/* VaelPay theme — dark, purple/blue/black */
:root{
    --bg-0: #07060d;
    --bg-1: #0c0a1a;
    --bg-2: #14122a;
    --panel: rgba(20, 18, 42, 0.65);
    --border: rgba(140, 120, 255, 0.18);
    --border-strong: rgba(140, 120, 255, 0.35);
    --text: #e8e6ff;
    --muted: #9a96c5;
    --accent: #8b5cf6;
    --accent-2: #3b82f6;
    --accent-3: #06b6d4;
    --ok: #10b981;
    --warn: #f59e0b;
    --err: #ef4444;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
    background:
        radial-gradient(ellipse at top, rgba(139,92,246,0.18), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(59,130,246,0.15), transparent 50%),
        linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a{color: var(--accent-3); text-decoration: none}
a:hover{color: #67e8f9}
.container{max-width: 1200px; margin: 0 auto; padding: 24px}
.row{display:flex; gap:16px; flex-wrap:wrap}
.col{flex:1 1 0; min-width: 0}
.panel{
    background: var(--panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}
.panel h2, .panel h3{ margin-bottom: 12px }
.btn{
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: white; border: none; border-radius: var(--radius-sm);
    padding: 11px 20px; font-weight: 600; cursor: pointer;
    transition: transform .15s ease, box-shadow .2s ease, opacity .2s;
    text-decoration: none; font-size: 14px;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 8px 24px rgba(139,92,246,0.35) }
.btn:active{ transform: translateY(0) }
.btn.secondary{ background: rgba(255,255,255,0.06); border: 1px solid var(--border) }
.btn.danger{ background: linear-gradient(135deg, #ef4444, #b91c1c) }
.btn.ok{ background: linear-gradient(135deg, #10b981, #059669) }
.btn.sm{ padding: 7px 12px; font-size: 12px }
.input, select, textarea{
    width: 100%; padding: 11px 14px;
    background: rgba(0,0,0,0.35);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px; outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.input:focus, select:focus, textarea:focus{
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139,92,246,0.18);
}
label{ display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em }
.field{ margin-bottom: 14px }
table{ width: 100%; border-collapse: collapse }
th, td{ text-align: left; padding: 10px 12px; font-size: 13px; border-bottom: 1px solid var(--border) }
th{ color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: .05em }
tr:hover td{ background: rgba(255,255,255,0.02) }
.badge{ display:inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em }
.b-pending{ background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3) }
.b-confirming{ background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3) }
.b-paid{ background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3) }
.b-failed, .b-expired, .b-canceled{ background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.3) }
.navbar{
    display:flex; align-items:center; justify-content:space-between;
    padding: 16px 24px;
    background: rgba(7,6,13,0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
}
.brand{ display:flex; align-items:center; gap: 10px; font-weight: 700; font-size: 18px; color: white; text-decoration: none }
.brand .logo{
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display:flex; align-items:center; justify-content:center;
    box-shadow: 0 4px 16px rgba(139,92,246,0.4);
    font-weight: 800;
}
.nav-links{ display:flex; gap: 6px; align-items: center }
.nav-links a{ color: var(--muted); padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500 }
.nav-links a:hover{ background: rgba(255,255,255,0.05); color: white }
.nav-links a.active{ color: white; background: rgba(139,92,246,0.15) }
.hero{ padding: 80px 24px; text-align: center }
.hero h1{
    font-size: 48px; line-height: 1.1; margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #c4b5fd 50%, #93c5fd 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p{ color: var(--muted); max-width: 640px; margin: 0 auto 32px; font-size: 17px }
.coin-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-top: 32px }
.coin-card{
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 20px; cursor: pointer; transition: all .2s;
    text-align: center;
}
.coin-card:hover{ border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(139,92,246,0.25) }
.coin-icon{
    width: 48px; height: 48px; margin: 0 auto 12px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px;
}
.coin-card h4{ margin-bottom: 4px }
.coin-card small{ color: var(--muted) }
.qr-wrap{
    display:flex; flex-direction: column; align-items: center; gap: 16px;
    padding: 24px; background: white; border-radius: var(--radius); width: 280px; height: 280px; margin: 0 auto;
}
.qr-wrap img, .qr-wrap canvas{ width: 100%; height: 100%; image-rendering: pixelated }
.address-box{
    background: rgba(0,0,0,0.4); border: 1px solid var(--border);
    padding: 12px 14px; border-radius: var(--radius-sm);
    font-family: 'SF Mono', Menlo, monospace; font-size: 13px;
    word-break: break-all; display: flex; align-items: center; gap: 10px; justify-content: space-between;
}
.alert{ padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px }
.alert-err{ background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5 }
.alert-ok{ background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7 }
.alert-warn{ background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d }
.stats-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 24px }
.stat{ padding: 18px; }
.stat h3{ font-size: 13px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em }
.stat .v{ font-size: 28px; font-weight: 700; color: white }
.muted{ color: var(--muted) }
.mono{ font-family: 'SF Mono', Menlo, monospace; font-size: 13px }
.center{ text-align: center }
.flex{ display:flex; gap: 10px; align-items: center }
.flex.between{ justify-content: space-between }
.flex.wrap{ flex-wrap: wrap }
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.pill{ display:inline-flex; align-items:center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: 11px; background: rgba(139,92,246,0.15); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.3) }
.dot{ width: 8px; height: 8px; border-radius: 50%; display: inline-block }
.dot-ok{ background: #10b981; box-shadow: 0 0 8px #10b981 }
.dot-pending{ background: #f59e0b; box-shadow: 0 0 8px #f59e0b }
.dot-err{ background: #ef4444; box-shadow: 0 0 8px #ef4444 }
.code{ background: rgba(0,0,0,0.5); padding: 14px 16px; border-radius: var(--radius-sm); font-family: 'SF Mono', Menlo, monospace; font-size: 12px; white-space: pre; overflow-x: auto; border: 1px solid var(--border); color: #a5b4fc }
.empty{ text-align: center; padding: 40px 20px; color: var(--muted) }
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px }
@media (max-width: 768px){
    .hero h1{ font-size: 32px }
    .split{ grid-template-columns: 1fr }
    .container{ padding: 16px }
    .navbar{ padding: 12px 16px }
    .nav-links a{ padding: 6px 10px; font-size: 13px }
}
.copy-feedback{ font-size: 12px; color: var(--ok); margin-left: 8px; opacity: 0; transition: opacity .2s }
.copy-feedback.show{ opacity: 1 }