*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#f8fafc;--card:#ffffff;--border:#e2e8f0;--text:#0f172a;--muted:#64748b;--accent:#0f172a;--accent-light:#f1f5f9;--green:#10b981;--amber:#f59e0b;--blue:#3b82f6;--red:#ef4444}
html,body{height:100%;overflow:hidden}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--accent);color:var(--text);-webkit-font-smoothing:antialiased}
#app{width:100%;max-width:480px;height:100%;margin:0 auto;position:relative;overflow:hidden;background:var(--bg);display:flex;flex-direction:column}
.hidden{display:none!important}
.screen{position:absolute;inset:0;display:none;flex-direction:column;background:var(--bg);overflow:hidden}
.screen.active{display:flex}
.splash-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--bg)}
.splash-logo{width:64px;height:64px;border-radius:18px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:white}
.splash-logo svg{width:32px;height:32px;fill:white}
.splash-title{font-size:28px;font-weight:800;letter-spacing:-.8px}
.splash-sub{font-size:12px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}
@keyframes spin{to{transform:rotate(360deg)}}
.splash-loader{width:20px;height:20px;border:2px solid #e2e8f0;border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin-top:8px}

.join-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}
.join-card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:28px;text-align:center}
.join-icon{width:56px;height:56px;border-radius:14px;background:var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.join-icon svg{width:28px;height:28px;fill:white}
.join-card h2{font-size:18px;font-weight:800;letter-spacing:-.3px}
.join-card p{font-size:13px;color:var(--muted);margin:8px 0 18px;line-height:1.5}
.btn-primary{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--accent);background:var(--accent);color:white;font-size:14px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:white;font-weight:700;font-size:13px;cursor:pointer}
.btn-ghost{padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:white;font-weight:700;font-size:12px;cursor:pointer}

.top-bar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:var(--card);border-bottom:1px solid var(--border);flex-shrink:0}
.user-info{display:flex;align-items:center;gap:10px;min-width:0}
.avatar{width:36px;height:36px;border-radius:10px;background:var(--accent);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;color:white;font-weight:800;font-size:12px}
.avatar img{width:100%;height:100%;object-fit:cover}
.user-name{font-size:13px;font-weight:700;line-height:1}
.user-id{font-size:11px;color:var(--muted);font-weight:500}
.balance-pill{display:flex;align-items:center;gap:6px;background:var(--accent);color:white;padding:8px 12px;border-radius:999px;font-weight:800;font-size:13px;flex-shrink:0}
.balance-pill svg{width:14px;height:14px;fill:white}
.pages{flex:1;overflow-y:auto;overflow-x:hidden;background:var(--bg)}
.pages::-webkit-scrollbar{display:none}
.page{display:none;padding:14px}
.page.active{display:block;animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.page-head{margin-bottom:14px}
.page-head h2{font-size:20px;font-weight:800;letter-spacing:-.5px}
.page-head p{font-size:12px;color:var(--muted);font-weight:500;margin-top:2px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px;margin-bottom:12px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.card-head h3{font-size:13px;font-weight:800;display:flex;align-items:center;gap:6px}
.badge{font-size:11px;font-weight:700;padding:4px 8px;border-radius:999px;background:var(--accent-light);border:1px solid var(--border)}
.badge-green{background:#dcfce7;border-color:#bbf7d0;color:#166534}
.badge-amber{background:#fef9c3;border-color:#fde68a;color:#854d0e}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px}
.stat-icon{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.stat-icon svg{width:16px;height:16px}
.stat-val{font-size:20px;font-weight:800;letter-spacing:-.5px}
.stat-lbl{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.checkin-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:12px}
.day{aspect-ratio:1;border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;background:var(--card);font-weight:700}
.day.claimed{background:var(--accent);color:white;border-color:var(--accent)}
.day.today{border-color:var(--accent);box-shadow:0 0 0 2px #e2e8f0}
.day-n{font-size:12px;font-weight:800}
.day-l{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.2px}
.day.claimed .day-l{color:rgba(255,255,255,.7)}
.btn-claim{width:100%;padding:12px;border-radius:12px;border:1px solid var(--accent);background:var(--accent);color:white;font-weight:800;font-size:13px;cursor:pointer}
.btn-claim:disabled{opacity:.45;cursor:not-allowed}
.filters{display:flex;gap:6px;margin-bottom:12px;overflow:auto}
.filters::-webkit-scrollbar{display:none}
.filter-pill{padding:7px 12px;border-radius:999px;border:1px solid var(--border);background:white;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.filter-pill.active{background:var(--accent);color:white;border-color:var(--accent)}
.task{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;margin-bottom:8px}
.task-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--accent-light);border:1px solid var(--border)}
.task-icon svg{width:18px;height:18px;fill:var(--text)}
.task-icon.social{background:#fef2f2;border-color:#fecaca}
.task-icon.visit{background:#f0fdf4;border-color:#bbf7d0}
.task-icon.special{background:#fffbeb;border-color:#fde68a}
.task-info{flex:1;min-width:0}
.task-name{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-desc{font-size:11px;color:var(--muted);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-reward{font-size:12px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:4px;white-space:nowrap}
.btn-go{padding:8px 14px;border-radius:999px;border:1px solid var(--accent);background:var(--accent);color:white;font-size:11px;font-weight:800;cursor:pointer;white-space:nowrap}
.btn-go:disabled{background:var(--accent-light);color:var(--muted);border-color:var(--border)}
.ad-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:12px}
.ad-stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;text-align:center}
.ad-val{font-size:18px;font-weight:800}
.ad-lbl{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.ref-hero{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;margin-bottom:12px}
.ref-hero h3{font-size:16px;font-weight:800}
.ref-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.ref-stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;text-align:center}
.ref-val{font-size:22px;font-weight:800}
.link-box{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;margin-bottom:12px}
.link-row{display:flex;gap:8px;margin-top:8px}
.link-input{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:12px;font-weight:600;background:var(--bg);min-width:0}
.lb-hero{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:12px}
.lb-list{list-style:none}
.lb-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.lb-item:last-child{border-bottom:none}
.lb-rank{width:28px;font-weight:800;text-align:center;font-size:13px;color:var(--muted)}
.lb-ava{width:32px;height:32px;border-radius:10px;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;flex-shrink:0;overflow:hidden}
.lb-name{flex:1;font-size:13px;font-weight:700}
.lb-score{font-weight:800;font-size:13px}
.profile-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center;margin-bottom:12px}
.profile-ava{width:64px;height:64px;border-radius:16px;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;overflow:hidden;font-weight:800}
.profile-ava img{width:100%;height:100%;object-fit:cover}
.menu{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:12px}
.menu-item{display:flex;align-items:center;gap:10px;padding:14px;border-bottom:1px solid var(--border);cursor:pointer}
.menu-item:last-child{border-bottom:none}
.menu-item:active{background:var(--bg)}
.menu-icon{width:32px;height:32px;border-radius:10px;background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}
.menu-icon svg{width:16px;height:16px;fill:var(--text)}
.bottom-nav{height:64px;display:flex;background:var(--card);border-top:1px solid var(--border);flex-shrink:0}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:none;background:transparent;color:var(--muted);font-size:10px;font-weight:700;cursor:pointer}
.nav-item.active{color:var(--text)}
.nav-item svg{width:22px;height:22px;fill:currentColor}
.announcement{background:#fef9c3;border-bottom:1px solid #fde68a;padding:8px 12px;font-size:12px;font-weight:600;text-align:center;color:#854d0e}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal-bg.on{display:flex}
.modal{width:100%;max-width:420px;background:white;border-radius:16px;border:1px solid var(--border);overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}
.modal-body{padding:16px;max-height:70vh;overflow:auto}
.input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font-size:13px;font-weight:600;outline:none;background:white}
.input:focus{border-color:var(--accent)}
.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:var(--accent);color:white;padding:10px 14px;border-radius:999px;font-size:13px;font-weight:600;display:none;z-index:60;white-space:nowrap}
.toast.on{display:block}
.ad-overlay{position:fixed;inset:0;background:rgba(15,23,42,.92);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:70}
.ad-timer{font-size:48px;font-weight:800;color:white}
.ad-bar{width:180px;height:6px;background:rgba(255,255,255,.15);border-radius:999px;overflow:hidden}
.ad-fill{height:100%;background:white;transition:width 1s linear}
.landing{overflow:auto}
.lp-nav{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:white;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.lp-logo{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:-.3px}
.lp-logo-mark{width:30px;height:30px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:white;font-weight:900;font-size:12px}
.lp-hero{padding:28px 18px;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;max-width:1000px;margin:0 auto}
.lp-hero h1{font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1}
.lp-hero p{font-size:13px;color:var(--muted);margin:10px 0 16px;line-height:1.5}
.lp-phone{width:220px;margin:0 auto}
.lp-phone-frame{background:var(--accent);border-radius:28px;padding:10px}
.lp-phone-screen{background:white;border-radius:20px;padding:14px;min-height:260px}
.lp-section{max-width:1000px;margin:0 auto;padding:24px 18px}
.lp-features{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lp-feat{background:white;border:1px solid var(--border);border-radius:16px;padding:16px}
.lp-how{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:white}
.lp-steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;max-width:720px;margin:0 auto;padding:24px 18px;text-align:center}
.lp-step-num{width:32px;height:32px;border-radius:999px;background:var(--accent);color:white;display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 8px}
.level-bar{height:8px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:8px}
.level-fill{height:100%;background:var(--accent);transition:width .3s}
.shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.shortcut{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;display:flex;align-items:center;gap:10px;cursor:pointer}
.shortcut:active{transform:scale(.98)}
.shortcut-icon{width:36px;height:36px;border-radius:10px;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;font-size:16px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.badge-item{width:40px;height:40px;border-radius:10px;background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:18px}
.spin-wheel{width:180px;height:180px;border-radius:50%;border:4px solid var(--accent);margin:0 auto;position:relative;background:conic-gradient(#fef3c7 0 60deg, #dcfce7 60deg 120deg, #dbeafe 120deg 180deg, #fce7f3 180deg 240deg, #e0e7ff 240deg 300deg, #ffedd5 300deg 360deg);display:flex;align-items:center;justify-content:center}
.spin-center{width:48px;height:48px;border-radius:50%;background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;font-weight:800;cursor:pointer;z-index:2}
.lp-cta{text-align:center;padding:32px 18px;background:var(--accent);color:white}
.lp-footer{padding:16px;display:flex;justify-content:space-between;align-items:center;background:white;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}
@media(max-width:700px){.lp-hero{grid-template-columns:1fr}.lp-hero-visual{order:-1}.lp-features{grid-template-columns:1fr}.lp-steps{grid-template-columns:1fr}}