.icon{width:1.25em;height:1.25em;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--sp-4);
  position:sticky;top:0;z-index:5;background:rgba(250,250,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;border:0;background:none;padding:0;min-height:var(--tap);text-align:left}
.brand-icon{width:40px;height:40px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#6a5cf0,#17a893)}
.brand-icon svg{width:30px;height:30px}
.brand-word{font-size:1.25rem;font-weight:900;letter-spacing:-.04em;line-height:1}
.brand-word span{color:var(--purple)}
.top-actions{display:flex;align-items:center;gap:10px}
.streak-pill{display:flex;align-items:center;gap:6px;min-height:var(--tap);padding:0 12px;border-radius:30px;
  background:var(--gold-soft);color:var(--gold);border:1px solid #f1d58b;font-weight:800;font-size:var(--fs-s)}
.streak-pill .icon{color:#c27a00}
.avatar-btn{border:0;background:none;padding:2px;min-width:var(--tap);min-height:var(--tap);border-radius:50%;display:grid;place-items:center}
.avatar-btn svg{width:42px;height:42px;border-radius:50%}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(100%,720px);z-index:6;
  display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
.tab{border:0;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:56px;border-radius:14px;font-size:.75rem;font-weight:700;color:var(--muted);text-decoration:none}
.tab .icon{width:24px;height:24px}
.tab[aria-current="page"]{color:var(--purple);background:var(--purple-soft)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--shadow);padding:var(--sp-4)}
.tag{display:inline-flex;align-items:center;gap:4px;border-radius:20px;padding:3px 10px;font-size:var(--fs-xs);font-weight:800;
  background:var(--purple-soft);color:var(--purple-dark)}
.tag.mint{background:var(--mint-soft);color:var(--mint)}
.tag.gold{background:var(--gold-soft);color:var(--gold)}
.tag.rose{background:var(--rose-soft);color:var(--rose)}
.tag.gray{background:#eef0f8;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap);padding:0 20px;border-radius:16px;
  border:0;font-weight:800;text-decoration:none}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 8px 18px rgba(90,73,224,.28)}
.btn-primary:hover{background:var(--purple-dark)}
.btn-soft{background:var(--purple-soft);color:var(--purple-dark)}
.btn-danger{background:var(--rose-soft);color:var(--rose)}
.btn-full{width:100%}
.btn:disabled{opacity:.5;box-shadow:none}
.link-btn{border:0;background:none;color:var(--purple-dark);font-weight:800;min-height:var(--tap);padding:0 4px;text-decoration:underline}
.progress{height:10px;border-radius:10px;background:#e9ebf8;overflow:hidden}
.progress>i{display:block;height:100%;width:var(--p);border-radius:10px;background:linear-gradient(90deg,var(--purple),#17a893);transition:width .5s}
.toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom));transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:var(--ink);color:#fff;padding:12px 18px;border-radius:16px;max-width:calc(100% - 32px);font-weight:700;font-size:var(--fs-s);z-index:30;transition:.25s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal-backdrop{position:fixed;inset:0;background:rgba(29,35,71,.5);display:grid;place-items:center;padding:16px;z-index:40}
.modal-backdrop[hidden]{display:none}
.modal-card{position:relative;background:#fff;border-radius:var(--r-l);padding:28px 20px 20px;width:min(100%,460px);max-height:90vh;overflow:auto;display:grid;gap:12px}
.modal-close{position:absolute;right:8px;top:8px;width:var(--tap);height:var(--tap);border:0;border-radius:50%;background:#f0f1fa;display:grid;place-items:center}
.field{display:grid;gap:6px}
.field label{font-weight:800;font-size:var(--fs-s)}
.input{min-height:var(--tap);border:2px solid var(--line);border-radius:14px;padding:0 14px;background:#fff;width:100%}
.input:focus{border-color:var(--purple);outline:none;box-shadow:0 0 0 3px rgba(90,73,224,.25)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:var(--tap);padding:6px 0}
.switch-row input{width:24px;height:24px;accent-color:var(--purple)}
.brand{text-decoration:none;color:var(--ink)}
.link-btn{white-space:nowrap;display:inline-flex;align-items:center}