:root{--bg:#f6f8fc;--card:#fff;--text:#10203c;--muted:#78839a;--line:#e4e9f2;--blue:#4167f2;--soft:#edf2ff;--shadow:0 12px 30px #1d2f5914}
:root.dark{--bg:#0e131b;--card:#171e29;--text:#f4f7fb;--muted:#9ba8bc;--line:#2b3545;--soft:#202a48;--shadow:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app{max-width:520px;min-height:100vh;margin:auto}.hidden{display:none!important}
.welcome{min-height:100vh;display:flex;flex-direction:column;padding:28px 20px}.logo{display:grid;place-items:center;width:64px;height:64px;border-radius:20px;background:linear-gradient(145deg,#4167f2,#704ef4);color:#fff;font-size:32px;font-weight:800;font-style:italic}.logo.small{width:46px;height:46px;border-radius:14px;font-size:23px}.welcome-copy{margin:auto 0 30px}.welcome h1{font-size:32px;margin:0 0 18px}.welcome p,.lead{color:var(--muted);line-height:1.5}.welcome a{display:flex;justify-content:space-between;gap:12px;margin:12px 0;padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--card);color:var(--text);text-decoration:none;box-shadow:var(--shadow)}
header{display:flex;align-items:center;gap:12px;padding:22px 20px 8px;font-size:24px}main{padding:10px 20px 112px}.page{display:none}.page.active{display:block}.page>h1{font-size:36px;margin:18px 0 0}.lead{margin:8px 0 26px}
.hero,.balance,.protocol,.hint,.list,.plan{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}.hero{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:26px;border-radius:28px}.hero span,.balance span{color:var(--muted);font-size:13px;font-weight:700}.hero h2{font-size:34px;margin:10px 0}.hero h2 em{font-size:13px;background:#e9f8ef;color:#25a764;padding:6px 10px;border-radius:999px;font-style:normal}.hero p{color:var(--muted);margin:14px 0 4px}.hero h3{font-size:24px;margin:0 0 6px}.hero small{color:var(--muted)}.hero.compact{margin-bottom:16px}.big-icon{display:grid;place-items:center;width:72px;height:72px;border-radius:20px;background:var(--soft);color:var(--blue);font-size:34px}
.balance{display:flex;align-items:center;gap:15px;margin:16px 0;padding:18px;border-radius:24px}.balance h2{font-size:32px;margin:4px 0 0}.balance button{margin-left:auto;width:48px;height:48px;border:1px solid var(--blue);border-radius:16px;background:transparent;color:var(--blue);font-size:28px}.balance .mini{width:auto;padding:0 14px;background:var(--blue);color:#fff;font-size:14px}
button{font:inherit;color:inherit}.primary,.secondary{width:100%;min-height:58px;border-radius:18px;font-weight:700}.primary{border:0;background:linear-gradient(135deg,#4167f2,#6b78ff);color:#fff}.secondary{margin-top:12px;border:1.5px solid var(--blue);background:var(--card);color:var(--blue)}.jump{display:flex;justify-content:space-between;align-items:center;padding:0 20px}.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.tiles button{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;text-align:left;padding:15px;border:1px solid var(--line);border-radius:22px;background:var(--card);box-shadow:var(--shadow)}.tiles i{font-style:normal;font-size:24px}.tiles small{display:block;color:var(--muted);margin-top:4px;font-size:12px}
.protocol{width:100%;display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;text-align:left;margin-bottom:18px;padding:22px;border-radius:28px}.protocol i{display:grid;place-items:center;width:64px;height:64px;border-radius:20px;background:var(--soft);font-size:30px;font-style:normal}.protocol span{display:flex;flex-direction:column;align-items:flex-start}.protocol strong{font-size:20px}.protocol em{margin:8px 0;padding:4px 8px;border-radius:8px;background:var(--soft);color:var(--blue);font-style:normal;font-weight:700}.protocol small{color:var(--muted);line-height:1.45}.protocol.purple{border-color:#e0d5ff}.protocol.orange{border-color:#ffd9bd}.hint{display:flex;gap:14px;padding:18px;border-radius:22px}.hint i{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--soft);color:var(--blue);font-style:normal}.hint small{display:block;color:var(--muted);margin-top:5px}
.active-pill{display:inline-block;padding:5px 9px;border-radius:999px;background:#e9f8ef;color:#25a764;font-style:normal}.section-title{margin:26px 0 12px}.plans{display:grid;gap:10px}.plan{display:grid;grid-template-columns:54px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:20px;text-align:left}.plan.selected{border-color:var(--blue)}.plan>b{display:grid;place-items:center;width:50px;height:60px;border-radius:16px;background:var(--soft);color:var(--blue);font-size:24px}.plan small{display:block;color:var(--muted);margin-top:3px}.plan em{font-style:normal;font-weight:800}.plans+.primary{margin-top:16px}
h4{margin:28px 0 10px 8px;color:var(--muted)}.list{overflow:hidden;border-radius:24px}.list button,.list a{width:100%;display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;min-height:70px;padding:14px 16px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--text);text-align:left;text-decoration:none}.list>*:last-child{border-bottom:0}.list small{display:block;color:var(--muted);margin-top:4px}.list em{font-style:normal;color:var(--blue)}
nav{position:fixed;left:50%;bottom:10px;transform:translateX(-50%);width:min(calc(100% - 32px),488px);display:grid;grid-template-columns:repeat(4,1fr);padding:9px 6px;border:1px solid var(--line);border-radius:24px;background:var(--card);box-shadow:var(--shadow)}nav button{display:grid;justify-items:center;gap:5px;border:0;background:transparent;color:var(--muted);font-size:23px}nav button span{font-size:11px}nav button.active{color:var(--blue);font-weight:700}#toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);opacity:0;padding:10px 15px;border-radius:13px;background:var(--text);color:var(--card);transition:.2s}#toast.show{opacity:1}
@media(max-width:390px){main{padding-left:14px;padding-right:14px}.tiles{grid-template-columns:1fr}.protocol{grid-template-columns:60px 1fr}.protocol>b{display:none}}