:root{
  --bg: #f5f6f8; --card: #ffffff; --text: #111827; --muted: #6b7280;
  --line: #e5e7eb; --gold: #c5a869; --gold-light: #f7f4ec;
  --red: #ef4444; --green: #10b981; --radius: 16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.5}
.hidden{display:none!important}

.input,textarea.input,select.input{width:100%;padding:14px 16px;background:#f9fafb;border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:15px;outline:none;transition:.2s}
.input:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-light)}
textarea.input{resize:vertical;min-height:120px;font-family:monospace;font-size:13px}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-block{width:100%}
.btn-gold{background:var(--text);color:#fff;box-shadow:0 4px 12px rgba(17,24,39,.15)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-danger{background:var(--red);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}

.auth-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#fff}
.auth-card{width:100%;max-width:400px;padding:32px 24px;background:#fff}
.auth-brand{text-align:center;margin-bottom:32px}
.auth-logo{width:64px;height:64px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;background:var(--text);border-radius:20px;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.auth-brand h1{margin:0;font-size:24px;font-weight:700;letter-spacing:1px}
.auth-brand p{margin:8px 0 0;color:var(--muted);font-size:13px;letter-spacing:2px}
.auth-tabs{display:flex;background:var(--bg);border-radius:12px;padding:4px;margin-bottom:24px}
.auth-tab{flex:1;padding:12px;border:0;background:transparent;color:var(--muted);font-size:14px;font-weight:600;border-radius:10px;cursor:pointer;transition:.2s}
.auth-tab.active{background:#fff;color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.05)}
.auth-form{display:flex;flex-direction:column;gap:16px}

.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:1px;font-size:16px}
.brand-logo{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--text);color:#fff;font-size:16px}
.user-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.user-chip .name{color:var(--text);font-weight:600;font-size:14px}
.user-chip .badge{padding:2px 10px;border-radius:20px;font-size:11px;background:var(--gold-light);color:var(--gold);font-weight:600}

.main{flex:1;width:100%;max-width:600px;margin:0 auto;padding:20px 16px 100px}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:10px 0 calc(10px + env(safe-area-inset-bottom));max-width:600px;margin:0 auto}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px 0;border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:11px;transition:color .2s;font-weight:500}
.tab-item .ico{font-size:22px;line-height:1}
.tab-item.active{color:var(--text);font-weight:700}

.card{background:var(--card);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:0 4px 20px rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.02)}
.card-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card-name{font-size:17px;font-weight:700;margin-bottom:6px}
.card-desc{color:var(--muted);font-size:13px}
.card-meta{display:flex;gap:16px;margin-top:12px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.price{color:var(--gold);font-weight:800;font-size:20px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 4px 16px;font-size:16px;font-weight:700}

.toast{position:fixed;left:50%;top:24px;transform:translate(-50%,-20px);background:#111827;color:#fff;padding:12px 24px;border-radius:12px;font-size:14px;z-index:100;opacity:0;pointer-events:none;transition:.3s;max-width:86vw;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--red)}
.toast.ok{background:var(--green)}

.modal{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:.2s}
.modal.show{opacity:1;pointer-events:auto}
.modal-card{width:100%;max-width:420px;background:#fff;border-radius:24px;padding:24px;box-shadow:0 20px 40px rgba(0,0,0,.1);transform:scale(.95);transition:.2s}
.modal.show .modal-card{transform:scale(1)}
.modal-title{font-size:18px;font-weight:700;margin:0 0 16px;text-align:center}
.modal-actions{display:flex;gap:12px;margin-top:24px}

.card-secret{background:#f9fafb;border:1px dashed var(--line);border-radius:12px;padding:14px;font-family:monospace;font-size:14px;word-break:break-all;margin-bottom:12px;color:var(--text);display:flex;justify-content:space-between;align-items:center}
.card-secret span{font-weight:700;color:var(--text)}

.empty{text-align:center;color:var(--muted);padding:60px 0;font-size:14px}

.parent-tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;margin-bottom:16px}
.parent-tabs::-webkit-scrollbar{display:none}
.parent-tab{padding:10px 20px;background:#fff;border:1px solid var(--line);border-radius:30px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;transition:.2s;box-shadow:0 2px 8px rgba(0,0,0,.02)}
.parent-tab.active{background:var(--text);color:#fff;border-color:var(--text);box-shadow:0 4px 12px rgba(17,24,39,.2)}