:root{--purple:#5B2BF5;--purple-2:#4A1FE0;--purple-deep:#1B0B4F;--purple-soft:#8F6EF9;--purple-tint:#EFEAFE;--amber:#E8A33A;--amber-bright:#F4B84A;--amber-soft:#FBE5B8;--mist:#F5F3FA;--ivory:#FAFAFC;--cream:#FFF8ED;--white:#FFFFFF;--ink:#0A0A14;--ink-2:#2A2A38;--ink-3:#5C5C6E;--ink-4:#8A8A98;--green:#0A5C3E;--green-bright:#10B981;--red:#E03A2E;--red-soft:#FEE7E5;--line:rgba(10,10,20,.08);}
  *,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
  body{font-family:'Instrument Sans',sans-serif;background:var(--mist);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}

  .app-header{background:var(--white);border-bottom:1px solid var(--line);padding:14px 28px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:50;}
  .app-header .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px;color:var(--ink);}
  .app-header .brand-mark{width:32px;height:32px;border-radius:9px;background:var(--purple);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;letter-spacing:-.05em;}
  .app-header .user-pill{display:flex;align-items:center;gap:14px;}
  .app-header .user-pill .greeting{font-size:14px;color:var(--ink-3);}
  .app-header .user-pill .greeting strong{color:var(--ink);}
  .app-header .user-pill button{font-size:13px;color:var(--purple);font-weight:600;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--white);}
  .app-header .user-pill button:hover{background:var(--mist);}

  .app-layout{display:grid;grid-template-columns:240px 1fr;flex:1;max-width:1280px;width:100%;margin:0 auto;padding:24px 28px 100px;gap:28px;}
  @media(max-width:900px){.app-layout{grid-template-columns:1fr;padding:16px 16px 90px;gap:16px;}}

  .side-nav{display:flex;flex-direction:column;gap:4px;position:sticky;top:80px;align-self:start;}
  .side-nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2);}
  .side-nav a:hover{background:var(--white);}
  .side-nav a.active{background:var(--white);color:var(--purple);font-weight:700;box-shadow:0 1px 2px rgba(10,10,20,.04);}
  .side-nav .nav-icon{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;}
  @media(max-width:900px){.side-nav{display:none;}}

  .bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--white);border-top:1px solid var(--line);padding:8px 0 calc(8px + env(safe-area-inset-bottom));z-index:50;}
  .bottom-nav .app-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;font-size:11px;font-weight:600;color:var(--ink-3);}
  .bottom-nav .app-tab.active{color:var(--purple);}
  .bottom-nav .app-tab .ti{font-size:18px;}
  @media(max-width:900px){.bottom-nav{display:flex;}.app-header .user-pill .greeting{display:none;}}

  .app-main{min-width:0;}
  .page-header{margin-bottom:22px;}
  .page-header .pre{font-size:12px;font-weight:700;color:var(--purple);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;}
  .page-header h1{font-size:32px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px;}
  .page-header p{color:var(--ink-3);font-size:16px;}

  .card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:18px;}
  .card.purple{background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;border:none;}
  .card.dark{background:var(--purple-deep);color:#fff;border:none;}
  .card .tag{display:inline-block;padding:4px 12px;background:var(--purple-tint);color:var(--purple);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;margin-bottom:12px;}
  .card.purple .tag,.card.dark .tag{background:rgba(255,255,255,.18);color:#fff;}
  .card h2,.card h3{font-weight:600;letter-spacing:-.01em;}
  .card h2{font-size:22px;margin-bottom:8px;}
  .card h3{font-size:18px;margin-bottom:6px;}
  .card p{color:var(--ink-2);font-size:15px;margin-bottom:10px;}
  .card.purple p,.card.dark p{color:rgba(255,255,255,.85);}

  .row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .row:last-child{border-bottom:none;}
  .row .v{font-weight:600;color:var(--ink);}
  .row .v.win{color:var(--green);}
  .row .v.alert{color:var(--red);}
  .row .v.strike{text-decoration:line-through;color:var(--ink-3);font-weight:500;}

  .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font-size:14px;font-weight:700;transition:all .15s;cursor:pointer;}
  .btn-primary{background:var(--purple);color:#fff;}
  .btn-primary:hover{background:var(--purple-2);}
  .btn-amber{background:var(--amber);color:var(--purple-deep);}
  .btn-ghost{background:var(--white);color:var(--purple);border:1px solid var(--line);}
  .btn.full{width:100%;justify-content:center;}

  .stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px;}
  .stat{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px;}
  .stat .lbl{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px;}
  .stat .num{font-size:24px;font-weight:600;letter-spacing:-.01em;}
  .stat .num.win{color:var(--green);}
  .stat .num.purple{color:var(--purple);}
  .stat .delta{font-size:12px;color:var(--ink-3);margin-top:4px;}

  .alert{padding:14px 18px;border-radius:12px;margin-bottom:14px;display:flex;gap:12px;align-items:flex-start;font-size:14px;}
  .alert .ic{flex-shrink:0;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;}
  .alert.warn{background:#FFF4E5;color:#7C4A00;}
  .alert.warn .ic{background:var(--amber);color:#fff;}
  .alert.success{background:#E6F7EF;color:#054C32;}
  .alert.success .ic{background:var(--green-bright);color:#fff;}
  .alert.danger{background:var(--red-soft);color:#7A1B14;}
  .alert.danger .ic{background:var(--red);color:#fff;}