:root{--gold: #f0a500;--gold-dk: #c98a00;--purple: #6c3fd6;--purple-lt: #ede9fe;--green: #16a34a;--red: #dc2626;--red-lt: #fee2e2;--bg: #faf8ff;--card: #ffffff;--border: #e4e0f0;--text: #1a1630;--muted: #6b7280;--header-h: 60px;--nav-h: 68px}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:Nunito,Segoe UI,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior-y:contain}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:16px}.shell{display:flex;flex-direction:column;height:100dvh;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:var(--header-h);background:#1a1630;flex-shrink:0;z-index:10}.app-header-name{font-weight:800;font-size:20px;color:#fff;display:flex;align-items:center;gap:8px}.app-header-coin{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--gold);color:#fff;font-size:12px;font-weight:900}.app-header-user{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--purple);color:#fff;font-weight:800;font-size:16px;flex-shrink:0}.app-main{flex:1;overflow-y:auto;overflow-x:hidden;padding:20px 16px 24px;background:var(--bg);-webkit-overflow-scrolling:touch}.bottom-nav{display:flex;background:#1a1630;height:var(--nav-h);flex-shrink:0;border-top:1px solid rgba(255,255,255,.08);z-index:10}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:none;border:none;color:#6b7a99;font-size:10px;font-weight:700;letter-spacing:.01em;padding:6px 2px;cursor:pointer;transition:color .15s;min-width:0;-webkit-tap-highlight-color:transparent}.nav-tab.active{color:var(--gold)}.nav-tab-icon{font-size:22px;line-height:1}.nav-tab-label{font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;padding:0 2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:opacity .15s,transform .1s;min-height:48px;white-space:nowrap;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--gold);color:#fff}.btn-secondary{background:var(--purple-lt);color:var(--purple);border:2px solid #c4b5fd}.btn-success{background:var(--green);color:#fff}.btn-danger{background:var(--red-lt);color:var(--red);border:2px solid #fca5a5}.btn-dark{background:#1a1630;color:#fff}.btn-sm{padding:8px 14px;font-size:13px;border-radius:9px;min-height:38px}.card{background:var(--card);border:1.5px solid var(--border);border-radius:16px;overflow:hidden}.field-label{display:block;font-size:12px;font-weight:800;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em}.field-input{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:10px;font-size:16px;outline:none;background:#fff;color:var(--text);margin-bottom:16px;transition:border-color .15s}.field-input:focus{border-color:var(--purple)}.earned-banner{background:#dcfce7;border:2px solid #86efac;border-radius:12px;padding:12px 16px;margin-bottom:16px;color:#15803d;font-weight:800;font-size:18px;text-align:center;animation:popIn .2s ease-out}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.coin-badge{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--gold);color:#fff;font-weight:900;flex-shrink:0}.coin-badge-lg{width:28px;height:28px;font-size:11px}.coin-badge-sm{width:18px;height:18px;font-size:8px}.section-title{font-size:20px;font-weight:800;color:var(--text);margin:0 0 14px;display:flex;align-items:center;gap:8px}.page-title{font-size:24px;font-weight:800;color:var(--text);margin:0 0 20px}.grid-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media(min-width:480px){.grid-cards{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}@media(min-width:768px){.app-main{padding:28px 32px 32px}.grid-cards{gap:16px}.nav-tab-label{font-size:10px}}.muted{color:var(--muted);font-size:15px}.error-msg{color:var(--red);font-size:14px;font-weight:600;margin-bottom:12px}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-gap{display:flex;align-items:center;gap:10px}.center-screen{display:flex;align-items:center;justify-content:center;height:100dvh;background:var(--bg);padding:24px}