1px; }

/* ── CONFIRM BUTTON ── */
.confirm-wrap {
  position:fixed; bottom:0; left:50%; transform:translateX(-50%);
  width:100%; max-width:430px;
  padding:16px 16px 40px;
  background:linear-gradient(to top,#f5f5f5 70%,transparent);
  z-index:99;
}
.confirm-btn {
  width:100%; padding:16px;
  border-radius:14px; border:none;
  font-size:16px; font-weight:700; letter-spacing:.2px;
  cursor:pointer; transition:all .25s;
  background:var(--yellow-disabled);
  color:rgba(255,255,255,.5);
  pointer-events:none;
}
.confirm-btn.active {
  background:var(--yellow); color:#1E2026; pointer-events:all;
  box-shadow:0 4px 22px rgba(240,185,11,.35);
}
.confirm-btn.active:active { transform:scale(.98); box-shadow:none; }

/* ── OVERLAY / POPUP ── */
.overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,.48);
  z-index:200;
  display:flex; align-items:flex-end; justify-content:center;
  opacity:0; pointer-events:none;
  transition:opacity .28s;
}
.overlay.show { opacity:1; pointer-events:all; }

.popup {
  width:100%; max-width:430px;
  background:#fff;
  border-radius:24px 24px 0 0;
  padding:20px 22px 50px;
  transform:translateY(100%);
  transition:transform .34s cubic-bezier(.32,.72,0,1);
}
.overlay.show .popup { transform:translateY(0); }

.popup-handle { width:38px; height:4px; background:var(--border); border-radius:2px; margin:0 auto 22px; }
.popup-icon {
  width:62px; height:62px; border-radius:50%;
  background:var(--teal-light);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 14px; font-size:28px;
}
.popup-title { font-size:19px; font-weight:800; color:var(--text-primary); text-align:center; margin-bottom:8px; letter-spacing:-0.3px; }
.popup-msg   { font-size:13.5px; color:var(--text-secondary); text-align:center; line-height:1.65; margin-bottom:18px; }

.popup-details {
  background:var(--bg); border-radius:14px;
  padding:14px; margin-bottom:16px; border:1px solid var(--border);
}
.popup-detail-row {
  display:flex; justify-content:space-between; align-items:center;
  font-size:13px; padding:5px 0;
}
.popup-detail-row:not(:last-child) { border-bottom:1px solid var(--border); padding-bottom:9px; margin-bottom:4px; }
.detail-label { color:var(--text-secondary); }
.detail-value { font-weight:700; color:var(--text-primary); }
.detail-value.teal { color:var(--teal); }
.detail-value.red  { color:var(--red); }

.spinner {
  width:18px; height:18px;
  border:2.5px solid var(--border); border-top-color:var(--teal);
  border-radius:50%; animation:spin .8s linear infinite;
  display:inline-block; vertical-align:middle; margin-right:6px;
}
.popup-status {
  display:flex; align-items:center; justify-content:center;
  font-size:13px; color:var(--teal); font-weight:600; margin-bottom:20px;
}
.popup-close-btn {
  width:100%; padding:14px;
  background:var(--yellow); color:#1E2026;
  font-size:15px; font-weight:700;
  border-radius:13px; border:none; cursor:pointer;
  transition:all .15s; display:block; margin-bottom:0;
}
.popup-close-btn + .popup-close-btn { margin-top:10px; }
.popup-close-btn:active { transform:scale(.98); opacity:.88; }

/* ── ANIMATIONS ── */
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes fadeIn  { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:translateY(0); } }