:root{--bg-primary: #0b0d14;--bg-secondary: #111420;--bg-card: #161a2a;--bg-card-hover: #1c2138;--border: rgba(255, 255, 255, .07);--accent: #0095ff;--accent-hover: #007acc;--accent-glow: rgba(0, 149, 255, .2);--success: #00d68f;--warning: #ffaa00;--danger: #ff3d71;--text-primary: #e8eaf6;--text-secondary: rgba(232, 234, 246, .5);--text-muted: rgba(232, 234, 246, .3);--radius: 14px;--radius-sm: 8px;--nav-height: 64px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Inter,SF Pro Display,sans-serif;min-height:100vh;overflow-x:hidden}#root{min-height:100vh}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.app-layout{display:flex;flex-direction:column;min-height:100vh}.page-content{flex:1;padding:20px 16px;padding-bottom:calc(var(--nav-height) + 20px);max-width:480px;margin:0 auto;width:100%}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:#111420f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-around;z-index:100;padding:0 8px}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;color:var(--text-muted);font-size:10px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;transition:all .2s;flex:1}.nav-item.active{color:var(--accent);background:var(--accent-glow)}.nav-item svg{opacity:.7}.nav-item.active svg{opacity:1}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:background .2s}.card:hover{background:var(--bg-card-hover)}.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;font-weight:600;margin-bottom:8px}.stat-value{font-size:26px;font-weight:800;color:var(--text-primary);letter-spacing:-.5px}.stat-value.accent{color:var(--accent)}.stat-value.success{color:var(--success)}.stat-value.warning{color:var(--warning)}.stat-value.danger{color:var(--danger)}.stat-sub{font-size:11px;color:var(--text-muted);margin-top:4px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.section-title{font-size:15px;font-weight:700;color:var(--text-primary)}.section-action{font-size:12px;color:var(--accent);cursor:pointer;text-decoration:none}.page-header{margin-bottom:22px}.page-title{font-size:24px;font-weight:800;letter-spacing:-.5px}.page-subtitle{font-size:13px;color:var(--text-secondary);margin-top:4px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.badge-confirmed{background:#00d68f26;color:var(--success)}.badge-pending,.badge-awaiting_payment{background:#ffaa0026;color:var(--warning)}.badge-failed,.badge-expired{background:#ff3d7126;color:var(--danger)}.badge-refunded{background:#0095ff26;color:var(--accent)}.payment-item{display:flex;justify-content:space-between;align-items:center;padding:14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:background .15s}.payment-item:hover{background:var(--bg-card-hover)}.payment-left{flex:1;min-width:0}.payment-id{font-size:13px;font-weight:600;color:var(--text-primary);font-family:monospace}.payment-date{font-size:11px;color:var(--text-muted);margin-top:2px}.payment-right{text-align:right}.payment-amount{font-size:15px;font-weight:700;color:var(--text-primary)}.payment-currency{font-size:11px;color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px var(--accent-glow)}.btn-ghost{background:#ffffff0f;color:var(--text-primary);border:1px solid var(--border)}.btn-ghost:hover{background:#ffffff1a}.btn-danger{background:#ff3d711a;color:var(--danger);border:1px solid rgba(255,61,113,.2)}.btn-sm{padding:8px 12px;font-size:12px;border-radius:6px}.btn-full{width:100%}.form-group{margin-bottom:14px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;background:#ffffff0d;border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.hero-card{background:linear-gradient(135deg,#0d2644,#0a1630);border:1px solid rgba(0,149,255,.2);border-radius:18px;padding:24px;margin-bottom:20px;position:relative;overflow:hidden}.hero-card:before{content:"";position:absolute;width:200px;height:200px;background:radial-gradient(circle,rgba(0,149,255,.15) 0%,transparent 70%);top:-60px;right:-40px;border-radius:50%}.hero-label{font-size:12px;color:#0095ffb3;text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:8px}.hero-amount{font-size:44px;font-weight:900;color:var(--accent);letter-spacing:-1px;line-height:1}.hero-unit{font-size:20px;color:#0095ff99;margin-left:4px}.hero-sub{font-size:12px;color:var(--text-muted);margin-top:8px}.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted)}.empty-state-icon{font-size:48px;margin-bottom:12px}.empty-state h3{font-size:16px;color:var(--text-secondary);margin-bottom:6px}.empty-state p{font-size:13px}.ai-chat-container{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.chat-msg{display:flex;gap:10px;max-width:90%}.chat-msg.user{align-self:flex-end;flex-direction:row-reverse}.chat-msg.bot{align-self:flex-start}.chat-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.chat-avatar.bot-avatar{background:var(--accent-glow)}.chat-avatar.user-avatar{background:#ffffff1a}.chat-bubble{padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.5}.chat-msg.bot .chat-bubble{background:var(--bg-card);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-msg.user .chat-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.chat-input-row{display:flex;gap:8px}.chat-input-row .form-input{border-radius:20px}.chat-input-row .btn{border-radius:20px;padding:12px 16px}.spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:40px auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{text-align:center;padding:60px 0}.code-block{background:#0000004d;border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-family:monospace;font-size:12px;color:var(--accent);word-break:break-all;position:relative}.copy-btn{position:absolute;top:8px;right:8px;background:#ffffff1a;border:none;color:#fff;padding:4px 8px;border-radius:4px;font-size:11px;cursor:pointer}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}