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18px;border-radius:var(--radius-sm);border:none;font-size:14px;font-weight:500;cursor:pointer;transition:opacity .15s,transform .1s;white-space:nowrap}.btn:active{opacity:.75;transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-full{width:100%}.btn-sm{padding:6px 12px;font-size:13px}.fab{position:fixed;bottom:calc(var(--nav-h) + 16px);right:16px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:28px;cursor:pointer;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;z-index:100;transition:transform 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button.active.income{color:var(--success)}.seg-control button.active.expense{color:var(--danger)}.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:8px 0}.cat-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border-radius:10px;cursor:pointer;border:1.5px solid transparent;transition:all .15s;font-size:12px;color:var(--text-muted)}.cat-item .cat-icon{font-size:22px}.cat-item:hover{background:var(--primary-light)}.cat-item.selected{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:500}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:500}.tag-income{background:#d1fae5;color:#065f46}.tag-expense{background:#fee2e2;color:#991b1b}.income{color:var(--success)}.expense{color:var(--danger)}.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .4s 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