:root{--bg: #0f172a;--bg-soft: #1e293b;--card: #ffffff;--ink: #0f172a;--muted: #64748b;--brand: #4f46e5;--brand-2: #7c3aed;--accent: #10b981;--warn: #f59e0b;--danger: #ef4444;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Tahoma,sans-serif;background:radial-gradient(1200px 600px at 80% -10%,#312e81 0%,transparent 60%),var(--bg);color:#e2e8f0;min-height:100vh}.app{max-width:880px;margin:0 auto;padding:0 16px 40px}.header{border-bottom:1px solid #1e293b;background:#0f172acc;position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header-inner{max-width:880px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 16px}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}.brand-logo{background:linear-gradient(135deg,var(--brand),var(--brand-2));width:32px;height:32px;display:grid;place-items:center;border-radius:10px;font-size:18px}.wallet{display:flex;gap:8px}.chip{background:var(--bg-soft);border:1px solid #334155;padding:4px 10px;border-radius:999px;font-size:13px}.btn-install{background:linear-gradient(135deg,var(--accent),#059669);color:#fff;border:none;cursor:pointer;font-weight:700;padding:6px 14px;border-radius:999px;font-size:13px;transition:transform .08s ease}.btn-install:active{transform:translateY(1px)}.main{margin-top:28px}.hero{text-align:center;padding:12px 0 8px}.hero h1{font-size:clamp(26px,4vw,40px);margin:0 0 10px;background:linear-gradient(90deg,#c7d2fe,#f5d0fe);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:#94a3b8;max-width:640px;margin:0 auto 20px;line-height:1.7}.btn-primary,.btn-ghost,.btn-reward,.link-btn{border:none;cursor:pointer;font-weight:600;border-radius:10px;transition:transform .08s ease,box-shadow .15s ease}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;padding:10px 20px}.btn-primary:active{transform:translateY(1px)}.btn-primary.btn-lg{padding:14px 30px;font-size:17px}.btn-ghost{background:transparent;border:1px solid #334155;color:#cbd5e1;padding:9px 16px}.btn-reward{background:linear-gradient(135deg,#b45309,#f59e0b);color:#1c1917;padding:12px 22px;font-size:15px;width:100%;margin:12px 0;box-shadow:0 6px 20px #f59e0b40}.link-btn{background:transparent;border:none;color:#93c5fd;font-size:14px}.mail-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;max-width:760px;margin:8px auto 0}.mail-card{background:#1e293b99;border:1px solid #334155;border-radius:12px;padding:12px 14px;cursor:pointer;text-align:right;transition:border-color .15s,transform .1s,opacity .15s}.mail-card:hover{border-color:#64748b;transform:translateY(-1px)}.mail-card.active{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 8px 24px #4f46e52e}.mail-card.expired{opacity:.65}.mail-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.mail-days{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.badge-days{background:#1e3a5f;color:#93c5fd}.badge-expired{background:#450a0a;color:#fca5a5}.btn-copy{background:transparent;border:1px solid #475569;color:#cbd5e1;font-size:11px;border-radius:8px;padding:2px 8px;cursor:pointer}.btn-copy:hover{border-color:var(--brand);color:#fff}.mail-addr{font-family:Courier New,monospace;font-size:13px;color:#e2e8f0;margin:8px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr;text-align:left}.mail-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.mail-count{font-size:12px;color:var(--muted)}.btn-renew{background:linear-gradient(135deg,#b45309,#f59e0b);color:#1c1917;border:none;cursor:pointer;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}.btn-renew:hover{filter:brightness(1.08)}.empty-actions{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:14px}.empty-actions .hint{margin:0}.expired-banner{background:#7f1d1d40;border:1px solid #7f1d1d;border-radius:var(--radius);padding:20px;margin-top:20px;text-align:center}.expired-banner h3{margin:0 0 8px;color:#fecaca}.expired-banner p{color:#fca5a5;margin:0 0 14px}.expired-banner .btn-reward{max-width:320px}.empty-address{padding:24px 0;display:flex;flex-direction:column;align-items:center;gap:6px}.empty-address p{color:#94a3b8;margin:0}.hint{color:var(--muted);font-size:13px}.banner-ad{margin:22px 0;background:#1e293b;border:1px solid #334155;border-radius:var(--radius);overflow:hidden}.banner-ad-label{display:block;font-size:11px;color:#64748b;text-transform:uppercase;letter-spacing:1px;padding:6px 12px 0}.banner-ad-content{padding:10px}.banner-ad-fake{border:1px dashed #475569;border-radius:8px;height:90px;display:flex;align-items:center;justify-content:center;color:#64748b;font-size:14px;gap:8px;background:repeating-linear-gradient(45deg,#1e293b,#1e293b 10px,#273449 10px,#273449 20px)}.banner-ad-badge{background:#f59e0b;color:#1c1917;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.actions-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}.inbox-wrap{scroll-margin-top:76px}.inbox{background:#fff;color:var(--ink);border-radius:var(--radius);margin-top:20px;overflow:hidden}.inbox-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #e2e8f0;gap:10px;flex-wrap:wrap}.inbox-head h2{margin:0;font-size:18px}.inbox-addr{display:block;font-size:12px;color:var(--muted);direction:ltr;text-align:right;margin-top:2px}.inbox-actions{display:flex;gap:8px}.inbox .btn-ghost{border-color:#cbd5e1;color:var(--ink)}.email-list{list-style:none;margin:0;padding:0}.email-item{padding:14px 18px;border-bottom:1px solid #f1f5f9;cursor:pointer;transition:background .1s}.email-item:hover{background:#f8fafc}.email-item.selected{background:#eef2ff}.email-from{font-weight:700;font-size:14px}.email-subject{margin:4px 0;font-size:15px;color:#334155}.email-subject .locked{color:#94a3b8}.email-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.email-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.email-time{white-space:nowrap}.badge-open,.badge-lock{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}.badge-open{background:#d1fae5;color:#065f46}.badge-lock{background:#fef3c7;color:#92400e}.empty-state{padding:30px;text-align:center;color:var(--muted)}.email-detail{border-top:3px solid var(--brand);padding:16px 18px}.email-detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}.email-detail-head strong{display:block;font-size:17px}.email-detail-from{color:var(--muted);font-size:13px}.email-body{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:14px;white-space:pre-wrap;font-family:inherit;font-size:14px;line-height:1.7;direction:rtl}.how-it-works{margin-top:26px;text-align:center}.how-it-works h2{font-size:20px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:18px 0}.step{background:var(--bg-soft);border:1px solid #334155;border-radius:var(--radius);padding:18px 14px}.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:700}.step p{color:#cbd5e1;font-size:14px}.footer{margin-top:40px;padding-top:16px;border-top:1px solid #1e293b;text-align:center;color:var(--muted);font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#020617bf;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:#fff;color:var(--ink);border-radius:var(--radius);max-width:460px;width:100%;padding:20px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-head h3{margin:0;font-size:17px}.close-count{font-size:12px;color:var(--muted)}.modal-hint{font-size:13px;color:var(--muted);margin:12px 0 0;text-align:center}.modal-error{color:var(--danger);font-size:14px;text-align:center}.ad-creative{border:1px dashed #cbd5e1;border-radius:10px;padding:40px 20px;text-align:center;background:repeating-linear-gradient(45deg,#f8fafc,#f8fafc 10px,#f1f5f9 10px,#f1f5f9 20px);position:relative}.ad-creative-badge{position:absolute;top:10px;right:10px;background:#f59e0b;color:#1c1917;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.ad-creative-title{font-size:20px;font-weight:800;color:#334155}.ad-creative-sub{color:var(--muted);font-size:14px;margin-top:6px}.progress-track{height:8px;background:#e2e8f0;border-radius:999px;margin-top:14px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width 1s linear}.modal-success{text-align:center;padding:14px 0 4px}.success-icon{width:56px;height:56px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:#d1fae5;color:#059669;font-size:24px;font-weight:800}.modal-success p{margin:0 0 16px;font-weight:600}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-soft);border:1px solid #334155;color:#e2e8f0;padding:12px 22px;border-radius:999px;z-index:60;box-shadow:0 10px 30px #0006;font-size:14px}.loading{display:grid;place-items:center;height:60vh;color:#94a3b8}