*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
:root{
  --bg:#fff;--bg-alt:#f7f8fc;--bg-card:#fff;
  --border:#e5e7ee;--border-hover:#c7cad6;
  --text:#111827;--text-2:#4b5563;--text-3:#9ca3af;
  --primary:#1d4ed8;--primary-hover:#1e40af;--primary-light:#eff6ff;--primary-border:#bfdbfe;
  --success:#059669;--success-light:#ecfdf5;--success-border:#a7f3d0;
  --warning:#d97706;--danger:#dc2626;
  --r:10px;--r-lg:14px;--r-xl:20px;
  --shadow-xs:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 1px 4px rgba(0,0,0,.05),0 4px 16px rgba(0,0,0,.04);
  --shadow-lg:0 4px 24px rgba(0,0,0,.07);
}
html{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{overflow-x:hidden;background:var(--bg)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{display:block;max-width:100%}
.desktop-only{}
@media (max-width: 920px){.desktop-only{display:none!important}}

.header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);height:56px}
.header-inner{max-width:1120px;margin:0 auto;padding:0 28px;display:flex;align-items:center;height:100%}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;letter-spacing:-.3px;color:var(--text);flex-shrink:0}
.logo-img{height:38px;width:auto}
.nav{display:flex;align-items:center;margin-left:32px;height:56px}
.nav a{display:flex;align-items:center;height:56px;padding:0 14px;font-size:13px;font-weight:500;color:var(--text-3);border-bottom:2px solid transparent;transition:color .12s,border-color .12s}
.nav a:hover{color:var(--text)}
.nav a.active{color:var(--primary);border-bottom-color:var(--primary)}
.hdr-right{margin-left:auto;display:flex;align-items:center;gap:6px;flex-shrink:0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 16px;border-radius:6px;font-size:12.5px;font-weight:600;transition:all .12s;white-space:nowrap;line-height:1.4}
.btn i{font-size:15px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-outline{border:1px solid var(--border);color:var(--text);background:var(--bg)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{color:var(--text-2);padding:7px 10px}
.btn-ghost:hover{color:var(--text)}
.btn-lg{padding:12px 28px;font-size:14.5px;border-radius:10px}
.btn-sm{padding:5px 12px;font-size:12px;border-radius:6px}
.btnh{background:var(--primary);color:#fff}
.btnh:hover{background:var(--primary-hover)}
.btn.v2{border:1px solid var(--border);background:var(--bg);color:var(--text)}
.btn.v2:hover{border-color:var(--primary);color:var(--primary)}

.mob-toggle{display:none;width:36px;height:36px;border-radius:8px;align-items:center;justify-content:center;color:var(--text-2);font-size:20px;transition:.12s}
.mob-toggle:hover{background:var(--bg-alt);color:var(--text)}
.mob-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:998;backdrop-filter:blur(2px)}
.mob-panel{position:fixed;top:0;right:-300px;width:300px;max-width:85vw;height:100vh;background:var(--bg);z-index:999;box-shadow:var(--shadow-lg);transition:right .25s ease;display:flex;flex-direction:column;overflow-y:auto}
.mob-panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border)}
.mob-panel-close{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-2);font-size:20px}
.mob-panel-close:hover{background:var(--bg-alt);color:var(--text)}
.mob-nav{display:flex;flex-direction:column;padding:12px 12px 0}
.mob-nav a{padding:10px 10px;border-radius:10px;color:var(--text-2);font-weight:600;font-size:13.5px}
.mob-nav a:hover{background:var(--bg-alt);color:var(--text)}
.mob-actions{margin-top:auto;padding:14px 12px 18px;display:grid;gap:10px}
.mob-btn{width:100%;padding:12px 14px;border-radius:12px}
body.mob-open .mob-overlay{display:block}
body.mob-open .mob-panel{right:0}
@media (max-width: 920px){.mob-toggle{display:flex}}

.w1{max-width:1120px;margin:0 auto;padding:0 28px}

.modal-overlay{display:none;position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.35);backdrop-filter:blur(4px);align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{width:min(520px,100%);background:var(--bg-card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);padding:22px;position:relative}
.modal-close{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-2)}
.modal-close:hover{background:var(--bg-alt);color:var(--text)}
.modal-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border:1px solid var(--primary-border);color:var(--primary);margin:0 auto 12px;font-size:22px}
.modal-icon-ok{background:var(--success-light);border:1px solid var(--success-border);color:var(--success)}
.modal h2{margin:0 0 6px;font-size:22px;letter-spacing:-.4px;text-align:center}
.modal p{margin:0 0 12px;color:var(--text-2);text-align:center}
.modal label{display:block;font-size:12.5px;font-weight:700;color:var(--text);margin:10px 0 6px}
.modal input{width:100%;padding:12px 12px;border:1px solid var(--border);border-radius:12px;background:var(--bg);font-size:14px;outline:none}
.modal input:focus{border-color:var(--primary-border);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.modal-btn{width:100%;padding:12px 14px;border-radius:12px;margin-top:12px}
.modal-error{display:none;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px 12px;border-radius:12px;font-size:13px;margin:12px 0}
.modal-error.show{display:block}
.modal-sep{display:flex;align-items:center;gap:10px;margin:12px 0;color:var(--text-3);font-size:12px}
.modal-sep:before,.modal-sep:after{content:"";height:1px;background:var(--border);flex:1}
.seed-box{background:#0f172a;color:#a5b4fc;padding:16px;border-radius:12px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:19px;text-align:center;letter-spacing:1.5px;margin:12px 0;cursor:pointer;user-select:all;transition:.12s}
.seed-box:hover{background:#1e293b}
.seed-box.copied{outline:3px solid rgba(29,78,216,.18)}
.warn-box{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px 14px;margin:12px 0}
.warn-box strong{display:flex;align-items:center;gap:6px}
.warn-box p{margin:6px 0 0;color:#92400e;text-align:left}

.dashboard-container{padding:36px 0}
.dashboard-header{padding:18px 0 22px}
.dashboard-header h1{margin:0 0 6px;font-size:28px;letter-spacing:-.6px}
.dashboard-header p{margin:0;color:var(--text-2)}
.dashboard-content{display:grid;grid-template-columns:1.4fr .9fr;gap:18px}
@media (max-width: 980px){.dashboard-content{grid-template-columns:1fr}}
.dashboard-info,.dashboard-profile,.user-cards-section{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px}
.dashboard-info h2,.dashboard-profile h3,.user-cards-section h2{margin:0 0 10px;letter-spacing:-.3px}
.account-features p{margin:0 0 6px;color:var(--text-2)}
.virtual-card-container{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;margin-top:14px}
@media (max-width: 980px){.virtual-card-container{grid-template-columns:1fr}}
.dashboard-card-display{display:flex;justify-content:center}
.virtual-card{width:340px;max-width:100%;border-radius:18px;padding:18px 18px 16px;color:#fff;position:relative;overflow:hidden;box-shadow:0 18px 40px rgba(15,23,42,.18)}
.virtual-card .card-background{position:absolute;inset:0;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#334155 100%);opacity:1}
.virtual-card .card-chip{position:absolute;top:18px;left:18px;width:38px;height:28px;border-radius:6px;background:linear-gradient(135deg,#d4a853,#f5d78e,#d4a853);opacity:.95}
.virtual-card .card-chip:after{content:"";position:absolute;inset:3px;border:1px solid rgba(0,0,0,.12);border-radius:4px}
.virtual-card .card-logo{position:absolute;top:18px;right:18px;width:56px;height:56px;border-radius:14px;background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}
.virtual-card .card-number{position:relative;margin-top:72px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:17px;letter-spacing:2.5px;opacity:.92}
.virtual-card .card-holder{position:relative;margin-top:14px;font-weight:750;font-size:12.5px;opacity:.95}
.virtual-card .card-expiry{position:relative;margin-top:10px;font-size:12px;opacity:.9}
.virtual-card .card-network{position:absolute;bottom:14px;right:16px;width:54px;height:34px;border-radius:12px;background:rgba(255,255,255,.12)}
.card-generation-info{display:flex;flex-direction:column;gap:12px}
.cards-remaining{margin:0;color:var(--text-2)}
.card-warning{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px 14px}
.alert{border-radius:12px;padding:12px 14px;border:1px solid var(--border);background:var(--bg-alt)}
.alert-danger{background:#fef2f2;border-color:#fecaca}
.alert-success{background:var(--success-light);border-color:var(--success-border)}
.profile-info p{margin:0 0 8px;color:var(--text-2)}
.profile-actions{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}

.user-cards-section{margin-top:18px}
.cards-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:10px}
@media (max-width: 980px){.cards-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 620px){.cards-list{grid-template-columns:1fr}}
.card-item{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-xs);overflow:hidden}
.card-mini{padding:14px;background:linear-gradient(135deg,#0f172a 0%,#1e293b 60%,#0b1220 100%);color:#fff;position:relative}
.card-mini-number{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:1px}
.card-mini-expiry{opacity:.85;font-size:12px;margin-top:8px}
.card-mini-status{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:750}
.card-mini-status.pending-topup{background:rgba(245,158,11,.18);border-color:rgba(245,158,11,.3)}
.card-details{padding:12px 14px}
.card-details p{margin:0 0 8px;color:var(--text-2);font-size:13px}
.card-details-toggle{color:var(--primary);font-weight:700;font-size:13px;cursor:pointer}
.card-details-hidden{display:none;margin-top:10px}

.topup-container{padding:36px 0}
.topup-content{display:flex;flex-wrap:wrap;gap:18px}
.card-details-section,.topup-form-section,.card-active-message{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px}
.card-info-list,.payment-address-container{background:var(--bg-alt);border:1px solid var(--border);border-radius:14px;padding:14px}
.topup-notice{background:#fffbeb;border:1px solid #fde68a;border-left:4px solid #f59e0b;border-radius:12px;padding:12px 14px}
.topup-notice p{margin:0;color:#92400e}
.crypto-button{border:1px solid var(--border);border-radius:14px;background:var(--bg);padding:12px}
.crypto-button.selected{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.address-box{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.copy-btn{border:1px solid var(--border);background:var(--bg);border-radius:10px;padding:6px 10px}
.copy-btn:hover{border-color:var(--primary);color:var(--primary)}